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Single Family ResidenceResidential
$153,392$100 / 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 93How 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

321 WILLIAM ST

BOUTTE, LA 70039
0
Baths
1,539 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.

Valuation

$153K
$143K low$164K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$7,091 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,802
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,289
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$7,091
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$70,910

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.71 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.95%

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 Charles
Lot (acres)The size of the land the home sits on, from county records.0.18
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

H
Hahnville High SchoolB-
High · Grades 9–12 · 1.3 mi
E
Mimosa Park Elementary School
Elementary · Grades PK–2 · 2.3 mi
M
J.B. Martin Middle SchoolA
Middle · Grades 6–8 · 2.9 mi

District: St. Charles Parish School District

Neighborhood · ZIP 70039These 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.140
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.28

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.9%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.2,812
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.160 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,072
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,044
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.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

321 William 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.

  • Worth less than 86% of homes in Saint Charles County
  • Costs less per square foot than 88% of homes in Saint Charles County
  • Smaller than 67% of homes in Saint Charles County
  • Older than 81% of homes in Boutte 70039

What homes are worth in Boutte 70039

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

This home
$57K$491K

This home is worth more than 44% of homes in Boutte 70039.

How it measures up in Boutte 70039

The dot is this home. The mark in the middle is the typical home in Boutte 70039.

Estimated value$153,392
CheaperTypical $169,998Pricier

Pricier than 44% of homes nearby

Price per ft²$100
CheaperTypical $111Pricier

Pricier than 40% of homes nearby

Living area1,539 ft²
SmallerTypical 1,488 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.18 ac
SmallerTypical 0.2 acBigger

Bigger than 43% of homes nearby

Year built1970
OlderTypical 1995Newer

Newer than 19% of homes nearby

How 321 William St ranks against every home in each area.
MeasureThis homeBoutte 70039Saint Charles County
Estimated valuepricier than$153,39244% of homes14% of homes
Price per ft²pricier than$10040% of homes12% of homes
Living areabigger than1,539 ft²54% of homes33% of homes
Lot sizebigger than0.18 ac43% of homes40% of homes
Year builtnewer than197019% of homes22% of homes

About 321 William St

How much is 321 William St, Boutte, LA worth?

The TopHap Estimate for 321 William St, Boutte, LA is $153,392 as of Sep 24, 2026. The likely range is $143,257 to $163,527. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 William St, Boutte, LA last sell?

321 William St, Boutte, LA last sold on Jan 20, 2005, according to the county's recorded deed.

How big is 321 William St, Boutte, LA?

321 William St, Boutte, LA has 1,539 square feet of living space and a 0.18-acre lot.

When was 321 William St, Boutte, LA built?

321 William St, Boutte, LA was built in 1970, making it 56 years old.

What schools serve 321 William St, Boutte, LA?

321 William St, Boutte, LA is assigned to Hahnville High School (high), rated B-; Mimosa Park Elementary School (elementary); J.B. Martin Middle School (middle), rated A. All sit in St. Charles Parish School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 William St, Boutte, LA compare to other homes in Boutte 70039?

Among the 853 homes in Boutte 70039, it is worth more than 44% of them ($153,392 against a typical $169,998), its price per square foot is higher than 40% of them ($100 against a typical $111), it is bigger than 54% of them (1,539 ft² against a typical 1,488 ft²), its lot is bigger than 43% of them (0.18 ac against a typical 0.2 ac) and it is newer than 19% of them (1970 against a typical 1995). Measured against all of Saint Charles County, it is worth more than 14% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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