23801 228th Ave SE, Maple Valley, WA 98038

Commercial · Maple Valley · Seattle-Bellevue metro, WA

Imagery suggests: mid-rise apartment complex, appears multi-tenant. 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 AI estimate from public imagery; may be outdated.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 27 reachable commercial buildings in Maple Valley. Larger than 93% of commercial buildings in Maple Valley (median 17,880 SF), derived from assessor records.

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Building size: 180,641 SF, King County Assessor
Lot size: 223,463 SF, King County Assessor
Year built: 2024, King County Assessor
Stories: 4, King County Assessor
Predominant use: Bonaventure Senior Housing Il, Al, Mc, King County Assessor
Units: 164, King County Assessor
Assessed value: $40,530,900, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $224.37/SF, derived from assessor records
Lot coverage: 81%, derived from assessor records
Vintage: 2020s vintage
Zoning: R-24, King County
County use code: Retirement Facility
Construction (observed): wood frame, AI estimate from public imagery
Parking (observed): surface lot, AI estimate from public imagery
Frontage (observed): mid block, AI estimate from public imagery

Nearby comparable buildings

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

23730 Maple Valley Black Diamond Rd SE, Maple Valley · 0.2 mi · 4,056 SF · built 1968 · assessed $112.52/SF
24200 224th Ave SE, Maple Valley · 0.3 mi · 55,338 SF · built 2002 · assessed $160.91/SF
22429 SE 231st St, Maple Valley · 0.4 mi · 224 SF · built 1997 · assessed $3,096/SF
24216 Witte Rd SE, Maple Valley · 0.5 mi · 93,019 SF · built 2017
22225 SE 231st St, Maple Valley · 0.5 mi · 12,821 SF · built 1987
22040 SE Wax Rd, Maple Valley · 0.6 mi · 6,032 SF · built 1992 · assessed $244.99/SF

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Sale history and market context

MakeMe Estimate: $43,815,690 (estimated market value), with a likely range of $37,129,324 to $53,012,810 (half of recent verified sales in this segment landed inside that range). Based on 33 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 2018-06-13 for $3,847,500 (recorded arm's-length sale).

Current ownership dates to 2018 (about 8 years) per recorded transfers.

2018-06-13: $3,847,500 from Integrity Land LLC to MWSH Maple Valley LLC, rec. 20180613001281

2018-06-01: transfer from Integrity Land LLC to Maple Valley City of (part of a 2-parcel sale; price is the whole deal), rec. 20180613000695

2017-06-14: $8,138,029 from Brandt Properties LLC to Integrity Land LLC (part of a 7-parcel sale; price is the whole deal), rec. 20170615000736

2003-03-06: transfer from Private party to Brandt Properties LLC (non-market transfer), rec. 20030606001414

2000-02-07: $2 from Private party to Maple Valley City of (part of a 5-parcel sale; price is the whole deal), rec. 20000210000395

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 $667,300 (2011) to $40,530,900 (2026), up 5974% over 15 years, per county tax rolls. The 2026 roll splits $40,530,900 into $4,134,000 land and $36,396,900 improvements.

Zoning: R-24 (per King County)

Lot: 223,463 sq ft

Water: Water District (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Home For The Elderly 180,641 SF (county building sections)

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

Permit history

2024-03-05: Building, New, declared value $143,777 (Complete), permit BLD-23-135

2024-03-05: Building, New, declared value $143,777 (Complete), permit BLD-23-134

2024-03-05: Building, New, declared value $110,597 (Complete), permit BLD-23-136

2024-03-05: Building, New, declared value $77,418 (Complete), permit BLD-23-137

2024-03-05: Building, New, declared value $27,308 (Complete), permit BLD-23-138

2023-06-07: Building, New, declared value $10,000 (Screened), permit BLD-23-42

2023-06-01: Building, New, declared value $10,000 (Screened), permit BLD-23-43

2023-02-24: Other (Screened), permit SGN-21-20

2023-02-08: Building, New, declared value $10,000 (Screened), permit BLD-23-7

2022-02-17: Building, New, declared value $22,226,215 (Complete), permit BLD-17-91

Source: King County permit records (newest first).