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Single Family ResidenceResidential
$485,829$197 / 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 $265,000 on Sep 10, 2010

3312 KNOLL CT

MANDEVILLE, LA 70448
0
Baths
2,464 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.
2001
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

$486K
$461K low$510K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$265,000 · Sep 10, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,076 (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.$32,733 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,180
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$26,553
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$32,733
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$327,332

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(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.

E
Marigny Elementary School
Elementary · Grades PK–1 · 1.6 mi
M
Monteleone Junior High SchoolA-
Middle · Grades 7–8 · 2.5 mi
H
Lakeshore High SchoolA-
High · Grades 9–12 · 3.8 mi

District: St. Tammany Parish School District

Neighborhood · ZIP 70448These 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.55
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 100.31

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.25,090
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,267 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,515
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,632
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

3312 Knoll 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 more than 85% of homes in Saint Tammany County
  • Costs more per square foot than 86% of homes in Saint Tammany County
  • Bigger than 75% of homes in Mandeville 70448
  • Newer than 73% of homes in Mandeville 70448

What homes are worth in Mandeville 70448

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

This home
$161K$903K

This home is worth more than 80% of homes in Mandeville 70448.

How it measures up in Mandeville 70448

The dot is this home. The mark in the middle is the typical home in Mandeville 70448.

Estimated value$485,829
CheaperTypical $351,937Pricier

Pricier than 80% of homes nearby

Price per ft²$197
CheaperTypical $176Pricier

Pricier than 79% of homes nearby

Living area2,464 ft²
SmallerTypical 2,002 ft²Bigger

Bigger than 75% of homes nearby

Year built2001
OlderTypical 1995Newer

Newer than 73% of homes nearby

How 3312 Knoll Ct ranks against every home in each area.
MeasureThis homeMandeville 70448Saint Tammany County
Estimated valuepricier than$485,82980% of homes85% of homes
Price per ft²pricier than$19779% of homes86% of homes
Living areabigger than2,464 ft²75% of homes75% of homes
Year builtnewer than200173% of homes56% of homes

About 3312 Knoll Ct

How much is 3312 Knoll Ct, Mandeville, LA worth?

The TopHap Estimate for 3312 Knoll Ct, Mandeville, LA is $485,829 as of Sep 24, 2026. The likely range is $461,233 to $510,425. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3312 Knoll Ct, Mandeville, LA last sell?

3312 Knoll Ct, Mandeville, LA last sold on Sep 10, 2010 for $265,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

When was 3312 Knoll Ct, Mandeville, LA built?

3312 Knoll Ct, Mandeville, LA was built in 2001, making it 25 years old.

What schools serve 3312 Knoll Ct, Mandeville, LA?

3312 Knoll Ct, Mandeville, LA is assigned to Marigny Elementary School (elementary); Monteleone Junior High School (middle), rated A-; Lakeshore High School (high), rated A-. All sit in St. Tammany Parish School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3312 Knoll Ct, Mandeville, LA compare to other homes in Mandeville 70448?

Among the 9,655 homes in Mandeville 70448, it is worth more than 80% of them ($485,829 against a typical $351,937), its price per square foot is higher than 79% of them ($197 against a typical $176), it is bigger than 75% of them (2,464 ft² against a typical 2,002 ft²) and it is newer than 73% of them (2001 against a typical 1995). Measured against all of Saint Tammany County, it is worth more than 85% 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 3312 Knoll Ct, Mandeville, LA?

The 2025 property tax bill for 3312 Knoll Ct, Mandeville, LA was $3,076. The county assessed it at $32,733.

More homes on Knoll Ct

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Assigned schools

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