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Single Family ResidenceResidential
$361,745$297 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

640 SIMPSON ST

PLYMOUTH, MI 48170
3
Beds
1.5
Baths
1,218 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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

$362K
$340K low$384K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$361,745
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$289,396

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,688 (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.$185,500 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$179,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$371,000

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.0.19
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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

Transaction History(2)

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.

M
East Middle SchoolA+
Middle · Grades 6–8 · 0.3 mi
E
Smith Elementary SchoolA-
Elementary · Grades KG–5 · 0.4 mi
H
Canton High SchoolA
High · Grades 9–12 · 1.6 mi

District: Plymouth-Canton Community Schools

Neighborhood · ZIP 48170These 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.44
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.40,579
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,174 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,635
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,702
Average tempThe average temperature here across a full year.49°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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 Simpson 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 85% of homes in Wayne County
  • Costs more per square foot than 98% of homes in Wayne County
  • Smaller than 80% of homes in Plymouth 48170
  • Has a bigger lot than 74% of homes in Wayne County
  • Older than 80% of homes in Plymouth 48170

What homes are worth in Plymouth 48170

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

This home
$167K$1M

This home is worth more than 33% of homes in Plymouth 48170.

How it measures up in Plymouth 48170

The dot is this home. The mark in the middle is the typical home in Plymouth 48170.

Estimated value$361,745
CheaperTypical $431,509Pricier

Pricier than 33% of homes nearby

Price per ft²$297
CheaperTypical $226Pricier

Pricier than 84% of homes nearby

Living area1,218 ft²
SmallerTypical 1,903 ft²Bigger

Bigger than 20% of homes nearby

Lot size0.19 ac
SmallerTypical 0.27 acBigger

Bigger than 29% of homes nearby

Year built1956
OlderTypical 1973Newer

Newer than 20% of homes nearby

How 640 Simpson St ranks against every home in each area.
MeasureThis homePlymouth 48170Wayne County
Estimated valuepricier than$361,74533% of homes85% of homes
Price per ft²pricier than$29784% of homes98% of homes
Living areabigger than1,218 ft²20% of homes46% of homes
Lot sizebigger than0.19 ac29% of homes74% of homes
Year builtnewer than195620% of homes66% of homes

About 640 Simpson St

How much is 640 Simpson St, Plymouth, MI worth?

The TopHap Estimate for 640 Simpson St, Plymouth, MI is $361,745 as of Jul 14, 2026. The likely range is $339,731 to $383,759. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Simpson St, Plymouth, MI last sell?

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

How big is 640 Simpson St, Plymouth, MI?

640 Simpson St, Plymouth, MI has 3 bedrooms, 1.5 bathrooms, 1,218 square feet of living space and a 0.19-acre lot.

When was 640 Simpson St, Plymouth, MI built?

640 Simpson St, Plymouth, MI was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 640 Simpson St, Plymouth, MI?

640 Simpson St, Plymouth, MI is assigned to East Middle School (middle), rated A+; Smith Elementary School (elementary), rated A-; Canton High School (high), rated A. All sit in Plymouth-Canton Community Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 Simpson St, Plymouth, MI compare to other homes in Plymouth 48170?

Among the 14,618 homes in Plymouth 48170, it is worth more than 33% of them ($361,745 against a typical $431,509), its price per square foot is higher than 84% of them ($297 against a typical $226), it is bigger than 20% of them (1,218 ft² against a typical 1,903 ft²), its lot is bigger than 29% of them (0.19 ac against a typical 0.27 ac) and it is newer than 20% of them (1956 against a typical 1973). Measured against all of Wayne County, it is worth more than 85% 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 Simpson St, Plymouth, MI?

The 2025 property tax bill for 640 Simpson St, Plymouth, MI was $5,688. The county assessed it at $185,500.

Closest homes

More homes in Plymouth 48170

Assigned schools

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