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605 1st Ave
Seattle, WA 98104
Mutual Life Bldg · Office Property For Lease · 10,598 SF

Highlights

  • Classic Pioneer Square building with ornate, historic finishes
  • Common showers & locker facilities
  • High ceilings and tall windows allow for ample natural light
  • Secure bike storage

Property Overview

Originally constructed in the early 1850s, The Mutual Life Building stands as the cornerstone of Seattle’s historic Pioneer Square. Through meticulous renovations that honor its original charm, the building showcases tall ceilings, arched windows and ornate details, a testament to its rich history. Transformed into a fully functional workplace, this character-rich building caters to tenants in search of more than just an office space, offering a genuine link to Seattle’s vibrant heritage.

  • Bus Line
  • Property Manager on Site
  • Restaurant
  • Signage

Property Facts

Building Type
Office
Year Built/Renovated
1965/1983
Building Height
6 Stories
Building Size
54,100 SF
Building Class
B
Typical Floor Size
9,017 SF
Unfinished Ceiling Height
12’
Parking
Surface Parking
Surface Tandem Parking
Covered Parking
Covered Tandem Parking
Reserved Parking
  • Listing ID: 30604565

  • Date on Market: 2026-01-16

  • Last Updated:

  • Address: 605 1st Ave, Seattle, WA 98104

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