18400 NE Union Hill Rd, Redmond, WA 98052
Office · Redmond · Seattle-Bellevue metro, WA
Imagery suggests: mid-rise office, 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 AI estimate from public imagery; may be outdated.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 72 reachable office buildings in Redmond. Larger than 89% of office buildings in Redmond (median 14,022 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
- 274,848 SF, King County Assessor
- Lot size
- 654,048 SF, King County Assessor
- Year built
- 2000, King County Assessor
- Stories
- 3, King County Assessor
- Buildings on parcel
- 3, King County Assessor
- Predominant use
- Building C, King County Assessor
- Assessed value
- $101,458,700, per the King County Assessor (not a market appraisal)
- Assessed value per building SF
- $369.14/SF, derived from assessor records
- Lot coverage
- 42%, derived from assessor records
- Vintage
- 2000s vintage
- Zoning
- BP, King County
- County use code
- Office Building
- Construction (observed)
- steel glass, 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.
- 18500 NE Union Hill Rd, Redmond · 0.1 mi · 253,657 SF · built 2013 · assessed $149.06/SF
- 18600 NE Union Hill Rd, Redmond · 0.2 mi · 82,450 SF · built 2000 · assessed $368.21/SF
- 18700 NE Union Hill Rd, Redmond · 0.3 mi · 89,800 SF · built 2000 · assessed $368.97/SF
- 17602 NE Union Hill Rd, Redmond · 0.5 mi · 16,634 SF · built 2002 · assessed $327.60/SF
- 7241 185th Ave NE, Redmond · 0.5 mi · 120,666 SF · built 1991
- 7004 180th Ave NE, Redmond · 0.7 mi · 1,760 SF · built 1958 · assessed $361.88/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.