18404 102nd Ave NE, Bothell, WA 98011

Office · Bothell · Seattle-Bellevue metro, WA

Imagery suggests: community building. 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 AI estimate from public imagery; may be outdated.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 55 reachable office buildings in Bothell. Larger than 20% of office buildings in Bothell (median 17,506 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: 4,055 SF, King County Assessor
Lot size: 7,200 SF, King County Assessor
Year built: 1943, King County Assessor
Stories: 1, King County Assessor
Predominant use: Office And Warehouse, King County Assessor
Assessed value: $990,600, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $244.29/SF, derived from assessor records
Lot coverage: 56%, derived from assessor records
Vintage: 1940s vintage
Zoning: DN, King County
County use code: Office Building
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): street only, 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.

10316 NE 185th St, Bothell · 0.1 mi · 2,632 SF · built 1998 · assessed $400/SF
10308 NE 183rd St, Bothell · 0.1 mi · 2,800 SF · built 1920 · assessed $400/SF
18422 103rd Ave NE, Bothell · 0.1 mi · 2,664 SF · built 1995 · assessed $246.06/SF
10404 Beardslee Blvd, Bothell · 0.1 mi · 3,506 SF · built 2009 · assessed $339.42/SF
10025 NE 186th St, Bothell · 0.1 mi · 14,826 SF · built 2000 · assessed $315.41/SF
10031 Main St, Bothell · 0.1 mi · 3,247 SF · built 1964 · assessed $138.07/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: $1,279,842 (estimated market value), with a likely range of $1,246,315 to $1,691,023 (half of recent verified sales in this segment landed inside that range). Based on 185 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 2011-03-30 for $850,000 (recorded arm's-length sale).

Current ownership dates to 2011 (about 15 years) per recorded transfers.

2011-03-30: $850,000 from Worthington Building LLC to Monahan Holdings LLC, rec. 20110429001750

2007-12-26: transfer from Private party to Private party (non-market transfer), rec. 20080122000216

2007-06-26: $800,000 from Private party to Worthington Building LLC, rec. 20070629003809

1991-01-25: $260,000 from First Church of Christ Science to Private party, rec. 199102010304

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 $645,300 (2011) to $990,600 (2026), up 54% over 15 years, per county tax rolls. The 2026 roll splits $990,600 into $864,000 land and $126,600 improvements.

Zoning: DN (per King County)

Lot: 7,200 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 3,630 SF; Storage Warehouse 425 SF (county building sections)

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