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Single Family ResidenceResidential
$386,431$178 / 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 96How 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

8633 MATTSON DR

SAINT JOHN, IN 46373
2
Beds
1
Baths
2,174 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.
3.8 ac
Lot SizeThe size of the land the home sits on, from county records.
1943
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$386K
$369K low$404K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,724 (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.$300,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$121,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$178,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$290,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$300,200

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.41 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.1995
Lot (acres)The size of the land the home sits on, from county records.3.80
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
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.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 400 ft²

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.

H
Lake Central High SchoolA
High · Grades 9–12 · 0.6 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%

Owner Tools

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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

8633 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 80% of homes in Lake County
  • Costs less per square foot than 71% of homes in Saint John 46373
  • Bigger than 70% of homes in Lake County
  • Among the largest lots in Saint John 46373
  • Among the oldest 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 22% 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$386,431
CheaperTypical $463,058Pricier

Pricier than 22% of homes nearby

Price per ft²$178
CheaperTypical $199Pricier

Pricier than 29% of homes nearby

Living area2,174 ft²
SmallerTypical 2,474 ft²Bigger

Bigger than 35% of homes nearby

Lot size3.8 ac
SmallerTypical 0.34 acBigger

Bigger than almost all homes nearby

Year built1943
OlderTypical 2005Newer

Older than almost all homes nearby

How 8633 Mattson Dr ranks against every home in each area.
MeasureThis homeSaint John 46373Lake County
Estimated valuepricier than$386,43122% of homes80% of homes
Price per ft²pricier than$17829% of homes64% of homes
Living areabigger than2,174 ft²35% of homes70% of homes
Lot sizebigger than3.8 acalmost all homes98% of homes
Year builtnewer than1943almost no homes22% of homes

About 8633 Mattson Dr

How much is 8633 Mattson Dr, Saint John, IN worth?

The TopHap Estimate for 8633 Mattson Dr, Saint John, IN is $386,431 as of Aug 30, 2026. The likely range is $369,186 to $403,676. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8633 Mattson Dr, Saint John, IN last sell?

8633 Mattson Dr, Saint John, IN last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 8633 Mattson Dr, Saint John, IN?

8633 Mattson Dr, Saint John, IN has 2 bedrooms, 1 bathrooms, 2,174 square feet of living space and a 3.80-acre lot.

When was 8633 Mattson Dr, Saint John, IN built?

8633 Mattson Dr, Saint John, IN was built in 1943, making it 83 years old. The building has 1 story.

What schools serve 8633 Mattson Dr, Saint John, IN?

8633 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 8633 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 22% of them ($386,431 against a typical $463,058), its price per square foot is higher than 29% of them ($178 against a typical $199), it is bigger than 35% of them (2,174 ft² against a typical 2,474 ft²), its lot is bigger than almost all of them (3.8 ac against a typical 0.34 ac) and it is newer than almost none of them (1943 against a typical 2005). Measured against all of Lake County, it is worth more than 80% 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 8633 Mattson Dr, Saint John, IN?

The 2024 property tax bill for 8633 Mattson Dr, Saint John, IN was $2,724. The county assessed it at $300,200.

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