CITY REPORT CA

El Sobrante, CA Home Safety: Home Safety Score unavailable

2 ZIP codes · 1 water system · Updated

Data: EPA SDWIS

2
ZIP Codes
1
Water Systems
0
ZIPs with Violations
Zone 3
Radon Risk (Low)
$729K
Median Home Value
$2,300
Est. Remediation (0.3% of home value)

What You Should Know About El Sobrante Water

  • Estimated remediation: $2,300 per household.
  • CDC health risk index: 10.72.

Who Supplies Your Water in El Sobrante

Water service in El Sobrante, CA is organized around a single utility - one of 1 tracked by regulator, and the one that manages the local distribution network while holding primary responsibility for EPA compliance reporting.

Overview

We track home safety data for 2 ZIP codes in El Sobrante, California (population ~27,588), covering 1 community water system serving approximately 1,442,800 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Water Sources

El Sobrante water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 3 (Low Risk)

  • Zone 1 (High): 0 ZIP codes
  • Zone 2 (Moderate): 0 ZIP codes
  • Zone 3 (Low): 2 ZIP codes

Areas with No Violations

ZIP Code Safety Score System Population
94803 East Bay Municipal Utility District 1,442,800

All ZIP Codes in El Sobrante

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Health Outcomes in El Sobrante

9.4%
Asthma (US: 9.8%)
11.3%
Diabetes (US: 10.4%)
15.3%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 9.4% ↓
Diabetes 11.3% ↑
Mental Health 15.3% ↑

Vertical line = national average. Above national · Below national

Cost Context: What Remediation Means for El Sobrante Homeowners

The household financial picture for El Sobrante homeowners is proportionally favorable - addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.

Median Home Value
$729,000
Est. Remediation
$2,300
Remediation as % of home value 0.3%

Remediation costs in El Sobrante are relatively low compared to home values. The $1,500–$3,300 estimated range is a small fraction of median property value. Home values are 1% below the California average.

Historical NFIP Claim Context in El Sobrante

40
Total FEMA Flood Claims
$43,783
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for El Sobrante contains 40 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $43,783. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$2,300</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

How many water systems serve El Sobrante?
El Sobrante is served by 1 public water system across 2 ZIP codes, serving approximately 27,588 people.
How much does it cost to fix water issues in El Sobrante?
Estimated remediation costs in El Sobrante average $2,300 per household, ranging from $1,500 to $3,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesCalifornia → El Sobrante, CA

How to cite this page

APA ZipCheckup. (2026). El Sobrante, CA Home Safety: Home Safety Score unavailable. https://zipcheckup.com/cities/ca/el-sobrante/
BibTeX
@misc{zipcheckup-cities-ca-el-sobrante,
  author = {{ZipCheckup}},
  title  = {{El Sobrante, CA Home Safety: Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/el-sobrante/}
}

Page version: August 2026.

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