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Single Family ResidenceResidential
$117,387$127 / 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 79How 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 $30,000 on Aug 20, 2025

3621 ONYX AVE

KLAMATH FALLS, OR 97603
3
Beds
0
Baths
924 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$117K
$92K low$142K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$30,000 · Aug 20, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$357 (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.$28,050 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$27,240
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$31,680

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.0.52
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 · 88 ft²Shed · 90 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
Stearns Elementary SchoolD-
Elementary · Grades KG–6 · 0.2 mi
H
Mazama High SchoolB
High · Grades 9–12 · 0.6 mi
M
Brixner Junior High SchoolD
Middle · Grades 7–8 · 1.4 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

3621 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.

  • Among the least valuable homes in Klamath Falls 97603
  • Costs less per square foot than 98% of homes in Klamath Falls 97603
  • Smaller than 84% of homes in Klamath Falls 97603
  • Has a bigger lot than 76% 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$674K

This home is worth less than almost all 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$117,387
CheaperTypical $310,994Pricier

Cheaper than almost all homes nearby

Price per ft²$127
CheaperTypical $210Pricier

Pricier than 2% of homes nearby

Living area924 ft²
SmallerTypical 1,410 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.52 ac
SmallerTypical 0.27 acBigger

Bigger than 76% of homes nearby

How 3621 Onyx Ave ranks against every home in each area.
MeasureThis homeKlamath Falls 97603Klamath County
Estimated valuepricier than$117,387almost no homes7% of homes
Price per ft²pricier than$1272% of homes7% of homes
Living areabigger than924 ft²16% of homes22% of homes
Lot sizebigger than0.52 ac76% of homes65% of homes

About 3621 Onyx Ave

How much is 3621 Onyx Ave, Klamath Falls, OR worth?

The TopHap Estimate for 3621 Onyx Ave, Klamath Falls, OR is $117,387 as of Sep 24, 2026. The likely range is $92,439 to $142,335. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3621 Onyx Ave, Klamath Falls, OR last sell?

3621 Onyx Ave, Klamath Falls, OR last sold on Aug 20, 2025 for $30,000, according to the county's recorded deed.

How big is 3621 Onyx Ave, Klamath Falls, OR?

3621 Onyx Ave, Klamath Falls, OR has 3 bedrooms, 924 square feet of living space and a 0.52-acre lot.

What schools serve 3621 Onyx Ave, Klamath Falls, OR?

3621 Onyx Ave, Klamath Falls, OR is assigned to Stearns Elementary School (elementary), rated D-; Mazama High School (high), rated B; 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 3621 Onyx Ave, Klamath Falls, OR compare to other homes in Klamath Falls 97603?

Among the 11,899 homes in Klamath Falls 97603, it is worth more than almost none of them ($117,387 against a typical $310,994), its price per square foot is higher than 2% of them ($127 against a typical $210), it is bigger than 16% of them (924 ft² against a typical 1,410 ft²) and its lot is bigger than 76% of them (0.52 ac against a typical 0.27 ac). Measured against all of Klamath County, it is worth more than 7% 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 3621 Onyx Ave, Klamath Falls, OR?

The 2025 property tax bill for 3621 Onyx Ave, Klamath Falls, OR was $357. The county assessed it at $28,050.

More homes on Onyx Ave

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More homes in Klamath Falls 97603

Assigned schools

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