6734 Mary Ave NW, Seattle, WA 98117

Multifamily · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: townhomes, 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 AI estimate from public imagery; may be outdated.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 5,391 reachable multifamily buildings in Seattle. Larger than 33% of multifamily buildings in Seattle (median 9,444 SF), derived from assessor records.

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Building size: 6,196 SF, King County Assessor
Lot size: 5,096 SF, King County Assessor
Year built: 1985, King County Assessor
Stories: 3, King County Assessor
Predominant use: 8 Unit Apartment, King County Assessor
Units: 8, King County Assessor
Assessed value: $2,254,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $363.78/SF, derived from assessor records
Lot coverage: 122%, derived from assessor records
Vintage: 1980s vintage
Zoning: LR2 (M), King County
County use code: Apartment
Construction (observed): wood frame, AI estimate from public imagery
Parking (observed): none visible, 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.

6748 Mary Ave NW, Seattle · 0 mi · 10,276 SF · built 1985 · assessed $297.41/SF
6714 15th Ave NW, Seattle · 0.1 mi · 4,224 SF · built 1956 · assessed $325.05/SF
1403 NW 70th St, Seattle · 0.1 mi · 3,202 SF · built 1917 · assessed $281.86/SF
6721 15th Ave NW, Seattle · 0.1 mi · 5,674 SF · built 1958 · assessed $365.70/SF
1460 NW 70th St, Seattle · 0.1 mi · 3,873 SF · built 1908 · assessed $342.45/SF
1418 NW 70th St, Seattle · 0.1 mi · 1,946 SF · built 1926 · assessed $478.31/SF

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Sale history and market context

MakeMe Estimate: $2,358,078 (estimated market value), with a likely range of $2,093,236 to $2,689,911 (half of recent verified sales in this segment landed inside that range). Based on 667 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works. About $295K per unit at the midpoint (8 units).

Current ownership dates to 1990 (about 36 years) per recorded transfers.

2012-10-04: transfer from Private party to Mary Avenue Apartments LLC (part of a 2-parcel sale; price is the whole deal), rec. 20121012000665

1990-06-27: $550,000 from Private party to Private party (part of a 2-parcel sale; price is the whole deal), rec. 199006292367

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 $1,011,000 (2011) to $2,254,000 (2026), up 123% over 15 years, per county tax rolls. The 2026 roll splits $2,254,000 into $1,044,600 land and $1,209,400 improvements.

Zoning: LR2 (M) (per King County)

Lot: 5,096 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Multiple Residence (Low Rise) 6,196 SF (county building sections)

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