Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$245,816$169 / 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

421 W PORTAGE ST

SAINT IGNACE, MI 49781
3
Beds
2
Baths
1,456 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.
0.65 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.

Valuation

$246K
$216K low$275K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,278 (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.$117,800 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$97,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$235,600

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.22
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
40
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
58
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.Residential (General/Single)
StyleThe architectural style of the home, such as ranch or colonial.Mobile Home
CountyMACKINAC
Lot (acres)The size of the land the home sits on, from county records.0.65
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

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

E
Gros Cap SchoolB
Elementary · Grades PK–8 · 4.0 mi

District: Moran Township School District

Neighborhood · ZIP 49781These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.12

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.73%
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.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.4%
PopulationHow many people live in this area.3,767
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.33 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,324
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$70,384
Average tempThe average temperature here across a full year.42°F
Annual precipHow much rain and melted snow falls here in a typical year.30 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.47%

Owner Tools

Do you own this home?
Claim this home

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

421 W Portage 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.

  • Newer than 74% of homes in Saint Ignace 49781

What homes are worth in Saint Ignace 49781

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

This home
$78K$600K

This home is worth more than 63% of homes in Saint Ignace 49781.

How it measures up in Saint Ignace 49781

The dot is this home. The mark in the middle is the typical home in Saint Ignace 49781.

Estimated value$245,816
CheaperTypical $217,844Pricier

Pricier than 63% of homes nearby

Price per ft²$169
CheaperTypical $159Pricier

Pricier than 57% of homes nearby

Living area1,456 ft²
SmallerTypical 1,396 ft²Bigger

Bigger than 55% of homes nearby

Lot size0.65 ac
SmallerTypical 0.51 acBigger

Bigger than 56% of homes nearby

Year built1991
OlderTypical 1964Newer

Newer than 74% of homes nearby

How 421 W Portage St ranks against every home in each area.
MeasureThis homeSaint Ignace 49781Mackinac County
Estimated valuepricier than$245,81663% of homes59% of homes
Price per ft²pricier than$16957% of homes48% of homes
Living areabigger than1,456 ft²55% of homes62% of homes
Lot sizebigger than0.65 ac56% of homes43% of homes
Year builtnewer than199174% of homes74% of homes

About 421 W Portage St

How much is 421 W Portage St, Saint Ignace, MI worth?

The TopHap Estimate for 421 W Portage St, Saint Ignace, MI is $245,816 as of Sep 24, 2026. The likely range is $216,425 to $275,207. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 W Portage St, Saint Ignace, MI last sell?

421 W Portage St, Saint Ignace, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 421 W Portage St, Saint Ignace, MI?

421 W Portage St, Saint Ignace, MI has 3 bedrooms, 2 bathrooms, 1,456 square feet of living space and a 0.65-acre lot.

When was 421 W Portage St, Saint Ignace, MI built?

421 W Portage St, Saint Ignace, MI was built in 1991, making it 35 years old. It is a mobile home home.

What schools serve 421 W Portage St, Saint Ignace, MI?

421 W Portage St, Saint Ignace, MI is assigned to Gros Cap School (elementary), rated B. All sit in Moran Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 W Portage St, Saint Ignace, MI compare to other homes in Saint Ignace 49781?

Among the 2,054 homes in Saint Ignace 49781, it is worth more than 63% of them ($245,816 against a typical $217,844), its price per square foot is higher than 57% of them ($169 against a typical $159), it is bigger than 55% of them (1,456 ft² against a typical 1,396 ft²), its lot is bigger than 56% of them (0.65 ac against a typical 0.51 ac) and it is newer than 74% of them (1991 against a typical 1964). Measured against all of Mackinac County, it is worth more than 59% 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 421 W Portage St, Saint Ignace, MI?

The 2025 property tax bill for 421 W Portage St, Saint Ignace, MI was $1,278. The county assessed it at $117,800.

More homes on W Portage St

Closest homes

More homes in Saint Ignace 49781

Assigned schools

Explore the area

See this home in context

Open 421 W Portage St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map