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Single Family ResidenceResidential
$474,828$236 / 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 95How 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

8721 MATTSON DR

SAINT JOHN, IN 46373
3
Beds
2
Baths
2,015 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.
1.94 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
1
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.
7
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$475K
$452K low$497K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,674 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$434,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$89,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$345,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$379,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$434,800

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.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
26
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
73
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
40
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
CountyLake
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1985
Lot (acres)The size of the land the home sits on, from county records.1.94
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed

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

H
Lake Central High SchoolA
High · Grades 9–12 · 0.7 mi
E
Kolling Elementary SchoolB+
Elementary · Grades KG–4 · 0.8 mi
M
Hal E. Clark Middle SchoolB+
Middle · Grades 5–8 · 2.3 mi

District: Lake Central School Corporation

Neighborhood · ZIP 46373These 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.22
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.14,872
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,370 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$118,816
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,315
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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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

8721 Mattson Dr 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 more than 90% of homes in Lake County
  • Costs more per square foot than 92% of homes in Lake County
  • Smaller than 73% of homes in Saint John 46373
  • Among the largest lots in Saint John 46373
  • Older than 90% of homes in Saint John 46373

What homes are worth in Saint John 46373

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

This home
$268K$912K

This home is worth more than 53% of homes in Saint John 46373.

How it measures up in Saint John 46373

The dot is this home. The mark in the middle is the typical home in Saint John 46373.

Estimated value$474,828
CheaperTypical $463,058Pricier

Pricier than 53% of homes nearby

Price per ft²$236
CheaperTypical $199Pricier

Pricier than 81% of homes nearby

Living area2,015 ft²
SmallerTypical 2,474 ft²Bigger

Bigger than 27% of homes nearby

Lot size1.94 ac
SmallerTypical 0.34 acBigger

Bigger than almost all homes nearby

Year built1974
OlderTypical 2005Newer

Newer than 10% of homes nearby

How 8721 Mattson Dr ranks against every home in each area.
MeasureThis homeSaint John 46373Lake County
Estimated valuepricier than$474,82853% of homes90% of homes
Price per ft²pricier than$23681% of homes92% of homes
Living areabigger than2,015 ft²27% of homes64% of homes
Lot sizebigger than1.94 acalmost all homes96% of homes
Year builtnewer than197410% of homes62% of homes

About 8721 Mattson Dr

How much is 8721 Mattson Dr, Saint John, IN worth?

The TopHap Estimate for 8721 Mattson Dr, Saint John, IN is $474,828 as of Aug 30, 2026. The likely range is $452,288 to $497,368. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8721 Mattson Dr, Saint John, IN last sell?

8721 Mattson Dr, Saint John, IN last sold on Nov 25, 1986, according to the county's recorded deed.

How big is 8721 Mattson Dr, Saint John, IN?

8721 Mattson Dr, Saint John, IN has 3 bedrooms, 2 bathrooms, 2,015 square feet of living space and a 1.94-acre lot.

When was 8721 Mattson Dr, Saint John, IN built?

8721 Mattson Dr, Saint John, IN was built in 1974, making it 52 years old. The building has 1 story.

What schools serve 8721 Mattson Dr, Saint John, IN?

8721 Mattson Dr, Saint John, IN is assigned to Lake Central High School (high), rated A; Kolling Elementary School (elementary), rated B+; Hal E. Clark Middle School (middle), rated B+. All sit in Lake Central School Corporation. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8721 Mattson Dr, Saint John, IN compare to other homes in Saint John 46373?

Among the 7,791 homes in Saint John 46373, it is worth more than 53% of them ($474,828 against a typical $463,058), its price per square foot is higher than 81% of them ($236 against a typical $199), it is bigger than 27% of them (2,015 ft² against a typical 2,474 ft²), its lot is bigger than almost all of them (1.94 ac against a typical 0.34 ac) and it is newer than 10% of them (1974 against a typical 2005). Measured against all of Lake County, it is worth more than 90% 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 8721 Mattson Dr, Saint John, IN?

The 2024 property tax bill for 8721 Mattson Dr, Saint John, IN was $3,674. The county assessed it at $434,800.

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