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Single Family ResidenceResidential
$154,794$140 / 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 86How 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 $150,000 on Aug 11, 2025

518 MASON ST

FLINT, MI 48503
4
Beds
2
Baths
1,104 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.
3,746 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
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.

Valuation

$155K
$133K low$176K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$150,000 · Aug 11, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,334 (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.$45,900 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$43,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$91,800

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.22
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
53
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
55
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.0.09
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.Porch · 167 ft²

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
Doyle-Ryder Elementary SchoolF
Elementary · Grades KG–6 · 0.5 mi
H
Southwestern Classical AcademyF
High · Grades 9–12 · 1.5 mi
M
Holmes STEM Middle School AcademyF
Middle · Grades 6–8 · 4.1 mi

District: Flint City School District

Neighborhood · ZIP 48503These 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.155
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.25%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.21,281
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,470 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$44,289
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$59,151
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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

518 Mason 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 more than 91% of homes in Carriage Town
  • Among the highest price per square foot in Carriage Town
  • Smaller than 95% of homes in Carriage Town
  • Has a smaller lot than 96% of homes in Genesee County
  • Older than 98% of homes in Genesee County

What homes are worth in Flint 48503

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

This home
$18K$254K

This home is worth more than 89% of homes in Flint 48503.

How it measures up in Flint 48503

The dot is this home. The mark in the middle is the typical home in Flint 48503.

Estimated value$154,794
CheaperTypical $63,190Pricier

Pricier than 89% of homes nearby

Price per ft²$140
CheaperTypical $56Pricier

Pricier than almost all homes nearby

Living area1,104 ft²
SmallerTypical 1,170 ft²Bigger

Bigger than 44% of homes nearby

Lot size3,746 ft²
SmallerTypical 0.13 acBigger

Bigger than 6% of homes nearby

Year built1900
OlderTypical 1940Newer

Newer than 3% of homes nearby

How 518 Mason St ranks against every home in each area.
MeasureThis homeCarriage TownFlint 48503Genesee County
Estimated valuepricier than$154,79491% of homes89% of homes42% of homes
Price per ft²pricier than$140almost all homesalmost all homes53% of homes
Living areabigger than1,104 ft²5% of homes44% of homes32% of homes
Lot sizebigger than3,746 ft²24% of homes6% of homes4% of homes
Year builtnewer than190042% of homes3% of homes2% of homes

About 518 Mason St

How much is 518 Mason St, Flint, MI worth?

The TopHap Estimate for 518 Mason St, Flint, MI is $154,794 as of Sep 24, 2026. The likely range is $133,235 to $176,353. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 518 Mason St, Flint, MI last sell?

518 Mason St, Flint, MI last sold on Aug 11, 2025 for $150,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 518 Mason St, Flint, MI?

518 Mason St, Flint, MI has 4 bedrooms, 2 bathrooms, 1,104 square feet of living space and a 0.09-acre lot.

When was 518 Mason St, Flint, MI built?

518 Mason St, Flint, MI was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 518 Mason St, Flint, MI?

518 Mason St, Flint, MI is assigned to Doyle-Ryder Elementary School (elementary), rated F; Southwestern Classical Academy (high), rated F; Holmes STEM Middle School Academy (middle), rated F. All sit in Flint City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 518 Mason St, Flint, MI compare to other homes in Flint 48503?

Among the 8,705 homes in Flint 48503, it is worth more than 89% of them ($154,794 against a typical $63,190), its price per square foot is higher than almost all of them ($140 against a typical $56), it is bigger than 44% of them (1,104 ft² against a typical 1,170 ft²), its lot is bigger than 6% of them (3,746 ft² against a typical 0.13 ac) and it is newer than 3% of them (1900 against a typical 1940). Measured against all of Genesee County, it is worth more than 42% 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 518 Mason St, Flint, MI?

The 2025 property tax bill for 518 Mason St, Flint, MI was $3,334. The county assessed it at $45,900.

More homes on Mason St

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