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999 3rd Ave
Seattle, WA 98104 Downtown Seattle

Rate Upon Request

Office For Lease  •  2,520+ SF

Property Details

  • Property Type Office
  • Year Built 1983
  • Total Building Size 989,186 SF
  • Tenancy Multiple
  • Building Class A
  • Zoning DOC1
100 Transit Score
100 Walk Score

33 Spaces Available

Name Space Use Size Rent Details
4th Floor Ste 400 Office 11,717 SF Rate Upon Request 
Fully furnished plug-and-play space. Extra high ceiling with floor-to-ceiling windows.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
5th Floor Ste 500 Office 21,892 SF Rate Upon Request 
Fully furnished plug-and-play space. Open ceiling.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
6th Floor Ste 610 Office 5,891 SF Rate Upon Request 
Fully furnished plug-and-play space.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
6th Floor Ste 620 Office 10,387 SF Rate Upon Request 
Fully furnished plug-and-play space.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
8th Floor Ste 800 Office 22,087 SF Rate Upon Request 
Fully furnished plug-and-play space. Open ceiling with floor-to-ceiling windows. Gender neutral bathrooms.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 44,175 SF
9th Floor Ste 900 Office 22,088 SF Rate Upon Request 
Fully furnished plug-and-play space. Open ceiling with floor-to-ceiling windows. Gender neutral bathrooms.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 44,175 SF
11st Floor Ste 1100 Office 22,087 SF Rate Upon Request 
Suite 1100 at 999 3rd Avenue offers a full-floor office opportunity in the heart of Seattle’s central business district. The space spans approximately 22,087 rentable square feet and features an efficient floor plate designed to accommodate a variety of modern office layouts. Positioned on a high floor, the suite benefits from abundant natural light and expansive city views, creating an inviting and productive work environment.
The property is located at the intersection of 2nd Avenue, 3rd Avenue, and Madison Street, providing exceptional accessibility to major downtown amenities, public transit options, and nearby retail and dining destinations. Tenants will appreciate the building’s proximity to key transportation corridors and its integration within Seattle’s vibrant urban core.
This location is ideal for businesses seeking a prominent downtown address with flexible design potential and strong connectivity to the region’s workforce and amenities.

  • Date available: Jul 2027
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
  • In Contiguous block: 44,174 SF
12nd Floor Ste 1200 Office 22,087 SF Rate Upon Request 
Suite 1200 at 999 3rd Avenue offers a full-floor office opportunity in the heart of Seattle’s central business district. The space spans approximately 22,087 rentable square feet and features an efficient floor plate designed to accommodate a variety of modern office layouts. Positioned on a high floor, the suite benefits from abundant natural light and expansive city views, creating an inviting and productive work environment.
The property is located at the intersection of 2nd Avenue, 3rd Avenue, and Madison Street, providing exceptional accessibility to major downtown amenities, public transit options, and nearby retail and dining destinations. Tenants will appreciate the building’s proximity to key transportation corridors and its integration within Seattle’s vibrant urban core.
This location is ideal for businesses seeking a prominent downtown address with flexible design potential and strong connectivity to the region’s workforce and amenities.

  • Date available: Jul 2027
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
  • In Contiguous block: 44,174 SF
15th Floor Ste 1500 Office 3,356 SF Rate Upon Request
  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
15th Floor Ste 1505 Office 2,520 SF Rate Upon Request 
Shell space with great water views.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
15th Floor Ste 1510 Office 5,673 SF Rate Upon Request
  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
16th Floor Ste 1600 Office 22,087 SF Rate Upon Request 
Suite 1600 at 999 3rd Avenue offers a full-floor office opportunity in the heart of Seattle’s central business district. The space spans approximately 22,087 rentable square feet and features an efficient floor plate designed to accommodate a variety of modern office layouts. Positioned on a high floor, the suite benefits from abundant natural light and expansive city views, creating an inviting and productive work environment.

The property is located at the intersection of 2nd Avenue, 3rd Avenue, and Madison Street, providing exceptional accessibility to major downtown amenities, public transit options, and nearby retail and dining destinations. Tenants will appreciate the building’s proximity to key transportation corridors and its integration within Seattle’s vibrant urban core.

This location is ideal for businesses seeking a prominent downtown address with flexible design potential and strong connectivity to the region’s workforce and amenities.

  • Date available: Jul 2027
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
  • In Contiguous block: 67,181 SF
17th Floor Ste 1700 Office 22,923 SF Rate Upon Request 
Suite 1t00 at 999 3rd Avenue offers a full-floor office opportunity in the heart of Seattle’s central business district. The space spans approximately 22,923 rentable square feet and features an efficient floor plate designed to accommodate a variety of modern office layouts. Positioned on a high floor, the suite benefits from abundant natural light and expansive city views, creating an inviting and productive work environment.
The property is located at the intersection of 2nd Avenue, 3rd Avenue, and Madison Street, providing exceptional accessibility to major downtown amenities, public transit options, and nearby retail and dining destinations. Tenants will appreciate the building’s proximity to key transportation corridors and its integration within Seattle’s vibrant urban core.
This location is ideal for businesses seeking a prominent downtown address with flexible design potential and strong connectivity to the region’s workforce and amenities.

  • Date available: Jul 2027
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
  • In Contiguous block: 67,181 SF
18th Floor Ste 1800 Office 22,171 SF Rate Upon Request 
Fully furnished plug-and-play space. Mix of drop ceiling and open ceiling with views of Elliott Bay and Lumen Field. Gender neutral bathrooms.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 67,181 SF
20th Floor Ste 2000 Office 22,171 SF Rate Upon Request 
Fully furnished plug-and-play space. Drop ceiling with views of Elliott Bay and Lumen Field. Gender neutral bathrooms.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 66,331 SF
21st Floor Ste 2100 Office 21,942 SF Rate Upon Request 
Fully furnished plug-and-play space.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 66,331 SF
22nd Floor Ste 2200 Office 22,218 SF Rate Upon Request 
Fully furnished plug-and-play space.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 66,331 SF
24th Floor Ste 2400 Office 22,040 SF Rate Upon Request 
Virtual tour: https://my.matterport.com/show/?m=NnzpcufiyHn

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 44,611 SF
25th Floor Ste 2500 Office 9,942 SF Rate Upon Request 
Fully furnished plug-and-play space.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 44,611 SF
25th Floor Ste 2525 Office 8,102 SF Rate Upon Request 
Fully furnished plug-and-play space.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 44,611 SF
25th Floor Ste 2550 Office 4,527 SF Rate Upon Request
  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 44,611 SF
26th Floor Ste 2600 Office 12,108 SF Rate Upon Request
  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
30th Floor Ste 3000 Office 15,811 SF Rate Upon Request 
warm shell condition space with lobby exposure. Law firm build out.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Law Firm
  • Space Type: Relet
  • In Contiguous block: 61,635 SF
31st Floor Ste 3100 Office 22,912 SF Rate Upon Request 
Office space available for lease

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 61,635 SF
32nd Floor Ste 3200 Office 22,912 SF Rate Upon Request
  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 61,635 SF
35th Floor Ste 3500 Office 22,818 SF Rate Upon Request 
Virtual tour: https://my.matterport.com/show/?m=FKQuW7MxSx4

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 55,659 SF
36th Floor Ste 3600 Office 19,138 SF Rate Upon Request 
Suite can be combined with Suite 3610 for a full floor (22,716 RSF).

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 55,659 SF
36th Floor Ste 3610 Office 3,578 SF Rate Upon Request
  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 55,659 SF
37th Floor Ste 3700 Office 10,125 SF Rate Upon Request
  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 55,659 SF
42nd Floor Ste 4200 Office 23,286 SF Rate Upon Request 
Mostly open plan, full floor office availability.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
43rd Floor Ste 4300 Office 11,690 SF Rate Upon Request 
Plug-and-play with furniture available.

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Space Type: Relet
43rd Floor Ste 4350 Office 11,597 SF Rate Upon Request 
Virtual tour: https://my.matterport.com/show/?m=7uYVyMriLAR

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet
44th Floor Ste 4450 Office 8,681 SF Rate Upon Request 
Shell space ready for improvements.
Virtual tour: https://my.matterport.com/show/?m=qqqaV3EwkDx

  • Date available: Now
  • Lease term: Negotiable
  • Service type: Negotiable
  • Built out as: Standard Office
  • Space Type: Relet

Description 

Open and dynamic workspaces, efficient and flexible floor plates, abundant light, and never-ending views. Thoughtfully designed to meet your firm's evolving business needs.
Located in Seattle' s Central Business District, 999 Third offers direct access to transportation, commerce, and retail.

Highlights

Renovated lobby, gym, locker rooms, game room, bike storage and service
Renovated terraced plaza with retail and work space
The Nines—a peaceful tenant retreat/lounge
Starbucks, Homegrown, and other local favorites

Property Flyers

Green Rating

LEED Gold

Amenities

  • 24 Hour Access
  • Banking
  • Controlled Access
  • Conferencing Facility
  • Convenience Store
  • Food Service
  • Property Manager on Site

Major Tenants

Tenant SF Occupied Lease End Date
Cozen O'Connor 21,535 SF 12/27/2019
Docusign, Inc 166,241 SF
HDR 42,896 SF
Hillis Clark Martin & Peterson 30,187 SF 1/14/2021
Moss Adams 93,291 SF
Seyfarth LLP 22,833 SF 6/2/2025
Surf Incubator 21,000 SF
Wells Fargo Bank 76,484 SF
WSHA 21,531 SF
WSP USA 42,000 SF

Public Transportation

Commuter RailDriveWalkDistance
King Street (Seattle) Station (Sounder South Line - Central Puget Sound Regional Transit Authority Rail (Link Light Rail/Sounder)) 2 min 12 min 0.6 mi
Transit/SubwayDriveWalkDistance
Symphony (Lynnwood - Angle Lake - Sound Transit) 0 min 3 min 0.2 mi
Occidental Mall (First Hill Streetcar - City of Seattle) 2 min 10 min 0.5 mi
Westlake (Lynnwood - Angle Lake - Sound Transit) 2 min 10 min 0.5 mi
Westlake Center (Seattle Center - Westlake - Seattle Center Monorail) 2 min 10 min 0.6 mi
Westlake Hub (South Lake Union Streetcar - Seattle Streetcar) 2 min 13 min 0.7 mi
AirportDriveWalkDistance
Seattle-Tacoma International 23 min - 14.3 mi
Seattle Paine Field International 34 min - 23.8 mi

Parking Details

Parking Available: Yes
Reserved: No
Type: Surface
Included in Rent: Yes
Lisa Stewart 206-607-1786 JLL
Lisa Stewart 206-607-1786 JLL