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Single Family ResidenceResidential
$527,397$294 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $523,404 on Jun 14, 2019

15031 NW COSMOS ST

PORTLAND, OR 97229
3
Beds
3
Baths
1,793 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
3,049 ft²
Lot SizeThe size of the land the home sits on, from county records.
2019
Year BuiltThe year the home was originally built, according to county records.

Valuation

$527K
$511K low$544K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$523,404 · Jun 14, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,445 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$370,670 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$359,880
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$604,910

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
36
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
39
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
38
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.0.07
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Sato Elementary SchoolA
Elementary · Grades KG–5 · 0.3 mi
M
Stoller Middle SchoolA-
Middle · Grades 6–8 · 1.2 mi
H
Westview High SchoolB+
High · Grades 9–12 · 2.3 mi

District: Beaverton School District 48j

Neighborhood · ZIP 97229These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.184

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.71,988
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,557 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$149,188
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$174,136
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.48%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

15031 Nw Cosmos St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 80% of homes in Portland 97229
  • Smaller than 73% of homes in Portland 97229
  • Has a smaller lot than 87% of homes in Portland 97229
  • Newer than 94% of homes in Washington County

What homes are worth in Portland 97229

Each bar is how many homes fall in that price range. The marker is this home.

This home
$232K$1.5M

This home is worth more than 20% of homes in Portland 97229.

How it measures up in Portland 97229

The dot is this home. The mark in the middle is the typical home in Portland 97229.

Estimated value$527,397
CheaperTypical $725,225Pricier

Pricier than 20% of homes nearby

Price per ft²$294
CheaperTypical $302Pricier

Pricier than 43% of homes nearby

Living area1,793 ft²
SmallerTypical 2,400 ft²Bigger

Bigger than 27% of homes nearby

Lot size3,049 ft²
SmallerTypical 0.15 acBigger

Bigger than 13% of homes nearby

Year built2019
OlderTypical 1998Newer

Newer than 93% of homes nearby

How 15031 Nw Cosmos St ranks against every home in each area.
MeasureThis homeSommerset West - Elmonica NPortland 97229Washington County
Estimated valuepricier than$527,39721% of homes20% of homes43% of homes
Price per ft²pricier than$29449% of homes43% of homes46% of homes
Living areabigger than1,793 ft²31% of homes27% of homes50% of homes
Lot sizebigger than3,049 ft²15% of homes13% of homes14% of homes
Year builtnewer than201993% of homes93% of homes94% of homes

About 15031 Nw Cosmos St

How much is 15031 Nw Cosmos St, Portland, OR worth?

The TopHap Estimate for 15031 Nw Cosmos St, Portland, OR is $527,397 as of Aug 30, 2026. The likely range is $511,057 to $543,738. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15031 Nw Cosmos St, Portland, OR last sell?

15031 Nw Cosmos St, Portland, OR last sold on Jun 14, 2019 for $523,404, according to the county's recorded deed.

How big is 15031 Nw Cosmos St, Portland, OR?

15031 Nw Cosmos St, Portland, OR has 3 bedrooms, 3 bathrooms, 1,793 square feet of living space and a 0.07-acre lot.

When was 15031 Nw Cosmos St, Portland, OR built?

15031 Nw Cosmos St, Portland, OR was built in 2019, making it 7 years old.

What schools serve 15031 Nw Cosmos St, Portland, OR?

15031 Nw Cosmos St, Portland, OR is assigned to Sato Elementary School (elementary), rated A; Stoller Middle School (middle), rated A-; Westview High School (high), rated B+. All sit in Beaverton School District 48j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15031 Nw Cosmos St, Portland, OR compare to other homes in Portland 97229?

Among the 24,000 homes in Portland 97229, it is worth more than 20% of them ($527,397 against a typical $725,225), its price per square foot is higher than 43% of them ($294 against a typical $302), it is bigger than 27% of them (1,793 ft² against a typical 2,400 ft²), its lot is bigger than 13% of them (3,049 ft² against a typical 0.15 ac) and it is newer than 93% of them (2019 against a typical 1998). Measured against all of Washington County, it is worth more than 43% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 15031 Nw Cosmos St, Portland, OR?

The 2025 property tax bill for 15031 Nw Cosmos St, Portland, OR was $7,445. The county assessed it at $370,670.

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