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Single Family ResidenceResidential
$346,628$116 / 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 Sep 24, 2026
Last sold for $302,000 on Nov 20, 2020

521 RIVERSIDE TER

SUNNYSIDE, WA 98944
4
Beds
2.8
Baths
2,976 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.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$347K
$325K low$368K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$302,000 · Nov 20, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,047 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$369,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$79,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$289,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$375,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$369,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyYAKIMA
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1979
Lot (acres)The size of the land the home sits on, from county records.0.47
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition 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
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.Carport (Unspecified)
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 · 510 ft²Patio · 580 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
Washington Elementary SchoolD+
Elementary · Grades 1–5 · 0.9 mi
H
Sunnyside High SchoolD
High · Grades 9–12 · 1.6 mi
M
Sierra Vista Middle SchoolF
Middle · Grades 6–8 · 1.9 mi

District: Sunnyside School District

Neighborhood · ZIP 98944These 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.94
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 100.105

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.0%
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.2.0%
PopulationHow many people live in this area.23,423
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.59 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,154
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$75,265
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.9 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

521 Riverside Ter 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 Sunnyside 98944
  • Costs less per square foot than 97% of homes in Yakima County
  • Bigger than 95% of homes in Sunnyside 98944
  • Has a bigger lot than 65% of homes in Yakima County

What homes are worth in Sunnyside 98944

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

This home
$131K$598K

This home is worth more than 71% of homes in Sunnyside 98944.

How it measures up in Sunnyside 98944

The dot is this home. The mark in the middle is the typical home in Sunnyside 98944.

Estimated value$346,628
CheaperTypical $286,069Pricier

Pricier than 71% of homes nearby

Price per ft²$116
CheaperTypical $202Pricier

Pricier than 4% of homes nearby

Living area2,976 ft²
SmallerTypical 1,404 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.47 ac
SmallerTypical 0.26 acBigger

Bigger than 62% of homes nearby

Year built1975
OlderTypical 1971Newer

Newer than 57% of homes nearby

How 521 Riverside Ter ranks against every home in each area.
MeasureThis homeSunnyside 98944Yakima County
Estimated valuepricier than$346,62871% of homes57% of homes
Price per ft²pricier than$1164% of homes3% of homes
Living areabigger than2,976 ft²95% of homes94% of homes
Lot sizebigger than0.47 ac62% of homes65% of homes
Year builtnewer than197557% of homes54% of homes

About 521 Riverside Ter

How much is 521 Riverside Ter, Sunnyside, WA worth?

The TopHap Estimate for 521 Riverside Ter, Sunnyside, WA is $346,628 as of Sep 24, 2026. The likely range is $325,497 to $367,759. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Riverside Ter, Sunnyside, WA last sell?

521 Riverside Ter, Sunnyside, WA last sold on Nov 20, 2020 for $302,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 521 Riverside Ter, Sunnyside, WA?

521 Riverside Ter, Sunnyside, WA has 4 bedrooms, 2.8 bathrooms, 2,976 square feet of living space and a 0.47-acre lot.

When was 521 Riverside Ter, Sunnyside, WA built?

521 Riverside Ter, Sunnyside, WA was built in 1975, making it 51 years old. It is a ranch home. The building has 1 story.

What schools serve 521 Riverside Ter, Sunnyside, WA?

521 Riverside Ter, Sunnyside, WA is assigned to Washington Elementary School (elementary), rated D+; Sunnyside High School (high), rated D; Sierra Vista Middle School (middle), rated F. All sit in Sunnyside School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Riverside Ter, Sunnyside, WA compare to other homes in Sunnyside 98944?

Among the 5,461 homes in Sunnyside 98944, it is worth more than 71% of them ($346,628 against a typical $286,069), its price per square foot is higher than 4% of them ($116 against a typical $202), it is bigger than 95% of them (2,976 ft² against a typical 1,404 ft²), its lot is bigger than 62% of them (0.47 ac against a typical 0.26 ac) and it is newer than 57% of them (1975 against a typical 1971). Measured against all of Yakima County, it is worth more than 57% 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 521 Riverside Ter, Sunnyside, WA?

The 2026 property tax bill for 521 Riverside Ter, Sunnyside, WA was $3,047. The county assessed it at $369,600.

More homes on Riverside Ter

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Assigned schools

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