Home Safety
Water Safety
Lead Risk
PFAS Contamination
Flood Risk
Air Quality
Mold Risk
Wildfire Risk
Earthquake Risk
Infrastructure Risk
CO & Gas Safety
School Safety
Superfund Proximity
2026 Rankings
Stockton Home Safety Rankings - 132 ZIPs
Explore rankings under Home Safety Score model 4.0.0. Only ZIPs with all four required inputs are ranked; missing evidence is not imputed or reweighted.
Stockton (California) includes 132 tracked ZIP codes and 86 mapped community water systems; confirm service for a specific address. Below are the water quality rankings for metro ZIPs with all required inputs.
Average Home Safety Grade: B (83/100)
| Grade | ZIP Codes | % |
|---|---|---|
| A | 19 | 26% |
| B | 50 | 69% |
| C | 3 | 4% |
| D | 0 | 0% |
| F | 0 | 0% |
Top 10 ZIP Codes by Home Safety Score
| Rank | ZIP | City | Score | Grade |
|---|---|---|---|---|
| 1 | 95304 | Tracy | 100 | A |
| 2 | 95320 | Escalon | 100 | A |
| 3 | 95324 | Hilmar | 100 | A |
| 4 | 95376 | Tracy | 100 | A |
| 5 | 95391 | Tracy | 100 | A |
| 6 | 95322 | Gustine | 96 | A |
| 7 | 95334 | Livingston | 96 | A |
| 8 | 95316 | Denair | 92 | A |
| 9 | 95328 | Keyes | 92 | A |
| 10 | 95363 | Patterson | 92 | A |
10 Riskiest ZIP Codes
| Rank | ZIP | City | Score | Grade | Risk Factor |
|---|---|---|---|---|---|
| 1 | 95305 | Big Oak Flat | 56 | C | 10 violations |
| 2 | 95321 | Groveland | 61 | C | 5 violations |
| 3 | 95351 | Modesto | 67 | C | 4 violations |
| 4 | 95383 | Twain Harte | 70 | B | 13 violations |
| 5 | 95307 | Ceres | 71 | B | 2 violation(s) |
| 6 | 95357 | Modesto | 74 | B | 1 violation(s) |
| 7 | 95356 | Modesto | 74 | B | 1 violation(s) |
| 8 | 95358 | Modesto | 75 | B | — |
| 9 | 95355 | Modesto | 75 | B | — |
| 10 | 95354 | Modesto | 75 | B | — |
Most Common Contaminant Violations
| Contaminant | Violations | ZIPs Affected |
|---|---|---|
| Lead | 78 | 34 |
| Stage 2 DBP Rule | 75 | 26 |
| Consumer Confidence Report Rule | 33 | 12 |
| Haloacetic Acids (HAA5) | 31 | 16 |
| Barium | 26 | 2 |
| Stage 1 DBP Rule | 14 | 14 |
| Total Trihalomethanes (TTHM) | 10 | 5 |
| Total Coliform | 1 | 1 |
Lead Risk
- Average of reported 90th-percentile lead results: 0.0068 mg/L (below EPA action level)
- 0 of 86 ZIP codes with known status exceed EPA lead action level
- 11% of housing built before 1950
- 29% of housing built before 1970
Cities in This Metro
- Stockton, CA — 20 ZIP codes
- Modesto, CA — 10 ZIP codes
- Tracy, CA — 5 ZIP codes
- Merced, CA — 5 ZIP codes
- Lodi, CA — 3 ZIP codes
- Turlock, CA — 3 ZIP codes
- San Andreas, CA — 2 ZIP codes
- Manteca, CA — 2 ZIP codes
- Acampo, CA — 1 ZIP code
- Altaville, CA — 1 ZIP code
- Angels Camp, CA — 1 ZIP code
- Arnold, CA — 1 ZIP code
- Avery, CA — 1 ZIP code
- Burson, CA — 1 ZIP code
- Campo Seco, CA — 1 ZIP code
- Clements, CA — 1 ZIP code
- Copperopolis, CA — 1 ZIP code
- Douglas Flat, CA — 1 ZIP code
- Farmington, CA — 1 ZIP code
- French Camp, CA — 1 ZIP code
- Glencoe, CA — 1 ZIP code
- Hathaway Pines, CA — 1 ZIP code
- Holt, CA — 1 ZIP code
- Linden, CA — 1 ZIP code
- Lockeford, CA — 1 ZIP code
- Mokelumne Hill, CA — 1 ZIP code
- Mountain Ranch, CA — 1 ZIP code
- Murphys, CA — 1 ZIP code
- Rail Road Flat, CA — 1 ZIP code
- Vallecito, CA — 1 ZIP code
...and 60 more cities
All 132 ZIP Codes Ranked
View complete ranking
| Rank | ZIP | City | Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 95304 | Tracy | 100 | A | 0 |
| 2 | 95320 | Escalon | 100 | A | 0 |
| 3 | 95324 | Hilmar | 100 | A | 14 |
| 4 | 95376 | Tracy | 100 | A | 0 |
| 5 | 95391 | Tracy | 100 | A | 0 |
| 6 | 95322 | Gustine | 96 | A | 2 |
| 7 | 95334 | Livingston | 96 | A | 3 |
| 8 | 95316 | Denair | 92 | A | 0 |
| 9 | 95328 | Keyes | 92 | A | 0 |
| 10 | 95363 | Patterson | 92 | A | 0 |
| 11 | 95368 | Salida | 92 | A | 0 |
| 12 | 95382 | Turlock | 92 | A | 0 |
| 13 | 95386 | Waterford | 92 | A | 0 |
| 14 | 95387 | Westley | 92 | A | 0 |
| 15 | 95367 | Riverbank | 91 | A | 1 |
| 16 | 95380 | Turlock | 90 | A | 15 |
| 17 | 95360 | Newman | 87 | A | 4 |
| 18 | 95361 | Oakdale | 87 | A | 3 |
| 19 | 95388 | Winton | 87 | A | 10 |
| 20 | 95326 | Hughson | 84 | B | 23 |
| 21 | 95202 | Stockton | 83 | B | 0 |
| 22 | 95203 | Stockton | 83 | B | 0 |
| 23 | 95204 | Stockton | 83 | B | 0 |
| 24 | 95211 | Stockton | 83 | B | 0 |
| 25 | 95215 | Stockton | 83 | B | 0 |
| 26 | 95224 | Avery | 83 | B | 0 |
| 27 | 95228 | Copperopolis | 83 | B | 0 |
| 28 | 95245 | Mokelumne Hill | 83 | B | 0 |
| 29 | 95252 | Valley Springs | 83 | B | 0 |
| 30 | 95258 | Woodbridge | 83 | B | 0 |
| 31 | 95310 | Columbia | 83 | B | 1 |
| 32 | 95330 | Lathrop | 83 | B | 1 |
| 33 | 95337 | Manteca | 83 | B | 1 |
| 34 | 95348 | Merced | 83 | B | 0 |
| 35 | 95366 | Ripon | 83 | B | 1 |
| 36 | 95372 | Soulsbyville | 83 | B | 1 |
| 37 | 95379 | Tuolumne | 83 | B | 1 |
| 38 | 95247 | Murphys | 82 | B | 2 |
| 39 | 95315 | Delhi | 82 | B | 15 |
| 40 | 95205 | Stockton | 81 | B | 4 |
| 41 | 95206 | Stockton | 81 | B | 4 |
| 42 | 95207 | Stockton | 81 | B | 4 |
| 43 | 95209 | Stockton | 81 | B | 4 |
| 44 | 95210 | Stockton | 81 | B | 4 |
| 45 | 95212 | Stockton | 81 | B | 4 |
| 46 | 95219 | Stockton | 81 | B | 4 |
| 47 | 95223 | Arnold | 81 | B | 3 |
| 48 | 95231 | French Camp | 81 | B | 4 |
| 49 | 95240 | Lodi | 81 | B | 4 |
| 50 | 95242 | Lodi | 81 | B | 4 |
| 51 | 95336 | Manteca | 81 | B | 5 |
| 52 | 95340 | Merced | 79 | B | 2 |
| 53 | 95341 | Merced | 79 | B | 2 |
| 54 | 95365 | Planada | 79 | B | 2 |
| 55 | 95222 | Angels Camp | 78 | B | 4 |
| 56 | 95249 | San Andreas | 78 | B | 4 |
| 57 | 95251 | Vallecito | 78 | B | 4 |
| 58 | 95327 | Jamestown | 77 | B | 8 |
| 59 | 95370 | Sonora | 76 | B | 13 |
| 60 | 95301 | Atwater | 75 | B | 5 |
| 61 | 95350 | Modesto | 75 | B | 0 |
| 62 | 95354 | Modesto | 75 | B | 0 |
| 63 | 95355 | Modesto | 75 | B | 0 |
| 64 | 95358 | Modesto | 75 | B | 0 |
| 65 | 95356 | Modesto | 74 | B | 1 |
| 66 | 95357 | Modesto | 74 | B | 1 |
| 67 | 95307 | Ceres | 71 | B | 2 |
| 68 | 95383 | Twain Harte | 70 | B | 13 |
| 69 | 95351 | Modesto | 67 | C | 4 |
| 70 | 95321 | Groveland | 61 | C | 5 |
| 71 | 95305 | Big Oak Flat | 56 | C | 10 |
| 72 | 95220 | Acampo | — | — | — |
| 73 | 95221 | Altaville | — | — | — |
| 74 | 95225 | Burson | — | — | 0 |
| 75 | 95227 | Clements | — | — | — |
| 76 | 95230 | Farmington | — | — | 0 |
| 77 | 95232 | Glencoe | — | — | — |
| 78 | 95233 | Hathaway Pines | — | — | — |
| 79 | 95236 | Linden | — | — | — |
| 80 | 95237 | Lockeford | — | — | 0 |
| 81 | 95246 | Mountain Ranch | — | — | 0 |
| 82 | 95248 | Rail Road Flat | — | — | — |
| 83 | 95253 | Victor | — | — | — |
| 84 | 95254 | Wallace | — | — | 0 |
| 85 | 95255 | West Point | — | — | 0 |
| 86 | 95257 | Wilseyville | — | — | — |
| 87 | 95303 | Ballico | — | — | — |
| 88 | 95306 | Catheys Valley | — | — | — |
| 89 | 95311 | Coulterville | — | — | 9 |
| 90 | 95312 | Cressey | — | — | — |
| 91 | 95313 | Crows Landing | — | — | — |
| 92 | 95317 | El Nido | — | — | — |
| 93 | 95318 | El Portal | — | — | — |
| 94 | 95319 | Empire | — | — | 0 |
| 95 | 95323 | Hickman | — | — | — |
| 96 | 95329 | La Grange | — | — | 4 |
| 97 | 95333 | Le Grand | — | — | 11 |
| 98 | 95335 | Long Barn | — | — | — |
| 99 | 95338 | Mariposa | — | — | — |
| 100 | 95345 | Midpines | — | — | — |
| 101 | 95346 | Mi Wuk Village | — | — | 12 |
| 102 | 95369 | Snelling | — | — | 6 |
| 103 | 95374 | Stevinson | — | — | — |
| 104 | 95375 | Strawberry | — | — | — |
| 105 | 95377 | Tracy | — | — | 0 |
| 106 | 95385 | Vernalis | — | — | 0 |
| 107 | 95389 | Yosemite National Park | — | — | — |
Data Sources
- Water quality: EPA SDWIS
- Housing: U.S. Census Bureau American Community Survey
- Flood: FEMA NFIP
- Flood scope: historical NFIP claim records and claim-rated-zone evidence; this is not current property-map coverage.
Reporting periods vary by source; the page metadata identifies this materialization.
Methodology
Model 4.0.0 averages SDWIS water compliance and UCMR5 PFAS within drinking water, then averages drinking water, county radon, and annual AQI as three equal domains. All four inputs are required. Score methodology → · Rankings methodology →
Model 4.0.0 averages SDWIS water compliance and UCMR5 PFAS within drinking water, then averages drinking water, county radon, and annual AQI as three equal domains. All four inputs are required. Score methodology → · Rankings methodology →
Disclaimer: Scores are based on EPA SDWIS reported data and are not a guarantee of current water safety. Water quality can change. For the most current information, contact your local water utility or request a Consumer Confidence Report.
Explore More
How to cite this page
APA
ZipCheckup. (2026). Stockton Home Safety Rankings - 132 ZIPs. https://zipcheckup.com/rankings/metro/stockton/
BibTeX
@misc{zipcheckup-rankings-metro-stockton,
author = {{ZipCheckup}},
title = {{Stockton Home Safety Rankings - 132 ZIPs}},
year = {2026},
url = {https://zipcheckup.com/rankings/metro/stockton/}
}
Page version: October 2026.
Get safety alerts
Free updates when EPA data changes for this area. No spam.
Unsubscribe anytime. Privacy Policy.