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Fourth & Blanchard 2101-2121 4th Ave 100 - 285,002 SF of 4-Star Office Space Available in Seattle, WA 98121

Office Spaces Washington Seattle 2101-2121 4th Ave, Seattle, WA 98121

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Highlights

  • Ground level retail tenants including Herkimer Coffee and FOB Poke
  • Easy access to Pike Place Market and the retail core
  • Enjoy amazing city and sound views

All Available Spaces(36)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 1st Floor
  • 100 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 1st Floor, Ste 100
  • 7,516 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 7,516 - Retail/Flex Space Term is negotiable!

  • Partially Built-Out as Standard Office
  • Space is in Excellent Condition
  • Mostly Open Floor Plan Layout
  • 2nd Floor, Ste 200
  • 21,037 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 21,037.

  • Partially Built-Out as Standard Office
  • 18 Private Offices
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 3rd Floor, Ste 300
  • 8,483 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 8,483.

  • Partially Built-Out as Standard Office
  • 9 Private Offices
  • Central Air and Heating
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Private Restrooms
  • 3rd Floor, Ste 320
  • 3,315-4,822 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 3,315.

  • Partially Built-Out as Standard Office
  • 4 Private Offices
  • 1 Workstation
  • Central Air and Heating
  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Space is in Excellent Condition
  • Private Restrooms
  • 3rd Floor, Ste 330
  • 1,507-4,822 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 1,507.

  • Partially Built-Out as Standard Office
  • 1 Conference Room
  • Central Air and Heating
  • 3 Private Offices
  • Space is in Excellent Condition
  • Private Restrooms
  • 4th Floor, Ste 400
  • 21,026 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 21,026. Matterport Link: https://my.matterport.com/show/?m=mYWvsiTnJLq

  • Partially Built-Out as Standard Office
  • 16 Private Offices
  • Central Air and Heating
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Private Restrooms
  • 5th Floor, Ste 520
  • 7,976 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 8,945.

  • Partially Built-Out as Standard Office
  • 12 Private Offices
  • Central Air and Heating
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Private Restrooms
  • 6th Floor, Ste 610
  • 11,588-17,576 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 11,588.

  • Partially Built-Out as Standard Office
  • 10 Private Offices
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 6th Floor, Ste 620
  • 1,558-17,576 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 1,558.

  • Partially Built-Out as Standard Office
  • 2 Private Offices
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 6th Floor, Ste 630
  • 4,430-17,576 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 4,430.

  • Partially Built-Out as Standard Office
  • Space is in Excellent Condition
  • 11 Private Offices
  • 7th Floor, Ste 700
  • 3,046-18,553 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 7th Floor, Ste 720
  • 2,081-18,553 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 2,081.

  • Partially Built-Out as Standard Office
  • 5 Private Offices
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 7th Floor, Ste 730
  • 7,147-18,553 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 7,147

  • Partially Built-Out as Standard Office
  • 2 Private Offices
  • Space is in Excellent Condition
  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • 7th Floor, Ste 750
  • 6,279-18,553 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 8th Floor, Ste 800
  • 2,796 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • 2026-08-15
  • 8th Floor, Ste 810
  • 1,699 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 8th Floor, Ste 830
  • 5,040 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 8th Floor, Ste 840
  • 1,588 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 1,588.

  • Partially Built-Out as Standard Office
  • 1 Private Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 8th Floor, Ste 850
  • 5,499 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 5,499.

  • Partially Built-Out as Standard Office
  • 5 Private Offices
  • Space is in Excellent Condition
  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • 9th Floor, Ste 900
  • 5,204 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 5,204.

  • Partially Built-Out as Standard Office
  • 2 Private Offices
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 9th Floor, Ste 940
  • 2,599 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 10th Floor, Ste 1010
  • 2,567 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 2,567. Matterport Link: https://my.matterport.com/show/?m=fXYJaLajCpU

  • Partially Built-Out as Standard Office
  • Space is in Excellent Condition
  • Open Floor Plan Layout
  • 11th Floor, Ste 1110
  • 16,929 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 16,929.

  • Partially Built-Out as Standard Office
  • Space is in Excellent Condition
  • Mostly Open Floor Plan Layout
  • 12th Floor, Ste 1210
  • 2,658 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 12th Floor, Ste 1220
  • 1,385 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 1,385.

  • Partially Built-Out as Standard Office
  • Space is in Excellent Condition
  • Open Floor Plan Layout
  • 12th Floor, Ste 1240
  • 3,262 SF
  • 1-3 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 3,262. Term is negotiable!

  • Partially Built-Out as Standard Office
  • 6 Private Offices
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 13th Floor, Ste 1340
  • 1,439 SF
  • 1-3 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 1,439

  • Partially Built-Out as Standard Office
  • 2 Private Offices
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 13th Floor, Ste 1350
  • 2,340 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 2,340. Matterport Link: https://my.matterport.com/show/?m=Wv74hUpu1p2

  • Partially Built-Out as Standard Office
  • 4 Private Offices
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 13th Floor, Ste 1355
  • 4,298 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 4,298.

  • Partially Built-Out as Standard Office
  • 9 Private Offices
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 15th Floor, Ste 1550
  • 6,931 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 6,931.

  • Partially Built-Out as Standard Office
  • Space is in Excellent Condition
  • Mostly Open Floor Plan Layout
  • 18th Floor, Ste 1860
  • 2,610 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 2,610.

  • Partially Built-Out as Standard Office
  • 4 Private Offices
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 19th Floor, Ste 1970
  • 4,081 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • 19th Floor, Ste 1980
  • 3,620 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Rentable square feet: 3,620.

  • Partially Built-Out as Standard Office
  • 1 Private Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • 20th Floor, Ste 2050
  • 2,965 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
  • Rate includes utilities, building services and property expenses
  • 21st Floor, Ste 2100
  • 2,770 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • -
  • Now
Space Size Term Rental Rate Space Use Build-Out Available
1st Floor 100 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
1st Floor, Ste 100 7,516 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
2nd Floor, Ste 200 21,037 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
3rd Floor, Ste 300 8,483 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
3rd Floor, Ste 320 3,315-4,822 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
3rd Floor, Ste 330 1,507-4,822 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
4th Floor, Ste 400 21,026 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
5th Floor, Ste 520 7,976 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
6th Floor, Ste 610 11,588-17,576 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
6th Floor, Ste 620 1,558-17,576 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
6th Floor, Ste 630 4,430-17,576 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
7th Floor, Ste 700 3,046-18,553 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
7th Floor, Ste 720 2,081-18,553 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
7th Floor, Ste 730 7,147-18,553 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
7th Floor, Ste 750 6,279-18,553 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
8th Floor, Ste 800 2,796 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - 2026-08-15
8th Floor, Ste 810 1,699 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
8th Floor, Ste 830 5,040 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
8th Floor, Ste 840 1,588 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
8th Floor, Ste 850 5,499 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
9th Floor, Ste 900 5,204 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
9th Floor, Ste 940 2,599 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
10th Floor, Ste 1010 2,567 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
11th Floor, Ste 1110 16,929 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
12th Floor, Ste 1210 2,658 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
12th Floor, Ste 1220 1,385 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
12th Floor, Ste 1240 3,262 SF 1-3 Years Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
13th Floor, Ste 1340 1,439 SF 1-3 Years Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
13th Floor, Ste 1350 2,340 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
13th Floor, Ste 1355 4,298 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
15th Floor, Ste 1550 6,931 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
18th Floor, Ste 1860 2,610 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
19th Floor, Ste 1970 4,081 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
19th Floor, Ste 1980 3,620 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now
20th Floor, Ste 2050 2,965 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now
21st Floor, Ste 2100 2,770 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office - Now

1st Floor

Size
100 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

1st Floor, Ste 100

Size
7,516 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

2nd Floor, Ste 200

Size
21,037 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

3rd Floor, Ste 300

Size
8,483 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

3rd Floor, Ste 320

Size
3,315-4,822 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

3rd Floor, Ste 330

Size
1,507-4,822 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

4th Floor, Ste 400

Size
21,026 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

5th Floor, Ste 520

Size
7,976 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

6th Floor, Ste 610

Size
11,588-17,576 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

6th Floor, Ste 620

Size
1,558-17,576 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

6th Floor, Ste 630

Size
4,430-17,576 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

7th Floor, Ste 700

Size
3,046-18,553 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

7th Floor, Ste 720

Size
2,081-18,553 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

7th Floor, Ste 730

Size
7,147-18,553 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

7th Floor, Ste 750

Size
6,279-18,553 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

8th Floor, Ste 800

Size
2,796 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
2026-08-15

8th Floor, Ste 810

Size
1,699 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

8th Floor, Ste 830

Size
5,040 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

8th Floor, Ste 840

Size
1,588 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

8th Floor, Ste 850

Size
5,499 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

9th Floor, Ste 900

Size
5,204 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

9th Floor, Ste 940

Size
2,599 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

10th Floor, Ste 1010

Size
2,567 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

11th Floor, Ste 1110

Size
16,929 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

12th Floor, Ste 1210

Size
2,658 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

12th Floor, Ste 1220

Size
1,385 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

12th Floor, Ste 1240

Size
3,262 SF
Term
1-3 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

13th Floor, Ste 1340

Size
1,439 SF
Term
1-3 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

13th Floor, Ste 1350

Size
2,340 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

13th Floor, Ste 1355

Size
4,298 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

15th Floor, Ste 1550

Size
6,931 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

18th Floor, Ste 1860

Size
2,610 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

19th Floor, Ste 1970

Size
4,081 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

19th Floor, Ste 1980

Size
3,620 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

20th Floor, Ste 2050

Size
2,965 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

21st Floor, Ste 2100

Size
2,770 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
-
Available
Now

1st Floor, Ste 100

Size 7,516 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 7,516 - Retail/Flex Space Term is negotiable!

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition

2nd Floor, Ste 200

Size 21,037 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 21,037.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 18 Private Offices
  • Space is in Excellent Condition

3rd Floor, Ste 300

Size 8,483 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 8,483.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 9 Private Offices
  • Space is in Excellent Condition
  • Central Air and Heating
  • Private Restrooms

3rd Floor, Ste 320

Size 3,315-4,822 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 3,315.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 4 Private Offices
  • 1 Conference Room
  • 1 Workstation
  • Space is in Excellent Condition
  • Central Air and Heating
  • Private Restrooms

3rd Floor, Ste 330

Size 1,507-4,822 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 1,507.

  • Partially Built-Out as Standard Office
  • 3 Private Offices
  • 1 Conference Room
  • Space is in Excellent Condition
  • Central Air and Heating
  • Private Restrooms

4th Floor, Ste 400

Size 21,026 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 21,026. Matterport Link: https://my.matterport.com/show/?m=mYWvsiTnJLq

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 16 Private Offices
  • Space is in Excellent Condition
  • Central Air and Heating
  • Private Restrooms

5th Floor, Ste 520

Size 7,976 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 8,945.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 12 Private Offices
  • Space is in Excellent Condition
  • Central Air and Heating
  • Private Restrooms

6th Floor, Ste 610

Size 11,588-17,576 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 11,588.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 10 Private Offices
  • Space is in Excellent Condition

6th Floor, Ste 620

Size 1,558-17,576 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 1,558.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 2 Private Offices
  • Space is in Excellent Condition

6th Floor, Ste 630

Size 4,430-17,576 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 4,430.

  • Partially Built-Out as Standard Office
  • 11 Private Offices
  • Space is in Excellent Condition

7th Floor, Ste 700

Size 3,046-18,553 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

7th Floor, Ste 720

Size 2,081-18,553 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 2,081.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 5 Private Offices
  • Space is in Excellent Condition

7th Floor, Ste 730

Size 7,147-18,553 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 7,147

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 2 Private Offices
  • 1 Conference Room
  • Space is in Excellent Condition

7th Floor, Ste 750

Size 6,279-18,553 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

8th Floor, Ste 800

Size 2,796 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available 2026-08-15

8th Floor, Ste 810

Size 1,699 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

8th Floor, Ste 830

Size 5,040 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

8th Floor, Ste 840

Size 1,588 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 1,588.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 1 Private Office
  • Space is in Excellent Condition

8th Floor, Ste 850

Size 5,499 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 5,499.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 5 Private Offices
  • 1 Conference Room
  • Space is in Excellent Condition

9th Floor, Ste 900

Size 5,204 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 5,204.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 2 Private Offices
  • Space is in Excellent Condition

9th Floor, Ste 940

Size 2,599 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

10th Floor, Ste 1010

Size 2,567 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 2,567. Matterport Link: https://my.matterport.com/show/?m=fXYJaLajCpU

  • Partially Built-Out as Standard Office
  • Open Floor Plan Layout
  • Space is in Excellent Condition

11th Floor, Ste 1110

Size 16,929 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 16,929.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition

12th Floor, Ste 1210

Size 2,658 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

12th Floor, Ste 1220

Size 1,385 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 1,385.

  • Partially Built-Out as Standard Office
  • Open Floor Plan Layout
  • Space is in Excellent Condition

12th Floor, Ste 1240

Size 3,262 SF
Term 1-3 Years
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 3,262. Term is negotiable!

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 6 Private Offices
  • Space is in Excellent Condition

13th Floor, Ste 1340

Size 1,439 SF
Term 1-3 Years
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 1,439

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 2 Private Offices
  • Space is in Excellent Condition

13th Floor, Ste 1350

Size 2,340 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 2,340. Matterport Link: https://my.matterport.com/show/?m=Wv74hUpu1p2

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 4 Private Offices
  • Space is in Excellent Condition

13th Floor, Ste 1355

Size 4,298 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 4,298.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 9 Private Offices
  • Space is in Excellent Condition

15th Floor, Ste 1550

Size 6,931 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 6,931.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition

18th Floor, Ste 1860

Size 2,610 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 2,610.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 4 Private Offices
  • Space is in Excellent Condition

19th Floor, Ste 1970

Size 4,081 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

19th Floor, Ste 1980

Size 3,620 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Rentable square feet: 3,620.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 1 Private Office
  • Space is in Excellent Condition

20th Floor, Ste 2050

Size 2,965 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

  • Rate includes utilities, building services and property expenses

21st Floor, Ste 2100

Size 2,770 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out -
Available Now

Property Overview

Located in one of Seattle’s fastest-growing neighborhoods, this 1979 landmark structure is Martin Selig’s personal favorite and stands out as one of the highest-security high-rises in the city. Enjoy tree-lined streets nestled between the retail core and pedestrian-friendly South Lake Union—all connected via the Seattle Streetcar line. In beautiful Belltown, you’re walking distance to Westlake shopping and waterfront attractions. Distinctive modern architecture Beautiful marble lobby and art Outdoor corner sculpture park Easy access to Pike Place Market Two blocks to retail core and bus tunnel Coffee shop lobby Pet-friendly offices Shower facilities “He” and “She” statues by Howard Garnitz onsite

  • Bus Line
  • Property Manager on Site
  • Shower Facilities
  • Air Conditioning
  • On-Site Security Staff

Property Facts

Building Type
Office
Year Built/Renovated
1980/1995
LoopNet Rating
4 Star
Building Height
25 Stories
Building Size
410,114 SF
Building Class
B
Typical Floor Size
16,405 SF
Unfinished Ceiling Height
12’
Parking
Surface Parking
221 Covered Parking Spaces

Attachments

4th Blanchard floorplan flyer 6-2026
1 1
Exceptionally walkable
100/100
Moderately drivable
60/100
Exceptional public transit
100/100
Moderately bikeable
70/100
Source: Local Logic®
(425) 453-4544

Still interested?

Contact the brokers for more information about this property

Contacts

  • Listing ID: 31195443

  • Date on Market: 2026-07-14

  • Last Updated:

  • Address: 2101-2121 4th Ave, Seattle, WA 98121

The Belltown Office Property at 2101-2121 4th Ave, Seattle, WA 98121 is currently available. Contact Colliers for more information.

OFFICE PROPERTIES IN NEARBY NEIGHBORHOODS

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Fourth & Blanchard | 2101-2121 4th Ave
(425) 453-4544 x

Fourth & Blanchard | 2101-2121 4th Ave

Geoff Pendergast
(425) 453-4544

Rick Hart
(425) 453-4543

Joe Conner
(425) 698-7142

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