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Single Family ResidenceResidential
$394,405$204 / 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 97How 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 $262,500 on Apr 29, 2011

851 MCNAMARA ST

MANDEVILLE, LA 70448
0
Baths
1,932 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.
2003
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

$394K
$382K low$407K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$262,500 · Apr 29, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,221 (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.$33,925 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,635
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$29,290
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$33,925
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$339,254

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.48
33
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.
77
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.84 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%

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
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)

Transaction History(2)

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
Woodlake Elementary SchoolA
Elementary · Grades PK–3 · 1.2 mi
M
Monteleone Junior High SchoolA-
Middle · Grades 7–8 · 2.3 mi
H
Lakeshore High SchoolA-
High · Grades 9–12 · 5.4 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

851 Mcnamara 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.

  • Worth more than 75% of homes in Saint Tammany County
  • Costs more per square foot than 88% of homes in Saint Tammany County
  • Newer than 80% 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
$160K$903K

This home is worth more than 63% 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$394,405
CheaperTypical $350,918Pricier

Pricier than 63% of homes nearby

Price per ft²$204
CheaperTypical $176Pricier

Pricier than 84% of homes nearby

Living area1,932 ft²
SmallerTypical 2,002 ft²Bigger

Bigger than 46% of homes nearby

Year built2003
OlderTypical 1995Newer

Newer than 80% of homes nearby

How 851 Mcnamara St ranks against every home in each area.
MeasureThis homeMandeville 70448Saint Tammany County
Estimated valuepricier than$394,40563% of homes75% of homes
Price per ft²pricier than$20484% of homes88% of homes
Living areabigger than1,932 ft²46% of homes50% of homes
Year builtnewer than200380% of homes60% of homes

About 851 Mcnamara St

How much is 851 Mcnamara St, Mandeville, LA worth?

The TopHap Estimate for 851 Mcnamara St, Mandeville, LA is $394,405 as of Sep 24, 2026. The likely range is $382,303 to $406,507. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 851 Mcnamara St, Mandeville, LA last sell?

851 Mcnamara St, Mandeville, LA last sold on Apr 29, 2011 for $262,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

When was 851 Mcnamara St, Mandeville, LA built?

851 Mcnamara St, Mandeville, LA was built in 2003, making it 23 years old.

What schools serve 851 Mcnamara St, Mandeville, LA?

851 Mcnamara St, Mandeville, LA is assigned to Woodlake Elementary School (elementary), rated A; 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 851 Mcnamara St, Mandeville, LA compare to other homes in Mandeville 70448?

Among the 9,655 homes in Mandeville 70448, it is worth more than 63% of them ($394,405 against a typical $350,918), its price per square foot is higher than 84% of them ($204 against a typical $176), it is bigger than 46% of them (1,932 ft² against a typical 2,002 ft²) and it is newer than 80% of them (2003 against a typical 1995). Measured against all of Saint Tammany County, it is worth more than 75% 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 851 Mcnamara St, Mandeville, LA?

The 2025 property tax bill for 851 Mcnamara St, Mandeville, LA was $3,221. The county assessed it at $33,925.

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Assigned schools

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