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Single Family ResidenceResidential
$659,140$184 / 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 Sep 24, 2026
Last sold for $320,000 on Jul 13, 2005

121 LONGWOOD DR

MANDEVILLE, LA 70471
0
Baths
3,576 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.
1984
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

$659K
$604K low$714K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$320,000 · Jul 13, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,502 (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.$53,369 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$39,369
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$53,369
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$533,694

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.51
49
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
35
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.
72
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.60 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.48%

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

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 · 1.0 mi
H
Mandeville High SchoolA
High · Grades 9–12 · 1.5 mi
M
Mandeville Junior High SchoolA+
Middle · Grades 7–8 · 3.0 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

121 Longwood Dr 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 94% of homes in Saint Tammany County
  • Costs more per square foot than 79% of homes in Saint Tammany County
  • Bigger than 94% of homes in Saint Tammany County
  • Older than 77% of homes in Mandeville 70471

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
$130K$1.3M

This home is worth more than 85% 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$659,140
CheaperTypical $410,324Pricier

Pricier than 85% of homes nearby

Price per ft²$184
CheaperTypical $175Pricier

Pricier than 66% of homes nearby

Living area3,576 ft²
SmallerTypical 2,372 ft²Bigger

Bigger than 86% of homes nearby

Year built1984
OlderTypical 1993Newer

Newer than 23% of homes nearby

How 121 Longwood Dr ranks against every home in each area.
MeasureThis homeMandeville 70471Saint Tammany County
Estimated valuepricier than$659,14085% of homes94% of homes
Price per ft²pricier than$18466% of homes79% of homes
Living areabigger than3,576 ft²86% of homes94% of homes
Year builtnewer than198423% of homes25% of homes

About 121 Longwood Dr

How much is 121 Longwood Dr, Mandeville, LA worth?

The TopHap Estimate for 121 Longwood Dr, Mandeville, LA is $659,140 as of Sep 24, 2026. The likely range is $604,352 to $713,928. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Longwood Dr, Mandeville, LA last sell?

121 Longwood Dr, Mandeville, LA last sold on Jul 13, 2005 for $320,000, according to the county's recorded deed.

When was 121 Longwood Dr, Mandeville, LA built?

121 Longwood Dr, Mandeville, LA was built in 1984, making it 42 years old.

What schools serve 121 Longwood Dr, Mandeville, LA?

121 Longwood Dr, 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 121 Longwood Dr, Mandeville, LA compare to other homes in Mandeville 70471?

Among the 7,972 homes in Mandeville 70471, it is worth more than 85% of them ($659,140 against a typical $410,324), its price per square foot is higher than 66% of them ($184 against a typical $175), it is bigger than 86% of them (3,576 ft² against a typical 2,372 ft²) and it is newer than 23% of them (1984 against a typical 1993). Measured against all of Saint Tammany County, it is worth more than 94% 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 121 Longwood Dr, Mandeville, LA?

The 2025 property tax bill for 121 Longwood Dr, Mandeville, LA was $5,502. The county assessed it at $53,369.

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See this home in context

Open 121 Longwood Dr 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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