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Single Family ResidenceResidential
$83,558$18 / 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 73How 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

306 WASHINGTON ST

WATERLOO, IA 50701
3
Beds
4 / 3
Baths
4,636 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.
0.64 ac
Lot SizeThe size of the land the home sits on, from county records.
1881
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
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

$84K
$61K low$106K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$217,820 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$64,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$153,520
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$217,130
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$217,820

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.18 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyBlack Hawk
Lot (acres)The size of the land the home sits on, from county records.0.64
ConstructionThe main material the home's frame and walls are built from.Brick
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Stone (Unspecified)
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.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.Porch · 316 ft²

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

E
Irving Elementary SchoolD+
Elementary · Grades KG–5 · 0.5 mi
H
Waterloo West High SchoolD
High · Grades 9–12 · 1.6 mi
M
Central Middle SchoolF
Middle · Grades 6–8 · 2.7 mi

District: Waterloo Community School District

Neighborhood · ZIP 50701These 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.101
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 100.13

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.30,091
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.444 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,009
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,898
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

306 Washington St 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 91% of homes in Waterloo 50701
  • Among the lowest price per square foot in Waterloo 50701
  • Among the largest homes in Church Row
  • Among the largest lots in Church Row
  • Among the oldest homes in Church Row

What homes are worth in Waterloo 50701

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

This home
$48K$544K

This home is worth more than 9% of homes in Waterloo 50701.

How it measures up in Waterloo 50701

The dot is this home. The mark in the middle is the typical home in Waterloo 50701.

Estimated value$83,558
CheaperTypical $207,144Pricier

Pricier than 9% of homes nearby

Price per ft²$18
CheaperTypical $170Pricier

Cheaper than almost all homes nearby

Living area4,636 ft²
SmallerTypical 1,190 ft²Bigger

Bigger than almost all homes nearby

Lot size0.64 ac
SmallerTypical 0.19 acBigger

Bigger than 92% of homes nearby

Year built1881
OlderTypical 1966Newer

Older than almost all homes nearby

How 306 Washington St ranks against every home in each area.
MeasureThis homeChurch RowWaterloo 50701Black Hawk County
Estimated valuepricier than$83,55875% of homes9% of homes12% of homes
Price per ft²pricier than$18almost no homesalmost no homesalmost no homes
Living areabigger than4,636 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than0.64 acalmost all homes92% of homes89% of homes
Year builtnewer than1881almost no homesalmost no homesalmost no homes

About 306 Washington St

How much is 306 Washington St, Waterloo, IA worth?

The TopHap Estimate for 306 Washington St, Waterloo, IA is $83,558 as of Sep 24, 2026. The likely range is $60,988 to $106,128. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 306 Washington St, Waterloo, IA?

306 Washington St, Waterloo, IA has 3 bedrooms, 4 bathrooms, 4,636 square feet of living space and a 0.64-acre lot.

When was 306 Washington St, Waterloo, IA built?

306 Washington St, Waterloo, IA was built in 1881, making it 145 years old. The building has 2 stories.

What schools serve 306 Washington St, Waterloo, IA?

306 Washington St, Waterloo, IA is assigned to Irving Elementary School (elementary), rated D+; Waterloo West High School (high), rated D; Central Middle School (middle), rated F. All sit in Waterloo Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 306 Washington St, Waterloo, IA compare to other homes in Waterloo 50701?

Among the 12,581 homes in Waterloo 50701, it is worth more than 9% of them ($83,558 against a typical $207,144), its price per square foot is higher than almost none of them ($18 against a typical $170), it is bigger than almost all of them (4,636 ft² against a typical 1,190 ft²), its lot is bigger than 92% of them (0.64 ac against a typical 0.19 ac) and it is newer than almost none of them (1881 against a typical 1966). Measured against all of Black Hawk County, it is worth more than 12% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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