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Single Family ResidenceResidential
$568,650$354 / 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 88How 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 $101,000 on May 23, 2022

21540 SW 78TH AVE

TUALATIN, OR 97062
5
Beds
2
Baths
1,608 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.
7.58 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$569K
$499K low$639K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$101,000 · May 23, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,671 (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.$374,270 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$363,460
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$610,980

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.51
53
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
27
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
41
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.17 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
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Baseboard
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 · 360 ft²Patio · 360 ft²Porch · 192 ft²

Transaction History(10)

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

Foreclosure Filings(3)

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

E
Byrom Elementary SchoolB
Elementary · Grades PK–5 · 0.7 mi
H
Tualatin High SchoolC-
High · Grades 9–12 · 0.8 mi
M
Hazelbrook Middle SchoolD+
Middle · Grades 6–8 · 2.7 mi

District: Tigard-Tualatin School District

Neighborhood · ZIP 97062These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.183

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.29,385
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,046 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,053
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,327
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

21540 Sw 78th Ave 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.

  • Costs more per square foot than 82% of homes in Tualatin 97062
  • Smaller than 72% of homes in Tualatin 97062
  • Among the largest lots in Tualatin 97062
  • Older than 97% of homes in Tualatin 97062

What homes are worth in Tualatin 97062

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

This home
$265K$1.7M

This home is worth more than 37% of homes in Tualatin 97062.

How it measures up in Tualatin 97062

The dot is this home. The mark in the middle is the typical home in Tualatin 97062.

Estimated value$568,650
CheaperTypical $620,371Pricier

Pricier than 37% of homes nearby

Price per ft²$354
CheaperTypical $297Pricier

Pricier than 82% of homes nearby

Living area1,608 ft²
SmallerTypical 2,060 ft²Bigger

Bigger than 28% of homes nearby

Lot size7.58 ac
SmallerTypical 0.18 acBigger

Bigger than almost all homes nearby

Year built1960
OlderTypical 1990Newer

Newer than 3% of homes nearby

How 21540 Sw 78th Ave ranks against every home in each area.
MeasureThis homeTualatin 97062Washington County
Estimated valuepricier than$568,65037% of homes53% of homes
Price per ft²pricier than$35482% of homes79% of homes
Living areabigger than1,608 ft²28% of homes39% of homes
Lot sizebigger than7.58 acalmost all homesalmost all homes
Year builtnewer than19603% of homes10% of homes

About 21540 Sw 78th Ave

How much is 21540 Sw 78th Ave, Tualatin, OR worth?

The TopHap Estimate for 21540 Sw 78th Ave, Tualatin, OR is $568,650 as of Aug 30, 2026. The likely range is $498,757 to $638,543. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21540 Sw 78th Ave, Tualatin, OR last sell?

21540 Sw 78th Ave, Tualatin, OR last sold on May 23, 2022 for $101,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 21540 Sw 78th Ave, Tualatin, OR?

21540 Sw 78th Ave, Tualatin, OR has 5 bedrooms, 2 bathrooms and 1,608 square feet of living space.

When was 21540 Sw 78th Ave, Tualatin, OR built?

21540 Sw 78th Ave, Tualatin, OR was built in 1960, making it 66 years old.

What schools serve 21540 Sw 78th Ave, Tualatin, OR?

21540 Sw 78th Ave, Tualatin, OR is assigned to Byrom Elementary School (elementary), rated B; Tualatin High School (high), rated C-; Hazelbrook Middle School (middle), rated D+. All sit in Tigard-Tualatin School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21540 Sw 78th Ave, Tualatin, OR compare to other homes in Tualatin 97062?

Among the 7,845 homes in Tualatin 97062, it is worth more than 37% of them ($568,650 against a typical $620,371), its price per square foot is higher than 82% of them ($354 against a typical $297), it is bigger than 28% of them (1,608 ft² against a typical 2,060 ft²), its lot is bigger than almost all of them (7.58 ac against a typical 0.18 ac) and it is newer than 3% of them (1960 against a typical 1990). Measured against all of Washington County, it is worth more than 53% 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 21540 Sw 78th Ave, Tualatin, OR?

The 2025 property tax bill for 21540 Sw 78th Ave, Tualatin, OR was $5,671. The county assessed it at $374,270.

More homes on Sw 78th Ave

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