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Single Family ResidenceResidential
$404,815$567 / 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 92How 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 $250,000 on Sep 17, 2020

31730 N RIVER RD

HARRISON TOWNSHIP, MI 48045
1
Baths
714 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1935
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

$405K
$374K low$436K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$250,000 · Sep 17, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,839 (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.$166,800 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$157,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$333,600

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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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
CountyMACOMB
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.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

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.

E
South River Elementary SchoolB
Elementary · Grades KG–5 · 1.9 mi
H
High SchoolB-
High · Grades 9–12 · 3.2 mi
M
Middle School CentralB-
Middle · Grades 6–8 · 3.3 mi

District: L'Anse Creuse Public Schools

Neighborhood · ZIP 48045These 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.134
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.24,436
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,043 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,784
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,578
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%

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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

31730 N River 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 79% of homes in Macomb County
  • Among the highest price per square foot in Harrison Township 48045
  • Among the smallest homes in Harrison Township 48045
  • Has a smaller lot than 87% of homes in Harrison Township 48045
  • Older than 96% of homes in Harrison Township 48045

What homes are worth in Harrison Township 48045

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

This home
$34K$857K

This home is worth more than 70% of homes in Harrison Township 48045.

How it measures up in Harrison Township 48045

The dot is this home. The mark in the middle is the typical home in Harrison Township 48045.

Estimated value$404,815
CheaperTypical $291,831Pricier

Pricier than 70% of homes nearby

Price per ft²$567
CheaperTypical $197Pricier

Pricier than almost all homes nearby

Living area714 ft²
SmallerTypical 1,553 ft²Bigger

Smaller than almost all homes nearby

Lot size0.15 ac
SmallerTypical 0.26 acBigger

Bigger than 13% of homes nearby

Year built1935
OlderTypical 1978Newer

Newer than 4% of homes nearby

How 31730 N River Rd ranks against every home in each area.
MeasureThis homeHarrison Township 48045Macomb County
Estimated valuepricier than$404,81570% of homes79% of homes
Price per ft²pricier than$567almost all homesalmost all homes
Living areabigger than714 ft²almost no homesalmost no homes
Lot sizebigger than0.15 ac13% of homes18% of homes
Year builtnewer than19354% of homes4% of homes

About 31730 N River Rd

How much is 31730 N River Rd, Harrison Township, MI worth?

The TopHap Estimate for 31730 N River Rd, Harrison Township, MI is $404,815 as of Sep 24, 2026. The likely range is $374,054 to $435,576. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31730 N River Rd, Harrison Township, MI last sell?

31730 N River Rd, Harrison Township, MI last sold on Sep 17, 2020 for $250,000, according to the county's recorded deed.

How big is 31730 N River Rd, Harrison Township, MI?

31730 N River Rd, Harrison Township, MI has 1 bathrooms, 714 square feet of living space and a 0.15-acre lot.

When was 31730 N River Rd, Harrison Township, MI built?

31730 N River Rd, Harrison Township, MI was built in 1935, making it 91 years old. It is a ranch home. The building has 1 story.

What schools serve 31730 N River Rd, Harrison Township, MI?

31730 N River Rd, Harrison Township, MI is assigned to South River Elementary School (elementary), rated B; High School (high), rated B-; Middle School Central (middle), rated B-. All sit in L'Anse Creuse Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31730 N River Rd, Harrison Township, MI compare to other homes in Harrison Township 48045?

Among the 10,745 homes in Harrison Township 48045, it is worth more than 70% of them ($404,815 against a typical $291,831), its price per square foot is higher than almost all of them ($567 against a typical $197), it is bigger than almost none of them (714 ft² against a typical 1,553 ft²), its lot is bigger than 13% of them (0.15 ac against a typical 0.26 ac) and it is newer than 4% of them (1935 against a typical 1978). Measured against all of Macomb County, it is worth more than 79% 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 31730 N River Rd, Harrison Township, MI?

The 2025 property tax bill for 31730 N River Rd, Harrison Township, MI was $6,839. The county assessed it at $166,800.

More homes on N River Rd

Closest homes

More homes in Harrison Township 48045

Assigned schools

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