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Single Family ResidenceResidential
$579,151$334 / 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 82How 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

23 PROSPECT AVE

WALLA WALLA, WA 99362
3
Beds
3
Baths
1,736 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.
0.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$579K
$473K low$686K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$591,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$150,890
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$440,610
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$566,250
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$591,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWalla Walla
Lot (acres)The size of the land the home sits on, from county records.0.47
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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.Mixed
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.BalconyDeck · 98 ft²Patio · 140 ft²

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

E
Prospect Point Elementary SchoolC
Elementary · Grades KG–5 · 0.2 mi
H
Walla Walla High SchoolA
High · Grades 9–12 · 0.5 mi
M
Garrison Middle SchoolC+
Middle · Grades 6–8 · 1.3 mi

District: Walla Walla School District

Neighborhood · ZIP 99362These 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.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.105

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.8%
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.44,275
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.142 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,105
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,349
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.24 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

23 Prospect 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 more than 80% of homes in Walla Walla County
  • Costs more per square foot than 79% of homes in Walla Walla County
  • Has a bigger lot than 78% of homes in Walla Walla 99362
  • Newer than 73% of homes in Walla Walla 99362

What homes are worth in Walla Walla 99362

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

This home
$167K$1.1M

This home is worth more than 77% of homes in Walla Walla 99362.

How it measures up in Walla Walla 99362

The dot is this home. The mark in the middle is the typical home in Walla Walla 99362.

Estimated value$579,151
CheaperTypical $418,544Pricier

Pricier than 77% of homes nearby

Price per ft²$334
CheaperTypical $283Pricier

Pricier than 76% of homes nearby

Living area1,736 ft²
SmallerTypical 1,504 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.47 ac
SmallerTypical 0.22 acBigger

Bigger than 78% of homes nearby

Year built1987
OlderTypical 1959Newer

Newer than 73% of homes nearby

How 23 Prospect Ave ranks against every home in each area.
MeasureThis homeWalla Walla 99362Walla Walla County
Estimated valuepricier than$579,15177% of homes80% of homes
Price per ft²pricier than$33476% of homes79% of homes
Living areabigger than1,736 ft²62% of homes63% of homes
Lot sizebigger than0.47 ac78% of homes74% of homes
Year builtnewer than198773% of homes67% of homes

About 23 Prospect Ave

How much is 23 Prospect Ave, Walla Walla, WA worth?

The TopHap Estimate for 23 Prospect Ave, Walla Walla, WA is $579,151 as of Sep 24, 2026. The likely range is $472,792 to $685,510. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 23 Prospect Ave, Walla Walla, WA?

23 Prospect Ave, Walla Walla, WA has 3 bedrooms, 3 bathrooms, 1,736 square feet of living space and a 0.47-acre lot.

When was 23 Prospect Ave, Walla Walla, WA built?

23 Prospect Ave, Walla Walla, WA was built in 1987, making it 39 years old. The building has 1 story.

What schools serve 23 Prospect Ave, Walla Walla, WA?

23 Prospect Ave, Walla Walla, WA is assigned to Prospect Point Elementary School (elementary), rated C; Walla Walla High School (high), rated A; Garrison Middle School (middle), rated C+. All sit in Walla Walla School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 Prospect Ave, Walla Walla, WA compare to other homes in Walla Walla 99362?

Among the 13,645 homes in Walla Walla 99362, it is worth more than 77% of them ($579,151 against a typical $418,544), its price per square foot is higher than 76% of them ($334 against a typical $283), it is bigger than 62% of them (1,736 ft² against a typical 1,504 ft²), its lot is bigger than 78% of them (0.47 ac against a typical 0.22 ac) and it is newer than 73% of them (1987 against a typical 1959). Measured against all of Walla Walla County, it is worth more than 80% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Prospect Ave

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Assigned schools

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