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Single Family ResidenceResidential
$249,750$145 / 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 87How 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

303 SAINT JOHN ST

MADISONVILLE, LA 70447
0
Baths
1,725 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
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

$250K
$217K low$282K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$27 (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.$3,293 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$723
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,570
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,293
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$32,930

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.180 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
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
Lot (acres)The size of the land the home sits on, from county records.0.23
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.

M
Madisonville Junior High SchoolA
Middle · Grades 7–8 · 0.3 mi
E
Madisonville Elementary School
Elementary · Grades PK–2 · 1.9 mi
H
Mandeville High SchoolA-
High · Grades 9–12 · 3.8 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%

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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

303 Saint John 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 87% of homes in Madisonville 70447
  • Costs less per square foot than 94% of homes in Madisonville 70447
  • Smaller than 75% of homes in Madisonville 70447
  • Has a smaller lot than 84% of homes in Madisonville 70447
  • Newer than 72% of homes in Saint Tammany County

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
$128K$1M

This home is worth more than 13% 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$249,750
CheaperTypical $374,437Pricier

Pricier than 13% of homes nearby

Price per ft²$145
CheaperTypical $183Pricier

Pricier than 6% of homes nearby

Living area1,725 ft²
SmallerTypical 2,088 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.23 ac
SmallerTypical 1 acBigger

Bigger than 16% of homes nearby

Year built2007
OlderTypical 2009Newer

Newer than 46% of homes nearby

How 303 Saint John St ranks against every home in each area.
MeasureThis homeMadisonville 70447Saint Tammany County
Estimated valuepricier than$249,75013% of homes41% of homes
Price per ft²pricier than$1456% of homes44% of homes
Living areabigger than1,725 ft²25% of homes39% of homes
Lot sizebigger than0.23 ac16% of homes17% of homes
Year builtnewer than200746% of homes72% of homes

About 303 Saint John St

How much is 303 Saint John St, Madisonville, LA worth?

The TopHap Estimate for 303 Saint John St, Madisonville, LA is $249,750 as of Sep 24, 2026. The likely range is $217,188 to $282,312. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 303 Saint John St, Madisonville, LA last sell?

303 Saint John St, Madisonville, LA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 303 Saint John St, Madisonville, LA?

303 Saint John St, Madisonville, LA has 1,725 square feet of living space and a 0.23-acre lot.

When was 303 Saint John St, Madisonville, LA built?

303 Saint John St, Madisonville, LA was built in 2007, making it 19 years old.

What schools serve 303 Saint John St, Madisonville, LA?

303 Saint John St, Madisonville, LA is assigned to Madisonville Junior High School (middle), rated A; Madisonville Elementary School (elementary); 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 303 Saint John St, Madisonville, LA compare to other homes in Madisonville 70447?

Among the 6,835 homes in Madisonville 70447, it is worth more than 13% of them ($249,750 against a typical $374,437), its price per square foot is higher than 6% of them ($145 against a typical $183), it is bigger than 25% of them (1,725 ft² against a typical 2,088 ft²), its lot is bigger than 16% of them (0.23 ac against a typical 1 ac) and it is newer than 46% of them (2007 against a typical 2009). Measured against all of Saint Tammany County, it is worth more than 41% 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 303 Saint John St, Madisonville, LA?

The 2025 property tax bill for 303 Saint John St, Madisonville, LA was $27. The county assessed it at $3,293.

More homes on Saint John St

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Assigned schools

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