Please provide a location to search for

Office Space for Rent in South Lake Union, Seattle, WA - 76 Listings

South Lake Union, Seattle, WA Commercial Inventory Breakdown

Office Spaces

Total: 14,259,379 SF

Data provided by Yardi Matrix, properties over 50k SF, includes office with retail

By square footage range:

  • 50k to 100k SF: 1,171,846 SF / 8.22% of total office
  • 100k to 500k SF: 11,375,458 SF / 79.78% of total office
  • 500k to 1M SF: 1,712,075 SF / 12.01% of total office

By class:

  • Class A: 10,750,699 SF / 75.39% of total office
  • Class B: 995,075 SF / 6.98% of total office

Top 10 Largest Office Buildings

in South Lake Union

Office building Address Sqft Year built
333 Dexter Avenue 333 Dexter Avenue North, 98109 641,184 2019
Amazon.com - Phase IV 345 Boren Avenue North, 98109 570,891 2011
Dexter Yard 700 Dexter Avenue North, 98109 500,000 2021
625 Boren Avenue North - Block 31 625 Boren Avenue North, 98109 433,625 2019
111 Westlake 111 Westlake Avenue North, 98109 426,000 n/a
Amazon Houdini South 307 Fairview Avenue North, 98109 397,500 2016
Amazon.com - Phase VI 515 Westlake Avenue North, 98109 394,578 2013
Amazon Houdini North 399 Fairview Avenue North, 98109 382,389 2017
Alley24 223 Yale Avenue North, 98109 362,000 2005
520 Westlake 520 Westlake Avenue North, 98109 358,000 n/a

Most Recently-Built Office Buildings

in South Lake Union

Office building Address Sqft Year built
9th & Thomas 234 9th Avenue North, 98109 170,592 2018
UW Medicine Phase 3.2 500 Dexter Avenue North, 98109 164,030 2018
Amazon Houdini North 399 Fairview Avenue North, 98109 382,389 2017
The Alexandria Center 400 Dexter Avenue North, 98109 290,111 2017
Amazon Houdini South 307 Fairview Avenue North, 98109 397,500 2016
Urban Union 501 Fairview Avenue North, 98109 295,793 2016
400 Fairview 400 Fairview Avenue North, 98109 345,048 2015
400 9th Avenue North 400 9th Avenue North, 98109 318,689 2015
Amazon.com - Phase VIII 325 9th Avenue North, 98109 311,814 2015
Allen Institute 601 Westlake Avenue North, 98109 272,000 2015

South Lake Union Demographics

Population

  • Total Population27,002
  • Male Population(51.7 %) 13,959
  • Female Population(48.3 %) 13,043
  • Median Age32.00

Income/Financial

  • Average Household Income$127,169
  • Median Household Income$95,719
  • Median Income Under 25$64,602
  • Median Income 25-44$106,113
  • Median Income 45-64$92,813
  • Median Income Over 65$61,233