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Single Family ResidenceResidential
$254,006$110 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $25,000 on Jul 8, 2011

336 BLACKBERRY AVE

RIVERSIDE, IA 52327
4
Beds
2.5
Baths
2,302 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.
0.44 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
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.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$254K
$221K low$287K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$25,000 · Jul 8, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,144 (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.$375,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$324,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$375,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$375,800

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.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
29
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
75
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
62
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
8
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
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.0.44
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.DeckPatio · 107 ft²Porch · 150 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
Highland Elementary SchoolD
Elementary · Grades PK–5 · 0.3 mi
M
Highland Middle SchoolC
Middle · Grades 6–8 · 5.5 mi
H
Highland High SchoolB-
High · Grades 9–12 · 5.5 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

336 Blackberry 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 66% of homes in Washington County
  • Costs less per square foot than 89% of homes in Riverside 52327
  • Bigger than 88% of homes in Washington County
  • Has a smaller lot than 69% of homes in Riverside 52327
  • Newer than 70% 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
$105K$658K

This home is worth more than 37% 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$254,006
CheaperTypical $298,553Pricier

Pricier than 37% of homes nearby

Price per ft²$110
CheaperTypical $183Pricier

Pricier than 11% of homes nearby

Living area2,302 ft²
SmallerTypical 1,610 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.44 ac
SmallerTypical 1.23 acBigger

Bigger than 31% of homes nearby

Year built1991
OlderTypical 1993Newer

Newer than 48% of homes nearby

How 336 Blackberry Ave ranks against every home in each area.
MeasureThis homeRiverside 52327Washington County
Estimated valuepricier than$254,00637% of homes66% of homes
Price per ft²pricier than$11011% of homes33% of homes
Living areabigger than2,302 ft²87% of homes88% of homes
Lot sizebigger than0.44 ac31% of homes55% of homes
Year builtnewer than199148% of homes70% of homes

About 336 Blackberry Ave

How much is 336 Blackberry Ave, Riverside, IA worth?

The TopHap Estimate for 336 Blackberry Ave, Riverside, IA is $254,006 as of Oct 21, 2026. The likely range is $220,996 to $287,016. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 336 Blackberry Ave, Riverside, IA last sell?

336 Blackberry Ave, Riverside, IA last sold on Jul 8, 2011 for $25,000, according to the county's recorded deed.

How big is 336 Blackberry Ave, Riverside, IA?

336 Blackberry Ave, Riverside, IA has 4 bedrooms, 2.5 bathrooms, 2,302 square feet of living space and a 0.44-acre lot.

When was 336 Blackberry Ave, Riverside, IA built?

336 Blackberry Ave, Riverside, IA was built in 1991, making it 35 years old. It is a conventional home. The building has 2 stories.

What schools serve 336 Blackberry Ave, Riverside, IA?

336 Blackberry Ave, Riverside, IA is assigned to Highland Elementary School (elementary), rated D; 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 336 Blackberry Ave, Riverside, IA compare to other homes in Riverside 52327?

Among the 1,389 homes in Riverside 52327, it is worth more than 37% of them ($254,006 against a typical $298,553), its price per square foot is higher than 11% of them ($110 against a typical $183), it is bigger than 87% of them (2,302 ft² against a typical 1,610 ft²), its lot is bigger than 31% of them (0.44 ac against a typical 1.23 ac) and it is newer than 48% of them (1991 against a typical 1993). Measured against all of Washington County, it is worth more than 66% 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 336 Blackberry Ave, Riverside, IA?

The 2025 property tax bill for 336 Blackberry Ave, Riverside, IA was $5,144. The county assessed it at $375,800.

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