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Single Family ResidenceResidential
$1,876,423$222 / 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 35How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $90,503 on Dec 21, 2020

100 FOUNTAIN ST

MANDEVILLE, LA 70448
0
Baths
8,442 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.
2.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
8
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.9M
$655K low$3.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$90,503 · Dec 21, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$24,200 (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.$201,846 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$62,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$139,346
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$201,846
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,018,459

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.60
92
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.
74
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.81 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.73%

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.2.50
HeatingThe type of heating system in the home.None
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(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
Mandeville High SchoolA-
High · Grades 9–12 · 1.1 mi
E
Mandeville Elementary SchoolA
Elementary · Grades PK–3 · 1.1 mi
M
Mandeville Junior High SchoolA+
Middle · Grades 7–8 · 1.5 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

100 Fountain 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.

  • Among the most valuable homes in Mandeville 70448
  • Costs more per square foot than 92% of homes in Saint Tammany County
  • Among the largest homes in Mandeville 70448
  • Has a bigger lot than 94% 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
$154K$891K

This home is worth more than almost all 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$1,876,423
CheaperTypical $350,160Pricier

Pricier than almost all homes nearby

Price per ft²$222
CheaperTypical $176Pricier

Pricier than 90% of homes nearby

Living area8,442 ft²
SmallerTypical 2,004 ft²Bigger

Bigger than almost all homes nearby

Lot size2.5 ac
SmallerTypical 0.52 acBigger

Bigger than 94% of homes nearby

Year built1994
OlderTypical 1995Newer

Newer than 48% of homes nearby

How 100 Fountain St ranks against every home in each area.
MeasureThis homeMandeville 70448Saint Tammany County
Estimated valuepricier than$1,876,423almost all homesalmost all homes
Price per ft²pricier than$22290% of homes92% of homes
Living areabigger than8,442 ft²almost all homesalmost all homes
Lot sizebigger than2.5 ac94% of homes71% of homes
Year builtnewer than199448% of homes42% of homes

About 100 Fountain St

How much is 100 Fountain St, Mandeville, LA worth?

The TopHap Estimate for 100 Fountain St, Mandeville, LA is $1,876,423 as of Oct 21, 2026. The likely range is $655,330 to $3,097,516. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Fountain St, Mandeville, LA last sell?

100 Fountain St, Mandeville, LA last sold on Dec 21, 2020 for $90,503, according to the county's recorded deed.

How big is 100 Fountain St, Mandeville, LA?

100 Fountain St, Mandeville, LA has 8,442 square feet of living space and a 2.50-acre lot.

When was 100 Fountain St, Mandeville, LA built?

100 Fountain St, Mandeville, LA was built in 1994, making it 32 years old.

What schools serve 100 Fountain St, Mandeville, LA?

100 Fountain St, Mandeville, LA is assigned to Mandeville High School (high), rated A-; Mandeville Elementary School (elementary), 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 100 Fountain St, Mandeville, LA compare to other homes in Mandeville 70448?

Among the 9,655 homes in Mandeville 70448, it is worth more than almost all of them ($1,876,423 against a typical $350,160), its price per square foot is higher than 90% of them ($222 against a typical $176), it is bigger than almost all of them (8,442 ft² against a typical 2,004 ft²), its lot is bigger than 94% of them (2.5 ac against a typical 0.52 ac) and it is newer than 48% of them (1994 against a typical 1995). Measured against all of Saint Tammany County, it is worth more than almost all 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 100 Fountain St, Mandeville, LA?

The 2025 property tax bill for 100 Fountain St, Mandeville, LA was $24,200. The county assessed it at $201,846.

More homes on Fountain St

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Assigned schools

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