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Single Family ResidenceResidential
$798,866$512 / 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 54How 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

3931 NAPIER RD

PLYMOUTH, MI 48170
3
Beds
1
Baths
1,560 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.
9.96 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$799K
$434K low$1.2M 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.$798,866
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$639,093

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,264 (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.$221,600 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$212,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$443,200

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyWASHTENAW
Lot (acres)The size of the land the home sits on, from county records.9.96
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
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(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.

H
Plymouth High SchoolA
High · Grades 9–12 · 2.8 mi
E
Isbister Elementary SchoolA
Elementary · Grades KG–5 · 3.5 mi
M
West Middle SchoolA-
Middle · Grades 6–8 · 4.3 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.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

3931 Napier Rd 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 Plymouth 48170
  • Among the highest price per square foot in Plymouth 48170
  • Among the largest lots in Plymouth 48170
  • Newer than 65% 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
$175K$1.1M

This home is worth more than 93% 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$798,866
CheaperTypical $431,577Pricier

Pricier than 93% of homes nearby

Price per ft²$512
CheaperTypical $227Pricier

Pricier than almost all homes nearby

Living area1,560 ft²
SmallerTypical 1,891 ft²Bigger

Bigger than 36% of homes nearby

Lot size9.96 ac
SmallerTypical 0.27 acBigger

Bigger than almost all homes nearby

Year built1985
OlderTypical 1973Newer

Newer than 65% of homes nearby

How 3931 Napier Rd ranks against every home in each area.
MeasureThis homePlymouth 48170Washtenaw County
Estimated valuepricier than$798,86693% of homes91% of homes
Price per ft²pricier than$512almost all homes98% of homes
Living areabigger than1,560 ft²36% of homes44% of homes
Lot sizebigger than9.96 acalmost all homes95% of homes
Year builtnewer than198565% of homes55% of homes

About 3931 Napier Rd

How much is 3931 Napier Rd, Plymouth, MI worth?

The TopHap Estimate for 3931 Napier Rd, Plymouth, MI is $798,866 as of Jul 14, 2026. The likely range is $433,771 to $1,163,961. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3931 Napier Rd, Plymouth, MI last sell?

3931 Napier Rd, Plymouth, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3931 Napier Rd, Plymouth, MI?

3931 Napier Rd, Plymouth, MI has 3 bedrooms, 1 bathrooms, 1,560 square feet of living space and a 9.96-acre lot.

When was 3931 Napier Rd, Plymouth, MI built?

3931 Napier Rd, Plymouth, MI was built in 1985, making it 41 years old. It is a ranch home. The building has 1 story.

What schools serve 3931 Napier Rd, Plymouth, MI?

3931 Napier Rd, Plymouth, MI is assigned to Plymouth High School (high), rated A; Isbister Elementary School (elementary), rated A; West Middle School (middle), rated A-. All sit in Plymouth-Canton Community Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3931 Napier Rd, Plymouth, MI compare to other homes in Plymouth 48170?

Among the 14,618 homes in Plymouth 48170, it is worth more than 93% of them ($798,866 against a typical $431,577), its price per square foot is higher than almost all of them ($512 against a typical $227), it is bigger than 36% of them (1,560 ft² against a typical 1,891 ft²), its lot is bigger than almost all of them (9.96 ac against a typical 0.27 ac) and it is newer than 65% of them (1985 against a typical 1973). Measured against all of Washtenaw County, it is worth more than 91% 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 3931 Napier Rd, Plymouth, MI?

The 2025 property tax bill for 3931 Napier Rd, Plymouth, MI was $5,264. The county assessed it at $221,600.

Closest homes

More homes in Plymouth 48170

Assigned schools

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