Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$339,931
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 Oct 21, 2026
Last sold for $203,000 on Nov 7, 2016

321 DIANE AVE

RIVER RIDGE, LA 70123
0
Baths
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$340K
$317K low$362K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$203,000 · Nov 7, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,733 (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.$21,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,030
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$12,070
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$21,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$211,000

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.25 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.1 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
CountyJefferson
Lot (acres)The size of the land the home sits on, from county records.0.27
HeatingThe type of heating system in the home.None

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
Hazel Park/Hilda Knoff Elementary SchoolC
Elementary · Grades PK–8 · 1.2 mi
H
Riverdale High SchoolC
High · Grades 9–12 · 2.9 mi

District: Jefferson Parish School District

Neighborhood · ZIP 70123These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.26,125
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,899 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,902
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,670
Average tempThe average temperature here across a full year.69°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

321 Diane 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 80% of homes in Jefferson Parish County
  • Has a bigger lot than 94% of homes in Jefferson Parish County

What homes are worth in New Orleans 70123

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

This home
$123K$824K

This home is worth more than 66% of homes in New Orleans 70123.

How it measures up in New Orleans 70123

The dot is this home. The mark in the middle is the typical home in New Orleans 70123.

Estimated value$339,931
CheaperTypical $278,701Pricier

Pricier than 66% of homes nearby

Lot size0.27 ac
SmallerTypical 0.16 acBigger

Bigger than 87% of homes nearby

How 321 Diane Ave ranks against every home in each area.
MeasureThis homeNew Orleans 70123Jefferson Parish County
Estimated valuepricier than$339,93166% of homes80% of homes
Lot sizebigger than0.27 ac87% of homes94% of homes

About 321 Diane Ave

How much is 321 Diane Ave, River Ridge, LA worth?

The TopHap Estimate for 321 Diane Ave, River Ridge, LA is $339,931 as of Oct 21, 2026. The likely range is $317,480 to $362,382. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Diane Ave, River Ridge, LA last sell?

321 Diane Ave, River Ridge, LA last sold on Nov 7, 2016 for $203,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 321 Diane Ave, River Ridge, LA?

321 Diane Ave, River Ridge, LA is assigned to Hazel Park/Hilda Knoff Elementary School (elementary), rated C; Riverdale High School (high), rated C. All sit in Jefferson Parish School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Diane Ave, River Ridge, LA compare to other homes in New Orleans 70123?

Among the 8,748 homes in New Orleans 70123, it is worth more than 66% of them ($339,931 against a typical $278,701) and its lot is bigger than 87% of them (0.27 ac against a typical 0.16 ac). Measured against all of Jefferson Parish County, it is worth more than 80% 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 321 Diane Ave, River Ridge, LA?

The 2025 property tax bill for 321 Diane Ave, River Ridge, LA was $1,733. The county assessed it at $21,100.

More homes on Diane Ave

Closest homes

More homes in River Ridge 70123

Assigned schools

Explore the area

See this home in context

Open 321 Diane Ave 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