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Residential (General/Single)Residential
$273,379
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 85How 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 $15,000 on Nov 12, 2010

UNDETERMINED

PROSSER, WA 99350
0
Baths
1.14 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$273K
$233K low$313K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$15,000 · Nov 12, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$713 (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.$66,230 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$66,230
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$66,230

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.33
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
87
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
39
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
7
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
35
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyBENTON
Lot (acres)The size of the land the home sits on, from county records.1.14
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Prosser High SchoolC-
High · Grades 9–12 · 0.3 mi
E
Keene-Riverview Elementary
Elementary · Grades PK–2 · 0.5 mi
M
Housel Middle SchoolD-
Middle · Grades 6–8 · 0.9 mi

District: Prosser School District

Neighborhood · ZIP 99350These 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.87
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.118

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.93%
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.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.15,573
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.21 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,054
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,452
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.10 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.51%

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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

Undetermined 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 93% of homes in Benton County
  • Has a bigger lot than 87% of homes in Benton County

What homes are worth in Prosser 99350

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

This home
$195K$831K

This home is worth more than 16% of homes in Prosser 99350.

How it measures up in Prosser 99350

The dot is this home. The mark in the middle is the typical home in Prosser 99350.

Estimated value$273,379
CheaperTypical $377,837Pricier

Pricier than 16% of homes nearby

Lot size1.14 ac
SmallerTypical 1 acBigger

Bigger than 53% of homes nearby

How Undetermined ranks against every home in each area.
MeasureThis homeProsser 99350Benton County
Estimated valuepricier than$273,37916% of homes7% of homes
Lot sizebigger than1.14 ac53% of homes87% of homes

About Undetermined

How much is Undetermined, Prosser, WA worth?

The TopHap Estimate for Undetermined, Prosser, WA is $273,379 as of Sep 24, 2026. The likely range is $233,335 to $313,423. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Undetermined, Prosser, WA last sell?

Undetermined, Prosser, WA last sold on Nov 12, 2010 for $15,000, according to the county's recorded deed.

What schools serve Undetermined, Prosser, WA?

Undetermined, Prosser, WA is assigned to Prosser High School (high), rated C-; Keene-Riverview Elementary (elementary); Housel Middle School (middle), rated D-. All sit in Prosser School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does Undetermined, Prosser, WA compare to other homes in Prosser 99350?

Among the 4,284 homes in Prosser 99350, it is worth more than 16% of them ($273,379 against a typical $377,837) and its lot is bigger than 53% of them (1.14 ac against a typical 1 ac). Measured against all of Benton 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 Undetermined, Prosser, WA?

The 2025 property tax bill for Undetermined, Prosser, WA was $713. The county assessed it at $66,230.

More homes on Undetermined

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More homes in Prosser 99350

Assigned schools

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