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Single Family ResidenceResidential
$258,007$152 / 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 96How 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 $206,500 on Apr 28, 2021

18 DEFOREST DR

MADISONVILLE, LA 70447
0
Baths
1,700 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.

Valuation

$258K
$248K low$268K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$206,500 · Apr 28, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,449 (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.$19,921 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$18,421
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$19,921
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$199,213

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
Lot (acres)The size of the land the home sits on, from county records.1.00
HeatingThe type of heating system in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes

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
Madisonville Elementary School
Elementary · Grades PK–2 · 1.4 mi
M
Madisonville Junior High SchoolA
Middle · Grades 7–8 · 2.9 mi
H
Mandeville High SchoolA-
High · Grades 9–12 · 6.8 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

18 Deforest Dr 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 86% of homes in Madisonville 70447
  • Costs less per square foot than 91% of homes in Madisonville 70447
  • Smaller than 77% of homes in Madisonville 70447
  • Has a bigger lot than 65% of homes in Madisonville 70447
  • Older than 71% 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
$128K$1.2M

This home is worth more than 14% 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$258,007
CheaperTypical $375,477Pricier

Pricier than 14% of homes nearby

Price per ft²$152
CheaperTypical $183Pricier

Pricier than 9% of homes nearby

Living area1,700 ft²
SmallerTypical 2,086 ft²Bigger

Bigger than 23% of homes nearby

Lot size1 ac
SmallerTypical 1 acBigger

Bigger than 65% of homes nearby

Year built2003
OlderTypical 2009Newer

Newer than 29% of homes nearby

How 18 Deforest Dr ranks against every home in each area.
MeasureThis homeMadisonville 70447Saint Tammany County
Estimated valuepricier than$258,00714% of homes44% of homes
Price per ft²pricier than$1529% of homes50% of homes
Living areabigger than1,700 ft²23% of homes38% of homes
Lot sizebigger than1 ac65% of homes55% of homes
Year builtnewer than200329% of homes60% of homes

About 18 Deforest Dr

How much is 18 Deforest Dr, Madisonville, LA worth?

The TopHap Estimate for 18 Deforest Dr, Madisonville, LA is $258,007 as of Sep 24, 2026. The likely range is $248,039 to $267,975. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Deforest Dr, Madisonville, LA last sell?

18 Deforest Dr, Madisonville, LA last sold on Apr 28, 2021 for $206,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 18 Deforest Dr, Madisonville, LA?

18 Deforest Dr, Madisonville, LA has 1,700 square feet of living space and a 1.00-acre lot.

When was 18 Deforest Dr, Madisonville, LA built?

18 Deforest Dr, Madisonville, LA was built in 2003, making it 23 years old.

What schools serve 18 Deforest Dr, Madisonville, LA?

18 Deforest Dr, 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 18 Deforest Dr, Madisonville, LA compare to other homes in Madisonville 70447?

Among the 6,835 homes in Madisonville 70447, it is worth more than 14% of them ($258,007 against a typical $375,477), its price per square foot is higher than 9% of them ($152 against a typical $183), it is bigger than 23% of them (1,700 ft² against a typical 2,086 ft²), its lot is bigger than 65% of them (1 ac against a typical 1 ac) and it is newer than 29% of them (2003 against a typical 2009). Measured against all of Saint Tammany County, it is worth more than 44% 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 18 Deforest Dr, Madisonville, LA?

The 2025 property tax bill for 18 Deforest Dr, Madisonville, LA was $1,449. The county assessed it at $19,921.

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