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Single Family ResidenceResidential
$349,477$420 / 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 89How 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
Last sold for $113,000 on Aug 1, 2002

339 S 12TH AVE

CORNELIUS, OR 97113
2
Beds
1
Baths
832 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.
0.12 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.

Valuation

$349K
$312K low$387K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$113,000 · Aug 1, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,163 (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.$121,160 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$117,640
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$319,230

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.0.12
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Electric
CoolingThe type of cooling or air conditioning in the home.Wall Unit
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Open
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 · 120 ft²Patio · 120 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
Echo Shaw Elementary SchoolD
Elementary · Grades PK–5 · 0.4 mi
M
Neil Armstrong Middle SchoolD
Middle · Grades 7–8 · 0.8 mi
H
Forest Grove High SchoolC
High · Grades 9–12 · 3.3 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

339 S 12th 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 98% of homes in Cornelius 97113
  • Costs more per square foot than 97% of homes in Cornelius 97113
  • Smaller than 97% of homes in Cornelius 97113
  • Has a smaller lot than 71% of homes in Washington County
  • Older than 93% 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$815K

This home is worth more than 2% 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$349,477
CheaperTypical $457,574Pricier

Pricier than 2% of homes nearby

Price per ft²$420
CheaperTypical $296Pricier

Pricier than 97% of homes nearby

Living area832 ft²
SmallerTypical 1,546 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.12 ac
SmallerTypical 0.16 acBigger

Bigger than 33% of homes nearby

Year built1960
OlderTypical 1995Newer

Newer than 7% of homes nearby

How 339 S 12th Ave ranks against every home in each area.
MeasureThis homeCornelius 97113Washington County
Estimated valuepricier than$349,4772% of homes8% of homes
Price per ft²pricier than$42097% of homes95% of homes
Living areabigger than832 ft²3% of homes3% of homes
Lot sizebigger than0.12 ac33% of homes29% of homes
Year builtnewer than19607% of homes10% of homes

About 339 S 12th Ave

How much is 339 S 12th Ave, Cornelius, OR worth?

The TopHap Estimate for 339 S 12th Ave, Cornelius, OR is $349,477 as of Oct 21, 2026. The likely range is $311,506 to $387,448. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 339 S 12th Ave, Cornelius, OR last sell?

339 S 12th Ave, Cornelius, OR last sold on Aug 1, 2002 for $113,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 339 S 12th Ave, Cornelius, OR?

339 S 12th Ave, Cornelius, OR has 2 bedrooms, 1 bathrooms, 832 square feet of living space and a 0.12-acre lot.

When was 339 S 12th Ave, Cornelius, OR built?

339 S 12th Ave, Cornelius, OR was built in 1960, making it 66 years old.

What schools serve 339 S 12th Ave, Cornelius, OR?

339 S 12th Ave, Cornelius, OR is assigned to Echo Shaw 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 339 S 12th Ave, Cornelius, OR compare to other homes in Cornelius 97113?

Among the 4,729 homes in Cornelius 97113, it is worth more than 2% of them ($349,477 against a typical $457,574), its price per square foot is higher than 97% of them ($420 against a typical $296), it is bigger than 3% of them (832 ft² against a typical 1,546 ft²), its lot is bigger than 33% of them (0.12 ac against a typical 0.16 ac) and it is newer than 7% of them (1960 against a typical 1995). Measured against all of Washington County, it is worth more than 8% 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 339 S 12th Ave, Cornelius, OR?

The 2025 property tax bill for 339 S 12th Ave, Cornelius, OR was $2,163. The county assessed it at $121,160.

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