4800 Denver Ave S, Seattle, WA 98134

Small-Bay Industrial · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: large warehouse. AI estimate from public imagery. In recent public imagery (2026-06), the building appears well maintained. AI estimate from public imagery; may be outdated.

One of 1,229 reachable small-bay industrial buildings in Seattle. Larger than 75% of small-bay industrial buildings in Seattle (median 14,469 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: 30,000 SF, King County Assessor
Lot size: 157,248 SF, King County Assessor
Year built: 1960, King County Assessor
Stories: 1, King County Assessor
Predominant use: Warehouse, King County Assessor
Assessed value: $9,453,400, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $315.11/SF, derived from assessor records
Lot coverage: 19%, derived from assessor records
Vintage: 1960s vintage
Zoning: MML U/85, King County
County use code: Warehouse
Construction (observed): tilt up, 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.

210 S Hudson St, Seattle · 0.1 mi · 221,335 SF · built 2009 · assessed $212.64/SF
4930 3rd Ave S, Seattle · 0.1 mi · 37,247 SF · built 1964 · assessed $230.79/SF
4786 1st Ave S, Seattle · 0.1 mi · 234,233 SF · built 1937 · assessed $220.78/SF
5000 1st Ave S, Seattle · 0.2 mi · 48,890 SF · built 1941 · assessed $172.97/SF
4747 1st Ave S, Seattle · 0.2 mi · 17,461 SF · built 1955 · assessed $216/SF
5055 4th Ave S, Seattle · 0.2 mi · 28,500 SF · built 1949 · assessed $257.08/SF

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: $11,357,352 (estimated market value), with a likely range of $9,793,755 to $12,670,667 (half of recent verified sales in this segment landed inside that range). Based on 96 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 2008-10-30 for $5,000,000 (recorded arm's-length sale).

Current ownership dates to 2008 (about 18 years) per recorded transfers.

2008-10-30: $5,000,000 from Hric I LLC to 4800 Denver LLC, rec. 20081031000282

2001-12-31: transfer from Hill-Raaum Investment Company to Hric I LLC (non-market transfer), rec. 20020204002243

1991-10-31: $2,200,000 from Private party to Hill-Raaum Investment CO, rec. 199111121277

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 $5,414,600 (2011) to $9,453,400 (2026), up 75% over 15 years, per county tax rolls. The 2026 roll splits $9,453,400 into $8,648,600 land and $804,800 improvements.

Zoning: MML U/85 (per King County)

Lot: 157,248 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Floor and use mix: Warehouse, Distribution 28,075 SF; Office Building 1,925 SF (county building sections)

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