Office in the Seattle-Bellevue metro

3,018 owner-reachable buildings

makeme1031 covers 3,018 office properties across the Seattle-Bellevue metro, spanning Seattle (957), Bellevue (308), Renton (227), Kent (200), Federal Way (171), Kirkland (146), Auburn (142), Burien (127), Tukwila (83), Issaquah (79), Redmond (72), Enumclaw (69), Bothell (55), Shoreline (46), Des Moines (43), Seatac (34), Maple Valley (25), Vashon (22), Woodinville (21), North Bend (21), Snoqualmie (19), Mercer Island (18), Kenmore (17), Covington (17), Lake Forest Park (11), Sammamish (9), Duvall (8), Black Diamond (7), Newcastle (7), Fall City (6), Algona (5), Orange County (4), Tampa Bay (4), South Florida (4), Normandy Park (4), Spokane Valley (3), Carnation (3), Kent Valley (2), Bellevue / Eastside (2), South Seattle / SoDo (2), Inland Empire (2), Central Valley (2), East Bay (2), Sacramento Metro (2), Orlando (2), Jacksonville (2), Ravensdale (2), Pacific (2), Medina (1), King County (1), each shown as a reachable, owner-direct, off-market opportunity. The median assessed value is $2,427,700 per the King County Assessor (a county figure, not a market appraisal), and the median building is about 10,126 square feet. Around 63% of the classified office parcels read as multi-tenant from our AI vision of current imagery. This is the only place to reach the owner of any office building in the metro, real King County Assessor facts plus a proprietary "what we see" AI classification on every parcel, and one button to start a private, direct conversation with the owner of record. Browse the highest-value office buildings below, or focus on a single city. Principals only.

Market facts

Comparable Office buildings across the county trade around $171 per building square foot (212 verified sales).

Recent verified Office sales countywide ran about 1.22x the county appraised value (252 sales). Our estimates are not an appraisal.

111 verified arm's-length sales recorded here in the last 24 months, median $2.17M.

Source: King County recorded sales and tax rolls, through 2026-05-29.

1100 FAIRVIEW AVE NSeattle, WA · Office600,014 SF · $536,764,700 assessed555 108TH AVE NEBellevue, WA · Office1,477,855 SF · $398,637,000 assessed700 DEXTER AVE NSeattle, WA · Office740,371 SF · $398,206,900 assessed411 COLUMBIA STSeattle, WA · Office1,952,220 SF · $377,456,000 assessed601 UNION STSeattle, WA · Office1,607,844 SF · $365,997,600 assessed10450 NE 10TH STBellevue, WA · Office1,260,218 SF · $355,949,000 assessed1201 3RD AVESeattle, WA · Office1,413,575 SF · $324,328,000 assessed1920 TERRY AVESeattle, WA · Office512,883 SF · $305,469,200 assessed2100 7TH AVESeattle, WA · Office1,599,394 SF · $265,945,700 assessed633 110TH AVE NEBellevue, WA · Office1,676,169 SF · $264,547,800 assessed2101 7TH AVESeattle, WA · Office1,599,230 SF · $254,486,000 assessed850 REPUBLICAN STSeattle, WA · Office436,497 SF · $252,045,000 assessed1420 5TH AVESeattle, WA · Office1,545,072 SF · $251,169,000 assessed505 MADISON STSeattle, WA · Office990,000 SF · $243,212,000 assessed355 110TH AVE NEBellevue, WA · Office1,154,307 SF · $237,558,000 assessed1201 2ND AVESeattle, WA · Office899,127 SF · $232,320,000 assessed333 DEXTER AVE NSeattle, WA · Office957,631 SF · $226,604,000 assessed10500 NE 8TH STBellevue, WA · Office1,225,166 SF · $226,038,000 assessed999 3RD AVESeattle, WA · Office1,325,986 SF · $224,971,000 assessed400 DEXTER AVE NSeattle, WA · Office443,118 SF · $217,869,000 assessed1045 LAKE DRIssaquah, WA · Office1,751,285 SF · $216,792,000 assessed2001 WESTLAKE AVESeattle, WA · Office1,484,180 SF · $216,555,000 assessed333 108TH AVE NEBellevue, WA · Office781,324 SF · $212,713,000 assessed925 4TH AVESeattle, WA · Office1,052,469 SF · $211,477,000 assessed

Principals only. makeme1031 does not represent buyers or sellers. Buildings shown are public-record parcels, not listings; owners have not advertised them for sale. We never publish an owner's identity or contact details; owner location is shown only as city/state. Assessed values are per the King County Assessor and are not a market appraisal. This is not investment, legal, or tax advice.