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For Lease

Seaboard Building

1500-1506 4th Ave, Seattle, WA 98101

22,809

SF Available
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.

Rental Details

  • Number of spaces 5
  • Total square feet available 22,809 SF
  • For Lease Contact for pricing
  • Space Types General Office
  • Lease Type Full Service
  • Date Updated May 20, 2026
Want more info on this listing?

Reach out to the broker for more info on lease terms and amenities

True

For Lease 5 Spaces Available

Suite 400

  • Space Type General Office
  • Lease Rate Negotiable
  • Total Space Available 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
broker
Brandon Burmeister

Cushman & Wakefield

broker
Leah Masson

Cushman & Wakefield

Suite 450

  • Space Type General Office
  • Lease Rate $20.00/SF/YR
  • Total Space Available 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
broker
Brandon Burmeister

Cushman & Wakefield

broker
Leah Masson

Cushman & Wakefield

Suite 510

  • Space Type General Office
  • Lease Rate Negotiable
  • Total Space Available 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
broker
Brandon Burmeister

Cushman & Wakefield

broker
Leah Masson

Cushman & Wakefield

Suite 525

  • Space Type General Office
  • Lease Rate Negotiable
  • Total Space Available 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
broker
Brandon Burmeister

Cushman & Wakefield

broker
Leah Masson

Cushman & Wakefield

Suite 600

  • Space Type General Office
  • Lease Rate Negotiable
  • Total Space Available 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
broker
Brandon Burmeister

Cushman & Wakefield

broker
Leah Masson

Cushman & Wakefield

Contacts

broker
Brandon Burmeister

Cushman & Wakefield

broker
Leah Masson

Cushman & Wakefield

Building Details

  • 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 20, 2026

Getting Around

  • Walk Score ®

    Walker's Paradise (99)
  • Transit Score ®

    Rider's Paradise (100)
  • Bike Score ®

    Very Bikeable (70)
Powered by Walk Score ®

Location

  • City Seattle, WA
  • Neighborhood Seattle Central Business District
  • Zip Code 98101
  • Market Seattle

Points of Interest

3rd Avenue & Pine Street

0.09 miles

5th Avenue & Pine Street

0.11 miles

Westlake Hub

0.18 miles

Westlake And 7th

0.31 miles

Westlake & 9th-Denny

0.51 miles

Pioneer Square Station

0.55 miles

Seattle

0.58 miles

Pioneer Square

0.60 miles

Broadway & Marion

0.74 miles

Greenlots

0.52 miles

Blink

0.52 miles

76

0.66 miles

Shell

0.67 miles

EVgo

0.75 miles

Electrify America

1.03 miles

7-Eleven

1.18 miles

Volta

1.34 miles

Charge Seattle

2.75 miles

Decatur Building

0.09 miles

West Edge Garage

0.12 miles

Sorreano Parking Garage

0.14 miles

Third and Stewart Garage

0.15 miles

Cobb Garage

0.18 miles

Impark Lot 106

0.18 miles

Midtown Parking Lot 60

0.19 miles

6th Avenue Garage - Hilton Seattle Parking

0.19 miles

Midtown Parking

0.20 miles

National

0.14 miles

Enterprise

0.15 miles

SIXT

0.16 miles

Budget

0.21 miles

Avis

0.21 miles

Hertz

0.22 miles

Mutual Detail

0.25 miles

Tempus Detailing

0.27 miles

Zipcar

0.54 miles

Dog In the Park

0.03 miles

Yard House

0.03 miles

Bourbon Steak

0.04 miles

Potbelly

0.05 miles

Veggie Grill

0.05 miles

Frolik Kitchen + Cocktails

0.06 miles

Gyros Place

0.06 miles

Sushi Kudasai

0.06 miles

Taste of Asia

0.06 miles

Westlake Center

0.11 miles

Nordstrom

0.11 miles

Pacific Place

0.17 miles

H Mart

0.17 miles

Target

0.18 miles

Metropolitan Deli + Cafe

0.37 miles

Dan's Belltown Grocery

0.44 miles

Whole Foods Market

0.54 miles

City Market

0.65 miles

Walgreens

0.09 miles

Downtown Seattle Medical Center

0.12 miles

ZoomCare

0.14 miles

Seattle Infectious Disease Clinic

0.15 miles

CVS Pharmacy

0.18 miles

Providence Heritage House at the Market

0.28 miles

Pike Market Medical Clinic

0.29 miles

Capsule

0.31 miles

West Precinct

0.40 miles

1500-1506 4th Ave Listing Summary

  • Office Space Available at 1500-1506 4th Ave

    Office space currently available at 1500-1506 4th Ave adds up to a total of 22,809 square feet across 5 listing(s). The largest individual space listed offers 9,844 square feet. Property use types available for lease at this property include: general office.

  • Learn More about 1500-1506 4th Ave

    1500-1506 4th Ave is located in the Seattle market and pertains to the 98101 zip code. The property incorporates a total of 22,809 square feet of space. 1500-1506 4th Ave was built in 1907.

    Interested in researching more about this property? Access in-depth research on 1500-1506 4th Ave, including ownership details, transaction history, property characteristics, taxes, mortgage data, violations and more by creating a free account and viewing the full property report.

  • Get to Know the Neighborhood

    In the Seattle Central Business District neighborhood, where 1500-1506 4th Ave is located, you can currently find 937 office space(s) for rent. In total, this amounts to 10,671,537 square feet of available office space for lease opportunities.

Contact Seaboard Building
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