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Single Family ResidenceResidential
$501,533
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 96How 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 $1,134,500 on Jun 22, 2023

4427 BOULONNAIS AVE

BATON ROUGE, LA 70820
0
Baths
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
2022
Year BuiltThe year the home was originally built, according to county records.

Valuation

$502K
$481K low$522K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,134,500 · Jun 22, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,232 (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.$43,220 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$33,320
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$432,200

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.43
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
98
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
69
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
28
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyEAST BATON ROUGE
Lot (acres)The size of the land the home sits on, from county records.0.19
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
Wedgewood Elementary SchoolB+
Elementary · Grades PK–5 · 1.1 mi
M
Southeast Middle SchoolC-
Middle · Grades 6–8 · 1.1 mi
H
Tara High SchoolD-
High · Grades 9–12 · 5.2 mi

District: East Baton Rouge Parish School District

Neighborhood · ZIP 70820These 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.138
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.34%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.24,690
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.961 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$53,210
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,631
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.63 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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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

4427 Boulonnais Ave 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 93% of homes in O'Neal
  • Has a smaller lot than 70% of homes in East Baton Rouge Parish County
  • Among the newest homes in East Baton Rouge Parish County

What homes are worth in Baton Rouge 70820

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

This home
$63K$656K

This home is worth more than 93% of homes in Baton Rouge 70820.

How it measures up in Baton Rouge 70820

The dot is this home. The mark in the middle is the typical home in Baton Rouge 70820.

Estimated value$501,533
CheaperTypical $243,605Pricier

Pricier than 93% of homes nearby

Lot size0.19 ac
SmallerTypical 0.14 acBigger

Bigger than 60% of homes nearby

Year built2022
OlderTypical 1999Newer

Newer than 98% of homes nearby

How 4427 Boulonnais Ave ranks against every home in each area.
MeasureThis homeO'NealBaton Rouge 70820East Baton Rouge Parish County
Estimated valuepricier than$501,53393% of homes93% of homes91% of homes
Lot sizebigger than0.19 ac39% of homes60% of homes30% of homes
Year builtnewer than2022almost all homes98% of homesalmost all homes

About 4427 Boulonnais Ave

How much is 4427 Boulonnais Ave, Baton Rouge, LA worth?

The TopHap Estimate for 4427 Boulonnais Ave, Baton Rouge, LA is $501,533 as of Jul 14, 2026. The likely range is $481,113 to $521,953. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4427 Boulonnais Ave, Baton Rouge, LA last sell?

4427 Boulonnais Ave, Baton Rouge, LA last sold on Jun 22, 2023 for $1,134,500, according to the county's recorded deed.

When was 4427 Boulonnais Ave, Baton Rouge, LA built?

4427 Boulonnais Ave, Baton Rouge, LA was built in 2022, making it 4 years old.

What schools serve 4427 Boulonnais Ave, Baton Rouge, LA?

4427 Boulonnais Ave, Baton Rouge, LA is assigned to Wedgewood Elementary School (elementary), rated B+; Southeast Middle School (middle), rated C-; Tara High School (high), rated D-. All sit in East Baton Rouge Parish School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4427 Boulonnais Ave, Baton Rouge, LA compare to other homes in Baton Rouge 70820?

Among the 6,611 homes in Baton Rouge 70820, it is worth more than 93% of them ($501,533 against a typical $243,605), its lot is bigger than 60% of them (0.19 ac against a typical 0.14 ac) and it is newer than 98% of them (2022 against a typical 1999). Measured against all of East Baton Rouge Parish County, it is worth more than 91% 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 4427 Boulonnais Ave, Baton Rouge, LA?

The 2025 property tax bill for 4427 Boulonnais Ave, Baton Rouge, LA was $4,232. The county assessed it at $43,220.

More homes on Boulonnais Ave

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Assigned schools

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