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Single Family ResidenceResidential
$624,613$194 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $428,900 on Sep 22, 2016

21 ROBYN PL

MANDEVILLE, LA 70471
0
Baths
3,221 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

$625K
$595K low$654K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$428,900 · Sep 22, 2016
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$129,063
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$103,250
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.80%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$380,550
FREEDOM MORTGAGE · recorded Feb 18, 2021
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$115,000
BANK OF AMERICA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,710 (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.$52,955 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$43,955
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$52,955
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$529,547

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.120 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.0.2 percent flood zone

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(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
Pontchartrain Elementary SchoolA
Elementary · Grades PK–3 · 0.2 mi
H
Mandeville High SchoolA
High · Grades 9–12 · 0.3 mi
M
Mandeville Junior High SchoolA+
Middle · Grades 7–8 · 2.2 mi

District: St. Tammany Parish School District

Neighborhood · ZIP 70471These 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.73
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 100.33

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.22,188
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.759 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,091
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,655
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

21 Robyn Pl 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 92% of homes in Saint Tammany County
  • Costs more per square foot than 84% of homes in Saint Tammany County
  • Bigger than 90% of homes in Saint Tammany County
  • Newer than 77% of homes in Mandeville 70471

What homes are worth in Mandeville 70471

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

This home
$129K$1.3M

This home is worth more than 81% of homes in Mandeville 70471.

How it measures up in Mandeville 70471

The dot is this home. The mark in the middle is the typical home in Mandeville 70471.

Estimated value$624,613
CheaperTypical $415,328Pricier

Pricier than 81% of homes nearby

Price per ft²$194
CheaperTypical $175Pricier

Pricier than 76% of homes nearby

Living area3,221 ft²
SmallerTypical 2,384 ft²Bigger

Bigger than 78% of homes nearby

Year built2003
OlderTypical 1993Newer

Newer than 77% of homes nearby

How 21 Robyn Pl ranks against every home in each area.
MeasureThis homeMandeville 70471Saint Tammany County
Estimated valuepricier than$624,61381% of homes92% of homes
Price per ft²pricier than$19476% of homes84% of homes
Living areabigger than3,221 ft²78% of homes90% of homes
Year builtnewer than200377% of homes61% of homes

About 21 Robyn Pl

How much is 21 Robyn Pl, Mandeville, LA worth?

The TopHap Estimate for 21 Robyn Pl, Mandeville, LA is $624,613 as of Jul 14, 2026. The likely range is $595,039 to $654,187. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Robyn Pl, Mandeville, LA last sell?

21 Robyn Pl, Mandeville, LA last sold on Sep 22, 2016 for $428,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

When was 21 Robyn Pl, Mandeville, LA built?

21 Robyn Pl, Mandeville, LA was built in 2003, making it 23 years old.

What schools serve 21 Robyn Pl, Mandeville, LA?

21 Robyn Pl, Mandeville, LA is assigned to Pontchartrain Elementary School (elementary), rated A; Mandeville High School (high), rated A; Mandeville Junior High School (middle), rated A+. All sit in St. Tammany Parish School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Robyn Pl, Mandeville, LA compare to other homes in Mandeville 70471?

Among the 7,972 homes in Mandeville 70471, it is worth more than 81% of them ($624,613 against a typical $415,328), its price per square foot is higher than 76% of them ($194 against a typical $175), it is bigger than 78% of them (3,221 ft² against a typical 2,384 ft²) and it is newer than 77% of them (2003 against a typical 1993). Measured against all of Saint Tammany County, it is worth more than 92% 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 21 Robyn Pl, Mandeville, LA?

The 2025 property tax bill for 21 Robyn Pl, Mandeville, LA was $6,710. The county assessed it at $52,955.

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Assigned schools

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