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Single Family ResidenceResidential
$64,114
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 72How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

ONTARIO ST

PORT SANILAC, MI 48469
0
Baths
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$64K
$46K low$82K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$82 (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.$11,300 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$8,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$22,600

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.28
1
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.
52
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
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
CountySANILAC
Lot (acres)The size of the land the home sits on, from county records.0.23
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Carsonvilleport Sanilac High SchoolC-
Middle · Grades 6–12 · 4.1 mi
E
Carsonvilleport Sanilac Elementary SchoolD
Elementary · Grades PK–5 · 6.0 mi

District: Carsonville-Port Sanilac School District

Neighborhood · ZIP 48469These 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.166
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

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.66%
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.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.543
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.$58,398
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,337
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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

Ontario 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 98% of homes in Port Sanilac 48469
  • Has a smaller lot than 85% of homes in Port Sanilac 48469

What homes are worth in Port Sanilac 48469

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

This home
$69K$1M

This home is worth more than 2% of homes in Port Sanilac 48469.

How it measures up in Port Sanilac 48469

The dot is this home. The mark in the middle is the typical home in Port Sanilac 48469.

Estimated value$64,114
CheaperTypical $240,922Pricier

Pricier than 2% of homes nearby

Lot size0.23 ac
SmallerTypical 0.58 acBigger

Bigger than 15% of homes nearby

How Ontario St ranks against every home in each area.
MeasureThis homePort Sanilac 48469Sanilac County
Estimated valuepricier than$64,1142% of homes7% of homes
Lot sizebigger than0.23 ac15% of homes18% of homes

About Ontario St

How much is Ontario St, Port Sanilac, MI worth?

The TopHap Estimate for Ontario St, Port Sanilac, MI is $64,114 as of Oct 21, 2026. The likely range is $45,914 to $82,314. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Ontario St, Port Sanilac, MI last sell?

Ontario St, Port Sanilac, MI last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve Ontario St, Port Sanilac, MI?

Ontario St, Port Sanilac, MI is assigned to Carsonvilleport Sanilac High School (middle), rated C-; Carsonvilleport Sanilac Elementary School (elementary), rated D. All sit in Carsonville-Port Sanilac School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does Ontario St, Port Sanilac, MI compare to other homes in Port Sanilac 48469?

Among the 899 homes in Port Sanilac 48469, it is worth more than 2% of them ($64,114 against a typical $240,922) and its lot is bigger than 15% of them (0.23 ac against a typical 0.58 ac). Measured against all of Sanilac County, it is worth more than 7% 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 Ontario St, Port Sanilac, MI?

The 2025 property tax bill for Ontario St, Port Sanilac, MI was $82. The county assessed it at $11,300.

More homes on Ontario St

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Assigned schools

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See this home in context

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