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Single Family ResidenceResidential
$344,441$205 / 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 94How 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

528 NW 18TH ST

ONTARIO, OR 97914
3
Beds
2
Baths
1,678 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$344K
$325K low$364K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,688 (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.$174,220 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$38,156
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$136,064
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$169,146
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$296,510

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.0.17
HeatingThe type of heating system in the home.None
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.

Foreclosure Filings(1)

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

H
Ontario High SchoolC-
High · Grades 9–12 · 0.7 mi
E
May Roberts Elementary SchoolD
Elementary · Grades KG–1 · 1.0 mi
M
Ontario Middle SchoolC-
Middle · Grades 6–8 · 1.1 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

528 Nw 18th St 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 69% of homes in Malheur County
  • Costs less per square foot than 68% of homes in Ontario 97914
  • Bigger than 76% of homes in Malheur County
  • Has a smaller lot than 83% of homes in Malheur County
  • Newer than 68% 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
$126K$784K

This home is worth more than 66% 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$344,441
CheaperTypical $303,235Pricier

Pricier than 66% of homes nearby

Price per ft²$205
CheaperTypical $226Pricier

Pricier than 32% of homes nearby

Living area1,678 ft²
SmallerTypical 1,326 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.17 ac
SmallerTypical 0.28 acBigger

Bigger than 21% of homes nearby

Year built1980
OlderTypical 1974Newer

Newer than 68% of homes nearby

How 528 Nw 18th St ranks against every home in each area.
MeasureThis homeOntario 97914Malheur County
Estimated valuepricier than$344,44166% of homes69% of homes
Price per ft²pricier than$20532% of homes41% of homes
Living areabigger than1,678 ft²75% of homes76% of homes
Lot sizebigger than0.17 ac21% of homes17% of homes
Year builtnewer than198068% of homes66% of homes

About 528 Nw 18th St

How much is 528 Nw 18th St, Ontario, OR worth?

The TopHap Estimate for 528 Nw 18th St, Ontario, OR is $344,441 as of Oct 21, 2026. The likely range is $324,743 to $364,139. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 528 Nw 18th St, Ontario, OR last sell?

528 Nw 18th St, Ontario, OR last sold on Oct 8, 2010, according to the county's recorded deed.

How big is 528 Nw 18th St, Ontario, OR?

528 Nw 18th St, Ontario, OR has 3 bedrooms, 2 bathrooms, 1,678 square feet of living space and a 0.17-acre lot.

When was 528 Nw 18th St, Ontario, OR built?

528 Nw 18th St, Ontario, OR was built in 1980, making it 46 years old. The building has 1 story.

What schools serve 528 Nw 18th St, Ontario, OR?

528 Nw 18th St, Ontario, OR is assigned to Ontario High School (high), rated C-; May Roberts Elementary School (elementary), rated D; Ontario Middle School (middle), rated C-. All sit in Ontario School District 8. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 528 Nw 18th St, Ontario, OR compare to other homes in Ontario 97914?

Among the 5,867 homes in Ontario 97914, it is worth more than 66% of them ($344,441 against a typical $303,235), its price per square foot is higher than 32% of them ($205 against a typical $226), it is bigger than 75% of them (1,678 ft² against a typical 1,326 ft²), its lot is bigger than 21% of them (0.17 ac against a typical 0.28 ac) and it is newer than 68% of them (1980 against a typical 1974). Measured against all of Malheur County, it is worth more than 69% 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 528 Nw 18th St, Ontario, OR?

The 2025 property tax bill for 528 Nw 18th St, Ontario, OR was $2,688. The county assessed it at $174,220.

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