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Single Family ResidenceResidential
$289,588$241 / 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 91How 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
Last sold for $215,000 on Apr 7, 2020

311 21ST ST

AMES, IA 50010
3
Beds
2.5
Baths
1,200 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$290K
$265K low$314K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$215,000 · Apr 7, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,110 (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.$324,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$57,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$267,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$293,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$324,300

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.15 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
CountySTORY
Lot (acres)The size of the land the home sits on, from county records.0.24
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.Yes
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, 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.DeckPatio · 266 ft²

Transaction History(4)

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
Meeker Elementary SchoolB-
Elementary · Grades KG–5 · 0.2 mi
H
Ames High SchoolB-
High · Grades 9–12 · 1.1 mi
M
Ames Middle SchoolC+
Middle · Grades 6–8 · 3.5 mi

District: Ames Community School District

Neighborhood · ZIP 50010These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
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.0.9%
PopulationHow many people live in this area.33,538
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.551 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,385
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,292
Average tempThe average temperature here across a full year.48°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%

Owner Tools

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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

311 21st 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.

  • Costs more per square foot than 73% of homes in Story County
  • Smaller than 70% of homes in Ames 50010
  • Older than 74% of homes in Ames 50010

What homes are worth in Ames 50010

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

This home
$127K$735K

This home is worth more than 49% of homes in Ames 50010.

How it measures up in Ames 50010

The dot is this home. The mark in the middle is the typical home in Ames 50010.

Estimated value$289,588
CheaperTypical $292,501Pricier

Pricier than 49% of homes nearby

Price per ft²$241
CheaperTypical $207Pricier

Pricier than 70% of homes nearby

Living area1,200 ft²
SmallerTypical 1,420 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.24 ac
SmallerTypical 0.21 acBigger

Bigger than 64% of homes nearby

Year built1956
OlderTypical 1975Newer

Newer than 26% of homes nearby

How 311 21st St ranks against every home in each area.
MeasureThis homeAmes 50010Story County
Estimated valuepricier than$289,58849% of homes55% of homes
Price per ft²pricier than$24170% of homes73% of homes
Living areabigger than1,200 ft²30% of homes32% of homes
Lot sizebigger than0.24 ac64% of homes51% of homes
Year builtnewer than195626% of homes27% of homes

About 311 21st St

How much is 311 21st St, Ames, IA worth?

The TopHap Estimate for 311 21st St, Ames, IA is $289,588 as of Sep 24, 2026. The likely range is $264,933 to $314,243. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 311 21st St, Ames, IA last sell?

311 21st St, Ames, IA last sold on Apr 7, 2020 for $215,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 311 21st St, Ames, IA?

311 21st St, Ames, IA has 3 bedrooms, 2.5 bathrooms, 1,200 square feet of living space and a 0.24-acre lot.

When was 311 21st St, Ames, IA built?

311 21st St, Ames, IA was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 311 21st St, Ames, IA?

311 21st St, Ames, IA is assigned to Meeker Elementary School (elementary), rated B-; Ames High School (high), rated B-; Ames Middle School (middle), rated C+. All sit in Ames Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 311 21st St, Ames, IA compare to other homes in Ames 50010?

Among the 9,689 homes in Ames 50010, it is worth more than 49% of them ($289,588 against a typical $292,501), its price per square foot is higher than 70% of them ($241 against a typical $207), it is bigger than 30% of them (1,200 ft² against a typical 1,420 ft²), its lot is bigger than 64% of them (0.24 ac against a typical 0.21 ac) and it is newer than 26% of them (1956 against a typical 1975). Measured against all of Story County, it is worth more than 55% 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 311 21st St, Ames, IA?

The 2025 property tax bill for 311 21st St, Ames, IA was $4,110. The county assessed it at $324,300.

More homes on 21st St

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