Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$398,407$137 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $375,000 on Sep 19, 2022

321 WINDWARD PASSAGE ST

SLIDELL, LA 70458
0
Baths
2,899 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
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

$398K
$377K low$419K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$375,000 · Sep 19, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$39 (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.$37,050 (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.$32,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$37,050
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$370,496

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
Lot (acres)The size of the land the home sits on, from county records.0.29
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(3)

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 · 1.7 mi
E
W.L. Abney Elementary SchoolD+
Elementary · Grades 1–5 · 2.5 mi
M
St. Tammany Junior High SchoolC-
Middle · Grades 6–8 · 3.2 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%

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

321 Windward Passage St 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 92% of homes in Slidell 70458
  • Costs more per square foot than 72% of homes in Slidell 70458
  • Bigger than 93% of homes in Slidell 70458
  • Has a smaller lot than 79% of homes in Saint Tammany County
  • Newer than 75% of homes in Slidell 70458

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
$70K$541K

This home is worth more than 92% 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$398,407
CheaperTypical $210,695Pricier

Pricier than 92% of homes nearby

Price per ft²$137
CheaperTypical $121Pricier

Pricier than 72% of homes nearby

Living area2,899 ft²
SmallerTypical 1,776 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.29 ac
SmallerTypical 0.3 acBigger

Bigger than 46% of homes nearby

Year built2003
OlderTypical 1986Newer

Newer than 75% of homes nearby

How 321 Windward Passage St ranks against every home in each area.
MeasureThis homeSlidell 70458Saint Tammany County
Estimated valuepricier than$398,40792% of homes75% of homes
Price per ft²pricier than$13772% of homes38% of homes
Living areabigger than2,899 ft²93% of homes86% of homes
Lot sizebigger than0.29 ac46% of homes21% of homes
Year builtnewer than200375% of homes60% of homes

About 321 Windward Passage St

How much is 321 Windward Passage St, Slidell, LA worth?

The TopHap Estimate for 321 Windward Passage St, Slidell, LA is $398,407 as of Sep 24, 2026. The likely range is $377,369 to $419,445. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Windward Passage St, Slidell, LA last sell?

321 Windward Passage St, Slidell, LA last sold on Sep 19, 2022 for $375,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 321 Windward Passage St, Slidell, LA?

321 Windward Passage St, Slidell, LA has 2,899 square feet of living space and a 0.29-acre lot.

When was 321 Windward Passage St, Slidell, LA built?

321 Windward Passage St, Slidell, LA was built in 2003, making it 23 years old.

What schools serve 321 Windward Passage St, Slidell, LA?

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

How does 321 Windward Passage St, Slidell, LA compare to other homes in Slidell 70458?

Among the 14,100 homes in Slidell 70458, it is worth more than 92% of them ($398,407 against a typical $210,695), its price per square foot is higher than 72% of them ($137 against a typical $121), it is bigger than 93% of them (2,899 ft² against a typical 1,776 ft²), its lot is bigger than 46% of them (0.29 ac against a typical 0.3 ac) and it is newer than 75% of them (2003 against a typical 1986). Measured against all of Saint Tammany County, it is worth more than 75% 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 321 Windward Passage St, Slidell, LA?

The 2025 property tax bill for 321 Windward Passage St, Slidell, LA was $39. The county assessed it at $37,050.

More homes on Windward Passage St

Closest homes

More homes in Slidell 70458

Assigned schools

Explore the area

See this home in context

Open 321 Windward Passage St 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