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Single Family ResidenceResidential
$461,561$200 / 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 92How 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
Last sold for $449,900 on Aug 21, 2025

4203 ONYX CT

VALPARAISO, IN 46385
4
Beds
4 / 1
Baths
2,312 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
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

$462K
$424K low$499K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$449,900 · Aug 21, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,874 (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.$435,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$56,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$379,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$435,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$435,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyPorter
Lot (acres)The size of the land the home sits on, from county records.0.28
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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

Transaction History(4)

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.

E
Cooks Corners Elementary SchoolA-
Elementary · Grades KG–5 · 0.9 mi
H
Valparaiso High SchoolA+
High · Grades 9–12 · 1.2 mi
M
Benjamin Franklin Middle SchoolA-
Middle · Grades 6–8 · 2.5 mi

District: Valparaiso Community Schools

Neighborhood · ZIP 46385These 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.82
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.114
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.44,677
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.538 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,098
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,747
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

4203 Onyx Ct 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 79% of homes in Porter County
  • Bigger than 73% of homes in Porter County
  • Newer than 76% of homes in Porter County

What homes are worth in Valparaiso 46385

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

This home
$172K$945K

This home is worth more than 71% of homes in Valparaiso 46385.

How it measures up in Valparaiso 46385

The dot is this home. The mark in the middle is the typical home in Valparaiso 46385.

Estimated value$461,561
CheaperTypical $370,420Pricier

Pricier than 71% of homes nearby

Price per ft²$200
CheaperTypical $188Pricier

Pricier than 61% of homes nearby

Living area2,312 ft²
SmallerTypical 1,941 ft²Bigger

Bigger than 66% of homes nearby

Lot size0.28 ac
SmallerTypical 0.31 acBigger

Bigger than 44% of homes nearby

Year built2000
OlderTypical 1988Newer

Newer than 71% of homes nearby

How 4203 Onyx Ct ranks against every home in each area.
MeasureThis homeValparaiso 46385Porter County
Estimated valuepricier than$461,56171% of homes79% of homes
Price per ft²pricier than$20061% of homes62% of homes
Living areabigger than2,312 ft²66% of homes73% of homes
Lot sizebigger than0.28 ac44% of homes44% of homes
Year builtnewer than200071% of homes76% of homes

About 4203 Onyx Ct

How much is 4203 Onyx Ct, Valparaiso, IN worth?

The TopHap Estimate for 4203 Onyx Ct, Valparaiso, IN is $461,561 as of Aug 30, 2026. The likely range is $423,870 to $499,253. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4203 Onyx Ct, Valparaiso, IN last sell?

4203 Onyx Ct, Valparaiso, IN last sold on Aug 21, 2025 for $449,900, according to the county's recorded deed.

How big is 4203 Onyx Ct, Valparaiso, IN?

4203 Onyx Ct, Valparaiso, IN has 4 bedrooms, 4 bathrooms, 2,312 square feet of living space and a 0.28-acre lot.

When was 4203 Onyx Ct, Valparaiso, IN built?

4203 Onyx Ct, Valparaiso, IN was built in 2000, making it 26 years old. The building has 2 stories.

What schools serve 4203 Onyx Ct, Valparaiso, IN?

4203 Onyx Ct, Valparaiso, IN is assigned to Cooks Corners Elementary School (elementary), rated A-; Valparaiso High School (high), rated A+; Benjamin Franklin Middle School (middle), rated A-. All sit in Valparaiso Community Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4203 Onyx Ct, Valparaiso, IN compare to other homes in Valparaiso 46385?

Among the 16,172 homes in Valparaiso 46385, it is worth more than 71% of them ($461,561 against a typical $370,420), its price per square foot is higher than 61% of them ($200 against a typical $188), it is bigger than 66% of them (2,312 ft² against a typical 1,941 ft²), its lot is bigger than 44% of them (0.28 ac against a typical 0.31 ac) and it is newer than 71% of them (2000 against a typical 1988). Measured against all of Porter County, it is worth more than 79% 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 4203 Onyx Ct, Valparaiso, IN?

The 2025 property tax bill for 4203 Onyx Ct, Valparaiso, IN was $4,874. The county assessed it at $435,600.

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