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Single Family ResidenceResidential
$455,387$245 / 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 87How 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 $239,000 on Jul 26, 2013

18 S TREASURE ISLE

SLIDELL, LA 70461
0
Baths
1,855 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.
1976
Year BuiltThe year the home was originally built, according to county records.

Valuation

$455K
$398K low$513K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$239,000 · Jul 26, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,867 (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.$46,397 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,085
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$26,312
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$46,397
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$463,966

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.91 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.85%
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

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 · 5.0 mi
E
W.L. Abney Elementary SchoolC-
Elementary · Grades 1–5 · 5.4 mi
M
St. Tammany Junior High SchoolD+
Middle · Grades 6–8 · 6.1 mi

District: St. Tammany Parish School District

Neighborhood · ZIP 70461These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.31,940
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.299 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,933
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$117,701
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%

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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

18 S Treasure Isle 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 91% of homes in Slidell 70461
  • Costs more per square foot than 98% of homes in Slidell 70461
  • Older than 91% of homes in Slidell 70461

What homes are worth in Slidell 70461

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

This home
$99K$775K

This home is worth more than 91% of homes in Slidell 70461.

How it measures up in Slidell 70461

The dot is this home. The mark in the middle is the typical home in Slidell 70461.

Estimated value$455,387
CheaperTypical $261,086Pricier

Pricier than 91% of homes nearby

Price per ft²$245
CheaperTypical $128Pricier

Pricier than 98% of homes nearby

Living area1,855 ft²
SmallerTypical 2,065 ft²Bigger

Bigger than 37% of homes nearby

Year built1976
OlderTypical 2000Newer

Newer than 9% of homes nearby

How 18 S Treasure Isle ranks against every home in each area.
MeasureThis homeSlidell 70461Saint Tammany County
Estimated valuepricier than$455,38791% of homes82% of homes
Price per ft²pricier than$24598% of homes96% of homes
Living areabigger than1,855 ft²37% of homes46% of homes
Year builtnewer than19769% of homes14% of homes

About 18 S Treasure Isle

How much is 18 S Treasure Isle, Slidell, LA worth?

The TopHap Estimate for 18 S Treasure Isle, Slidell, LA is $455,387 as of Jul 14, 2026. The likely range is $397,932 to $512,842. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 S Treasure Isle, Slidell, LA last sell?

18 S Treasure Isle, Slidell, LA last sold on Jul 26, 2013 for $239,000, according to the county's recorded deed.

When was 18 S Treasure Isle, Slidell, LA built?

18 S Treasure Isle, Slidell, LA was built in 1976, making it 50 years old.

What schools serve 18 S Treasure Isle, Slidell, LA?

18 S Treasure Isle, 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 18 S Treasure Isle, Slidell, LA compare to other homes in Slidell 70461?

Among the 11,840 homes in Slidell 70461, it is worth more than 91% of them ($455,387 against a typical $261,086), its price per square foot is higher than 98% of them ($245 against a typical $128), it is bigger than 37% of them (1,855 ft² against a typical 2,065 ft²) and it is newer than 9% of them (1976 against a typical 2000). Measured against all of Saint Tammany County, it is worth more than 82% 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 18 S Treasure Isle, Slidell, LA?

The 2025 property tax bill for 18 S Treasure Isle, Slidell, LA was $5,867. The county assessed it at $46,397.

More homes on S Treasure Isle

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More homes in Slidell 70461

Assigned schools

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