Trinity County, California
12 ZIP codes · Avg score 83/100 · Grade B · Updated
ZipCheckup grade for Trinity County: B.
This ZIP looks solid, with a few items worth a quick check.
Recent water monitoring in Trinity County shows 12 ZIP codes with consistently safe results.
How Trinity County Compares
How Trinity County Compares
Trinity County scores 7 points above the California state average (76/100) and 10 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: Trinity County, California
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.2 (asthma 11%, diabetes 15.9%)
Estimated additional annual cost per homeowner: $5,032, driven primarily by sea_level
68.3% of homes built before 1978 (lead paint era)
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: $5,032
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
7,982 housing units in Trinity 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 Trinity County
Remediation costs are relatively manageable for most homeowners in Trinity 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 Trinity County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Trinity County
1 community water system serving Trinity County.
- B
Systems with the most violations in Trinity County
1 water system with recorded EPA violations.
- B
All ZIP Codes in Trinity County
12 ZIP codes tracked in Trinity County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 96093 | Weaverville | 83 | B | 1 (1 health) | $336K |
| 2 | 95527 | Burnt Ranch | — | — | $426K | |
| 3 | 95552 | Mad River | — | — | $197K | |
| 4 | 95563 | Salyer | — | — | $581K | |
| 5 | 95595 | Zenia | — | — | $366K | |
| 6 | 96010 | Big Bar | — | — | — | |
| 7 | 96024 | Douglas City | — | — | $370K | |
| 8 | 96041 | Hayfork | — | — | $273K | |
| 9 | 96046 | Hyampom | — | — | — | |
| 10 | 96048 | Junction City | — | — | $401K | |
| 11 | 96052 | Lewiston | — | — | 1 (1 health) | $321K |
| 12 | 96091 | Trinity Center | — | — | 1 (1 health) | $341K |
Recommended Buyer Guides for Trinity County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Lead Paint Test Kits — 68.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Trinity County, California
Overview
Trinity County in California covers 12 tracked ZIP records with an average Home Safety Score of B (83/100) across 1 scored records.
3 of 3 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 1 health-based violation 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.