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Single Family ResidenceResidential
$173,495$106 / 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 82How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $130,000 on Jun 1, 2015

542 MARKHAM DR

SLIDELL, LA 70458
0
Baths
1,634 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.
1982
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

$173K
$142K low$205K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$130,000 · Jun 1, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$808 (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.$11,754 (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.$10,254
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$11,754
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$117,540

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.53
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
6
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.
62
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.62 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.89%

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

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.

E
W.L. Abney Elementary SchoolC-
Elementary · Grades 1–5 · 0.5 mi
H
Salmen High SchoolD+
High · Grades 9–12 · 0.6 mi
M
St. Tammany Junior High SchoolD+
Middle · Grades 6–8 · 1.2 mi

District: St. Tammany Parish School District

Neighborhood · ZIP 70458These 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.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.39,272
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,660 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,401
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,836
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.64 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

542 Markham 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 82% of homes in Saint Tammany County
  • Costs less per square foot than 89% of homes in Saint Tammany County
  • Smaller than 66% of homes in Saint Tammany County
  • Older than 78% of homes in Saint Tammany County

What homes are worth in Slidell 70458

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

This home
$68K$532K

This home is worth more than 29% of homes in Slidell 70458.

How it measures up in Slidell 70458

The dot is this home. The mark in the middle is the typical home in Slidell 70458.

Estimated value$173,495
CheaperTypical $214,513Pricier

Pricier than 29% of homes nearby

Price per ft²$106
CheaperTypical $122Pricier

Pricier than 23% of homes nearby

Living area1,634 ft²
SmallerTypical 1,776 ft²Bigger

Bigger than 39% of homes nearby

Year built1982
OlderTypical 1985Newer

Newer than 42% of homes nearby

How 542 Markham Dr ranks against every home in each area.
MeasureThis homeSlidell 70458Saint Tammany County
Estimated valuepricier than$173,49529% of homes18% of homes
Price per ft²pricier than$10623% of homes11% of homes
Living areabigger than1,634 ft²39% of homes34% of homes
Year builtnewer than198242% of homes22% of homes

About 542 Markham Dr

How much is 542 Markham Dr, Slidell, LA worth?

The TopHap Estimate for 542 Markham Dr, Slidell, LA is $173,495 as of Aug 30, 2026. The likely range is $141,837 to $205,153. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 542 Markham Dr, Slidell, LA last sell?

542 Markham Dr, Slidell, LA last sold on Jun 1, 2015 for $130,000, according to the county's recorded deed.

When was 542 Markham Dr, Slidell, LA built?

542 Markham Dr, Slidell, LA was built in 1982, making it 44 years old.

What schools serve 542 Markham Dr, Slidell, LA?

542 Markham Dr, Slidell, LA is assigned to W.L. Abney Elementary School (elementary), rated C-; Salmen High School (high), rated D+; St. Tammany Junior High School (middle), rated D+. All sit in St. Tammany Parish School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 542 Markham Dr, Slidell, LA compare to other homes in Slidell 70458?

Among the 14,099 homes in Slidell 70458, it is worth more than 29% of them ($173,495 against a typical $214,513), its price per square foot is higher than 23% of them ($106 against a typical $122), it is bigger than 39% of them (1,634 ft² against a typical 1,776 ft²) and it is newer than 42% of them (1982 against a typical 1985). Measured against all of Saint Tammany County, it is worth more than 18% 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 542 Markham Dr, Slidell, LA?

The 2025 property tax bill for 542 Markham Dr, Slidell, LA was $808. The county assessed it at $11,754.

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