26051 Lawson St, Black Diamond, WA 98010

Commercial · Black Diamond · Seattle-Bellevue metro, WA

One of 26 reachable commercial buildings in Black Diamond. Larger than 50% of commercial buildings in Black Diamond (median 5,035 SF), derived from assessor records.

Usable building area: 5,035 SF, King County Assessor
Lot size: 35,719 SF, King County Assessor
Year built: 2025, King County Assessor
Stories: 1, King County Assessor
Predominant use: Fire Station, King County Assessor
Assessed value: $2,031,100, per the King County Assessor (not a market appraisal)
Assessed value per usable SF: $403.40/SF, derived from assessor records
Usable area / lot: 0.14, derived from assessor records
Vintage: 2020s vintage
Zoning: MPD, King County
County use code: Governmental Service

Nearby comparable buildings

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

25510 Lawson St, Black Diamond · 0.5 mi · 3,950 SF · built 1968
25511 Lawson St, Black Diamond · 0.5 mi · 10,089 SF · built 1985
32523 3rd Ave, Black Diamond · 0.5 mi · 4,800 SF · built 1971 · assessed $98.58/SF
31880 Railroad Ave, Black Diamond · 0.6 mi · 2,561 SF · built 2018 · assessed $349.16/SF
25313 Baker St, Black Diamond · 0.6 mi · 2,200 SF · built 1952
31605 3rd Ave, Black Diamond · 0.6 mi · 6,063 SF · built 1963

Sale history and market context

Last sold: 2025-10-31 for $510,000 (recorded arm's-length sale).

Current ownership dates to 2025 per recorded transfers.

2025-10-31: $510,000 from CCD Black Diamond Partners LLC to City of Black Diamond, rec. 20251103000117

2015-12-22: $30,000,000 from BD Lawson Partners LP to CCD Black Diamond Partners LLC (part of a 113-parcel sale; price is the whole deal), rec.

2006: transferred to BD Lawson Partners LP, no consideration (2 recorded transfers, 2005 to 2006)

2004-05-13: $325,000 from Private party to Yarrow Bay Development LLC (part of a 2-parcel sale; price is the whole deal), rec. 20040517002530

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

Land, site, and value history

Assessed value moved from $145,000 (2011) to $2,031,100 (2026), up 1301% over 15 years, per county tax rolls. The 2026 roll splits $2,031,100 into $178,500 land and $1,852,600 improvements.

Zoning: MPD (per King County)

Lot: 35,719 sq ft

Rated views: Territorial

Nuisance flags: Traffic noise

Water: Water District (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Fire Station (Staffed) 5,035 SF (county building sections)

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

Permit history

2023-07-10: Building, New, declared value $2,496,000 (Complete), permit BLD21-0111

2023-07-10: Plumbing (Complete), permit PLM23-0009

2023-06-30: Building, New, declared value $2,496,000 (Complete), permit BLD21-0111

2023-06-30: Other (Complete), permit MEC23-0029

2023-06-30: Plumbing (Complete), permit PLM23-0009

Source: King County permit records (newest first).

26051 Lawson St, Black Diamond, WA 98010

Nearby comparable buildings

Sale history and market context

Value over time

Land, site, and value history

Taxes

Permit history