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Single Family ResidenceResidential
$205,282$157 / 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 92How 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 $155,000 on Mar 8, 2023

421 W 18TH ST

CARROLL, IA 51401
2
Beds
1.5
Baths
1,308 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.
0.2 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.
5
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

$205K
$190K low$221K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$155,000 · Mar 8, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,924 (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.$176,280 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$27,830
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$148,450
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$176,280
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$176,280

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCARROLL
Lot (acres)The size of the land the home sits on, from county records.0.20
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.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.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 · 112 ft²Porch · 120 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
Fairview Elementary School
Elementary · Grades PK–2 · 0.6 mi
H
Carroll High SchoolB
High · Grades 9–12 · 1.0 mi
M
Carroll Middle SchoolB-
Middle · Grades 5–8 · 1.3 mi

District: Carroll Community School District

Neighborhood · ZIP 51401These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.16

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.92%
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.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.6%
PopulationHow many people live in this area.12,365
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.72 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,490
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,497
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.33 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

421 W 18th 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.

  • Smaller than 65% of homes in Carroll County

What homes are worth in Carroll 51401

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

This home
$66K$727K

This home is worth more than 44% of homes in Carroll 51401.

How it measures up in Carroll 51401

The dot is this home. The mark in the middle is the typical home in Carroll 51401.

Estimated value$205,282
CheaperTypical $221,732Pricier

Pricier than 44% of homes nearby

Price per ft²$157
CheaperTypical $159Pricier

Pricier than 49% of homes nearby

Living area1,308 ft²
SmallerTypical 1,438 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.2 ac
SmallerTypical 0.2 acBigger

Bigger than 57% of homes nearby

Year built1956
OlderTypical 1965Newer

Newer than 40% of homes nearby

How 421 W 18th St ranks against every home in each area.
MeasureThis homeCarroll 51401Carroll County
Estimated valuepricier than$205,28244% of homes53% of homes
Price per ft²pricier than$15749% of homes62% of homes
Living areabigger than1,308 ft²39% of homes35% of homes
Lot sizebigger than0.2 ac57% of homes50% of homes
Year builtnewer than195640% of homes49% of homes

About 421 W 18th St

How much is 421 W 18th St, Carroll, IA worth?

The TopHap Estimate for 421 W 18th St, Carroll, IA is $205,282 as of Sep 24, 2026. The likely range is $189,872 to $220,692. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 W 18th St, Carroll, IA last sell?

421 W 18th St, Carroll, IA last sold on Mar 8, 2023 for $155,000, according to the county's recorded deed.

How big is 421 W 18th St, Carroll, IA?

421 W 18th St, Carroll, IA has 2 bedrooms, 1.5 bathrooms, 1,308 square feet of living space and a 0.20-acre lot.

When was 421 W 18th St, Carroll, IA built?

421 W 18th St, Carroll, IA was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 421 W 18th St, Carroll, IA?

421 W 18th St, Carroll, IA is assigned to Fairview Elementary School (elementary); Carroll High School (high), rated B; Carroll Middle School (middle), rated B-. All sit in Carroll Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 W 18th St, Carroll, IA compare to other homes in Carroll 51401?

Among the 4,685 homes in Carroll 51401, it is worth more than 44% of them ($205,282 against a typical $221,732), its price per square foot is higher than 49% of them ($157 against a typical $159), it is bigger than 39% of them (1,308 ft² against a typical 1,438 ft²), its lot is bigger than 57% of them (0.2 ac against a typical 0.2 ac) and it is newer than 40% of them (1956 against a typical 1965). Measured against all of Carroll County, it is worth more than 53% 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 421 W 18th St, Carroll, IA?

The 2025 property tax bill for 421 W 18th St, Carroll, IA was $1,924. The county assessed it at $176,280.

More homes on W 18th St

Closest homes

More homes in Carroll 51401

Assigned schools

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