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CondominiumResidential
$250,047$233 / 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 93How 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
Last sold for $240,000 on Aug 23, 2024

42171 ROSCOMMON ST

NORTHVILLE, MI 48167
2.5
Baths
1,072 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$250K
$232K low$269K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$240,000 · Aug 23, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,418 (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.$85,160 (2023)
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$170,320

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.37 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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyOAKLAND
Lot (acres)The size of the land the home sits on, from county records.1.00
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(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
Orchard Hills Elementary SchoolA
Elementary · Grades KG–4 · 1.6 mi
H
Novi High SchoolA-
High · Grades 9–12 · 2.2 mi
M
Novi Middle SchoolA+
Middle · Grades 7–8 · 4.5 mi

District: Novi Community School District

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

42171 Roscommon 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 less than 87% of homes in Northville 48167
  • Costs more per square foot than 71% of homes in Oakland County
  • Smaller than 94% of homes in Northville 48167
  • Has a bigger lot than 85% of homes in Oakland 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
$158K$1.9M

This home is worth more than 13% 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$250,047
CheaperTypical $491,587Pricier

Pricier than 13% of homes nearby

Price per ft²$233
CheaperTypical $233Pricier

Pricier than 50% of homes nearby

Living area1,072 ft²
SmallerTypical 2,173 ft²Bigger

Bigger than 6% of homes nearby

Lot size1 ac
SmallerTypical 0.45 acBigger

Bigger than 80% of homes nearby

Year built1978
OlderTypical 1978Newer

Newer than 54% of homes nearby

How 42171 Roscommon St ranks against every home in each area.
MeasureThis homeNorthville 48167Oakland County
Estimated valuepricier than$250,04713% of homes27% of homes
Price per ft²pricier than$23350% of homes71% of homes
Living areabigger than1,072 ft²6% of homes17% of homes
Lot sizebigger than1 ac80% of homes85% of homes
Year builtnewer than197854% of homes61% of homes

About 42171 Roscommon St

How much is 42171 Roscommon St, Northville, MI worth?

The TopHap Estimate for 42171 Roscommon St, Northville, MI is $250,047 as of Jul 14, 2026. The likely range is $231,537 to $268,557. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42171 Roscommon St, Northville, MI last sell?

42171 Roscommon St, Northville, MI last sold on Aug 23, 2024 for $240,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 42171 Roscommon St, Northville, MI?

42171 Roscommon St, Northville, MI has 2.5 bathrooms, 1,072 square feet of living space and a 1.00-acre lot.

When was 42171 Roscommon St, Northville, MI built?

42171 Roscommon St, Northville, MI was built in 1978, making it 48 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 42171 Roscommon St, Northville, MI?

42171 Roscommon St, Northville, MI is assigned to Orchard Hills Elementary School (elementary), rated A; Novi High School (high), rated A-; Novi Middle School (middle), rated A+. All sit in Novi Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42171 Roscommon St, Northville, MI compare to other homes in Northville 48167?

Among the 8,758 homes in Northville 48167, it is worth more than 13% of them ($250,047 against a typical $491,587), its price per square foot is higher than 50% of them ($233 against a typical $233), it is bigger than 6% of them (1,072 ft² against a typical 2,173 ft²), its lot is bigger than 80% of them (1 ac against a typical 0.45 ac) and it is newer than 54% of them (1978 against a typical 1978). Measured against all of Oakland County, it is worth more than 27% 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 42171 Roscommon St, Northville, MI?

The 2025 property tax bill for 42171 Roscommon St, Northville, MI was $3,418. The county assessed it at $85,160.

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