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Single Family ResidenceResidential
$108,214$133 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

421 THOMAS ST

HOLLY, MI 48442
3
Beds
1
Baths
816 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$108K
$102K low$114K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,992 (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.$67,520 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$63,010
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$135,040

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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyOAKLAND
Lot (acres)The size of the land the home sits on, from county records.0.21
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
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

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

E
Holly Elementary SchoolB-
Elementary · Grades PK–5 · 0.5 mi
M
Holly Middle SchoolC+
Middle · Grades 6–8 · 1.3 mi
H
Holly High SchoolC+
High · Grades 8–12 · 2.0 mi

District: Holly Area School District

Neighborhood · ZIP 48442These 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.110
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
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.22,520
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.257 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,613
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,823
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.53%

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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 Thomas 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.

  • Among the least valuable homes in Holly 48442
  • Costs less per square foot than 90% of homes in Oakland County
  • Smaller than 98% of homes in Holly 48442
  • Has a smaller lot than 81% of homes in Holly 48442
  • Older than 67% of homes in Holly 48442

What homes are worth in Holly 48442

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

This home
$117K$677K

This home is worth less than almost all homes in Holly 48442.

How it measures up in Holly 48442

The dot is this home. The mark in the middle is the typical home in Holly 48442.

Estimated value$108,214
CheaperTypical $300,955Pricier

Cheaper than almost all homes nearby

Price per ft²$133
CheaperTypical $183Pricier

Pricier than 14% of homes nearby

Living area816 ft²
SmallerTypical 1,672 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.21 ac
SmallerTypical 1 acBigger

Bigger than 19% of homes nearby

Year built1968
OlderTypical 1978Newer

Newer than 33% of homes nearby

How 421 Thomas St ranks against every home in each area.
MeasureThis homeHolly 48442Oakland County
Estimated valuepricier than$108,214almost no homes3% of homes
Price per ft²pricier than$13314% of homes10% of homes
Living areabigger than816 ft²2% of homes4% of homes
Lot sizebigger than0.21 ac19% of homes31% of homes
Year builtnewer than196833% of homes46% of homes

About 421 Thomas St

How much is 421 Thomas St, Holly, MI worth?

The TopHap Estimate for 421 Thomas St, Holly, MI is $108,214 as of Aug 30, 2026. The likely range is $102,348 to $114,080. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Thomas St, Holly, MI last sell?

421 Thomas St, Holly, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 421 Thomas St, Holly, MI?

421 Thomas St, Holly, MI has 3 bedrooms, 1 bathrooms, 816 square feet of living space and a 0.21-acre lot.

When was 421 Thomas St, Holly, MI built?

421 Thomas St, Holly, MI was built in 1968, making it 58 years old. It is a ranch home. The building has 1 story.

What schools serve 421 Thomas St, Holly, MI?

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

How does 421 Thomas St, Holly, MI compare to other homes in Holly 48442?

Among the 7,428 homes in Holly 48442, it is worth more than almost none of them ($108,214 against a typical $300,955), its price per square foot is higher than 14% of them ($133 against a typical $183), it is bigger than 2% of them (816 ft² against a typical 1,672 ft²), its lot is bigger than 19% of them (0.21 ac against a typical 1 ac) and it is newer than 33% of them (1968 against a typical 1978). Measured against all of Oakland County, it is worth more than 3% 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 Thomas St, Holly, MI?

The 2025 property tax bill for 421 Thomas St, Holly, MI was $1,992. The county assessed it at $67,520.

More homes on Thomas St

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Assigned schools

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