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Single Family ResidenceResidential
$904,408$288 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $699,800 on Feb 14, 2018

12820 SW WALNUT ST

PORTLAND, OR 97223
3
Beds
3
Baths
3,144 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.
1.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$904K
$872K low$937K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$699,800 · Feb 14, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,302 (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.$567,650 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$551,120
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,117,610

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.55
79
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
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.
95
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.69 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1998
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 288 ft²Patio · 700 ft²

Transaction History(3)

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
Mary Woodward Elementary SchoolA-
Elementary · Grades KG–5 · 0.6 mi
M
Fowler Middle SchoolC
Middle · Grades 6–8 · 1.0 mi
H
Tigard High SchoolC
High · Grades 9–12 · 2.5 mi

District: Tigard-Tualatin School District

Neighborhood · ZIP 97223These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.189

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.50,355
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,484 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,394
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,704
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

12820 Sw Walnut 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 more than 96% of homes in Portland 97223
  • Bigger than 91% of homes in Portland 97223
  • Among the largest lots in Portland 97223
  • Older than 77% of homes in Washington County

What homes are worth in Portland 97223

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

This home
$256K$1M

This home is worth more than 96% of homes in Portland 97223.

How it measures up in Portland 97223

The dot is this home. The mark in the middle is the typical home in Portland 97223.

Estimated value$904,408
CheaperTypical $575,963Pricier

Pricier than 96% of homes nearby

Price per ft²$288
CheaperTypical $309Pricier

Pricier than 36% of homes nearby

Living area3,144 ft²
SmallerTypical 1,820 ft²Bigger

Bigger than 91% of homes nearby

Lot size1.7 ac
SmallerTypical 0.18 acBigger

Bigger than almost all homes nearby

Year built1973
OlderTypical 1985Newer

Newer than 32% of homes nearby

How 12820 Sw Walnut St ranks against every home in each area.
MeasureThis homePortland 97223Washington County
Estimated valuepricier than$904,40896% of homes93% of homes
Price per ft²pricier than$28836% of homes41% of homes
Living areabigger than3,144 ft²91% of homes91% of homes
Lot sizebigger than1.7 acalmost all homes96% of homes
Year builtnewer than197332% of homes23% of homes

About 12820 Sw Walnut St

How much is 12820 Sw Walnut St, Portland, OR worth?

The TopHap Estimate for 12820 Sw Walnut St, Portland, OR is $904,408 as of Sep 24, 2026. The likely range is $871,938 to $936,878. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12820 Sw Walnut St, Portland, OR last sell?

12820 Sw Walnut St, Portland, OR last sold on Feb 14, 2018 for $699,800, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 12820 Sw Walnut St, Portland, OR?

12820 Sw Walnut St, Portland, OR has 3 bedrooms, 3 bathrooms and 3,144 square feet of living space.

When was 12820 Sw Walnut St, Portland, OR built?

12820 Sw Walnut St, Portland, OR was built in 1973, making it 53 years old.

What schools serve 12820 Sw Walnut St, Portland, OR?

12820 Sw Walnut St, Portland, OR is assigned to Mary Woodward Elementary School (elementary), rated A-; Fowler Middle School (middle), rated C; Tigard High School (high), rated C. All sit in Tigard-Tualatin School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12820 Sw Walnut St, Portland, OR compare to other homes in Portland 97223?

Among the 14,671 homes in Portland 97223, it is worth more than 96% of them ($904,408 against a typical $575,963), its price per square foot is higher than 36% of them ($288 against a typical $309), it is bigger than 91% of them (3,144 ft² against a typical 1,820 ft²), its lot is bigger than almost all of them (1.7 ac against a typical 0.18 ac) and it is newer than 32% of them (1973 against a typical 1985). Measured against all of Washington County, it is worth more than 93% 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 12820 Sw Walnut St, Portland, OR?

The 2025 property tax bill for 12820 Sw Walnut St, Portland, OR was $10,302. The county assessed it at $567,650.

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Assigned schools

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