Mutual Life Bldg

605 1st Ave, Seattle, WA 98104

Property Information

  • For Lease Contact for pricing
  • Property Type Office
  • Property Size 54,100 SF
  • # of Floors 6
  • Building Class B
  • Year Built 1900
  • Date Updated May 15, 2026

Description

The Mutual Life Building is a six-story, Class B office property totaling 54,100 square feet. Built in 1900, this historic structure offers a professional setting within the vibrant Pioneer Square neighborhood. While parking spaces are not provided on-site, the area is well-served by multiple nearby parking garages, including 1st and Columbia Parking Garage and Butler Block, both approximately 0.1 miles away.

Pioneer Square is known for its mix of historic charm and modern amenities, with a variety of dining, transportation, and lodging options within easy reach. Restaurants such as Delicatus, Se?or Carbon, and The Halal Guys are just steps away, while transportation hubs like Pioneer Square Station and King Street Station are within a 0.4-mile radius, providing excellent connectivity. The area also hosts notable hotels like citizenM Seattle Pioneer Square and Best Western Pioneer Square Hotel, each within 0.1 miles, making it convenient for visiting clients or colleagues.

7 Spaces Available

Suite 200

Space Type

General Office

Lease Rate

Negotiable

Total Space

3,984 SF

Floor

2

Divisible Space

3,984 - 3,984 SF

Available Date

TBD

Lease Type

Full Service

Renewal Option

Yes

Sublease

No

Build Type

Full build out

Space Number

200

Suite 250

Space Type

General Office

Lease Rate

Negotiable

Total Space

1,402 SF

Floor

2

Divisible Space

1,402 - 1,402 SF

Available Date

Immediate

Lease Type

Full Service

Renewal Option

Yes

Sublease

No

Build Type

Full build out

Space Number

250

Suite 505

Space Type

General Office

Lease Rate

Negotiable

Total Space

1,029 SF

Floor

5

Divisible Space

1,029 - 1,029 SF

Available Date

Immediate

Lease Type

Full Service

Renewal Option

Yes

Sublease

No

Build Type

Full build out

Space Number

505

Suite 506

Space Type

General Office

Lease Rate

Negotiable

Total Space

1,124 SF

Floor

5

Divisible Space

1,124 - 1,124 SF

Available Date

Immediate

Lease Type

Full Service

Renewal Option

Yes

Sublease

No

Build Type

Full build out

Space Number

506

Suite 510

Space Type

General Office

Lease Rate

Negotiable

Total Space

1,843 SF

Floor

5

Divisible Space

1,843 - 1,843 SF

Available Date

Immediate

Lease Type

Full Service

Renewal Option

Yes

Sublease

No

Build Type

Full build out

Space Number

510

Contacts

Brandon Burmeister

Cushman & Wakefield

Leah Masson

Cushman & Wakefield

Location

Located at 605 1st Ave, Seattle, WA 98104, this property is part of the Pioneer Square neighborhood and Seattle market.

Contact Mutual Life Bldg
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