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Single Family ResidenceResidential
$861,546$254 / 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 83How 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 $825,000 on May 2, 2025

309 MARINA BLVD

MANDEVILLE, LA 70471
0
Baths
3,398 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.
1989
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

$862K
$712K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$825,000 · May 2, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,265 (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.$43,890 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,240
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$35,650
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$43,890
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$438,903

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.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
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.

E
Pontchartrain Elementary SchoolA+
Elementary · Grades PK–3 · 2.1 mi
H
Mandeville High SchoolA-
High · Grades 9–12 · 2.5 mi
M
Mandeville Junior High SchoolA+
Middle · Grades 7–8 · 4.4 mi

District: St. Tammany Parish School District

Neighborhood · ZIP 70471These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.33

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.22,153
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.758 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,032
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,651
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.65 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

309 Marina Blvd 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 97% of homes in Saint Tammany County
  • Costs more per square foot than 97% of homes in Mandeville 70471
  • Bigger than 92% of homes in Saint Tammany County
  • Older than 68% of homes in Saint Tammany County

What homes are worth in Mandeville 70471

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

This home
$129K$1.3M

This home is worth more than 94% of homes in Mandeville 70471.

How it measures up in Mandeville 70471

The dot is this home. The mark in the middle is the typical home in Mandeville 70471.

Estimated value$861,546
CheaperTypical $410,237Pricier

Pricier than 94% of homes nearby

Price per ft²$254
CheaperTypical $175Pricier

Pricier than 97% of homes nearby

Living area3,398 ft²
SmallerTypical 2,376 ft²Bigger

Bigger than 82% of homes nearby

Year built1989
OlderTypical 1993Newer

Newer than 36% of homes nearby

How 309 Marina Blvd ranks against every home in each area.
MeasureThis homeMandeville 70471Saint Tammany County
Estimated valuepricier than$861,54694% of homes97% of homes
Price per ft²pricier than$25497% of homes96% of homes
Living areabigger than3,398 ft²82% of homes92% of homes
Year builtnewer than198936% of homes32% of homes

About 309 Marina Blvd

How much is 309 Marina Blvd, Mandeville, LA worth?

The TopHap Estimate for 309 Marina Blvd, Mandeville, LA is $861,546 as of Sep 24, 2026. The likely range is $712,159 to $1,010,933. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Marina Blvd, Mandeville, LA last sell?

309 Marina Blvd, Mandeville, LA last sold on May 2, 2025 for $825,000, according to the county's recorded deed.

When was 309 Marina Blvd, Mandeville, LA built?

309 Marina Blvd, Mandeville, LA was built in 1989, making it 37 years old.

What schools serve 309 Marina Blvd, Mandeville, LA?

309 Marina Blvd, Mandeville, LA is assigned to Pontchartrain Elementary School (elementary), rated A+; Mandeville High School (high), rated A-; Mandeville Junior High School (middle), rated A+. All sit in St. Tammany Parish School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Marina Blvd, Mandeville, LA compare to other homes in Mandeville 70471?

Among the 7,972 homes in Mandeville 70471, it is worth more than 94% of them ($861,546 against a typical $410,237), its price per square foot is higher than 97% of them ($254 against a typical $175), it is bigger than 82% of them (3,398 ft² against a typical 2,376 ft²) and it is newer than 36% of them (1989 against a typical 1993). Measured against all of Saint Tammany County, it is worth more than 97% 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 309 Marina Blvd, Mandeville, LA?

The 2025 property tax bill for 309 Marina Blvd, Mandeville, LA was $5,265. The county assessed it at $43,890.

More homes on Marina Blvd

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Assigned schools

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See this home in context

Open 309 Marina Blvd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

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