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Single Family ResidenceResidential
$310,217$173 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $340,000 on Apr 1, 2022

121 CONSTELLATION DR

SLIDELL, LA 70458
0
Baths
1,797 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.
1987
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$310K
$289K low$331K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$340,000 · Apr 1, 2022
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$0
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$0
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.102%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$322,649
UNION HOME MORTGAGE CORP · recorded Apr 1, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,730 (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.$28,925 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$24,125
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$28,925
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$289,248

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.144 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.62%
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.area not mapped

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
CountySaint Tammany
HeatingThe type of heating system in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes

Transaction History(1)

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
Salmen High SchoolD+
High · Grades 9–12 · 1.8 mi
E
W.L. Abney Elementary SchoolC-
Elementary · Grades 1–5 · 2.6 mi
M
St. Tammany Junior High SchoolD+
Middle · Grades 6–8 · 3.3 mi

District: St. Tammany Parish School District

Neighborhood · ZIP 70458These 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.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.94%
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.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.39,272
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,660 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,401
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,836
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.64 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

121 Constellation 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 79% of homes in Slidell 70458
  • Costs more per square foot than 93% of homes in Slidell 70458
  • Older than 69% of homes in Saint Tammany County

What homes are worth in Slidell 70458

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

This home
$71K$588K

This home is worth more than 79% of homes in Slidell 70458.

How it measures up in Slidell 70458

The dot is this home. The mark in the middle is the typical home in Slidell 70458.

Estimated value$310,217
CheaperTypical $217,063Pricier

Pricier than 79% of homes nearby

Price per ft²$173
CheaperTypical $123Pricier

Pricier than 93% of homes nearby

Living area1,797 ft²
SmallerTypical 1,776 ft²Bigger

Bigger than 52% of homes nearby

Year built1987
OlderTypical 1985Newer

Newer than 54% of homes nearby

How 121 Constellation Dr ranks against every home in each area.
MeasureThis homeSlidell 70458Saint Tammany County
Estimated valuepricier than$310,21779% of homes58% of homes
Price per ft²pricier than$17393% of homes68% of homes
Living areabigger than1,797 ft²52% of homes42% of homes
Year builtnewer than198754% of homes31% of homes

About 121 Constellation Dr

How much is 121 Constellation Dr, Slidell, LA worth?

The TopHap Estimate for 121 Constellation Dr, Slidell, LA is $310,217 as of Jul 14, 2026. The likely range is $289,215 to $331,219. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Constellation Dr, Slidell, LA last sell?

121 Constellation Dr, Slidell, LA last sold on Apr 1, 2022 for $340,000, according to the county's recorded deed.

When was 121 Constellation Dr, Slidell, LA built?

121 Constellation Dr, Slidell, LA was built in 1987, making it 39 years old.

What schools serve 121 Constellation Dr, Slidell, LA?

121 Constellation Dr, Slidell, LA is assigned to Salmen High School (high), rated D+; W.L. Abney Elementary School (elementary), rated C-; St. Tammany Junior High School (middle), rated D+. All sit in St. Tammany Parish School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Constellation Dr, Slidell, LA compare to other homes in Slidell 70458?

Among the 14,099 homes in Slidell 70458, it is worth more than 79% of them ($310,217 against a typical $217,063), its price per square foot is higher than 93% of them ($173 against a typical $123), it is bigger than 52% of them (1,797 ft² against a typical 1,776 ft²) and it is newer than 54% of them (1987 against a typical 1985). Measured against all of Saint Tammany County, it is worth more than 58% 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 121 Constellation Dr, Slidell, LA?

The 2025 property tax bill for 121 Constellation Dr, Slidell, LA was $2,730. The county assessed it at $28,925.

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