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Single Family ResidenceResidential
$158,378$165 / 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 86How 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 $155,000 on Jan 29, 2025

640 CALIFORNIA AVE

KLAMATH FALLS, OR 97601
2
Beds
1
Baths
960 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$158K
$137K low$180K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$155,000 · Jan 29, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,258 (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.$73,440 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$71,310
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$98,330

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.25
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
60
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

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.0.13
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood 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
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.Shed · 48 ft²PatioPorch · 168 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
Conger Elementary SchoolB-
Elementary · Grades KG–5 · 0.8 mi
H
Klamath Union High SchoolC+
High · Grades 9–12 · 0.9 mi
M
Ponderosa Middle SchoolC
Middle · Grades 6–8 · 1.6 mi

District: Klamath Falls City Schools

Neighborhood · ZIP 97601These 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.108
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.342

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.89%
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.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.23,691
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,602
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$72,846
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.27 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

640 California 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 less than 86% of homes in Klamath County
  • Costs less per square foot than 82% of homes in Klamath County
  • Smaller than 75% of homes in Klamath County
  • Has a smaller lot than 81% of homes in Klamath County
  • Older than 75% of homes in Klamath County

What homes are worth in Klamath Falls 97601

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

This home
$89K$760K

This home is worth more than 19% of homes in Klamath Falls 97601.

How it measures up in Klamath Falls 97601

The dot is this home. The mark in the middle is the typical home in Klamath Falls 97601.

Estimated value$158,378
CheaperTypical $254,096Pricier

Pricier than 19% of homes nearby

Price per ft²$165
CheaperTypical $207Pricier

Pricier than 21% of homes nearby

Living area960 ft²
SmallerTypical 1,242 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.13 ac
SmallerTypical 0.18 acBigger

Bigger than 29% of homes nearby

Year built1954
OlderTypical 1964Newer

Newer than 43% of homes nearby

How 640 California Ave ranks against every home in each area.
MeasureThis homeKlamath Falls 97601Klamath County
Estimated valuepricier than$158,37819% of homes14% of homes
Price per ft²pricier than$16521% of homes18% of homes
Living areabigger than960 ft²29% of homes25% of homes
Lot sizebigger than0.13 ac29% of homes19% of homes
Year builtnewer than195443% of homes25% of homes

About 640 California Ave

How much is 640 California Ave, Klamath Falls, OR worth?

The TopHap Estimate for 640 California Ave, Klamath Falls, OR is $158,378 as of Aug 30, 2026. The likely range is $136,706 to $180,050. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 California Ave, Klamath Falls, OR last sell?

640 California Ave, Klamath Falls, OR last sold on Jan 29, 2025 for $155,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 640 California Ave, Klamath Falls, OR?

640 California Ave, Klamath Falls, OR has 2 bedrooms, 1 bathrooms, 960 square feet of living space and a 0.13-acre lot.

When was 640 California Ave, Klamath Falls, OR built?

640 California Ave, Klamath Falls, OR was built in 1954, making it 72 years old. The building has 1 story.

What schools serve 640 California Ave, Klamath Falls, OR?

640 California Ave, Klamath Falls, OR is assigned to Conger Elementary School (elementary), rated B-; Klamath Union High School (high), rated C+; Ponderosa Middle School (middle), rated C. All sit in Klamath Falls City Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 California Ave, Klamath Falls, OR compare to other homes in Klamath Falls 97601?

Among the 9,617 homes in Klamath Falls 97601, it is worth more than 19% of them ($158,378 against a typical $254,096), its price per square foot is higher than 21% of them ($165 against a typical $207), it is bigger than 29% of them (960 ft² against a typical 1,242 ft²), its lot is bigger than 29% of them (0.13 ac against a typical 0.18 ac) and it is newer than 43% of them (1954 against a typical 1964). Measured against all of Klamath County, it is worth more than 14% 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 640 California Ave, Klamath Falls, OR?

The 2025 property tax bill for 640 California Ave, Klamath Falls, OR was $1,258. The county assessed it at $73,440.

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