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300 M Street, SE 300 M St SE 2,228 - 119,974 SF of 4-Star Office Space Available in Washington, DC 20003

Office Spaces District of Columbia Washington 300 M St SE, Washington, DC 20003

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Highlights

  • Located near public transportation.
  • On-site property manager.

All Available Spaces(11)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Condition
  • Available
  • 2nd Floor, Ste 200
  • 12,350 SF
  • Negotiable
  • $61.40 CAD/SF/YR $5.12 CAD/SF/MO $758,271 CAD/YR $63,189 CAD/MO
  • Office
  • Full Build-Out
  • Now
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

This space has Elevator lobby exposure. Office intensive configuration.

  • Rate includes utilities, building services and property expenses
  • Easily accessible.
  • 2 Conference Rooms
  • 2nd Floor, Ste 220
  • 6,361 SF
  • Negotiable
  • $61.40 CAD/SF/YR $5.12 CAD/SF/MO $390,556 CAD/YR $32,546 CAD/MO
  • Office
  • Full Build-Out
  • 2027-03-01
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • 3rd Floor, Ste 300
  • 14,785 SF
  • Negotiable
  • $61.40 CAD/SF/YR $5.12 CAD/SF/MO $907,776 CAD/YR $75,648 CAD/MO
  • Office
  • Full Build-Out
  • Now
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

This space has direct elevator lobby exposure. Current layout features large conferencing center at suite entry, with a mix of open plan and offices throughout balance of space.

  • Rate includes utilities, building services and property expenses
  • 1 Conference Room
  • 10 Private Offices
  • Easily accessible.
  • 4th Floor, Ste 420
  • 4,684 SF
  • Negotiable
  • $62.08 CAD/SF/YR $5.17 CAD/SF/MO $290,786 CAD/YR $24,232 CAD/MO
  • Office
  • Full Build-Out
  • Now
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

This space has an office intensive layout. Efficient layout with 9 windowed offices.

  • Rate includes utilities, building services and property expenses
  • Easily accessible.
  • 1 Conference Room
  • 6th Floor, Ste 620
  • 2,627 SF
  • Negotiable
  • $62.76 CAD/SF/YR $5.23 CAD/SF/MO $164,878 CAD/YR $13,740 CAD/MO
  • Office
  • Full Build-Out
  • Now
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
  • Rate includes utilities, building services and property expenses
  • Can be combined with additional space(s) for up to 17,272 SF of adjacent space
  • 6th Floor, Ste 640
  • 14,645 SF
  • Negotiable
  • $62.76 CAD/SF/YR $5.23 CAD/SF/MO $919,162 CAD/YR $76,597 CAD/MO
  • Office
  • Full Build-Out
  • Now
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
  • Rate includes utilities, building services and property expenses
  • Can be combined with additional space(s) for up to 17,272 SF of adjacent space
  • 6th Floor, Ste 650
  • 6,081 SF
  • Negotiable
  • $62.76 CAD/SF/YR $5.23 CAD/SF/MO $381,661 CAD/YR $31,805 CAD/MO
  • Office
  • Full Build-Out
  • Now
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
  • Rate includes utilities, building services and property expenses
  • 7th Floor, Ste 700
  • 20,000-39,430 SF
  • Negotiable
  • $64.13 CAD/SF/YR $5.34 CAD/SF/MO $2,528,538 CAD/YR $210,712 CAD/MO
  • Office
  • Shell Space
  • Now
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

Full floor available in free standing building with windows on all sides.

  • Rate includes utilities, building services and property expenses
  • Easily accessible.
  • 2 Private Offices
  • 8th Floor, Ste 810
  • 2,228 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 2027-01-01
300 M St SE, Washington, DC for lease Interior Photo- Image 1 of 1
Interior Photo

Built space with direct elevator exposure. Includes 2 windowed offices, a conference room, pantry and open space.

  • 8th Floor, Ste 830
  • 6,559 SF
  • Negotiable
  • $64.13 CAD/SF/YR $5.34 CAD/SF/MO $420,611 CAD/YR $35,051 CAD/MO
  • Office
  • Full Build-Out
  • Now
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

This space is located on the top floor with direct elevator exposure. Great window line and natural light overlooking M Street.

  • Rate includes utilities, building services and property expenses
  • 8th Floor, Ste 850
  • 9,083-10,224 SF
  • Negotiable
  • $64.13 CAD/SF/YR $5.34 CAD/SF/MO $655,637 CAD/YR $54,636 CAD/MO
  • Office
  • Full Build-Out
  • 60 Days

This space is located on the top floor. Great window line and natural light.

  • Rate includes utilities, building services and property expenses
Space Size Term Rental Rate Space Use Condition Available
2nd Floor, Ste 200 12,350 SF Negotiable $61.40 CAD/SF/YR $5.12 CAD/SF/MO $758,271 CAD/YR $63,189 CAD/MO Office Full Build-Out Now
2nd Floor, Ste 220 6,361 SF Negotiable $61.40 CAD/SF/YR $5.12 CAD/SF/MO $390,556 CAD/YR $32,546 CAD/MO Office Full Build-Out 2027-03-01
3rd Floor, Ste 300 14,785 SF Negotiable $61.40 CAD/SF/YR $5.12 CAD/SF/MO $907,776 CAD/YR $75,648 CAD/MO Office Full Build-Out Now
4th Floor, Ste 420 4,684 SF Negotiable $62.08 CAD/SF/YR $5.17 CAD/SF/MO $290,786 CAD/YR $24,232 CAD/MO Office Full Build-Out Now
6th Floor, Ste 620 2,627 SF Negotiable $62.76 CAD/SF/YR $5.23 CAD/SF/MO $164,878 CAD/YR $13,740 CAD/MO Office Full Build-Out Now
6th Floor, Ste 640 14,645 SF Negotiable $62.76 CAD/SF/YR $5.23 CAD/SF/MO $919,162 CAD/YR $76,597 CAD/MO Office Full Build-Out Now
6th Floor, Ste 650 6,081 SF Negotiable $62.76 CAD/SF/YR $5.23 CAD/SF/MO $381,661 CAD/YR $31,805 CAD/MO Office Full Build-Out Now
7th Floor, Ste 700 20,000-39,430 SF Negotiable $64.13 CAD/SF/YR $5.34 CAD/SF/MO $2,528,538 CAD/YR $210,712 CAD/MO Office Shell Space Now
8th Floor, Ste 810 2,228 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 2027-01-01
8th Floor, Ste 830 6,559 SF Negotiable $64.13 CAD/SF/YR $5.34 CAD/SF/MO $420,611 CAD/YR $35,051 CAD/MO Office Full Build-Out Now
8th Floor, Ste 850 9,083-10,224 SF Negotiable $64.13 CAD/SF/YR $5.34 CAD/SF/MO $655,637 CAD/YR $54,636 CAD/MO Office Full Build-Out 60 Days

2nd Floor, Ste 200

Size
12,350 SF
Term
Negotiable
Rental Rate
$61.40 CAD/SF/YR $5.12 CAD/SF/MO $758,271 CAD/YR $63,189 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
Now

2nd Floor, Ste 220

Size
6,361 SF
Term
Negotiable
Rental Rate
$61.40 CAD/SF/YR $5.12 CAD/SF/MO $390,556 CAD/YR $32,546 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
2027-03-01

3rd Floor, Ste 300

Size
14,785 SF
Term
Negotiable
Rental Rate
$61.40 CAD/SF/YR $5.12 CAD/SF/MO $907,776 CAD/YR $75,648 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
Now

4th Floor, Ste 420

Size
4,684 SF
Term
Negotiable
Rental Rate
$62.08 CAD/SF/YR $5.17 CAD/SF/MO $290,786 CAD/YR $24,232 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
Now

6th Floor, Ste 620

Size
2,627 SF
Term
Negotiable
Rental Rate
$62.76 CAD/SF/YR $5.23 CAD/SF/MO $164,878 CAD/YR $13,740 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
Now

6th Floor, Ste 640

Size
14,645 SF
Term
Negotiable
Rental Rate
$62.76 CAD/SF/YR $5.23 CAD/SF/MO $919,162 CAD/YR $76,597 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
Now

6th Floor, Ste 650

Size
6,081 SF
Term
Negotiable
Rental Rate
$62.76 CAD/SF/YR $5.23 CAD/SF/MO $381,661 CAD/YR $31,805 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
Now

7th Floor, Ste 700

Size
20,000-39,430 SF
Term
Negotiable
Rental Rate
$64.13 CAD/SF/YR $5.34 CAD/SF/MO $2,528,538 CAD/YR $210,712 CAD/MO
Space Use
Office
Condition
Shell Space
Available
Now

8th Floor, Ste 810

Size
2,228 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
2027-01-01

8th Floor, Ste 830

Size
6,559 SF
Term
Negotiable
Rental Rate
$64.13 CAD/SF/YR $5.34 CAD/SF/MO $420,611 CAD/YR $35,051 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
Now

8th Floor, Ste 850

Size
9,083-10,224 SF
Term
Negotiable
Rental Rate
$64.13 CAD/SF/YR $5.34 CAD/SF/MO $655,637 CAD/YR $54,636 CAD/MO
Space Use
Office
Condition
Full Build-Out
Available
60 Days
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

2nd Floor, Ste 200

300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
Size 12,350 SF
Term Negotiable
Rental Rate $61.40 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available Now

This space has Elevator lobby exposure. Office intensive configuration.

  • Rate includes utilities, building services and property expenses
  • 2 Conference Rooms
  • Easily accessible.
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Suite 220 plan

2nd Floor, Ste 220

300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
Size 6,361 SF
Term Negotiable
Rental Rate $61.40 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available 2027-03-01

  • Rate includes utilities, building services and property expenses
  • Fully Built-Out as Standard Office
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

3rd Floor, Ste 300

300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
Size 14,785 SF
Term Negotiable
Rental Rate $61.40 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available Now

This space has direct elevator lobby exposure. Current layout features large conferencing center at suite entry, with a mix of open plan and offices throughout balance of space.

  • Rate includes utilities, building services and property expenses
  • 10 Private Offices
  • 1 Conference Room
  • Easily accessible.
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

4th Floor, Ste 420

300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
Size 4,684 SF
Term Negotiable
Rental Rate $62.08 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available Now

This space has an office intensive layout. Efficient layout with 9 windowed offices.

  • Rate includes utilities, building services and property expenses
  • 1 Conference Room
  • Easily accessible.
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

6th Floor, Ste 620

300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
Size 2,627 SF
Term Negotiable
Rental Rate $62.76 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available Now

  • Rate includes utilities, building services and property expenses
  • Can be combined with additional space(s) for up to 17,272 SF of adjacent space
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

6th Floor, Ste 640

300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
Size 14,645 SF
Term Negotiable
Rental Rate $62.76 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available Now

  • Rate includes utilities, building services and property expenses
  • Can be combined with additional space(s) for up to 17,272 SF of adjacent space
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

6th Floor, Ste 650

300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
Size 6,081 SF
Term Negotiable
Rental Rate $62.76 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available Now

  • Rate includes utilities, building services and property expenses
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

7th Floor, Ste 700

300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
Size 20,000-39,430 SF
Term Negotiable
Rental Rate $64.13 CAD/SF/YR
Space Use Office
Condition Shell Space
Available Now

Full floor available in free standing building with windows on all sides.

  • Rate includes utilities, building services and property expenses
  • 2 Private Offices
  • Easily accessible.
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
300 M St SE, Washington, DC for lease Interior Photo- Image 1 of 1
300 M_8th Floor Suite 810_2,228 RSF

8th Floor, Ste 810

300 M St SE, Washington, DC for lease Interior Photo- Image 1 of 1
Interior Photo
Size 2,228 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available 2027-01-01

Built space with direct elevator exposure. Includes 2 windowed offices, a conference room, pantry and open space.

1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan

8th Floor, Ste 830

300 M St SE, Washington, DC for lease Floor Plan- Image 1 of 1
Floor Plan
Size 6,559 SF
Term Negotiable
Rental Rate $64.13 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available Now

This space is located on the top floor with direct elevator exposure. Great window line and natural light overlooking M Street.

  • Rate includes utilities, building services and property expenses

8th Floor, Ste 850

Size 9,083-10,224 SF
Term Negotiable
Rental Rate $64.13 CAD/SF/YR
Space Use Office
Condition Full Build-Out
Available 60 Days

This space is located on the top floor. Great window line and natural light.

  • Rate includes utilities, building services and property expenses

Property Overview

Class A office building with many amenities including a fitness center and property manager on site.

  • 24 Hour Access
  • Atrium
  • Bus Line
  • Fitness Center
  • Metro/Subway
  • Property Manager on Site
  • Restaurant
  • Security System
  • Central Heating
  • Natural Light
  • Air Conditioning
  • Smoke Detector

Property Facts

Building Type
Office
Year Built
2001
LoopNet Rating
4 Star
Building Height
8 Stories
Building Size
285,171 SF
Building Class
A
Typical Floor Size
37,000 SF
Unfinished Ceiling Height
10’
Parking
Surface Parking
304 Covered Parking Spaces at $355 CAD/month
Reserved Parking at $709 CAD/month

Attachments

300 M_Brochure - 9.2025
1 1
Walk Score®
Walker's Paradise (95)
Transit Score®
Excellent Transit (82)
Bike Score®
Biker's Paradise (90)
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
(571) 340-0420

Still interested?

Contact the brokers for more information about this property

Contacts

  • Listing ID: 3991385

  • Date on Market: 2026-02-26

  • Last Updated:

  • Address: 300 M St SE, Washington, DC 20003

The Capitol Riverfront Office Property at 300 M St SE, Washington, DC 20003 is currently available. Contact Avison Young for more information.

OFFICE PROPERTIES IN NEARBY NEIGHBORHOODS

1 of 4
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View Street
Map
300 M St SE, Washington, DC for lease Primary Photo- Image 1 of 4
300 M St SE
300 M St SE, Washington, DC for lease Building Photo- Image 2 of 4
300 M St SE
300 M St SE, Washington, DC for lease Building Photo- Image 3 of 4
Front Entrance
1 of 1
300 M Street, SE | 300 M St SE
(571) 340-0420 x

300 M Street, SE | 300 M St SE

Macy Parana
(571) 340-0420

Greg Tomasso
(202) 644-8700

William Stern
(202) 644-8553

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