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Single Family ResidenceResidential
$438,644$318 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $145,000 on Jul 30, 1999

21640 SW ROCK RD

BEAVERTON, OR 97003
3
Beds
2
Baths
1,379 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.
0.23 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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$439K
$418K low$460K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$145,000 · Jul 30, 1999
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$280,644
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$224,515
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.37%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$158,000
RIVERMARK COMMUNITY CU · recorded Aug 21, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,097 (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.$208,530 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$202,460
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$473,440

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.34
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.
92
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.0.23
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.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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.Patio · 180 ft²

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
Indian Hills Elementary SchoolB-
Elementary · Grades PK–6 · 0.2 mi
M
R. A. Brown Middle SchoolC+
Middle · Grades 7–8 · 0.2 mi
H
Century High SchoolA
High · Grades 9–12 · 0.8 mi

District: Hillsboro School District 1j

Neighborhood · ZIP 97003These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.190

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.2%
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.29,155
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,150 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,086
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,447
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.40 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.48%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

21640 Sw Rock Rd 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 Washington County
  • Smaller than 77% of homes in Washington County
  • Has a bigger lot than 86% of homes in Beaverton 97003
  • Older than 82% of homes in Beaverton 97003

What homes are worth in Beaverton 97003

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

This home
$270K$686K

This home is worth more than 35% of homes in Beaverton 97003.

How it measures up in Beaverton 97003

The dot is this home. The mark in the middle is the typical home in Beaverton 97003.

Estimated value$438,644
CheaperTypical $469,671Pricier

Pricier than 35% of homes nearby

Price per ft²$318
CheaperTypical $304Pricier

Pricier than 58% of homes nearby

Living area1,379 ft²
SmallerTypical 1,490 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.23 ac
SmallerTypical 0.14 acBigger

Bigger than 86% of homes nearby

Year built1973
OlderTypical 1991Newer

Newer than 18% of homes nearby

How 21640 Sw Rock Rd ranks against every home in each area.
MeasureThis homeCooper Mountain - Aloha NorthBeaverton 97003Washington County
Estimated valuepricier than$438,64427% of homes35% of homes20% of homes
Price per ft²pricier than$31857% of homes58% of homes60% of homes
Living areabigger than1,379 ft²29% of homes31% of homes23% of homes
Lot sizebigger than0.23 ac85% of homes86% of homes78% of homes
Year builtnewer than197324% of homes18% of homes23% of homes

About 21640 Sw Rock Rd

How much is 21640 Sw Rock Rd, Beaverton, OR worth?

The TopHap Estimate for 21640 Sw Rock Rd, Beaverton, OR is $438,644 as of Jul 14, 2026. The likely range is $417,547 to $459,741. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21640 Sw Rock Rd, Beaverton, OR last sell?

21640 Sw Rock Rd, Beaverton, OR last sold on Jul 30, 1999 for $145,000, according to the county's recorded deed.

How big is 21640 Sw Rock Rd, Beaverton, OR?

21640 Sw Rock Rd, Beaverton, OR has 3 bedrooms, 2 bathrooms, 1,379 square feet of living space and a 0.23-acre lot.

When was 21640 Sw Rock Rd, Beaverton, OR built?

21640 Sw Rock Rd, Beaverton, OR was built in 1973, making it 53 years old.

What schools serve 21640 Sw Rock Rd, Beaverton, OR?

21640 Sw Rock Rd, Beaverton, OR is assigned to Indian Hills Elementary School (elementary), rated B-; R. A. Brown Middle School (middle), rated C+; Century High School (high), rated A. All sit in Hillsboro School District 1j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21640 Sw Rock Rd, Beaverton, OR compare to other homes in Beaverton 97003?

Among the 7,823 homes in Beaverton 97003, it is worth more than 35% of them ($438,644 against a typical $469,671), its price per square foot is higher than 58% of them ($318 against a typical $304), it is bigger than 31% of them (1,379 ft² against a typical 1,490 ft²), its lot is bigger than 86% of them (0.23 ac against a typical 0.14 ac) and it is newer than 18% of them (1973 against a typical 1991). Measured against all of Washington County, it is worth more than 20% 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 21640 Sw Rock Rd, Beaverton, OR?

The 2025 property tax bill for 21640 Sw Rock Rd, Beaverton, OR was $3,097. The county assessed it at $208,530.

Closest homes

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Assigned schools

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