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Single Family ResidenceResidential
$164,566$111 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $73,000 on Jan 23, 2018

421 RICHMAN RD

SAINT CLAIR, MI 48079
3
Beds
1
Baths
1,484 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.
1932
Year BuiltThe year the home was originally built, according to county records.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$165K
$158K low$171K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$73,000 · Jan 23, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,176 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$88,200 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$88,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$176,400

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
CountySt. Clair
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
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.

Foreclosure Filings(1)

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

E
Washington Elementary SchoolB-
Elementary · Grades PK–5 · 5.7 mi
H
Marysville High SchoolA-
High · Grades 9–12 · 6.4 mi
M
Marysville Middle SchoolB
Middle · Grades 6–8 · 6.4 mi

District: Marysville Public Schools

Neighborhood · ZIP 48079These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.12,489
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.291 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,185
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,124
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.32 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

421 Richman 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 less than 75% of homes in Saint Clair 48079
  • Costs less per square foot than 80% of homes in Saint Clair 48079
  • Older than 89% of homes in Saint Clair 48079

What homes are worth in Saint Clair 48079

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

This home
$78K$667K

This home is worth more than 25% of homes in Saint Clair 48079.

How it measures up in Saint Clair 48079

The dot is this home. The mark in the middle is the typical home in Saint Clair 48079.

Estimated value$164,566
CheaperTypical $226,880Pricier

Pricier than 25% of homes nearby

Price per ft²$111
CheaperTypical $139Pricier

Pricier than 20% of homes nearby

Living area1,484 ft²
SmallerTypical 1,614 ft²Bigger

Bigger than 41% of homes nearby

Lot size1 ac
SmallerTypical 0.46 acBigger

Bigger than 63% of homes nearby

Year built1932
OlderTypical 1980Newer

Newer than 11% of homes nearby

How 421 Richman Rd ranks against every home in each area.
MeasureThis homeSaint Clair 48079St. Clair County
Estimated valuepricier than$164,56625% of homes33% of homes
Price per ft²pricier than$11120% of homes25% of homes
Living areabigger than1,484 ft²41% of homes49% of homes
Lot sizebigger than1 ac63% of homes64% of homes
Year builtnewer than193211% of homes19% of homes

About 421 Richman Rd

How much is 421 Richman Rd, Saint Clair, MI worth?

The TopHap Estimate for 421 Richman Rd, Saint Clair, MI is $164,566 as of Aug 30, 2026. The likely range is $157,653 to $171,479. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Richman Rd, Saint Clair, MI last sell?

421 Richman Rd, Saint Clair, MI last sold on Jan 23, 2018 for $73,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 421 Richman Rd, Saint Clair, MI?

421 Richman Rd, Saint Clair, MI has 3 bedrooms, 1 bathrooms, 1,484 square feet of living space and a 1.00-acre lot.

When was 421 Richman Rd, Saint Clair, MI built?

421 Richman Rd, Saint Clair, MI was built in 1932, making it 94 years old. It is a ranch home.

What schools serve 421 Richman Rd, Saint Clair, MI?

421 Richman Rd, Saint Clair, MI is assigned to Washington Elementary School (elementary), rated B-; Marysville High School (high), rated A-; Marysville Middle School (middle), rated B. All sit in Marysville Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Richman Rd, Saint Clair, MI compare to other homes in Saint Clair 48079?

Among the 5,134 homes in Saint Clair 48079, it is worth more than 25% of them ($164,566 against a typical $226,880), its price per square foot is higher than 20% of them ($111 against a typical $139), it is bigger than 41% of them (1,484 ft² against a typical 1,614 ft²), its lot is bigger than 63% of them (1 ac against a typical 0.46 ac) and it is newer than 11% of them (1932 against a typical 1980). Measured against all of St. Clair County, it is worth more than 33% 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 421 Richman Rd, Saint Clair, MI?

The 2024 property tax bill for 421 Richman Rd, Saint Clair, MI was $2,176. The county assessed it at $88,200.

More homes on Richman Rd

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Assigned schools

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