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1150 Eastlake Ave E
Seattle, WA 98109 South Lake Union

Rate Upon Request

Office For Lease  •  31,189+ SF

Property Details

  • Property Type Office
  • Year Built 2023
  • Total Building Size 311,632 SF
  • Tenancy Multiple
  • Building Class A
  • Zoning SM-SLU 145
75 Transit Score
75 Walk Score

4 Spaces Available

Name Space Use Size Rent Details
3rd Floor Ste Flex 35,505 SF Rate Upon Request 
Call for details.

  • Date available: Apr 2026
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
  • In Contiguous block: 99,271 SF
4th Floor Ste Flex 32,577 SF Rate Upon Request 
Call for details.

  • Date available: Apr 2026
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
  • In Contiguous block: 99,271 SF
5th Floor Ste Flex 31,189 SF Rate Upon Request 
Call for details.

  • Date available: Apr 2026
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet
  • In Contiguous block: 99,271 SF
9th Floor Ste 900 Flex 31,270 SF Rate Upon Request 
Call broker for rates.

  • Date available: 90 Days
  • Lease term: Negotiable
  • Service type: To Be Determined
  • Space Type: Relet

Description 

1150 Eastlake Ave E, part of the Alexandria Center® for Life Science – Eastlake Megacampus™, is centrally located in the Eastlake neighborhood along Lake Union. It is a 10-minute drive from Fremont or the U District and 5 minutes from Alexandria’s South Lake Union Megacampus™. The building, built in 2023, features secure underground parking and convenient access to I-5, public transit, and protected bike lanes. On-site amenities includes multiple conference rooms, collaborative workspaces, and a rooftop deck with breathtaking views of Lake Union and the Seattle skyline. 

Additional conveniences include 24/7 security, Rubinstein Bagels on the ground floor, and The Hydro House across the street for hosting events. The building also offers easy access to Alexandria’s newest grab-and-go dining option, Kitchen & Market, as well as the nearby Victor Tavern, a great spot for dining and socializing.

Highlights

Rooftop deck with panoramic views of Lake Union and Seattle skyline.
Energy Efficiency: LEED Gold

Green Rating

LEED Gold

Amenities

  • Bio-Tech/ Lab Space
  • Controlled Access
  • Conferencing Facility
  • Restaurant
  • Security System
  • LEED Certified - Gold
  • Energy Star Labeled
  • Roof Terrace
  • Air Conditioning

Major Tenants

Tenant SF Occupied Lease End Date
AltPep
Bonum Therapeutics, Inc.
Cajal Neuroscience
Rubinstein Bagels
Umoja Biopharma

Public Transportation

Commuter RailDriveWalkDistance
King Street (Seattle) Station (Sounder South Line - Central Puget Sound Regional Transit Authority Rail (Link Light Rail/Sounder)) 8 min - 2.9 mi
Transit/SubwayDriveWalkDistance
Fairview & Campus Drive (South Lake Union Streetcar - Seattle Streetcar) 2 min 7 min 0.3 mi
Lake Union Park (South Lake Union Streetcar - Seattle Streetcar) 2 min 11 min 0.6 mi
AirportDriveWalkDistance
Seattle-Tacoma International 27 min - 16.0 mi
Seattle Paine Field International 35 min - 23.3 mi

Parking Details

Parking Available: Yes
Reserved: No
Spaces Provided: 500
Type: Covered
Included in Rent: Yes
Cavan O'Keefe 206-395-2903 Newmark
Cavan O'Keefe 206-395-2903 Newmark