Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$141,981$119 / 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 89How 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 $142,000 on Jan 20, 2026

680 MONTMARTRE ST

MANDEVILLE, LA 70448
0
Baths
1,195 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.

Valuation

$142K
$126K low$158K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$142,000 · Jan 20, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$548 (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.$11,999 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,090
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,909
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$11,999
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$119,992

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.96 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.0.14
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Woodlake Elementary SchoolA
Elementary · Grades PK–3 · 1.6 mi
M
Monteleone Junior High SchoolA-
Middle · Grades 7–8 · 2.2 mi
H
Lakeshore High SchoolA-
High · Grades 9–12 · 5.0 mi

District: St. Tammany Parish School District

Neighborhood · ZIP 70448These 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.55
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 100.31

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.25,090
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,267 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,515
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,632
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%

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

680 Montmartre 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.

  • Among the least valuable homes in Mandeville 70448
  • Costs less per square foot than 97% of homes in Mandeville 70448
  • Smaller than 92% of homes in Mandeville 70448
  • Has a smaller lot than 98% of homes in Saint Tammany County
  • Older than 76% of homes in Mandeville 70448

What homes are worth in Mandeville 70448

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

This home
$157K$841K

This home is worth less than almost all homes in Mandeville 70448.

How it measures up in Mandeville 70448

The dot is this home. The mark in the middle is the typical home in Mandeville 70448.

Estimated value$141,981
CheaperTypical $352,995Pricier

Cheaper than almost all homes nearby

Price per ft²$119
CheaperTypical $175Pricier

Pricier than 3% of homes nearby

Living area1,195 ft²
SmallerTypical 2,002 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.14 ac
SmallerTypical 0.66 acBigger

Bigger than 5% of homes nearby

Year built1985
OlderTypical 1995Newer

Newer than 24% of homes nearby

How 680 Montmartre St ranks against every home in each area.
MeasureThis homeMandeville 70448Saint Tammany County
Estimated valuepricier than$141,981almost no homes10% of homes
Price per ft²pricier than$1193% of homes22% of homes
Living areabigger than1,195 ft²8% of homes10% of homes
Lot sizebigger than0.14 ac5% of homes2% of homes
Year builtnewer than198524% of homes28% of homes

About 680 Montmartre St

How much is 680 Montmartre St, Mandeville, LA worth?

The TopHap Estimate for 680 Montmartre St, Mandeville, LA is $141,981 as of Jul 14, 2026. The likely range is $126,127 to $157,835. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 680 Montmartre St, Mandeville, LA last sell?

680 Montmartre St, Mandeville, LA last sold on Jan 20, 2026 for $142,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 680 Montmartre St, Mandeville, LA?

680 Montmartre St, Mandeville, LA has 1,195 square feet of living space and a 0.14-acre lot.

When was 680 Montmartre St, Mandeville, LA built?

680 Montmartre St, Mandeville, LA was built in 1985, making it 41 years old.

What schools serve 680 Montmartre St, Mandeville, LA?

680 Montmartre St, Mandeville, LA is assigned to Woodlake Elementary School (elementary), rated A; Monteleone Junior High School (middle), rated A-; Lakeshore 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 680 Montmartre St, Mandeville, LA compare to other homes in Mandeville 70448?

Among the 9,655 homes in Mandeville 70448, it is worth more than almost none of them ($141,981 against a typical $352,995), its price per square foot is higher than 3% of them ($119 against a typical $175), it is bigger than 8% of them (1,195 ft² against a typical 2,002 ft²), its lot is bigger than 5% of them (0.14 ac against a typical 0.66 ac) and it is newer than 24% of them (1985 against a typical 1995). Measured against all of Saint Tammany County, it is worth more than 10% 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 680 Montmartre St, Mandeville, LA?

The 2025 property tax bill for 680 Montmartre St, Mandeville, LA was $548. The county assessed it at $11,999.

More homes on Montmartre St

Closest homes

More homes in Mandeville 70448

Assigned schools

Explore the area

See this home in context

Open 680 Montmartre 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