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Single Family ResidenceResidential
$139,971$122 / 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 $139,150 on Aug 23, 2024

4166 GREGOR ST

MOUNT MORRIS, MI 48458
1
Baths
1,144 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$140K
$120K low$160K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$139,150 · Aug 23, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,894 (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.$80,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$74,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$77,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$161,000

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
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
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.
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyGENESEE
Lot (acres)The size of the land the home sits on, from county records.0.46
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

Foreclosure Filings(1)

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

E
Haas Elementary SchoolD-
Elementary · Grades PK–5 · 0.6 mi
M
Genesee High SchoolB-
Middle · Grades 6–12 · 0.6 mi

District: Genesee School District

Neighborhood · ZIP 48458These 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.117
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 100.19

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.1%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.19,525
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.546 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$48,460
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$63,477
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

4166 Gregor 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 69% of homes in Mount Morris 48458
  • Costs more per square foot than 66% of homes in Mount Morris 48458
  • Smaller than 66% of homes in Genesee County
  • Newer than 81% of homes in Mount Morris 48458

What homes are worth in Mount Morris 48458

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

This home
$31K$292K

This home is worth more than 69% of homes in Mount Morris 48458.

How it measures up in Mount Morris 48458

The dot is this home. The mark in the middle is the typical home in Mount Morris 48458.

Estimated value$139,971
CheaperTypical $106,149Pricier

Pricier than 69% of homes nearby

Price per ft²$122
CheaperTypical $112Pricier

Pricier than 66% of homes nearby

Living area1,144 ft²
SmallerTypical 1,180 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.46 ac
SmallerTypical 0.4 acBigger

Bigger than 53% of homes nearby

Year built1972
OlderTypical 1953Newer

Newer than 81% of homes nearby

How 4166 Gregor St ranks against every home in each area.
MeasureThis homeMount Morris 48458Genesee County
Estimated valuepricier than$139,97169% of homes38% of homes
Price per ft²pricier than$12266% of homes43% of homes
Living areabigger than1,144 ft²47% of homes34% of homes
Lot sizebigger than0.46 ac53% of homes61% of homes
Year builtnewer than197281% of homes64% of homes

About 4166 Gregor St

How much is 4166 Gregor St, Mount Morris, MI worth?

The TopHap Estimate for 4166 Gregor St, Mount Morris, MI is $139,971 as of Sep 24, 2026. The likely range is $120,022 to $159,920. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4166 Gregor St, Mount Morris, MI last sell?

4166 Gregor St, Mount Morris, MI last sold on Aug 23, 2024 for $139,150, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4166 Gregor St, Mount Morris, MI?

4166 Gregor St, Mount Morris, MI has 1 bathrooms, 1,144 square feet of living space and a 0.46-acre lot.

When was 4166 Gregor St, Mount Morris, MI built?

4166 Gregor St, Mount Morris, MI was built in 1972, making it 54 years old. It is a ranch home. The building has 1 story.

What schools serve 4166 Gregor St, Mount Morris, MI?

4166 Gregor St, Mount Morris, MI is assigned to Haas Elementary School (elementary), rated D-; Genesee High School (middle), rated B-. All sit in Genesee School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4166 Gregor St, Mount Morris, MI compare to other homes in Mount Morris 48458?

Among the 6,759 homes in Mount Morris 48458, it is worth more than 69% of them ($139,971 against a typical $106,149), its price per square foot is higher than 66% of them ($122 against a typical $112), it is bigger than 47% of them (1,144 ft² against a typical 1,180 ft²), its lot is bigger than 53% of them (0.46 ac against a typical 0.4 ac) and it is newer than 81% of them (1972 against a typical 1953). Measured against all of Genesee County, it is worth more than 38% 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 4166 Gregor St, Mount Morris, MI?

The 2025 property tax bill for 4166 Gregor St, Mount Morris, MI was $3,894. The county assessed it at $80,500.

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