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Single Family ResidenceResidential
$183,979$149 / 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 86How 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

328 BLACKBERRY AVE

RIVERSIDE, IA 52327
3
Beds
2.5
Baths
1,236 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.
0.49 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.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$184K
$159K low$209K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,956 (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.$220,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$41,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$179,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$220,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$220,600

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
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.0.49
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.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 · 120 ft²Patio · 264 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 SchoolD
Elementary · Grades PK–5 · 0.4 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

328 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 less than 82% of homes in Riverside 52327
  • Costs less per square foot than 69% of homes in Riverside 52327
  • Smaller than 77% of homes in Riverside 52327
  • Has a smaller lot than 67% 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 18% 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$183,979
CheaperTypical $298,553Pricier

Pricier than 18% of homes nearby

Price per ft²$149
CheaperTypical $183Pricier

Pricier than 31% of homes nearby

Living area1,236 ft²
SmallerTypical 1,610 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.49 ac
SmallerTypical 1.23 acBigger

Bigger than 33% of homes nearby

Year built1991
OlderTypical 1993Newer

Newer than 48% of homes nearby

How 328 Blackberry Ave ranks against every home in each area.
MeasureThis homeRiverside 52327Washington County
Estimated valuepricier than$183,97918% of homes44% of homes
Price per ft²pricier than$14931% of homes57% of homes
Living areabigger than1,236 ft²23% of homes30% of homes
Lot sizebigger than0.49 ac33% of homes57% of homes
Year builtnewer than199148% of homes70% of homes

About 328 Blackberry Ave

How much is 328 Blackberry Ave, Riverside, IA worth?

The TopHap Estimate for 328 Blackberry Ave, Riverside, IA is $183,979 as of Oct 21, 2026. The likely range is $159,011 to $208,947. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 328 Blackberry Ave, Riverside, IA last sell?

328 Blackberry Ave, Riverside, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 328 Blackberry Ave, Riverside, IA?

328 Blackberry Ave, Riverside, IA has 3 bedrooms, 2.5 bathrooms, 1,236 square feet of living space and a 0.49-acre lot.

When was 328 Blackberry Ave, Riverside, IA built?

328 Blackberry Ave, Riverside, IA was built in 1991, making it 35 years old. It is a ranch home. The building has 1 story.

What schools serve 328 Blackberry Ave, Riverside, IA?

328 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 328 Blackberry Ave, Riverside, IA compare to other homes in Riverside 52327?

Among the 1,389 homes in Riverside 52327, it is worth more than 18% of them ($183,979 against a typical $298,553), its price per square foot is higher than 31% of them ($149 against a typical $183), it is bigger than 23% of them (1,236 ft² against a typical 1,610 ft²), its lot is bigger than 33% of them (0.49 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 44% 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 328 Blackberry Ave, Riverside, IA?

The 2025 property tax bill for 328 Blackberry Ave, Riverside, IA was $2,956. The county assessed it at $220,600.

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