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Single Family ResidenceResidential
$118,798$75 / 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 Aug 30, 2026
Last sold for $125,000 on May 4, 2022

320 UNION ST

MONROE, MI 48161
1
Baths
1,592 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.
1853
Year BuiltThe year the home was originally built, according to county records.
2
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.

Valuation

$119K
$111K low$127K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$125,000 · May 4, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,535 (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.$64,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$64,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$59,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$128,200

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.34
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
67
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
69
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
26
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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
CountyMONROE
Lot (acres)The size of the land the home sits on, from county records.0.09
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 164 ft²Patio · 164 ft²

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.

M
Monroe Middle SchoolB-
Middle · Grades 7–8 · 0.7 mi
H
Monroe High School
High · Grades 9–12 · 1.4 mi
E
Custer Elementary SchoolC-
Elementary · Grades KG–6 · 2.6 mi

District: Monroe Public Schools

Neighborhood · ZIP 48161These 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.110
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.36

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.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.27,015
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.578 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,758
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,633
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

320 Union 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 89% of homes in Monroe County
  • Costs less per square foot than 98% of homes in Monroe County
  • Bigger than 75% of homes in Monroe 48161
  • Has a smaller lot than 96% of homes in Monroe County
  • Among the oldest homes in Monroe County

What homes are worth in Monroe 48161

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

This home
$26K$528K

This home is worth more than 23% of homes in Monroe 48161.

How it measures up in Monroe 48161

The dot is this home. The mark in the middle is the typical home in Monroe 48161.

Estimated value$118,798
CheaperTypical $184,424Pricier

Pricier than 23% of homes nearby

Price per ft²$75
CheaperTypical $141Pricier

Pricier than 6% of homes nearby

Living area1,592 ft²
SmallerTypical 1,265 ft²Bigger

Bigger than 75% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.37 acBigger

Bigger than 6% of homes nearby

Year built1853
OlderTypical 1947Newer

Newer than 3% of homes nearby

How 320 Union St ranks against every home in each area.
MeasureThis homeMonroe 48161Monroe County
Estimated valuepricier than$118,79823% of homes11% of homes
Price per ft²pricier than$756% of homes2% of homes
Living areabigger than1,592 ft²75% of homes60% of homes
Lot sizebigger than3,920 ft²6% of homes4% of homes
Year builtnewer than18533% of homesalmost no homes

About 320 Union St

How much is 320 Union St, Monroe, MI worth?

The TopHap Estimate for 320 Union St, Monroe, MI is $118,798 as of Aug 30, 2026. The likely range is $111,064 to $126,532. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 320 Union St, Monroe, MI last sell?

320 Union St, Monroe, MI last sold on May 4, 2022 for $125,000, according to the county's recorded deed.

How big is 320 Union St, Monroe, MI?

320 Union St, Monroe, MI has 1 bathrooms, 1,592 square feet of living space and a 0.09-acre lot.

When was 320 Union St, Monroe, MI built?

320 Union St, Monroe, MI was built in 1853, making it 173 years old. The building has 2 stories.

What schools serve 320 Union St, Monroe, MI?

320 Union St, Monroe, MI is assigned to Monroe Middle School (middle), rated B-; Monroe High School (high); Custer Elementary School (elementary), rated C-. All sit in Monroe Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 320 Union St, Monroe, MI compare to other homes in Monroe 48161?

Among the 10,023 homes in Monroe 48161, it is worth more than 23% of them ($118,798 against a typical $184,424), its price per square foot is higher than 6% of them ($75 against a typical $141), it is bigger than 75% of them (1,592 ft² against a typical 1,265 ft²), its lot is bigger than 6% of them (3,920 ft² against a typical 0.37 ac) and it is newer than 3% of them (1853 against a typical 1947). Measured against all of Monroe County, it is worth more than 11% 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 320 Union St, Monroe, MI?

The 2025 property tax bill for 320 Union St, Monroe, MI was $2,535. The county assessed it at $64,100.

More homes on Union St

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Assigned schools

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