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Single Family ResidenceResidential
$518,864$215 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $58,000 on Sep 30, 2016

375 ONION AVE

ONTARIO, OR 97914
7
Beds
4
Baths
2,416 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.

Valuation

$519K
$472K low$566K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$58,000 · Sep 30, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,289 (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.$247,449 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$37,157
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$210,292
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$240,242
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$300,080

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMalheur
Lot (acres)The size of the land the home sits on, from county records.1.00
HeatingThe type of heating system in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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(1)

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

M
Ontario Middle SchoolD+
Middle · Grades 6–8 · 3.2 mi
H
Ontario High SchoolD
High · Grades 9–12 · 3.4 mi
E
May Roberts Elementary SchoolD+
Elementary · Grades KG–1 · 3.6 mi

District: Ontario School District 8

Neighborhood · ZIP 97914These 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.125
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.119
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69

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.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.17,422
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.66 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$45,977
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$63,234
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.11 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

375 Onion 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 more than 92% of homes in Ontario 97914
  • Bigger than 95% of homes in Ontario 97914
  • Has a bigger lot than 70% of homes in Ontario 97914

What homes are worth in Ontario 97914

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

This home
$122K$713K

This home is worth more than 92% of homes in Ontario 97914.

How it measures up in Ontario 97914

The dot is this home. The mark in the middle is the typical home in Ontario 97914.

Estimated value$518,864
CheaperTypical $309,348Pricier

Pricier than 92% of homes nearby

Price per ft²$215
CheaperTypical $229Pricier

Pricier than 37% of homes nearby

Living area2,416 ft²
SmallerTypical 1,340 ft²Bigger

Bigger than 95% of homes nearby

Lot size1 ac
SmallerTypical 0.28 acBigger

Bigger than 70% of homes nearby

Year built1971
OlderTypical 1974Newer

Newer than 43% of homes nearby

How 375 Onion Ave ranks against every home in each area.
MeasureThis homeOntario 97914Malheur County
Estimated valuepricier than$518,86492% of homes91% of homes
Price per ft²pricier than$21537% of homes45% of homes
Living areabigger than2,416 ft²95% of homes95% of homes
Lot sizebigger than1 ac70% of homes59% of homes
Year builtnewer than197143% of homes45% of homes

About 375 Onion Ave

How much is 375 Onion Ave, Ontario, OR worth?

The TopHap Estimate for 375 Onion Ave, Ontario, OR is $518,864 as of Sep 24, 2026. The likely range is $471,621 to $566,107. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 375 Onion Ave, Ontario, OR last sell?

375 Onion Ave, Ontario, OR last sold on Sep 30, 2016 for $58,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 375 Onion Ave, Ontario, OR?

375 Onion Ave, Ontario, OR has 7 bedrooms, 4 bathrooms, 2,416 square feet of living space and a 1.00-acre lot.

When was 375 Onion Ave, Ontario, OR built?

375 Onion Ave, Ontario, OR was built in 1971, making it 55 years old. The building has 3 stories.

What schools serve 375 Onion Ave, Ontario, OR?

375 Onion Ave, Ontario, OR is assigned to Ontario Middle School (middle), rated D+; Ontario High School (high), rated D; May Roberts Elementary School (elementary), rated D+. All sit in Ontario School District 8. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 375 Onion Ave, Ontario, OR compare to other homes in Ontario 97914?

Among the 5,935 homes in Ontario 97914, it is worth more than 92% of them ($518,864 against a typical $309,348), its price per square foot is higher than 37% of them ($215 against a typical $229), it is bigger than 95% of them (2,416 ft² against a typical 1,340 ft²), its lot is bigger than 70% of them (1 ac against a typical 0.28 ac) and it is newer than 43% of them (1971 against a typical 1974). Measured against all of Malheur County, it is worth more than 91% 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 375 Onion Ave, Ontario, OR?

The 2025 property tax bill for 375 Onion Ave, Ontario, OR was $3,289. The county assessed it at $247,449.

More homes on Onion Ave

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Assigned schools

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