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Single Family ResidenceResidential
$212,370$183 / 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 83How 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 $129,000 on Dec 15, 2016

100 UNION ST

FENTON, MI 48430
3
Beds
1
Baths
1,160 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1929
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$212K
$176K low$249K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$129,000 · Dec 15, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,600 (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.$91,100 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$91,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$182,200

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
18
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
7
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
55
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
60
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.3 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
CountyGENESEE
Lot (acres)The size of the land the home sits on, from county records.0.25
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(4)

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
State Road Elementary SchoolA
Elementary · Grades KG–5 · 0.5 mi
M
Andrew G Schmidt Middle SchoolB+
Middle · Grades 6–8 · 1.3 mi
H
Fenton Senior High SchoolA
High · Grades 9–12 · 1.5 mi

District: Fenton Area Public Schools

Neighborhood · ZIP 48430These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.41,200
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.466 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,161
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,448
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.52%

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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

100 Union 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 91% of homes in Fenton 48430
  • Costs less per square foot than 79% of homes in Fenton 48430
  • Smaller than 84% of homes in Fenton 48430
  • Has a smaller lot than 75% of homes in Fenton 48430
  • Older than 92% of homes in Fenton 48430

What homes are worth in Fenton 48430

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

This home
$158K$1.1M

This home is worth more than 9% of homes in Fenton 48430.

How it measures up in Fenton 48430

The dot is this home. The mark in the middle is the typical home in Fenton 48430.

Estimated value$212,370
CheaperTypical $364,931Pricier

Pricier than 9% of homes nearby

Price per ft²$183
CheaperTypical $220Pricier

Pricier than 21% of homes nearby

Living area1,160 ft²
SmallerTypical 1,700 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.25 ac
SmallerTypical 0.53 acBigger

Bigger than 25% of homes nearby

Year built1929
OlderTypical 1984Newer

Newer than 8% of homes nearby

How 100 Union St ranks against every home in each area.
MeasureThis homeFenton 48430Genesee County
Estimated valuepricier than$212,3709% of homes58% of homes
Price per ft²pricier than$18321% of homes78% of homes
Living areabigger than1,160 ft²16% of homes35% of homes
Lot sizebigger than0.25 ac25% of homes39% of homes
Year builtnewer than19298% of homes13% of homes

About 100 Union St

How much is 100 Union St, Fenton, MI worth?

The TopHap Estimate for 100 Union St, Fenton, MI is $212,370 as of Sep 24, 2026. The likely range is $175,973 to $248,767. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Union St, Fenton, MI last sell?

100 Union St, Fenton, MI last sold on Dec 15, 2016 for $129,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 100 Union St, Fenton, MI?

100 Union St, Fenton, MI has 3 bedrooms, 1 bathrooms, 1,160 square feet of living space and a 0.25-acre lot.

When was 100 Union St, Fenton, MI built?

100 Union St, Fenton, MI was built in 1929, making it 97 years old. The building has 1 story.

What schools serve 100 Union St, Fenton, MI?

100 Union St, Fenton, MI is assigned to State Road Elementary School (elementary), rated A; Andrew G Schmidt Middle School (middle), rated B+; Fenton Senior High School (high), rated A. All sit in Fenton Area Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Union St, Fenton, MI compare to other homes in Fenton 48430?

Among the 14,242 homes in Fenton 48430, it is worth more than 9% of them ($212,370 against a typical $364,931), its price per square foot is higher than 21% of them ($183 against a typical $220), it is bigger than 16% of them (1,160 ft² against a typical 1,700 ft²), its lot is bigger than 25% of them (0.25 ac against a typical 0.53 ac) and it is newer than 8% of them (1929 against a typical 1984). Measured against all of Genesee County, it is worth more than 58% 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 100 Union St, Fenton, MI?

The 2025 property tax bill for 100 Union St, Fenton, MI was $3,600. The county assessed it at $91,100.

More homes on Union St

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Assigned schools

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