Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$182,535$134 / 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 $187,600 on Sep 4, 2019

300 GRAND ISLE CT

SLIDELL, LA 70461
0
Baths
1,364 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
2019
Year BuiltThe year the home was originally built, according to county records.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$183K
$167K low$198K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$187,600 · Sep 4, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,849 (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.$18,596 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$15,596
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$18,596
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$185,960

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.62
95
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
58
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
96
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
59
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
3
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.106 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.86%

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
Lot (acres)The size of the land the home sits on, from county records.0.20
PoolWhether the property has a pool, and what kind, such as in-ground.No

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 · 2.9 mi
E
W.L. Abney Elementary SchoolC-
Elementary · Grades 1–5 · 3.1 mi
M
St. Tammany Junior High SchoolD+
Middle · Grades 6–8 · 3.6 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%

Owner Tools

Do you own this home?
Claim this home

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

300 Grand Isle 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 less than 83% of homes in Slidell 70461
  • Costs less per square foot than 65% of homes in Saint Tammany County
  • Smaller than 86% of homes in Slidell 70461
  • Has a smaller lot than 87% of homes in Saint Tammany County
  • Newer than 93% of homes in Saint Tammany County

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
$96K$802K

This home is worth more than 17% 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$182,535
CheaperTypical $261,963Pricier

Pricier than 17% of homes nearby

Price per ft²$134
CheaperTypical $129Pricier

Pricier than 58% of homes nearby

Living area1,364 ft²
SmallerTypical 2,065 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.2 ac
SmallerTypical 0.25 acBigger

Bigger than 47% of homes nearby

Year built2019
OlderTypical 2000Newer

Newer than 85% of homes nearby

How 300 Grand Isle Ct ranks against every home in each area.
MeasureThis homeSlidell 70461Saint Tammany County
Estimated valuepricier than$182,53517% of homes20% of homes
Price per ft²pricier than$13458% of homes35% of homes
Living areabigger than1,364 ft²14% of homes19% of homes
Lot sizebigger than0.2 ac47% of homes13% of homes
Year builtnewer than201985% of homes93% of homes

About 300 Grand Isle Ct

How much is 300 Grand Isle Ct, Slidell, LA worth?

The TopHap Estimate for 300 Grand Isle Ct, Slidell, LA is $182,535 as of Aug 30, 2026. The likely range is $167,458 to $197,612. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 300 Grand Isle Ct, Slidell, LA last sell?

300 Grand Isle Ct, Slidell, LA last sold on Sep 4, 2019 for $187,600, according to the county's recorded deed.

How big is 300 Grand Isle Ct, Slidell, LA?

300 Grand Isle Ct, Slidell, LA has 1,364 square feet of living space and a 0.20-acre lot.

When was 300 Grand Isle Ct, Slidell, LA built?

300 Grand Isle Ct, Slidell, LA was built in 2019, making it 7 years old.

What schools serve 300 Grand Isle Ct, Slidell, LA?

300 Grand Isle Ct, 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 300 Grand Isle Ct, Slidell, LA compare to other homes in Slidell 70461?

Among the 11,840 homes in Slidell 70461, it is worth more than 17% of them ($182,535 against a typical $261,963), its price per square foot is higher than 58% of them ($134 against a typical $129), it is bigger than 14% of them (1,364 ft² against a typical 2,065 ft²), its lot is bigger than 47% of them (0.2 ac against a typical 0.25 ac) and it is newer than 85% of them (2019 against a typical 2000). Measured against all of Saint Tammany County, it is worth more than 20% 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 300 Grand Isle Ct, Slidell, LA?

The 2025 property tax bill for 300 Grand Isle Ct, Slidell, LA was $2,849. The county assessed it at $18,596.

More homes on Grand Isle Ct

Closest homes

More homes in Slidell 70461

Assigned schools

Explore the area

See this home in context

Open 300 Grand Isle Ct on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map