West Lake Union Center

1505 Westlake Avenue North, Seattle, WA 98109

Property Information

  • For Lease Contact for pricing
  • Property Type Office - General Office
  • Property Size 204,790 SF
  • Lot Size 1.22 Acre
  • Parking Spaces Avail. 468
  • Parking Ratio 2.29 / 1,000 SF
  • Property Tenancy Multi-Tenant
  • LEED Certified Silver
  • Building Class A
  • Year Built 1994
  • Date Updated May 7, 2026

Description

West Lake Union Center is a 204,790-square-foot Class A office building featuring Silver LEED certification, situated on a 1.22-acre lot. Built in 1994, the property includes 468 parking spaces with a parking ratio of 2.29 per 1,000 square feet, offering ample parking options for tenants. Its modern design and environmentally conscious features align well with the needs of businesses seeking a professional and sustainable workspace.

Nestled in the Westlake neighborhood, the building enjoys proximity to several conveniences. Dining options such as Mother India Cuisine and Lake Union Eats are just steps away, providing quick, nearby lunch choices. Hotels like the Courtyard Marriott Seattle Downtown/Lake Union are within walking distance, ideal for accommodating visiting clients or team members. Public transportation hubs, including Fairview & Campus Drive and Westlake & Mercer, are within half a mile, enhancing connectivity. Nearby parking facilities like Mercer Street Garage add further value to this centrally located property.

12 Spaces Available

#1000

Space Type

General Office

Lease Rate

Contact for pricing

Total Space

12,148 SF

Floor

10

Divisible Space

12,148 - 12,148 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Heavy build-out with perimeter private offices and two large decks that overlook Lake Union

#125

Space Type

General Office

Lease Rate

Contact for pricing

Total Space

3,607 SF

Floor

1

Divisible Space

3,607 - 3,607 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Ground floor office space with lobby exposure.
Open space with three private offices,
conference room and kitchen.

#150

Space Type

General Office

Lease Rate

Contact for pricing

Total Space

3,864 SF

Floor

1

Divisible Space

3,864 - 3,864 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

 Ground floor suite with lobby exposure. Perimeter

private offices, open area and conference room.

#300

Space Type

General Office

Lease Rate

Contact for pricing

Total Space

4,829 SF

Floor

3

Divisible Space

4,829 - 13,157 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Northeast corner suite with great natural light. Contiguous with Suites 300 and 305.

#305

Space Type

General Office

Lease Rate

Contact for pricing

Total Space

4,730 SF

Floor

3

Divisible Space

4,730 - 13,157 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Reception, conference room, copy room/kitchen, four private offices and open space with great natural light

Contacts

Scotta Ashcraft Sherlock

CBRE

Nick Carkonen

CBRE

Riley Shephard

CBRE

Location

Located at 1505 Westlake Avenue North, Seattle, WA 98109, this property is part of the Westlake neighborhood and Seattle market.

Contact West Lake Union Center
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.