Placer County, California
31 ZIP codes · Avg score 74/100 · Grade B · Updated
ZipCheckup grade for Placer County: B.
This ZIP looks solid, with a few items worth a quick check.
Spanning 31 ZIP codes, Placer County posts strong drinking water compliance - most systems have never triggered a health-based notice.
How Placer County Compares
How Placer County Compares
Placer County scores 2 points below the California state average (76/100) and 1 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: Placer County, California
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.1 (asthma 9.9%, diabetes 9.8%)
Estimated additional annual cost per homeowner: $1,774, driven primarily by flood
58.5% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
→ Stable trendEPA violation counts by year across Placer County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 8 violations. Past 5 years: 10 total (10 health-based).
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: $1,774
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
171,762 housing units in Placer 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 Placer County
Remediation costs are relatively manageable for most homeowners in Placer 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 Placer County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Placer County
8 community water systems serving Placer County.
- B
- B
- B
- B
- B
- B
Show all 8 water systems
- B
- B
36 total water systems serve Placer County.
Systems with the most violations in Placer County
5 water systems with recorded EPA violations.
- C
- C
- B
- C
All ZIP Codes in Placer County
31 ZIP codes tracked in Placer County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 95602 | Auburn | 75 | B | 1 | $647K |
| 2 | 95603 | Auburn | 75 | B | 0 | $614K |
| 3 | 95631 | Foresthill | 75 | B | 0 | $507K |
| 4 | 95650 | Loomis | 75 | B | 0 | $783K |
| 5 | 95658 | Newcastle | 75 | B | 0 | $814K |
| 6 | 95661 | Roseville | 75 | B | 0 | $668K |
| 7 | 95663 | Penryn | 75 | B | 0 | $963K |
| 8 | 95677 | Rocklin | 75 | B | 0 | $630K |
| 9 | 95678 | Roseville | 75 | B | 0 | $535K |
| 10 | 95703 | Applegate | 75 | B | 0 | $644K |
| 11 | 95722 | Meadow Vista | 75 | B | 0 | $672K |
| 12 | 95746 | Granite Bay | 75 | B | 0 | $1058K |
| 13 | 95747 | Roseville | 75 | B | 0 | $653K |
| 14 | 95765 | Rocklin | 75 | B | 0 | $700K |
| 15 | 96143 | Kings Beach | 75 | B | 0 | $715K |
| 16 | 96145 | Tahoe City | 75 | B | 1 | $981K |
| 17 | 96146 | Olympic Valley | 75 | B | 0 | $1547K |
| 18 | 96148 | Tahoe Vista | 75 | B | 0 | $713K |
| 19 | 96140 | Carnelian Bay | 69 | C | 4 (1 health) | $871K |
| 20 | 95648 | Lincoln | 58 | C | 1 | $635K |
| 21 | 95604 | Auburn | — | — | — | |
| 22 | 95681 | Sheridan | — | — | $463K | |
| 23 | 95701 | Alta | — | — | $512K | |
| 24 | 95713 | Colfax | — | — | 0 | $480K |
| 25 | 95714 | Dutch Flat | — | — | $472K | |
| 26 | 95715 | Emigrant Gap | — | — | $374K | |
| 27 | 95717 | Gold Run | — | — | $490K | |
| 28 | 95728 | Soda Springs | — | — | $978K | |
| 29 | 95736 | Weimar | — | — | — | |
| 30 | 96141 | Homewood | — | — | 2 | $1060K |
| 31 | 96162 | Truckee | — | — | — |
Recommended Buyer Guides for Placer County
While many sites publish identical guide lists across every county they cover, the selection here changes by location - driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Lead Paint Test Kits — 58.5% of homes built before 1978
- 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 Placer County, California
Overview
Placer County in California covers 31 tracked ZIP records with an average Home Safety Score of B (74/100) across 20 scored records.
5 of 22 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.