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1001 4th Ave
Seattle, WA 98154 Downtown Seattle

Rate Upon Request

Office For Lease  •  1,309+ SF

Property Details

  • Property Type Office
  • Year Built 1969
  • Total Building Size 887,000 SF
  • Tenancy Multiple
  • Building Class A
  • Zoning DOC1 U450U DOC1 U450U
100 Transit Score
99 Walk Score

15 Spaces Available

Name Space Use Size Rent Details
21st Floor Ste 2100 Office 19,789 SF Rate Upon Request 
+ Available 10/1/2025

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 59,374 SF
22nd Floor Ste 2200 Office 19,795 SF Rate Upon Request 
+ Available 10/1/2025

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 59,374 SF
23rd Floor Ste 2300 Office 19,790 SF Rate Upon Request 
+ Available 10/1/2025

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 59,374 SF
32nd Floor Ste 3200 Office 19,795 SF Rate Upon Request 
+ Available Now

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
36th Floor Ste 3600 Office 20,816 SF Rate Upon Request 
+ Available 6/1/2025

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
39th Floor Ste 3900 Office 20,333 SF Rate Upon Request 
+ Available Now

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 40,666 SF
40th Floor Ste 4000 Office 20,333 SF Rate Upon Request 
+ Available Now

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
  • In Contiguous block: 40,666 SF
41st Floor Ste 4105 Office 3,263 SF Rate Upon Request 
+ Available Now

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
41st Floor Ste 4130 Office 1,757 SF Rate Upon Request 
AVAILABLE 1/1/2026

  • Date available: Jan 2026
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: New
42nd Floor Ste 4220 Office 3,448 SF Rate Upon Request 
+ Available Now

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
42nd Floor Ste 4230 Office 4,646 SF Rate Upon Request 
+ Available Now

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
43rd Floor Ste 4305 Office 3,721 SF Rate Upon Request 
+ Available Now

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Built out as: Standard Office
  • Space Type: Relet
43rd Floor Ste 4322 Office 1,309 SF Rate Upon Request 
Available: 3/1/2026

  • Date available: Mar 2026
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: New
43rd Floor Ste 4360 Office 1,789 SF Rate Upon Request 
Available now

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
43rd Floor Ste 4368 Office 4,400 SF Rate Upon Request 
Available Now

  • Date available: Now
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet

Description 

+ 762,631 SF Class A office building
+ Average floor plate size is approximately 20,000 SF
+ 50 story office building
+ 5 levels of underground parking – 0.7:1,000 RSF parking ratio
+ Iconic Grounds coffee shop and Bank of America
+ 35,000 SF of building specific amenities including:
            +  Large conference room and training center
            +  Executive boardroom
            +  Private tenant library
            +  Fitness Club with showers and locker rooms
            +  Secured Bike Hub with dedicated entrance with shower and locker rooms

Highlights

The state-of-the-art fitness club.
New turnstile system enhances security while ensuring seamless access for tenants and visitors.
Bike Hub offers secure storage, repair stations, and easy access to downtown bike lanes, ensuring a seamless cycling experience for tenants.
Modern locker rooms with private showers, spacious changing areas, and secure storage provide comfort and convenience for busy professionals.
Multiple conference rooms with different layouts and functionality to service a wide breadth of tenant needs.
With seamless access to I-5 and the region’s expanding multimodal transit options, tenants can connect to everything downtown Seattle has to offer.

Green Rating

EnergyStar Yes

Amenities

  • Conferencing Facility
  • Fitness Center
  • Property Manager on Site
  • Restaurant
  • LEED Certified - Platinum
  • Energy Star Labeled

Major Tenants

Tenant SF Occupied Lease End Date
Aedas
AFC
BXP
Endeavor
Fox Rothschild
IA
PWRFL
Safeco Insurance 10/31/2028
WPP Group USA, Inc. 10/1/2028
WSP

Public Transportation

Commuter RailDriveWalkDistance
King Street (Seattle) Station (Sounder South Line - Central Puget Sound Regional Transit Authority Rail (Link Light Rail/Sounder)) 3 min 14 min 0.7 mi
AirportDriveWalkDistance
Seattle-Tacoma International 23 min - 14.3 mi
Seattle Paine Field International 34 min - 23.7 mi

Parking Details

Parking Available: Yes
Reserved: No
Spaces Provided: 593
Type: Covered
Included in Rent: No
David Greenwood 206-838-5775 Broderick Group, Inc.
David Greenwood 206-838-5775 Broderick Group, Inc.