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Single Family ResidenceResidential
$433,097$386 / 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 Oct 21, 2026

273 S 21ST AVE

CORNELIUS, OR 97113
3
Beds
2
Baths
1,121 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
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

$433K
$421K low$445K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,989 (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.$223,390 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$216,890
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$463,030

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.
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.

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.0.19
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
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.Patio · 64 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
Cornelius Elementary SchoolD-
Elementary · Grades KG–4 · 0.5 mi
M
Neil Armstrong Middle SchoolD
Middle · Grades 7–8 · 1.4 mi
H
Forest Grove High SchoolC
High · Grades 9–12 · 3.8 mi

District: Forest Grove School District 15

Neighborhood · ZIP 97113These 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.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
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.13,563
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.377 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,187
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$120,523
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

273 S 21st 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.

  • Worth less than 80% of homes in Washington County
  • Costs more per square foot than 93% of homes in Cornelius 97113
  • Smaller than 90% of homes in Washington County
  • Has a bigger lot than 67% of homes in Cornelius 97113
  • Older than 72% of homes in Cornelius 97113

What homes are worth in Cornelius 97113

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

This home
$344K$776K

This home is worth more than 35% of homes in Cornelius 97113.

How it measures up in Cornelius 97113

The dot is this home. The mark in the middle is the typical home in Cornelius 97113.

Estimated value$433,097
CheaperTypical $457,918Pricier

Pricier than 35% of homes nearby

Price per ft²$386
CheaperTypical $295Pricier

Pricier than 93% of homes nearby

Living area1,121 ft²
SmallerTypical 1,547 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.19 ac
SmallerTypical 0.16 acBigger

Bigger than 67% of homes nearby

Year built1978
OlderTypical 1995Newer

Newer than 28% of homes nearby

How 273 S 21st Ave ranks against every home in each area.
MeasureThis homeCornelius 97113Washington County
Estimated valuepricier than$433,09735% of homes20% of homes
Price per ft²pricier than$38693% of homes90% of homes
Living areabigger than1,121 ft²15% of homes10% of homes
Lot sizebigger than0.19 ac67% of homes63% of homes
Year builtnewer than197828% of homes33% of homes

About 273 S 21st Ave

How much is 273 S 21st Ave, Cornelius, OR worth?

The TopHap Estimate for 273 S 21st Ave, Cornelius, OR is $433,097 as of Oct 21, 2026. The likely range is $420,812 to $445,382. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 273 S 21st Ave, Cornelius, OR last sell?

273 S 21st Ave, Cornelius, OR last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 273 S 21st Ave, Cornelius, OR?

273 S 21st Ave, Cornelius, OR has 3 bedrooms, 2 bathrooms, 1,121 square feet of living space and a 0.19-acre lot.

When was 273 S 21st Ave, Cornelius, OR built?

273 S 21st Ave, Cornelius, OR was built in 1978, making it 48 years old.

What schools serve 273 S 21st Ave, Cornelius, OR?

273 S 21st Ave, Cornelius, OR is assigned to Cornelius Elementary School (elementary), rated D-; Neil Armstrong Middle School (middle), rated D; Forest Grove High School (high), rated C. All sit in Forest Grove School District 15. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 273 S 21st Ave, Cornelius, OR compare to other homes in Cornelius 97113?

Among the 4,725 homes in Cornelius 97113, it is worth more than 35% of them ($433,097 against a typical $457,918), its price per square foot is higher than 93% of them ($386 against a typical $295), it is bigger than 15% of them (1,121 ft² against a typical 1,547 ft²), its lot is bigger than 67% of them (0.19 ac against a typical 0.16 ac) and it is newer than 28% of them (1978 against a typical 1995). 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 273 S 21st Ave, Cornelius, OR?

The 2025 property tax bill for 273 S 21st Ave, Cornelius, OR was $3,989. The county assessed it at $223,390.

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