307 Westlake

307 Westlake Avenue North, Seattle, WA 98109

Property Information

  • For Lease Contact for pricing
  • Property Type Office - R&D - Office
  • Property Size 127,537 SF
  • Lot Size 0.6 Acre
  • Parking Spaces Avail. 146
  • Parking Ratio 1.15 / 1,000 SF
  • Property Tenancy Multi-Tenant
  • LEED Certified Gold
  • Building Class A
  • Year Built 2003
  • Date Updated May 13, 2026

Description

307 Westlake is a 127,537-square-foot, LEED Gold Certified building designed for office and R&D use, situated on a 0.6-acre lot. Built in 2003, this Class A property features a parking ratio of 1.15, offering 146 parking spaces for tenants and visitors. The building’s modern design and sustainable certification make it an attractive option for businesses prioritizing environmental responsibility.

South Lake Union is a vibrant neighborhood known for its tech hubs, dining spots, and cultural attractions. The property is steps from multiple public transportation stops, including Westlake & Thomas approximately 0.02 miles away, ensuring excellent connectivity. Popular dining options such as Jack’s BBQ and Chipotle are within a short walk, while nearby hotels like citizenM and Astra Hotel Seattle provide convenient accommodations. Additionally, the area includes notable education facilities like Northeastern University at 0.14 miles and Cornish College of the Arts approximately 0.29 miles away, adding to the neighborhood's dynamic appeal.

4 Spaces Available

#100

Space Type

R&D - Office

Lease Rate

Contact for pricing

Total Space

6,000 SF

Additional Space Type

Flex - Office

Floor

1

Divisible Space

6,000 - 6,000 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

#200

Space Type

R&D - Office

Lease Rate

Contact for pricing

Total Space

30,300 SF

Additional Space Type

Flex - Office

Floor

2

Divisible Space

30,300 - 30,300 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

#400

Space Type

R&D - Office

Lease Rate

Contact for pricing

Total Space

28,000 SF

Additional Space Type

Flex - Office

Floor

4

Divisible Space

28,000 - 28,000 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

#500

Space Type

R&D - Office

Lease Rate

Contact for pricing

Total Space

28,000 SF

Additional Space Type

Flex - Office

Floor

5

Divisible Space

28,000 - 28,000 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Contacts

Bailey Aggen

Jones Lang LaSalle

Joe Gowan

Jones Lang LaSalle

Bailey Hallis Hicks

Jones Lang LaSalle

Location

Located at 307 Westlake Avenue North, Seattle, WA 98109, this property is part of the South Lake Union neighborhood and Seattle market.

Contact 307 Westlake
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