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Single Family ResidenceResidential
$566,406$332 / 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 93How 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

4148 NW DOUGLAS AVE

CORVALLIS, OR 97330
3
Beds
2
Baths
1,708 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.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$566K
$529K low$604K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,315 (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.$328,595 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$319,024
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$550,790

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBENTON
Lot (acres)The size of the land the home sits on, from county records.0.19
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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

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
Hoover Elementary SchoolB+
Elementary · Grades KG–5 · 0.5 mi
H
Crescent Valley High SchoolB
High · Grades 9–12 · 2.7 mi
M
Cheldelin Middle SchoolB+
Middle · Grades 6–8 · 3.2 mi

District: Corvallis School District 509j

Neighborhood · ZIP 97330These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.169

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.94%
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.22%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.45,225
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.590 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,613
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,518
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.54 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.47%

Owner Tools

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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

4148 Nw Douglas 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 65% of homes in Benton County
  • Has a smaller lot than 67% of homes in Corvallis 97330

What homes are worth in Corvallis 97330

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

This home
$331K$1.1M

This home is worth more than 49% of homes in Corvallis 97330.

How it measures up in Corvallis 97330

The dot is this home. The mark in the middle is the typical home in Corvallis 97330.

Estimated value$566,406
CheaperTypical $571,998Pricier

Pricier than 49% of homes nearby

Price per ft²$332
CheaperTypical $317Pricier

Pricier than 60% of homes nearby

Living area1,708 ft²
SmallerTypical 1,779 ft²Bigger

Bigger than 46% of homes nearby

Lot size0.19 ac
SmallerTypical 0.22 acBigger

Bigger than 33% of homes nearby

Year built1978
OlderTypical 1973Newer

Newer than 64% of homes nearby

How 4148 Nw Douglas Ave ranks against every home in each area.
MeasureThis homeCorvallis 97330Benton County
Estimated valuepricier than$566,40649% of homes54% of homes
Price per ft²pricier than$33260% of homes65% of homes
Living areabigger than1,708 ft²46% of homes47% of homes
Lot sizebigger than0.19 ac33% of homes34% of homes
Year builtnewer than197864% of homes53% of homes

About 4148 Nw Douglas Ave

How much is 4148 Nw Douglas Ave, Corvallis, OR worth?

The TopHap Estimate for 4148 Nw Douglas Ave, Corvallis, OR is $566,406 as of Aug 30, 2026. The likely range is $529,253 to $603,559. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4148 Nw Douglas Ave, Corvallis, OR last sell?

4148 Nw Douglas Ave, Corvallis, OR last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4148 Nw Douglas Ave, Corvallis, OR?

4148 Nw Douglas Ave, Corvallis, OR has 3 bedrooms, 2 bathrooms, 1,708 square feet of living space and a 0.19-acre lot.

When was 4148 Nw Douglas Ave, Corvallis, OR built?

4148 Nw Douglas Ave, Corvallis, OR was built in 1978, making it 48 years old. The building has 1 story.

What schools serve 4148 Nw Douglas Ave, Corvallis, OR?

4148 Nw Douglas Ave, Corvallis, OR is assigned to Hoover Elementary School (elementary), rated B+; Crescent Valley High School (high), rated B; Cheldelin Middle School (middle), rated B+. All sit in Corvallis School District 509j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4148 Nw Douglas Ave, Corvallis, OR compare to other homes in Corvallis 97330?

Among the 12,721 homes in Corvallis 97330, it is worth more than 49% of them ($566,406 against a typical $571,998), its price per square foot is higher than 60% of them ($332 against a typical $317), it is bigger than 46% of them (1,708 ft² against a typical 1,779 ft²), its lot is bigger than 33% of them (0.19 ac against a typical 0.22 ac) and it is newer than 64% of them (1978 against a typical 1973). Measured against all of Benton County, it is worth more than 54% 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 4148 Nw Douglas Ave, Corvallis, OR?

The 2025 property tax bill for 4148 Nw Douglas Ave, Corvallis, OR was $6,315. The county assessed it at $328,595.

More homes on Nw Douglas Ave

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