Butte County, California
26 ZIP codes · Avg score 86/100 · Grade A · Updated
ZipCheckup grade for Butte County: A.
No federal data flags a major home-safety concern for this ZIP.
Although county size varies, Butte County's 26 ZIP codes share reliably safe tap water records and above-average compliance scores.
How Butte County Compares
How Butte County Compares
Butte County scores 10 points above the California state average (76/100) and 13 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 Last verified:
ZIP Code Risk Map
Water Quality Map: Butte County, California
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.1 (asthma 10.5%, diabetes 10.7%)
Estimated additional annual cost per homeowner: $2,337, driven primarily by wildfire
65.3% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
↓ Improving trendEPA violation counts by year across Butte County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 28 violations. Past 5 years: 68 total (68 health-based). Health-based violations are declining versus the prior 2-year window.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County 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 DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,337
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
93,287 housing units in Butte County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Butte County
Remediation costs are relatively manageable for most homeowners in Butte County, representing a small fraction of property value.
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 Butte County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Butte County
8 community water systems serving Butte County.
- B
- A
- B
- A
- B
- B
Show all 8 water systems
- A
- B
12 total water systems serve Butte County.
Systems with the most violations in Butte County
5 water systems with recorded EPA violations.
- B
- B
- B
- A
- A
All ZIP Codes in Butte County
26 ZIP codes tracked in Butte County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 95966 | Oroville | 100 | A | 1 | $309K |
| 2 | 95969 | Paradise | 100 | A | 1 | $420K |
| 3 | 95928 | Chico | 83 | B | 1 | $477K |
| 4 | 95965 | Oroville | 83 | B | 2 | $296K |
| 5 | 95926 | Chico | 79 | B | 4 (1 health) | $463K |
| 6 | 95948 | Gridley | 79 | B | 2 (1 health) | $344K |
| 7 | 95973 | Chico | 79 | B | 4 (1 health) | $485K |
| 8 | 95914 | Bangor | — | — | 0 | $424K |
| 9 | 95915 | Belden | — | — | — | |
| 10 | 95916 | Berry Creek | — | — | $257K | |
| 11 | 95917 | Biggs | — | — | 2 (1 health) | $381K |
| 12 | 95923 | Canyon Dam | — | — | $729K | |
| 13 | 95927 | Chico | — | — | — | |
| 14 | 95929 | Chico | — | — | 0 | — |
| 15 | 95930 | Clipper Mills | — | — | — | |
| 16 | 95938 | Durham | — | — | $532K | |
| 17 | 95940 | Feather Falls | — | — | — | |
| 18 | 95941 | Forbestown | — | — | 0 | $196K |
| 19 | 95942 | Forest Ranch | — | — | $508K | |
| 20 | 95954 | Magalia | — | — | 0 | $268K |
| 21 | 95958 | Nelson | — | — | — | |
| 22 | 95967 | Paradise | — | — | — | |
| 23 | 95968 | Palermo | — | — | 0 | $122K |
| 24 | 95974 | Richvale | — | — | — | |
| 25 | 95976 | Chico | — | — | — | |
| 26 | 95978 | Stirling City | — | — | — |
Recommended Buyer Guides for Butte County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance - guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 65.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Deep Dive Reports
Detailed analysis for Butte County, California
Overview
Butte County in California covers 26 tracked ZIP records with an average Home Safety Score of A (86/100) across 7 scored records.
8 of 13 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 2 health-based violations appear in the available health breakdown.
← Back to California 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.