Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$221,153$196 / 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 $100,450 on Mar 6, 2017

12 MARY ST

MADISONVILLE, LA 70447
0
Baths
1,131 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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$221K
$214K low$229K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$100,450 · Mar 6, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,539 (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.$13,190 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$10,690
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$13,190
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$131,899

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.48%
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

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.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Madisonville Elementary School
Elementary · Grades PK–2 · 4.4 mi
M
Madisonville Junior High SchoolA
Middle · Grades 7–8 · 5.3 mi
H
Mandeville High SchoolA-
High · Grades 9–12 · 9.3 mi

District: St. Tammany Parish School District

Neighborhood · ZIP 70447These 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.51
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.18,738
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.498 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,178
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,044
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.66 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

Do you own this home?
Claim this home

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

12 Mary 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 less than 92% of homes in Madisonville 70447
  • Costs more per square foot than 85% of homes in Saint Tammany County
  • Smaller than 95% of homes in Madisonville 70447
  • Older than 78% of homes in Madisonville 70447

What homes are worth in Madisonville 70447

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

This home
$134K$1.1M

This home is worth more than 8% of homes in Madisonville 70447.

How it measures up in Madisonville 70447

The dot is this home. The mark in the middle is the typical home in Madisonville 70447.

Estimated value$221,153
CheaperTypical $376,862Pricier

Pricier than 8% of homes nearby

Price per ft²$196
CheaperTypical $183Pricier

Pricier than 68% of homes nearby

Living area1,131 ft²
SmallerTypical 2,088 ft²Bigger

Bigger than 5% of homes nearby

Year built2001
OlderTypical 2009Newer

Newer than 22% of homes nearby

How 12 Mary St ranks against every home in each area.
MeasureThis homeMadisonville 70447Saint Tammany County
Estimated valuepricier than$221,1538% of homes32% of homes
Price per ft²pricier than$19668% of homes85% of homes
Living areabigger than1,131 ft²5% of homes8% of homes
Year builtnewer than200122% of homes56% of homes

About 12 Mary St

How much is 12 Mary St, Madisonville, LA worth?

The TopHap Estimate for 12 Mary St, Madisonville, LA is $221,153 as of Sep 24, 2026. The likely range is $213,682 to $228,624. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Mary St, Madisonville, LA last sell?

12 Mary St, Madisonville, LA last sold on Mar 6, 2017 for $100,450, according to the county's recorded deed.

When was 12 Mary St, Madisonville, LA built?

12 Mary St, Madisonville, LA was built in 2001, making it 25 years old.

What schools serve 12 Mary St, Madisonville, LA?

12 Mary St, Madisonville, LA is assigned to Madisonville Elementary School (elementary); Madisonville Junior High School (middle), rated A; Mandeville 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 12 Mary St, Madisonville, LA compare to other homes in Madisonville 70447?

Among the 6,835 homes in Madisonville 70447, it is worth more than 8% of them ($221,153 against a typical $376,862), its price per square foot is higher than 68% of them ($196 against a typical $183), it is bigger than 5% of them (1,131 ft² against a typical 2,088 ft²) and it is newer than 22% of them (2001 against a typical 2009). Measured against all of Saint Tammany County, it is worth more than 32% 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 12 Mary St, Madisonville, LA?

The 2025 property tax bill for 12 Mary St, Madisonville, LA was $1,539. The county assessed it at $13,190.

More homes on Mary St

Closest homes

More homes in Madisonville 70447

Assigned schools

Explore the area

See this home in context

Open 12 Mary St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map