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Single Family ResidenceResidential
$123,723
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 Aug 30, 2026
Last sold for $18,000 on Sep 17, 2002

502 UNION ST

SAINT LOUIS, MI 48880
0
Baths
1.04 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$124K
$96K low$151K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$18,000 · Sep 17, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,549 (2023)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$62,500 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$93,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$125,000

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.28
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
71
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
2
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.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.Single Family Residence
CountyGRATIOT
Lot (acres)The size of the land the home sits on, from county records.1.04
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

M
Ts Nurnberger Middle SchoolB-
Middle · Grades 6–8 · 0.2 mi
E
Carrie Knause Early Childhood Learning Center
Elementary · Grades PK–2 · 0.2 mi
H
St Louis High SchoolB
High · Grades 9–12 · 0.4 mi

District: St. Louis Public Schools

Neighborhood · ZIP 48880These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.10,678
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.137 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,237
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$73,006
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.51%

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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

502 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.

What homes are worth in Saint Louis 48880

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

This home
$41K$368K

This home is worth more than 41% of homes in Saint Louis 48880.

How it measures up in Saint Louis 48880

The dot is this home. The mark in the middle is the typical home in Saint Louis 48880.

Estimated value$123,723
CheaperTypical $137,303Pricier

Pricier than 41% of homes nearby

Lot size1.04 ac
SmallerTypical 1 acBigger

Bigger than 60% of homes nearby

How 502 Union St ranks against every home in each area.
MeasureThis homeSaint Louis 48880Gratiot County
Estimated valuepricier than$123,72341% of homes40% of homes
Lot sizebigger than1.04 ac60% of homes62% of homes

About 502 Union St

How much is 502 Union St, Saint Louis, MI worth?

The TopHap Estimate for 502 Union St, Saint Louis, MI is $123,723 as of Aug 30, 2026. The likely range is $96,272 to $151,174. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 502 Union St, Saint Louis, MI last sell?

502 Union St, Saint Louis, MI last sold on Sep 17, 2002 for $18,000, according to the county's recorded deed.

What schools serve 502 Union St, Saint Louis, MI?

502 Union St, Saint Louis, MI is assigned to Ts Nurnberger Middle School (middle), rated B-; Carrie Knause Early Childhood Learning Center (elementary); St Louis High School (high), rated B. All sit in St. Louis Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 502 Union St, Saint Louis, MI compare to other homes in Saint Louis 48880?

Among the 2,455 homes in Saint Louis 48880, it is worth more than 41% of them ($123,723 against a typical $137,303) and its lot is bigger than 60% of them (1.04 ac against a typical 1 ac). Measured against all of Gratiot County, it is worth more than 40% 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 502 Union St, Saint Louis, MI?

The 2023 property tax bill for 502 Union St, Saint Louis, MI was $1,549. The county assessed it at $62,500.

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Assigned schools

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