Jefferson Parish, Louisiana
35 ZIP codes · Avg score 98/100 · Grade A
ZipCheckup grade for Jefferson Parish: A.
Checked records flag no major concern; missing data is unknown.
Jefferson Parish earns an A or B, the top two of ZipCheckup's five grades, based on the average composite Home Safety Score of its scored ZIP codes. That composite can draw on drinking water records, radon zones, PFAS monitoring and air quality data, so a strong grade summarizes several sources and is not a reading from anyone's tap. Scores also vary from one ZIP code to another, and the 35 ZIP reports listed for the parish show where each one stands.
How Jefferson Parish Compares
How Jefferson Parish Compares
Jefferson Parish scores 6 points above the Louisiana state average (92/100) and 25 points above the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
ZIP Code Risk Map
Water Quality Map: Jefferson Parish, Louisiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.8 (asthma 9.8%, diabetes 16.2%)
Modeled additional annual cost estimate per homeowner: $2,944, largest modeled factor: Flood
Parish Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,944
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Jefferson Parish
Modeled remediation costs in Jefferson Parish can be compared with the median property value; actual costs vary by property.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Jefferson Parish residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Jefferson Parish ZIP codes
7 community water systems mapped to Jefferson Parish ZIP codes; EPA may list more systems serving the parish.
- A
- A
- A
- A
- A
- A
Show all 7 water systems
- A
Systems with the most violations in Jefferson Parish
5 water systems with violations in EPA records.
- A
- A
- A
- A
- A
All ZIP Codes in Jefferson Parish
35 ZIP codes tracked in Jefferson Parish.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 70001 | Metairie | 100 | A | 0 | $313K |
| 2 | 70002 | Metairie | 100 | A | 0 | $379K |
| 3 | 70003 | Metairie | 100 | A | 0 | $255K |
| 4 | 70005 | Metairie | 100 | A | 0 | $381K |
| 5 | 70006 | Metairie | 100 | A | 0 | $333K |
| 6 | 70062 | Kenner | 100 | A | 0 | $198K |
| 7 | 70065 | Kenner | 100 | A | 0 | $256K |
| 8 | 70121 | New Orleans | 100 | A | 0 | $237K |
| 9 | 70123 | New Orleans | 100 | A | 0 | $318K |
| 10 | 70036 | Barataria | 99 | A | 1 (1 health) | $188K |
| 11 | 70067 | Lafitte | 99 | A | 1 (1 health) | $205K |
| 12 | 70358 | Grand Isle | 99 | A | 1 (1 health) | $266K |
| 13 | 70053 | Gretna | 97 | A | 6 (2 health) | $226K |
| 14 | 70094 | Westwego | 97 | A | 7 (2 health) | $155K |
| 15 | 70056 | Gretna | 95 | A | 9 (7 health) | $223K |
| 16 | 70058 | Harvey | 95 | A | 9 (7 health) | $195K |
| 17 | 70072 | Marrero | 93 | A | 14 (8 health) | $191K |
| 18 | 70004 | Metairie | — | — | — | |
| 19 | 70009 | Metairie | — | — | — | |
| 20 | 70010 | Metairie | — | — | — | |
| 21 | 70011 | Metairie | — | — | — | |
| 22 | 70033 | Metairie | — | — | — | |
| 23 | 70054 | Gretna | — | — | — | |
| 24 | 70055 | Metairie | — | — | — | |
| 25 | 70059 | Harvey | — | — | — | |
| 26 | 70060 | Metairie | — | — | — | |
| 27 | 70063 | Kenner | — | — | — | |
| 28 | 70064 | Kenner | — | — | — | |
| 29 | 70073 | Marrero | — | — | — | |
| 30 | 70096 | Westwego | — | — | — | |
| 31 | 70097 | Kenner | — | — | — | |
| 32 | 70158 | New Orleans | — | — | — | |
| 33 | 70183 | New Orleans | — | — | — | |
| 34 | 70302 | Thibodaux | — | — | — | |
| 35 | 71136 | Shreveport | — | — | — |
Recommended Buyer Guides for Jefferson Parish
Which guides appear depends on what the county data show.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Jefferson Parish, Louisiana
Overview
Jefferson Parish in Louisiana covers 35 tracked ZIP records with an average Home Safety Score of A (98/100) across 17 scored records.
8 of 17 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 9 health-based violations appear in the available health breakdown.
← Back to Louisiana Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.