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Single Family ResidenceResidential
$138,531$75 / 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 84How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

31 WASHINGTON ST S

RIVERSIDE, IA 52327
4
Beds
1.5
Baths
1,837 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.
0.45 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$139K
$117K low$160K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,610 (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.$210,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$180,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$196,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$210,700

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.34 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.0.45
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.None
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, Detached
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.Porch · 150 ft²

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

E
Highland Elementary SchoolC-
Elementary · Grades PK–5 · 0.9 mi
M
Highland Middle SchoolC+
Middle · Grades 6–8 · 5.4 mi
H
Highland High SchoolB-
High · Grades 9–12 · 5.4 mi

District: Highland Community School District

Neighborhood · ZIP 52327These 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.132
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.4,602
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.55 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,498
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,299
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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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

31 Washington St S 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 95% of homes in Riverside 52327
  • Among the lowest price per square foot in Riverside 52327
  • Bigger than 71% of homes in Washington County
  • Has a smaller lot than 69% of homes in Riverside 52327
  • Older than 94% of homes in Washington County

What homes are worth in Riverside 52327

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

This home
$114K$643K

This home is worth more than 5% of homes in Riverside 52327.

How it measures up in Riverside 52327

The dot is this home. The mark in the middle is the typical home in Riverside 52327.

Estimated value$138,531
CheaperTypical $295,650Pricier

Pricier than 5% of homes nearby

Price per ft²$75
CheaperTypical $183Pricier

Cheaper than almost all homes nearby

Living area1,837 ft²
SmallerTypical 1,606 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.45 ac
SmallerTypical 1.23 acBigger

Bigger than 31% of homes nearby

Year built1890
OlderTypical 1993Newer

Newer than 7% of homes nearby

How 31 Washington St S ranks against every home in each area.
MeasureThis homeRiverside 52327Washington County
Estimated valuepricier than$138,5315% of homes25% of homes
Price per ft²pricier than$75almost no homes11% of homes
Living areabigger than1,837 ft²67% of homes71% of homes
Lot sizebigger than0.45 ac31% of homes55% of homes
Year builtnewer than18907% of homes6% of homes

About 31 Washington St S

How much is 31 Washington St S, Riverside, IA worth?

The TopHap Estimate for 31 Washington St S, Riverside, IA is $138,531 as of Aug 30, 2026. The likely range is $116,947 to $160,115. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Washington St S, Riverside, IA last sell?

31 Washington St S, Riverside, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 31 Washington St S, Riverside, IA?

31 Washington St S, Riverside, IA has 4 bedrooms, 1.5 bathrooms, 1,837 square feet of living space and a 0.45-acre lot.

When was 31 Washington St S, Riverside, IA built?

31 Washington St S, Riverside, IA was built in 1890, making it 136 years old. The building has 2 stories.

What schools serve 31 Washington St S, Riverside, IA?

31 Washington St S, Riverside, IA is assigned to Highland Elementary School (elementary), rated C-; Highland Middle School (middle), rated C+; Highland High School (high), rated B-. All sit in Highland Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 Washington St S, Riverside, IA compare to other homes in Riverside 52327?

Among the 1,389 homes in Riverside 52327, it is worth more than 5% of them ($138,531 against a typical $295,650), its price per square foot is higher than almost none of them ($75 against a typical $183), it is bigger than 67% of them (1,837 ft² against a typical 1,606 ft²), its lot is bigger than 31% of them (0.45 ac against a typical 1.23 ac) and it is newer than 7% of them (1890 against a typical 1993). Measured against all of Washington County, it is worth more than 25% 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 31 Washington St S, Riverside, IA?

The 2025 property tax bill for 31 Washington St S, Riverside, IA was $2,610. The county assessed it at $210,700.

More homes on Washington St S

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