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Rural ResidenceResidential
$563,079$179 / 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 82How 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 $200,000 on Sep 4, 2014

21656 MAHOGANY AVE

CARROLL, IA 51401
5
Beds
0
Baths
3,151 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.
12.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.

Valuation

$563K
$463K low$663K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$200,000 · Sep 4, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,758 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$309,450 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$26,250
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$283,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$309,450
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$309,450

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.28
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
65
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
51
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
7
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Rural Residence
CountyCARROLL
Lot (acres)The size of the land the home sits on, from county records.12.40
PoolWhether the property has a pool, and what kind, such as in-ground.No

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 · 2.7 mi
H
Carroll High SchoolB
High · Grades 9–12 · 3.5 mi
M
Carroll Middle SchoolC-
Middle · Grades 5–8 · 3.8 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

21656 Mahogany 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 96% of homes in Carroll County
  • Costs more per square foot than 70% of homes in Carroll County
  • Bigger than 97% of homes in Carroll County
  • Has a bigger lot than 96% of homes in Carroll 51401
  • Older than 86% of homes in Carroll 51401

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
$70K$764K

This home is worth more than 94% 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$563,079
CheaperTypical $225,197Pricier

Pricier than 94% of homes nearby

Price per ft²$179
CheaperTypical $164Pricier

Pricier than 59% of homes nearby

Living area3,151 ft²
SmallerTypical 1,436 ft²Bigger

Bigger than 96% of homes nearby

Lot size12.4 ac
SmallerTypical 0.2 acBigger

Bigger than 96% of homes nearby

Year built1910
OlderTypical 1966Newer

Newer than 14% of homes nearby

How 21656 Mahogany Ave ranks against every home in each area.
MeasureThis homeCarroll 51401Carroll County
Estimated valuepricier than$563,07994% of homes96% of homes
Price per ft²pricier than$17959% of homes70% of homes
Living areabigger than3,151 ft²96% of homes97% of homes
Lot sizebigger than12.4 ac96% of homes93% of homes
Year builtnewer than191014% of homes21% of homes

About 21656 Mahogany Ave

How much is 21656 Mahogany Ave, Carroll, IA worth?

The TopHap Estimate for 21656 Mahogany Ave, Carroll, IA is $563,079 as of Oct 21, 2026. The likely range is $463,375 to $662,783. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21656 Mahogany Ave, Carroll, IA last sell?

21656 Mahogany Ave, Carroll, IA last sold on Sep 4, 2014 for $200,000, according to the county's recorded deed.

How big is 21656 Mahogany Ave, Carroll, IA?

21656 Mahogany Ave, Carroll, IA has 5 bedrooms, 3,151 square feet of living space and a 12.40-acre lot.

When was 21656 Mahogany Ave, Carroll, IA built?

21656 Mahogany Ave, Carroll, IA was built in 1910, making it 116 years old.

What schools serve 21656 Mahogany Ave, Carroll, IA?

21656 Mahogany Ave, Carroll, IA is assigned to Fairview Elementary School (elementary); Carroll High School (high), rated B; Carroll Middle School (middle), rated C-. All sit in Carroll Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21656 Mahogany Ave, Carroll, IA compare to other homes in Carroll 51401?

Among the 4,706 homes in Carroll 51401, it is worth more than 94% of them ($563,079 against a typical $225,197), its price per square foot is higher than 59% of them ($179 against a typical $164), it is bigger than 96% of them (3,151 ft² against a typical 1,436 ft²), its lot is bigger than 96% of them (12.4 ac against a typical 0.2 ac) and it is newer than 14% of them (1910 against a typical 1966). Measured against all of Carroll County, it is worth more than 96% 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 21656 Mahogany Ave, Carroll, IA?

The 2026 property tax bill for 21656 Mahogany Ave, Carroll, IA was $2,758. The county assessed it at $309,450.

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