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Single Family ResidenceResidential
$151,436$117 / 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 78How 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 $110,100 on May 18, 2026

423 PORTSMOUTH DR

SLIDELL, LA 70460
0
Baths
1,290 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
1
ParkingThe number of parking spaces on the property, including the garage.
Pre-foreclosure (NOS)A foreclosure notice on this home is currently active. Many are worked out before any auction happens.
Auction scheduled for May 13, 2026.

Valuation

$151K
$118K low$185K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$110,100 · May 18, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,396 (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.$10,805 (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.$9,305
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$10,805
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$108,048

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.90 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.45%
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.0.16
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.

Foreclosure Filings(3)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Bayou Woods Elementary SchoolB-
Elementary · Grades PK–3 · 0.5 mi
M
Slidell Junior High SchoolB-
Middle · Grades 7–8 · 2.2 mi
H
Slidell High SchoolC
High · Grades 9–12 · 2.5 mi

District: St. Tammany Parish School District

Neighborhood · ZIP 70460These 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.119
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.30

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.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.23,168
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.530 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,606
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$75,236
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

423 Portsmouth 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 88% of homes in Saint Tammany County
  • Costs less per square foot than 80% of homes in Saint Tammany County
  • Smaller than 85% of homes in Saint Tammany County
  • Has a smaller lot than 96% of homes in Saint Tammany County

What homes are worth in Slidell 70460

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

This home
$52K$473K

This home is worth more than 30% of homes in Slidell 70460.

How it measures up in Slidell 70460

The dot is this home. The mark in the middle is the typical home in Slidell 70460.

Estimated value$151,436
CheaperTypical $179,785Pricier

Pricier than 30% of homes nearby

Price per ft²$117
CheaperTypical $114Pricier

Pricier than 58% of homes nearby

Living area1,290 ft²
SmallerTypical 1,589 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.16 ac
SmallerTypical 1 acBigger

Bigger than 6% of homes nearby

Year built1995
OlderTypical 1998Newer

Newer than 46% of homes nearby

How 423 Portsmouth Dr ranks against every home in each area.
MeasureThis homeSlidell 70460Saint Tammany County
Estimated valuepricier than$151,43630% of homes12% of homes
Price per ft²pricier than$11758% of homes20% of homes
Living areabigger than1,290 ft²25% of homes15% of homes
Lot sizebigger than0.16 ac6% of homes4% of homes
Year builtnewer than199546% of homes43% of homes

About 423 Portsmouth Dr

How much is 423 Portsmouth Dr, Slidell, LA worth?

The TopHap Estimate for 423 Portsmouth Dr, Slidell, LA is $151,436 as of Sep 24, 2026. The likely range is $117,788 to $185,084. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 423 Portsmouth Dr, Slidell, LA last sell?

423 Portsmouth Dr, Slidell, LA last sold on May 18, 2026 for $110,100, according to the county's recorded deed.

How big is 423 Portsmouth Dr, Slidell, LA?

423 Portsmouth Dr, Slidell, LA has 1,290 square feet of living space and a 0.16-acre lot.

When was 423 Portsmouth Dr, Slidell, LA built?

423 Portsmouth Dr, Slidell, LA was built in 1995, making it 31 years old.

What schools serve 423 Portsmouth Dr, Slidell, LA?

423 Portsmouth Dr, Slidell, LA is assigned to Bayou Woods Elementary School (elementary), rated B-; Slidell Junior High School (middle), rated B-; Slidell High School (high), rated C. All sit in St. Tammany Parish School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 423 Portsmouth Dr, Slidell, LA compare to other homes in Slidell 70460?

Among the 8,290 homes in Slidell 70460, it is worth more than 30% of them ($151,436 against a typical $179,785), its price per square foot is higher than 58% of them ($117 against a typical $114), it is bigger than 25% of them (1,290 ft² against a typical 1,589 ft²), its lot is bigger than 6% of them (0.16 ac against a typical 1 ac) and it is newer than 46% of them (1995 against a typical 1998). Measured against all of Saint Tammany County, it is worth more than 12% 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 423 Portsmouth Dr, Slidell, LA?

The 2025 property tax bill for 423 Portsmouth Dr, Slidell, LA was $1,396. The county assessed it at $10,805.

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