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Single Family ResidenceResidential
$503,911$173 / 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 51How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

640 POTOMAC ST

NORTHVILLE, MI 48167
4
Beds
2.5
Baths
2,917 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.
0.44 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
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

$504K
$255K low$752K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,103 (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.$481,900 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$469,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$963,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWAYNE
Lot (acres)The size of the land the home sits on, from county records.0.44
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

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

M
Hillside Middle SchoolA+
Middle · Grades 6–8 · 0.4 mi
E
Moraine Elementary SchoolA+
Elementary · Grades KG–5 · 0.7 mi
H
Northville High SchoolA+
High · Grades 9–12 · 1.6 mi

District: Northville Public Schools

Neighborhood · ZIP 48167These 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.47
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.26,674
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,370 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,938
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$164,331
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.33 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

640 Potomac 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 93% of homes in Wayne County
  • Costs less per square foot than 94% of homes in Northville 48167
  • Bigger than 96% of homes in Wayne County
  • Has a bigger lot than 94% of homes in Wayne County
  • Newer than 86% of homes in Wayne County

What homes are worth in Northville 48167

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

This home
$155K$1.9M

This home is worth more than 52% of homes in Northville 48167.

How it measures up in Northville 48167

The dot is this home. The mark in the middle is the typical home in Northville 48167.

Estimated value$503,911
CheaperTypical $496,971Pricier

Pricier than 52% of homes nearby

Price per ft²$173
CheaperTypical $241Pricier

Pricier than 6% of homes nearby

Living area2,917 ft²
SmallerTypical 2,180 ft²Bigger

Bigger than 74% of homes nearby

Lot size0.44 ac
SmallerTypical 0.43 acBigger

Bigger than 51% of homes nearby

Year built1983
OlderTypical 1978Newer

Newer than 61% of homes nearby

How 640 Potomac St ranks against every home in each area.
MeasureThis homeNorthville 48167Wayne County
Estimated valuepricier than$503,91152% of homes93% of homes
Price per ft²pricier than$1736% of homes64% of homes
Living areabigger than2,917 ft²74% of homes96% of homes
Lot sizebigger than0.44 ac51% of homes94% of homes
Year builtnewer than198361% of homes86% of homes

About 640 Potomac St

How much is 640 Potomac St, Northville, MI worth?

The TopHap Estimate for 640 Potomac St, Northville, MI is $503,911 as of Oct 21, 2026. The likely range is $255,412 to $752,410. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Potomac St, Northville, MI last sell?

640 Potomac St, Northville, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 640 Potomac St, Northville, MI?

640 Potomac St, Northville, MI has 4 bedrooms, 2.5 bathrooms, 2,917 square feet of living space and a 0.44-acre lot.

When was 640 Potomac St, Northville, MI built?

640 Potomac St, Northville, MI was built in 1983, making it 43 years old. The building has 2 stories.

What schools serve 640 Potomac St, Northville, MI?

640 Potomac St, Northville, MI is assigned to Hillside Middle School (middle), rated A+; Moraine Elementary School (elementary), rated A+; Northville High School (high), rated A+. All sit in Northville Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 Potomac St, Northville, MI compare to other homes in Northville 48167?

Among the 8,859 homes in Northville 48167, it is worth more than 52% of them ($503,911 against a typical $496,971), its price per square foot is higher than 6% of them ($173 against a typical $241), it is bigger than 74% of them (2,917 ft² against a typical 2,180 ft²), its lot is bigger than 51% of them (0.44 ac against a typical 0.43 ac) and it is newer than 61% of them (1983 against a typical 1978). Measured against all of Wayne County, it is worth more than 93% 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 640 Potomac St, Northville, MI?

The 2025 property tax bill for 640 Potomac St, Northville, MI was $11,103. The county assessed it at $481,900.

More homes on Potomac St

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