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Single Family ResidenceResidential
$129,949$42 / 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 77How 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

421 MAIN ST

MC GREGOR, IA 52157
3
Beds
2.3
Baths
3,130 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1886
Year BuiltThe year the home was originally built, according to county records.
2
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

$130K
$100K low$160K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,824 (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.$278,512 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,891
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$266,621
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$232,544
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$278,512

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.135 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
StyleThe architectural style of the home, such as ranch or colonial.Victorian
CountyCLAYTON
Lot (acres)The size of the land the home sits on, from county records.0.12
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
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.Patio · 216 ft²Porch · 240 ft²

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

M
Mfl Marmac Middle SchoolB+
Middle · Grades 6–8 · 0.4 mi
E
Mfl Marmac Elementary SchoolB-
Elementary · Grades PK–3 · 10.9 mi
H
Mfl Marmac High SchoolC-
High · Grades 9–12 · 10.9 mi

District: Mfl Marmac Community School District

Neighborhood · ZIP 52157These 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.174
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
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.81%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.20%
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.1,699
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.28 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,662
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,494
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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 Main 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 73% of homes in Clayton County
  • Costs less per square foot than 98% of homes in Mc Gregor 52157
  • Bigger than 97% of homes in Mc Gregor 52157
  • Has a smaller lot than 94% of homes in Clayton County
  • Older than 97% of homes in Clayton County

What homes are worth in Mc Gregor 52157

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

This home
$54K$587K

This home is worth more than 30% of homes in Mc Gregor 52157.

How it measures up in Mc Gregor 52157

The dot is this home. The mark in the middle is the typical home in Mc Gregor 52157.

Estimated value$129,949
CheaperTypical $179,708Pricier

Pricier than 30% of homes nearby

Price per ft²$42
CheaperTypical $123Pricier

Pricier than 2% of homes nearby

Living area3,130 ft²
SmallerTypical 1,522 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.11 ac
SmallerTypical 0.63 acBigger

Bigger than 7% of homes nearby

Year built1886
OlderTypical 1968Newer

Newer than 5% of homes nearby

How 421 Main St ranks against every home in each area.
MeasureThis homeMc Gregor 52157Clayton County
Estimated valuepricier than$129,94930% of homes27% of homes
Price per ft²pricier than$422% of homes3% of homes
Living areabigger than3,130 ft²97% of homes97% of homes
Lot sizebigger than0.11 ac7% of homes6% of homes
Year builtnewer than18865% of homes3% of homes

About 421 Main St

How much is 421 Main St, Mc Gregor, IA worth?

The TopHap Estimate for 421 Main St, Mc Gregor, IA is $129,949 as of Sep 24, 2026. The likely range is $100,203 to $159,695. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Main St, Mc Gregor, IA last sell?

421 Main St, Mc Gregor, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 421 Main St, Mc Gregor, IA?

421 Main St, Mc Gregor, IA has 3 bedrooms, 2.3 bathrooms, 3,130 square feet of living space and a 0.12-acre lot.

When was 421 Main St, Mc Gregor, IA built?

421 Main St, Mc Gregor, IA was built in 1886, making it 140 years old. It is a victorian home. The building has 2 stories.

What schools serve 421 Main St, Mc Gregor, IA?

421 Main St, Mc Gregor, IA is assigned to Mfl Marmac Middle School (middle), rated B+; Mfl Marmac Elementary School (elementary), rated B-; Mfl Marmac High School (high), rated C-. All sit in Mfl Marmac Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Main St, Mc Gregor, IA compare to other homes in Mc Gregor 52157?

Among the 803 homes in Mc Gregor 52157, it is worth more than 30% of them ($129,949 against a typical $179,708), its price per square foot is higher than 2% of them ($42 against a typical $123), it is bigger than 97% of them (3,130 ft² against a typical 1,522 ft²), its lot is bigger than 7% of them (0.11 ac against a typical 0.63 ac) and it is newer than 5% of them (1886 against a typical 1968). Measured against all of Clayton County, it is worth more than 27% 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 Main St, Mc Gregor, IA?

The 2025 property tax bill for 421 Main St, Mc Gregor, IA was $3,824. The county assessed it at $278,512.

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