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Single Family ResidenceResidential
$68,712$57 / 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 75How 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 $39,750 on Apr 4, 2022

421 N MILL ST

CLIO, MI 48420
4
Beds
1.5
Baths
1,210 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1937
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$69K
$52K low$86K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$39,750 · Apr 4, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,850 (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.$52,800 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$48,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$105,600

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.40
80
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
56
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
57
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
2
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.38 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.0.2 percent flood zone

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
CountyGENESEE
Lot (acres)The size of the land the home sits on, from county records.0.12
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

M
Clio Middle SchoolB-
Middle · Grades 6–8 · 0.2 mi
H
Clio Area High SchoolB-
High · Grades 8–12 · 0.5 mi

District: Clio Area School District

Neighborhood · ZIP 48420These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.20,617
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.316 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,000
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,192
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.32 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.50%

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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 N Mill 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 97% of homes in Clio 48420
  • Among the lowest price per square foot in Clio 48420
  • Smaller than 71% of homes in Clio 48420
  • Has a smaller lot than 97% of homes in Clio 48420
  • Older than 90% of homes in Clio 48420

What homes are worth in Clio 48420

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

This home
$65K$424K

This home is worth more than 3% of homes in Clio 48420.

How it measures up in Clio 48420

The dot is this home. The mark in the middle is the typical home in Clio 48420.

Estimated value$68,712
CheaperTypical $209,214Pricier

Pricier than 3% of homes nearby

Price per ft²$57
CheaperTypical $149Pricier

Cheaper than almost all homes nearby

Living area1,210 ft²
SmallerTypical 1,413 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.12 ac
SmallerTypical 0.84 acBigger

Bigger than 3% of homes nearby

Year built1937
OlderTypical 1971Newer

Newer than 10% of homes nearby

How 421 N Mill St ranks against every home in each area.
MeasureThis homeClio 48420Genesee County
Estimated valuepricier than$68,7123% of homes23% of homes
Price per ft²pricier than$57almost no homes20% of homes
Living areabigger than1,210 ft²29% of homes39% of homes
Lot sizebigger than0.12 ac3% of homes17% of homes
Year builtnewer than193710% of homes16% of homes

About 421 N Mill St

How much is 421 N Mill St, Clio, MI worth?

The TopHap Estimate for 421 N Mill St, Clio, MI is $68,712 as of Oct 21, 2026. The likely range is $51,808 to $85,616. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 N Mill St, Clio, MI last sell?

421 N Mill St, Clio, MI last sold on Apr 4, 2022 for $39,750, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 421 N Mill St, Clio, MI?

421 N Mill St, Clio, MI has 4 bedrooms, 1.5 bathrooms, 1,210 square feet of living space and a 0.12-acre lot.

When was 421 N Mill St, Clio, MI built?

421 N Mill St, Clio, MI was built in 1937, making it 89 years old. The building has 2 stories.

What schools serve 421 N Mill St, Clio, MI?

421 N Mill St, Clio, MI is assigned to Clio Middle School (middle), rated B-; Clio Area High School (high), rated B-. All sit in Clio Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 N Mill St, Clio, MI compare to other homes in Clio 48420?

Among the 8,156 homes in Clio 48420, it is worth more than 3% of them ($68,712 against a typical $209,214), its price per square foot is higher than almost none of them ($57 against a typical $149), it is bigger than 29% of them (1,210 ft² against a typical 1,413 ft²), its lot is bigger than 3% of them (0.12 ac against a typical 0.84 ac) and it is newer than 10% of them (1937 against a typical 1971). Measured against all of Genesee County, it is worth more than 23% 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 N Mill St, Clio, MI?

The 2025 property tax bill for 421 N Mill St, Clio, MI was $1,850. The county assessed it at $52,800.

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