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Single Family ResidenceResidential
$472,754$262 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $439,990 on Aug 28, 2024

1577 SONORA RIVER DR

PROSSER, WA 99350
0
Baths
1,805 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
2024
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$473K
$444K low$502K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$439,990 · Aug 28, 2024
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$76,763
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$61,410
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.83%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$395,991
CMG MORTGAGE INC · recorded Aug 28, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,620 (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.$436,730 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$80,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$356,730
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$436,730
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$436,730

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.34
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
91
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.
8
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.Single Family Residence
CountyBenton
Lot (acres)The size of the land the home sits on, from county records.0.22
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 30 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.

E
Keene-Riverview Elementary
Elementary · Grades PK–2 · 1.4 mi
H
Prosser High SchoolB-
High · Grades 9–12 · 1.8 mi
M
Housel Middle SchoolC+
Middle · Grades 6–8 · 2.6 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

1577 Sonora River Dr 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 71% of homes in Prosser 99350
  • Bigger than 65% of homes in Prosser 99350
  • Has a smaller lot than 77% of homes in Prosser 99350
  • Among the newest homes in Prosser 99350

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
$189K$831K

This home is worth more than 71% 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$472,754
CheaperTypical $384,771Pricier

Pricier than 71% of homes nearby

Price per ft²$262
CheaperTypical $255Pricier

Pricier than 55% of homes nearby

Living area1,805 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.22 ac
SmallerTypical 1 acBigger

Bigger than 23% of homes nearby

Year built2024
OlderTypical 1985Newer

Newer than almost all homes nearby

How 1577 Sonora River Dr ranks against every home in each area.
MeasureThis homeProsser 99350Benton County
Estimated valuepricier than$472,75471% of homes60% of homes
Price per ft²pricier than$26255% of homes57% of homes
Living areabigger than1,805 ft²65% of homes53% of homes
Lot sizebigger than0.22 ac23% of homes33% of homes
Year builtnewer than2024almost all homes98% of homes

About 1577 Sonora River Dr

How much is 1577 Sonora River Dr, Prosser, WA worth?

The TopHap Estimate for 1577 Sonora River Dr, Prosser, WA is $472,754 as of Jul 14, 2026. The likely range is $443,507 to $502,001. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1577 Sonora River Dr, Prosser, WA last sell?

1577 Sonora River Dr, Prosser, WA last sold on Aug 28, 2024 for $439,990, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 1577 Sonora River Dr, Prosser, WA?

1577 Sonora River Dr, Prosser, WA has 1,805 square feet of living space and a 0.22-acre lot.

When was 1577 Sonora River Dr, Prosser, WA built?

1577 Sonora River Dr, Prosser, WA was built in 2024, making it 2 years old.

What schools serve 1577 Sonora River Dr, Prosser, WA?

1577 Sonora River Dr, Prosser, WA is assigned to Keene-Riverview Elementary (elementary); Prosser High School (high), rated B-; Housel Middle School (middle), rated C+. All sit in Prosser School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1577 Sonora River Dr, Prosser, WA compare to other homes in Prosser 99350?

Among the 4,247 homes in Prosser 99350, it is worth more than 71% of them ($472,754 against a typical $384,771), its price per square foot is higher than 55% of them ($262 against a typical $255), it is bigger than 65% of them (1,805 ft² against a typical 1,568 ft²), its lot is bigger than 23% of them (0.22 ac against a typical 1 ac) and it is newer than almost all of them (2024 against a typical 1985). Measured against all of Benton County, it is worth more than 60% 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 1577 Sonora River Dr, Prosser, WA?

The 2025 property tax bill for 1577 Sonora River Dr, Prosser, WA was $4,620. The county assessed it at $436,730.

Closest homes

More homes in Prosser 99350

Assigned schools

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