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Single Family ResidenceResidential
$334,961$183 / 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 95How 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
Last sold for $330,000 on Oct 14, 2025

4347 ONYX AVE

KLAMATH FALLS, OR 97603
4
Beds
1.5
Baths
1,828 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
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

$335K
$317K low$353K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$330,000 · Oct 14, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,887 (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.$152,520 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$148,080
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$315,060

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyKLAMATH
Lot (acres)The size of the land the home sits on, from county records.0.26
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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 · 200 ft²

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.

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

H
Mazama High SchoolC+
High · Grades 9–12 · 0.2 mi
E
Peterson Elementary SchoolC-
Elementary · Grades KG–6 · 0.5 mi
M
Brixner Junior High SchoolD-
Middle · Grades 7–8 · 1.1 mi

District: Klamath County School District

Neighborhood · ZIP 97603These 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.84
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 100.331

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.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.33,820
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.98 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,503
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$75,677
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.16 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

4347 Onyx 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 less per square foot than 79% of homes in Klamath Falls 97603
  • Bigger than 80% of homes in Klamath County
  • Older than 78% of homes in Klamath Falls 97603

What homes are worth in Klamath Falls 97603

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

This home
$140K$673K

This home is worth more than 60% of homes in Klamath Falls 97603.

How it measures up in Klamath Falls 97603

The dot is this home. The mark in the middle is the typical home in Klamath Falls 97603.

Estimated value$334,961
CheaperTypical $311,311Pricier

Pricier than 60% of homes nearby

Price per ft²$183
CheaperTypical $210Pricier

Pricier than 21% of homes nearby

Living area1,828 ft²
SmallerTypical 1,411 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.26 ac
SmallerTypical 0.27 acBigger

Bigger than 49% of homes nearby

Year built1956
OlderTypical 1974Newer

Newer than 22% of homes nearby

How 4347 Onyx Ave ranks against every home in each area.
MeasureThis homeKlamath Falls 97603Klamath County
Estimated valuepricier than$334,96160% of homes64% of homes
Price per ft²pricier than$18321% of homes29% of homes
Living areabigger than1,828 ft²78% of homes80% of homes
Lot sizebigger than0.26 ac49% of homes48% of homes
Year builtnewer than195622% of homes27% of homes

About 4347 Onyx Ave

How much is 4347 Onyx Ave, Klamath Falls, OR worth?

The TopHap Estimate for 4347 Onyx Ave, Klamath Falls, OR is $334,961 as of Aug 30, 2026. The likely range is $316,842 to $353,080. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4347 Onyx Ave, Klamath Falls, OR last sell?

4347 Onyx Ave, Klamath Falls, OR last sold on Oct 14, 2025 for $330,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4347 Onyx Ave, Klamath Falls, OR?

4347 Onyx Ave, Klamath Falls, OR has 4 bedrooms, 1.5 bathrooms, 1,828 square feet of living space and a 0.26-acre lot.

When was 4347 Onyx Ave, Klamath Falls, OR built?

4347 Onyx Ave, Klamath Falls, OR was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 4347 Onyx Ave, Klamath Falls, OR?

4347 Onyx Ave, Klamath Falls, OR is assigned to Mazama High School (high), rated C+; Peterson Elementary School (elementary), rated C-; Brixner Junior High School (middle), rated D-. All sit in Klamath County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4347 Onyx Ave, Klamath Falls, OR compare to other homes in Klamath Falls 97603?

Among the 11,898 homes in Klamath Falls 97603, it is worth more than 60% of them ($334,961 against a typical $311,311), its price per square foot is higher than 21% of them ($183 against a typical $210), it is bigger than 78% of them (1,828 ft² against a typical 1,411 ft²), its lot is bigger than 49% of them (0.26 ac against a typical 0.27 ac) and it is newer than 22% of them (1956 against a typical 1974). Measured against all of Klamath County, it is worth more than 64% 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 4347 Onyx Ave, Klamath Falls, OR?

The 2025 property tax bill for 4347 Onyx Ave, Klamath Falls, OR was $1,887. The county assessed it at $152,520.

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