18207 1st Ave S, Normandy Park, WA 98148

Multifamily · Normandy Park · Seattle-Bellevue metro, WA

One of 10 reachable multifamily buildings in Normandy Park. Larger than 90% of multifamily buildings in Normandy Park (median 22,249 SF), derived from assessor records.

Usable building area
41,020 SF, King County Assessor
County gross area
42,396 SF, King County Assessor
Excluded area
1,376 SF outside primary usable area
Lot size
100,188 SF, King County Assessor
Year built
1975, King County Assessor
Stories
2, King County Assessor
Predominant use
56-Unit Apt Complex, King County Assessor
Units
56, King County Assessor
Assessed value
$10,762,000, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$262.36/SF, derived from assessor records
Usable area / lot
0.41, derived from assessor records
Vintage
1970s vintage
Zoning
RM-1800, King County
County use code
Apartment

Nearby comparable buildings

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

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Sale history and market context

MakeMe Estimate: $10.4M (estimated market value), with a likely range of $9.3M to $11.9M (half of recent verified sales in this segment landed inside that range). Based on 8 verified arm's-length comparable sales (through 2026-06-01). Not an appraisal. How this estimate works. About $187K per unit at the midpoint (56 units).

moderate confidence: 6 comparable sales within 3 miles; nearest 0.5 mi.

Comparable sales used as evidence

Recorded arm's-length sales of similar buildings nearby; nearer and more recent sales rank first. The strongest 5 of 6 nearby verified sales are shown. Buyer and seller names are withheld. Get this data via API.

Last sold: 1999-05-03 for $1,840,000 (recorded arm's-length sale).

Current ownership dates to 1999 (about 27 years) per recorded transfers.

Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

$0$5M$10M$15M201120142017202020232026$10.4M$10.8MCounty assessed valueMakeMe Estimate range

Dark line: county assessed value per King County tax rolls. Blue line: our estimate; dashed years are a modeled backcast built from recorded arm's-length sales in the building's segment, not estimates published at the time, and years without enough sales stay unmodeled. The shaded range is the model's measured error band; about half of verified sales in the segment land inside it. Diamonds: recorded arm's-length sales. Not an appraisal. How this estimate works.

Land, site, and value history

Assessed value moved from $3,663,000 (2011) to $10,762,000 (2026), up 194% over 15 years, per county tax rolls. The 2026 roll splits $10,762,000 into $1,653,100 land and $9,108,900 improvements.

Taxes