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Single Family ResidenceResidential
$422,808$142 / 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 $437,000 on Nov 16, 2022

644 W RIVERSIDE AVE

SUNNYSIDE, WA 98944
6
Beds
3 / 3
Baths
2,968 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.
0.36 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
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

$423K
$397K low$449K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$437,000 · Nov 16, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,310 (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.$522,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$101,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$421,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$509,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$522,900

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.24
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
73
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
8
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
6
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.
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.minimal

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
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.2010
Lot (acres)The size of the land the home sits on, from county records.0.36
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Road
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 486 ft²Porch · 76 ft²

Transaction History(1)

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 SchoolC+
Elementary · Grades 1–5 · 1.0 mi
H
Sunnyside High SchoolD-
High · Grades 9–12 · 1.7 mi
M
Sierra Vista Middle SchoolD
Middle · Grades 6–8 · 2.1 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%

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

644 W Riverside 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 87% of homes in Sunnyside 98944
  • Costs less per square foot than 95% of homes in Yakima County
  • Bigger than 97% of homes in Sunnyside 98944
  • Older 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
$138K$600K

This home is worth more than 87% 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$422,808
CheaperTypical $291,713Pricier

Pricier than 87% of homes nearby

Price per ft²$142
CheaperTypical $213Pricier

Pricier than 7% of homes nearby

Living area2,968 ft²
SmallerTypical 1,366 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.36 ac
SmallerTypical 0.26 acBigger

Bigger than 58% of homes nearby

Year built1955
OlderTypical 1970Newer

Newer than 38% of homes nearby

How 644 W Riverside Ave ranks against every home in each area.
MeasureThis homeSunnyside 98944Yakima County
Estimated valuepricier than$422,80887% of homes75% of homes
Price per ft²pricier than$1427% of homes5% of homes
Living areabigger than2,968 ft²97% of homes96% of homes
Lot sizebigger than0.36 ac58% of homes60% of homes
Year builtnewer than195538% of homes35% of homes

About 644 W Riverside Ave

How much is 644 W Riverside Ave, Sunnyside, WA worth?

The TopHap Estimate for 644 W Riverside Ave, Sunnyside, WA is $422,808 as of Jul 14, 2026. The likely range is $396,512 to $449,104. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 644 W Riverside Ave, Sunnyside, WA last sell?

644 W Riverside Ave, Sunnyside, WA last sold on Nov 16, 2022 for $437,000, according to the county's recorded deed.

How big is 644 W Riverside Ave, Sunnyside, WA?

644 W Riverside Ave, Sunnyside, WA has 6 bedrooms, 3 bathrooms, 2,968 square feet of living space and a 0.36-acre lot.

When was 644 W Riverside Ave, Sunnyside, WA built?

644 W Riverside Ave, Sunnyside, WA was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 644 W Riverside Ave, Sunnyside, WA?

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

How does 644 W Riverside Ave, Sunnyside, WA compare to other homes in Sunnyside 98944?

Among the 5,507 homes in Sunnyside 98944, it is worth more than 87% of them ($422,808 against a typical $291,713), its price per square foot is higher than 7% of them ($142 against a typical $213), it is bigger than 97% of them (2,968 ft² against a typical 1,366 ft²), its lot is bigger than 58% of them (0.36 ac against a typical 0.26 ac) and it is newer than 38% of them (1955 against a typical 1970). Measured against all of Yakima County, it is worth more than 75% 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 644 W Riverside Ave, Sunnyside, WA?

The 2026 property tax bill for 644 W Riverside Ave, Sunnyside, WA was $4,310. The county assessed it at $522,900.

More homes on W Riverside Ave

Closest homes

More homes in Sunnyside 98944

Assigned schools

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