- For Lease Contact for pricing
- Property Type Office
- Property Size 58,240 SF
- # of Floors 10
- Building Class B
- Year Built 1907
- Date Updated May 13, 2026
Description
Built in 1907, the Seaboard Building stands as a testament to Seattle’s rich history. Designated a National Historic Landmark in 2002, the building features a beautiful terra cotta façade and a prime location overlooking Westlake Park.
True
5 Spaces Available
Suite 400
Space Type
General Office
Lease Rate
Negotiable
Total Space
4,229 SF
Floor
4
Divisible Space
4,229 - 4,229 SF
Available Date
Immediate
Lease Type
Full Service
Renewal Option
Yes
Sublease
No
Build Type
Full build out
Space Number
400
Suite 450
Space Type
General Office
Lease Rate
$20.00/SF/YR
Total Space
3,086 SF
Floor
4
Divisible Space
3,086 - 3,086 SF
Available Date
Immediate
Lease Type
Full Service
Renewal Option
Yes
Sublease
No
Build Type
Full build out
Space Number
450
Suite 510
Space Type
General Office
Lease Rate
Negotiable
Total Space
4,486 SF
Floor
5
Divisible Space
4,486 - 4,486 SF
Available Date
Immediate
Lease Type
Full Service
Renewal Option
Yes
Sublease
No
Build Type
Full build out
Space Number
510
Suite 525
Space Type
General Office
Lease Rate
Negotiable
Total Space
1,164 SF
Floor
5
Divisible Space
1,164 - 1,164 SF
Available Date
Immediate
Lease Type
Full Service
Renewal Option
Yes
Sublease
No
Build Type
Full build out
Space Number
525
Suite 600
Space Type
General Office
Lease Rate
Negotiable
Total Space
9,844 SF
Floor
6
Divisible Space
9,844 - 9,844 SF
Available Date
Immediate
Lease Type
Full Service
Renewal Option
Yes
Sublease
No
Build Type
Full build out
Space Number
600
Contacts
Brandon Burmeister
Cushman & Wakefield
Leah Masson
Cushman & Wakefield
Location
Located at 1500-1506 4th Ave, Seattle, WA 98101, this property is part of the Seattle Central Business District neighborhood and Seattle market.
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