2500 S 370th St, Federal Way, WA 98003

Commercial · Federal Way · Seattle-Bellevue metro, WA

Imagery suggests: manufactured housing community, appears multi-tenant. AI estimate from public imagery. In recent public imagery (2026-06), the building appears serviceable with visible wear. AI estimate from public imagery; may be outdated.

One of 118 reachable commercial buildings in Federal Way.

Own this building?

Claim privately

Claiming is for you. Your mailing address is never shown; no offer reaches you unless you opt in.

Claimed owners can confirm facts, watch the estimate, and decide whether to reply.

Claim or manage this building

Building size (estimated): 413,472 SF, estimated from lot coverage
Lot size: 1,033,679 SF, King County Assessor
Assessed value: $31,876,100, per the King County Assessor (not a market appraisal)
Zoning: R-6, King County
County use code: Mobile Home Park
Stories (observed): 1, AI estimate from public imagery
Parking (observed): surface lot, AI estimate from public imagery
Frontage (observed): interior, AI estimate from public imagery

Nearby comparable buildings

Same building type, by distance. Assessor facts only; not an opinion of value.

2525 S 371st Pl, Federal Way · 0.4 mi · 236,095 SF
2926 S 368th St, Federal Way · 0.5 mi · 2,364 SF · built 1953 · assessed $275/SF
37301 28th Ave S, Federal Way · 0.5 mi · 5,684 SF · built 1986 · assessed $1,360/SF
3015 S 368th St, Federal Way · 0.5 mi · 47,446 SF · built 1992
35999 16th Ave S, Federal Way · 0.6 mi · 160,517 SF · built 2003
1688 S 348th St, Federal Way · 1.2 mi · 58,600 SF · built 1982

Want to talk to the owner? makeme1031 delivers a private, principal-to-principal letter to the owner of record. We never publish the owner's identity or address.

Sale history and market context

MakeMe Estimate: $39,855,531 (estimated market value), with a likely range of $33,773,494 to $48,729,666 (half of recent verified sales in this segment landed inside that range). Based on 139 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 1997 (about 29 years) per recorded transfers.

1999-11-10: $3,300 from MHC Kloshe Illahee LLC to State of Washington (non-market transfer), rec. 19991207001606

1999-06-11: transfer from MHC Operating Limited Partnership to MHC Kloshee Illahee LLC (part of a 4-parcel sale; price is the whole deal), rec. 19990702000923

1997-08-25: $9,842,750 from Private party to MHC Operating LTD Partnership (part of a 4-parcel sale; price is the whole deal), rec. 199708292793

Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

Solid line: county appraised value per King County tax rolls. Shaded range: our modeled estimate for each year, built from recorded arm's-length sales in the building's segment; years without enough sales stay unmodeled. Dots: recorded arm's-length sales. Not an appraisal. How this estimate works.

Land, site, and value history

Assessed value moved from $5,435,600 (2011) to $31,876,100 (2026), up 486% over 15 years, per county tax rolls. The 2026 roll splits $31,876,100 into $4,393,100 land and $27,483,000 improvements.

Zoning: R-6 (per King County)

Lot: 1,033,679 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

County districts report (schools, fire, sewer, council; on kingcounty.gov)

Permit history

2023-09-14: Other, declared value $3,000 (Screened), permit MECH23-0626

2023-01-17: Remodel, declared value $950,000 (Complete), permit ADDC22-0759

2013-08-08: Building, New (Complete), permit DWEL13-0161

2012-04-25: Building, New (Screened), permit B12L0176

Source: King County permit records (newest first).