5505B Rainier Ave S, Seattle, WA 98118

Commercial · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: residential-style commercial. 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 AI estimate from public imagery; may be outdated.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 1,256 reachable commercial buildings in Seattle. Larger than 4% of commercial buildings in Seattle (median 13,352 SF), derived from assessor records.

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
1,290 SF, King County Assessor
Lot size
516 SF, King County Assessor
Year built
2019, King County Assessor
Stories
3, King County Assessor
Predominant use
Live/Work Townhouse, King County Assessor
Assessed value
$483,750, per the King County Assessor (not a market appraisal)
Assessed value per building SF
$375/SF, derived from assessor records
Lot coverage
250%, derived from assessor records
Vintage
2010s vintage
Zoning
NC2-55 (M), King County
County use code
Townhouse Plat
Construction (observed)
wood frame, AI estimate from public imagery
Parking (observed)
surface lot, AI estimate from public imagery

Nearby comparable buildings

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

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: $633,916 (estimated market value), with a likely range of $537,179 to $775,063 (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.

Last sold: 2021-02-22 for $515,000 (recorded arm's-length sale).

Current ownership dates to 2021 (about 5 years) per recorded transfers.

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

Value over time

$200K$401K$601K$802K20192021202320252026$515KCounty appraised valueEstimated value (modeled range)Recorded sale

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 $47,600 (2019) to $483,750 (2026), up 916% over 7 years, per county tax rolls. The 2026 roll splits $483,750 into $82,500 land and $401,250 improvements.

Taxes