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Single Family ResidenceResidential
$193,468$150 / 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 78How 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

23321 RIVER RUN RD

MENDON, MI 49072
2
Beds
1
Baths
1,288 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
1961
Year BuiltThe year the home was originally built, according to county records.

Valuation

$193K
$152K low$235K 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.$193,468
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$154,774

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,938 (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.$95,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$80,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$103,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$190,600

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.42
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
66
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
65
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
41
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyST. JOSEPH
Lot (acres)The size of the land the home sits on, from county records.0.35
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Mendon Elementary SchoolB
Elementary · Grades PK–5 · 3.3 mi
H
Mendon Middle/High SchoolC
High · Grades 9–12 · 3.7 mi

District: Mendon Community School District

Neighborhood · ZIP 49072These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.3,428
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.62 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,122
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,452
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

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.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

23321 River Run 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.

  • Has a smaller lot than 74% of homes in Mendon 49072
  • Older than 81% of homes in Mendon 49072

What homes are worth in Mendon 49072

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

This home
$43K$439K

This home is worth more than 54% of homes in Mendon 49072.

How it measures up in Mendon 49072

The dot is this home. The mark in the middle is the typical home in Mendon 49072.

Estimated value$193,468
CheaperTypical $183,693Pricier

Pricier than 54% of homes nearby

Price per ft²$150
CheaperTypical $135Pricier

Pricier than 62% of homes nearby

Living area1,288 ft²
SmallerTypical 1,416 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.35 ac
SmallerTypical 0.85 acBigger

Bigger than 26% of homes nearby

Year built1961
OlderTypical 1998Newer

Newer than 19% of homes nearby

How 23321 River Run Rd ranks against every home in each area.
MeasureThis homeMendon 49072St. Joseph County
Estimated valuepricier than$193,46854% of homes51% of homes
Price per ft²pricier than$15062% of homes56% of homes
Living areabigger than1,288 ft²37% of homes39% of homes
Lot sizebigger than0.35 ac26% of homes39% of homes
Year builtnewer than196119% of homes44% of homes

About 23321 River Run Rd

How much is 23321 River Run Rd, Mendon, MI worth?

The TopHap Estimate for 23321 River Run Rd, Mendon, MI is $193,468 as of Jul 14, 2026. The likely range is $151,710 to $235,226. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23321 River Run Rd, Mendon, MI last sell?

23321 River Run Rd, Mendon, MI last sold on Jan 1, 1901, according to the county's recorded deed.

How big is 23321 River Run Rd, Mendon, MI?

23321 River Run Rd, Mendon, MI has 2 bedrooms, 1 bathrooms, 1,288 square feet of living space and a 0.35-acre lot.

When was 23321 River Run Rd, Mendon, MI built?

23321 River Run Rd, Mendon, MI was built in 1961, making it 65 years old.

What schools serve 23321 River Run Rd, Mendon, MI?

23321 River Run Rd, Mendon, MI is assigned to Mendon Elementary School (elementary), rated B; Mendon Middle/High School (high), rated C. All sit in Mendon Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23321 River Run Rd, Mendon, MI compare to other homes in Mendon 49072?

Among the 1,290 homes in Mendon 49072, it is worth more than 54% of them ($193,468 against a typical $183,693), its price per square foot is higher than 62% of them ($150 against a typical $135), it is bigger than 37% of them (1,288 ft² against a typical 1,416 ft²), its lot is bigger than 26% of them (0.35 ac against a typical 0.85 ac) and it is newer than 19% of them (1961 against a typical 1998). Measured against all of St. Joseph County, it is worth more than 51% 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 23321 River Run Rd, Mendon, MI?

The 2025 property tax bill for 23321 River Run Rd, Mendon, MI was $1,938. The county assessed it at $95,300.

More homes on River Run Rd

Closest homes

More homes in Mendon 49072

Assigned schools

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