Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$115,604
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 67How 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

421 MAIN ST

PATTERSON, LA 70392
0
Baths

Valuation

$116K
$78K low$153K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$944 (2023)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$10,476 (2023)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$954
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$9,522
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$10,476
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$104,760

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.20
73
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
11
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.29 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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 Mary

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

M
Patterson Junior High SchoolC+
Middle · Grades 5–8 · 0.8 mi
E
Hattie A. Watts Elementary SchoolA
Elementary · Grades PK–4 · 0.9 mi
H
Patterson High SchoolC+
High · Grades 9–12 · 2.4 mi

District: St. Mary Parish School District

Neighborhood · ZIP 70392These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.6.3%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.26%
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.6,917
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.66 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$49,026
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$67,769
Average tempThe average temperature here across a full year.69°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.60%

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

421 Main 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.

What homes are worth in Patterson 70392

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

This home
$20K$455K

This home is worth more than 48% of homes in Patterson 70392.

How it measures up in Patterson 70392

The dot is this home. The mark in the middle is the typical home in Patterson 70392.

Estimated value$115,604
CheaperTypical $119,485Pricier

Pricier than 48% of homes nearby

How 421 Main St ranks against every home in each area.
MeasureThis homePatterson 70392Saint Mary County
Estimated valuepricier than$115,60448% of homes62% of homes

About 421 Main St

How much is 421 Main St, Patterson, LA worth?

The TopHap Estimate for 421 Main St, Patterson, LA is $115,604 as of Aug 30, 2026. The likely range is $77,721 to $153,487. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Main St, Patterson, LA last sell?

421 Main St, Patterson, LA last sold on Jul 1, 2010, according to the county's recorded deed.

What schools serve 421 Main St, Patterson, LA?

421 Main St, Patterson, LA is assigned to Patterson Junior High School (middle), rated C+; Hattie A. Watts Elementary School (elementary), rated A; Patterson High School (high), rated C+. All sit in St. Mary Parish School District. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 421 Main St, Patterson, LA?

The 2023 property tax bill for 421 Main St, Patterson, LA was $944. The county assessed it at $10,476.

More homes on Main St

Closest homes

More homes in Patterson 70392

Assigned schools

Explore the area

See this home in context

Open 421 Main 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