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307 Westlake 307-319 Westlake Ave N 6,046 - 90,351 SF of 4-Star Office Space Available in Seattle, WA 98109

Office Spaces Washington Seattle 307-319 Westlake Ave N, Seattle, WA 98109

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HIGHLIGHTS

  • Exceptional building systems, inviting outdoor terraces
  • 5-story, Class A Lab building
  • Convenient public transit access, including a well-placed streetcar stop in front of the building
  • Spectacular views of Lake Union and Seattle

ALL AVAILABLE SPACES(4)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 1st Floor, Ste 100
  • 6,046 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Available | 6,046 SF

  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Central Air Conditioning
  • 1 Private Office
  • 1 Workstation
  • 5-story, Class A Lab building
  • 2nd Floor, Ste 200
  • 29,987 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Available | 29,987 SF

  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Central Air Conditioning
  • 1 Private Office
  • 1 Workstation
  • 5-story, Class A Lab building
  • 4th Floor, Ste 400
  • 26,637 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Available | 26,637 SF

  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Can be combined with additional space(s) for up to 54,318 SF of adjacent space
  • 5-story, Class A Lab building
  • 1 Private Office
  • 1 Workstation
  • Central Air Conditioning
  • 5th Floor, Ste 500
  • 27,681 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Available | 27,681 SF

  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Can be combined with additional space(s) for up to 54,318 SF of adjacent space
  • 5-story, Class A Lab building
  • 1 Private Office
  • 1 Workstation
  • Central Air Conditioning
Space Size Term Rental Rate Space Use Condition Available
1st Floor, Ste 100 6,046 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
2nd Floor, Ste 200 29,987 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
4th Floor, Ste 400 26,637 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now
5th Floor, Ste 500 27,681 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now

1st Floor, Ste 100

Size
6,046 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

2nd Floor, Ste 200

Size
29,987 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

4th Floor, Ste 400

Size
26,637 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

5th Floor, Ste 500

Size
27,681 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

1st Floor, Ste 100

Size 6,046 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Available | 6,046 SF

  • Mostly Open Floor Plan Layout
  • 1 Private Office
  • 1 Conference Room
  • 1 Workstation
  • Central Air Conditioning
  • 5-story, Class A Lab building

2nd Floor, Ste 200

Size 29,987 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Available | 29,987 SF

  • Mostly Open Floor Plan Layout
  • 1 Private Office
  • 1 Conference Room
  • 1 Workstation
  • Central Air Conditioning
  • 5-story, Class A Lab building

4th Floor, Ste 400

Size 26,637 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Available | 26,637 SF

  • Mostly Open Floor Plan Layout
  • 1 Private Office
  • 1 Conference Room
  • 1 Workstation
  • Can be combined with additional space(s) for up to 54,318 SF of adjacent space
  • Central Air Conditioning
  • 5-story, Class A Lab building

5th Floor, Ste 500

Size 27,681 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Available | 27,681 SF

  • Mostly Open Floor Plan Layout
  • 1 Private Office
  • 1 Conference Room
  • 1 Workstation
  • Can be combined with additional space(s) for up to 54,318 SF of adjacent space
  • Central Air Conditioning
  • 5-story, Class A Lab building

PROPERTY OVERVIEW

Discover 307 Westlake, an innovative, multi-tenant building crafted to empower life science companies with adaptable growth opportunities. A cutting-edge Class ‘A’ life science hub situated in the heart of South Lake Union’s vibrant marketplace.

PROPERTY FACTS

Building Type
Office
Year Built
2004
LoopNet Rating
4 Star
Building Height
5 Stories
Building Size
127,537 SF
Building Class
A
Typical Floor Size
25,507 SF
Unfinished Ceiling Height
10’
Parking
Surface Parking
116 Covered Parking Spaces

ATTACHMENTS

307Westlake_Brochure_2025

LINKS

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Walk Score®
Walker's Paradise (99)
Transit Score®
Rider's Paradise (92)
Bike Score®
Very Bikeable (81)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
Learn How It Works Detailed Scores
(206) 607-1738

Still interested?

Contact the brokers for more information about this property

CONTACTS

  • Listing ID: 31115240

  • Date on Market: 2024-03-04

  • Last Updated:

  • Address: 307-319 Westlake Ave N, Seattle, WA 98109

The South Lake Union Office Property at 307-319 Westlake Ave N, Seattle, WA 98109 is currently available. Contact JLL for more information.

OFFICE PROPERTIES IN NEARBY NEIGHBORHOODS

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307 Westlake | 307-319 Westlake Ave N
(206) 607-1738 x

307 Westlake | 307-319 Westlake Ave N

Joe Gowan
(206) 607-1738

Bailey Aggen
(206) 607-1717

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