1600 S Graham St, Seattle, WA 98108

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: low-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 AI estimate from public imagery; may be outdated.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 957 reachable office buildings in Seattle. Larger than 27% of office buildings in Seattle (median 20,410 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: 6,237 SF, King County Assessor
Lot size: 13,595 SF, King County Assessor
Year built: 1991, King County Assessor
Stories: 2, King County Assessor
Predominant use: Office, King County Assessor
Assessed value: $1,263,200, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $202.53/SF, derived from assessor records
Lot coverage: 46%, derived from assessor records
Vintage: 1990s vintage
Zoning: MML U/85, King County
County use code: Office Building
Construction (observed): wood frame, AI estimate from public imagery
Parking (observed): surface lot, AI estimate from public imagery

Nearby comparable buildings

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

1516 S Graham St, Seattle · 0 mi · 2,625 SF · built 1900 · assessed $638.25/SF
6264 Stanley Ave S, Seattle · 0.1 mi · 7,488 SF · built 1980 · assessed $88.88/SF
6200 13th Ave S, Seattle · 0.2 mi · 11,246 SF · built 1913 · assessed $213.84/SF
6010 Airport Way S, Seattle · 0.2 mi · 5,593 SF · built 1910 · assessed $135.15/SF
1200 S Angelo St, Seattle · 0.3 mi · 4,973 SF · built 1983 · assessed $244.62/SF
1112 S Bailey St, Seattle · 0.3 mi · 6,094 SF · built 1955 · assessed $657.42/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: $1,605,574 (estimated market value), with a likely range of $1,563,514 to $2,121,405 (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: 2024-01-05 for $1,200,000 (recorded arm's-length sale).

Current ownership dates to 2024 (about 2 years) per recorded transfers.

2024-01-05: $1,200,000 from Private party to Hek Enterprises LLC, rec. 20240108000029

3 administrative transfers (no consideration), 2000 to 2000

2000-10-09: $975,000 from Yun Building Associates to Private party, rec. 20001012000697

2 administrative transfers (no consideration), 2000 to 2000

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 $1,298,500 (2011) to $1,263,200 (2026), down 3% over 15 years, per county tax rolls. The 2026 roll splits $1,263,200 into $679,700 land and $583,500 improvements.

Zoning: MML U/85 (per King County)

Lot: 13,595 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 4,348 SF; Basement, Office 1,889 SF (county building sections)

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

Permit history

2024-06-26: Electrical, declared value $750 (Screened), permit 7032818-EL

2024-04-24: Electrical, declared value $2,700 (Screened), permit 7021505-EL

2024-04-09: Other, declared value $800 (Screened), permit 7018943-RF

2024-04-09: Electrical, declared value $800 (Screened), permit 7018938-EL

2023-05-04: Electrical, declared value $300 (Screened), permit 6962812-EL

Source: King County permit records (newest first).