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Single Family ResidenceResidential
$172,729$147 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

320 MONROE BLVD

HARSENS ISLAND, MI 48028
1
Baths
1,174 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$173K
$152K low$194K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,137 (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.$82,700 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$75,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$165,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyST. CLAIR
Lot (acres)The size of the land the home sits on, from county records.0.46
HeatingThe type of heating system in the home.Space
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.

E
Millside Elementary School
Elementary · Grades PK–1 · 2.0 mi
M
Algonac Juniorsenior High SchoolC+
Middle · Grades 7–12 · 2.5 mi

District: Algonac Community School District

Neighborhood · ZIP 48028These 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.196
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.37%
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.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.616
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.26 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,556
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,554
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

320 Monroe Blvd 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 81% of homes in Harsens Island 48028
  • Costs less per square foot than 82% of homes in Harsens Island 48028
  • Smaller than 75% of homes in St. Clair County

What homes are worth in Harsens Island 48028

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

This home
$81K$1.1M

This home is worth more than 19% of homes in Harsens Island 48028.

How it measures up in Harsens Island 48028

The dot is this home. The mark in the middle is the typical home in Harsens Island 48028.

Estimated value$172,729
CheaperTypical $300,621Pricier

Pricier than 19% of homes nearby

Price per ft²$147
CheaperTypical $221Pricier

Pricier than 18% of homes nearby

Living area1,174 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.46 ac
SmallerTypical 0.45 acBigger

Bigger than 52% of homes nearby

How 320 Monroe Blvd ranks against every home in each area.
MeasureThis homeHarsens Island 48028St. Clair County
Estimated valuepricier than$172,72919% of homes28% of homes
Price per ft²pricier than$14718% of homes39% of homes
Living areabigger than1,174 ft²35% of homes25% of homes
Lot sizebigger than0.46 ac52% of homes50% of homes

About 320 Monroe Blvd

How much is 320 Monroe Blvd, Harsens Island, MI worth?

The TopHap Estimate for 320 Monroe Blvd, Harsens Island, MI is $172,729 as of Sep 24, 2026. The likely range is $151,812 to $193,646. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 320 Monroe Blvd, Harsens Island, MI last sell?

320 Monroe Blvd, Harsens Island, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 320 Monroe Blvd, Harsens Island, MI?

320 Monroe Blvd, Harsens Island, MI has 1 bathrooms, 1,174 square feet of living space and a 0.46-acre lot.

What schools serve 320 Monroe Blvd, Harsens Island, MI?

320 Monroe Blvd, Harsens Island, MI is assigned to Millside Elementary School (elementary); Algonac Juniorsenior High School (middle), rated C+. All sit in Algonac Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 320 Monroe Blvd, Harsens Island, MI compare to other homes in Harsens Island 48028?

Among the 1,466 homes in Harsens Island 48028, it is worth more than 19% of them ($172,729 against a typical $300,621), its price per square foot is higher than 18% of them ($147 against a typical $221), it is bigger than 35% of them (1,174 ft² against a typical 1,456 ft²) and its lot is bigger than 52% of them (0.46 ac against a typical 0.45 ac). Measured against all of St. Clair County, it is worth more than 28% 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 Monroe Blvd, Harsens Island, MI?

The 2025 property tax bill for 320 Monroe Blvd, Harsens Island, MI was $3,137. The county assessed it at $82,700.

More homes on Monroe Blvd

Closest homes

More homes in Harsens Island 48028

Assigned schools

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