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Single Family ResidenceResidential
$323,116$139 / 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 96How 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 $100,000 on Jul 5, 2012

420 THOMAS LN

GRAND BLANC, MI 48439
4
Beds
2.5
Baths
2,328 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
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

$323K
$309K low$337K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$100,000 · Jul 5, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,899 (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.$156,600 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$153,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$313,200

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.23
1
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.
54
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.
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.0.43
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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(3)

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.

H
Grand Blanc Community High SchoolB+
High · Grades 8–12 · 0.6 mi
E
Bobcat InnovationA-
Elementary · Grades KG–12 · 0.7 mi
M
Grand Blanc Middle School EastA-
Middle · Grades 4–8 · 1.4 mi

District: Grand Blanc Community Schools

Neighborhood · ZIP 48439These 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.48
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.23

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.49,271
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.927 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,517
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,066
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

420 Thomas Ln 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 84% of homes in Genesee County
  • Costs less per square foot than 78% of homes in Grand Blanc 48439
  • Bigger than 91% of homes in Genesee County
  • Older than 73% of homes in Grand Blanc 48439

What homes are worth in Grand Blanc 48439

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

This home
$139K$657K

This home is worth more than 64% of homes in Grand Blanc 48439.

How it measures up in Grand Blanc 48439

The dot is this home. The mark in the middle is the typical home in Grand Blanc 48439.

Estimated value$323,116
CheaperTypical $284,674Pricier

Pricier than 64% of homes nearby

Price per ft²$139
CheaperTypical $163Pricier

Pricier than 22% of homes nearby

Living area2,328 ft²
SmallerTypical 1,766 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.43 ac
SmallerTypical 0.4 acBigger

Bigger than 55% of homes nearby

Year built1966
OlderTypical 1986Newer

Newer than 27% of homes nearby

How 420 Thomas Ln ranks against every home in each area.
MeasureThis homeGrand Blanc 48439Genesee County
Estimated valuepricier than$323,11664% of homes84% of homes
Price per ft²pricier than$13922% of homes52% of homes
Living areabigger than2,328 ft²77% of homes91% of homes
Lot sizebigger than0.43 ac55% of homes59% of homes
Year builtnewer than196627% of homes55% of homes

About 420 Thomas Ln

How much is 420 Thomas Ln, Grand Blanc, MI worth?

The TopHap Estimate for 420 Thomas Ln, Grand Blanc, MI is $323,116 as of Sep 24, 2026. The likely range is $309,292 to $336,940. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 420 Thomas Ln, Grand Blanc, MI last sell?

420 Thomas Ln, Grand Blanc, MI last sold on Jul 5, 2012 for $100,000, according to the county's recorded deed.

How big is 420 Thomas Ln, Grand Blanc, MI?

420 Thomas Ln, Grand Blanc, MI has 4 bedrooms, 2.5 bathrooms, 2,328 square feet of living space and a 0.43-acre lot.

When was 420 Thomas Ln, Grand Blanc, MI built?

420 Thomas Ln, Grand Blanc, MI was built in 1966, making it 60 years old. The building has 2 stories.

What schools serve 420 Thomas Ln, Grand Blanc, MI?

420 Thomas Ln, Grand Blanc, MI is assigned to Grand Blanc Community High School (high), rated B+; Bobcat Innovation (elementary), rated A-; Grand Blanc Middle School East (middle), rated A-. All sit in Grand Blanc Community Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 420 Thomas Ln, Grand Blanc, MI compare to other homes in Grand Blanc 48439?

Among the 17,483 homes in Grand Blanc 48439, it is worth more than 64% of them ($323,116 against a typical $284,674), its price per square foot is higher than 22% of them ($139 against a typical $163), it is bigger than 77% of them (2,328 ft² against a typical 1,766 ft²), its lot is bigger than 55% of them (0.43 ac against a typical 0.4 ac) and it is newer than 27% of them (1966 against a typical 1986). Measured against all of Genesee County, it is worth more than 84% 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 420 Thomas Ln, Grand Blanc, MI?

The 2025 property tax bill for 420 Thomas Ln, Grand Blanc, MI was $3,899. The county assessed it at $156,600.

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