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Single Family ResidenceResidential
$3,000,000$731 / 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 90How 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 $950,000 on Oct 16, 2018

115 HOLLY ST

MANDEVILLE, LA 70448
0
Baths
4,104 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.
0.68 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
9
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$3M
$2.7M low$3.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$950,000 · Oct 16, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,519 (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.$86,851 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$37,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$49,851
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$84,976
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$868,510

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.62
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
38
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.96 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.64%

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.0.68
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

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 · 1.6 mi
M
Mandeville Junior High SchoolA+
Middle · Grades 7–8 · 1.9 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

115 Holly 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
  • Among the highest price per square foot in Mandeville 70448
  • Bigger than 98% of homes in Mandeville 70448
  • Has a smaller lot than 68% of homes in Saint Tammany County
  • Older than 66% of homes in Saint Tammany County

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
$160K$903K

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$3,000,000
CheaperTypical $350,918Pricier

Pricier than almost all homes nearby

Price per ft²$731
CheaperTypical $176Pricier

Pricier than almost all homes nearby

Living area4,104 ft²
SmallerTypical 2,002 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.68 ac
SmallerTypical 0.55 acBigger

Bigger than 53% of homes nearby

Year built1990
OlderTypical 1995Newer

Newer than 36% of homes nearby

How 115 Holly St ranks against every home in each area.
MeasureThis homeMandeville 70448Saint Tammany County
Estimated valuepricier than$3,000,000almost all homesalmost all homes
Price per ft²pricier than$731almost all homesalmost all homes
Living areabigger than4,104 ft²98% of homes97% of homes
Lot sizebigger than0.68 ac53% of homes32% of homes
Year builtnewer than199036% of homes34% of homes

About 115 Holly St

How much is 115 Holly St, Mandeville, LA worth?

The TopHap Estimate for 115 Holly St, Mandeville, LA is $3,000,000 as of Sep 24, 2026. The likely range is $2,689,901 to $3,310,099. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 115 Holly St, Mandeville, LA last sell?

115 Holly St, Mandeville, LA last sold on Oct 16, 2018 for $950,000, according to the county's recorded deed.

How big is 115 Holly St, Mandeville, LA?

115 Holly St, Mandeville, LA has 4,104 square feet of living space and a 0.68-acre lot.

When was 115 Holly St, Mandeville, LA built?

115 Holly St, Mandeville, LA was built in 1990, making it 36 years old.

What schools serve 115 Holly St, Mandeville, LA?

115 Holly 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 115 Holly 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 ($3,000,000 against a typical $350,918), its price per square foot is higher than almost all of them ($731 against a typical $176), it is bigger than 98% of them (4,104 ft² against a typical 2,002 ft²), its lot is bigger than 53% of them (0.68 ac against a typical 0.55 ac) and it is newer than 36% of them (1990 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 115 Holly St, Mandeville, LA?

The 2025 property tax bill for 115 Holly St, Mandeville, LA was $9,519. The county assessed it at $86,851.

More homes on Holly St

Closest homes

More homes in Mandeville 70448

Assigned schools

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