CITY REPORT CA

Laguna Hills, CA Home Safety: Home Safety 92/100

2 ZIP codes · 2 water systems · Updated

ZipCheckup grade for Laguna Hills: A.

Checked records flag no major concern; missing data is unknown.

Laguna Hills, CA carries a grade in ZipCheckup's upper tier; any health-based violations on record should be checked per water system.

How Laguna Hills Compares

Laguna Hills92/100
California avg76/100
National avg73/100

Data: EPA SDWIS

2
ZIP Codes
2
Water Systems
0
ZIPs Linked to Systems with Violations
A · 92
Avg Safety Score
Zone 3
County Radon Potential (Low)
$978K
Median Home Value
$500
Est. Remediation (0.1% of home value)

Laguna Hills Water: The Quick Version

  • Average of reported 90th-percentile lead results: 0.0008 mg/L.
  • Estimated remediation: $500 per household.
  • Health risk index (ZipCheckup composite of CDC data): 10.23.

Water Systems Serving Laguna Hills

Service in Laguna Hills, CA can differ by address: 2 water systems are tied to the area in federal records, and the 2 largest are listed with their violation records.

Overview

We track home safety data for 2 ZIP codes in Laguna Hills, California (population ~29,596), covering 2 community water systems serving approximately 222,036 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.

Home Safety Score

Average Home Safety Score for Laguna Hills: A (92/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Laguna Hills water systems draw from: Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0008 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

2 of 2 ZIP records with known zones are in EPA Radon Zone 3.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Areas with No Violations

ZIP Code Safety Score System Population
92653 A Moulton Niguel Water District 170,236

All ZIP Codes in Laguna Hills

Data Sources

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

CDC Health Data for Laguna Hills

9%
Asthma (US: 9.8%)
11.5%
Diabetes (US: 10.4%)
16%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 9% ↓
Diabetes 11.5% ↑
Mental Health 16% ↑

Vertical line = national average. ■ Above national · ■ Below national

Laguna Hills: Remediation Cost in Perspective

In Laguna Hills, estimated remediation comes to 1% or less of the median home value.

Median Home Value
$978,400
Est. Remediation
$500
Remediation as % of home value 0.1%

Estimated remediation costs in Laguna Hills can be compared with local home values. The $300–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 32% above the California average.

Protecting Children from Lead in Laguna Hills

0.0008
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Available area-level lead records for Laguna Hills do not determine the lead level at an individual tap. Testing is the only way to confirm your water's lead content.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical Flood-Claim Evidence for Laguna Hills

22
Total FEMA Flood Claims
$5,782
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Laguna Hills contains 22 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $5,782. Among ZIP codes with claim records, 0% 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 $500 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.

Deep Dive Reports

Detailed analysis for Laguna Hills, CA

Frequently Asked Questions

What does the Home Safety Score mean for Laguna Hills, CA?
Laguna Hills has an average Home Safety Score of 92/100 (Grade A) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
Does Laguna Hills water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Laguna Hills is 0.0008 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How does Laguna Hills compare to California average?
Laguna Hills has an average Home Safety Score of 92/100, which is at or above the California state average of 76/100 for the same model series.
How many water systems serve Laguna Hills?
Our records map 2 water systems to 2 ZIP codes in Laguna Hills. The related population figure in our data is approximately 29,596 people; it is not a count of people served citywide.
How much does it cost to fix water issues in Laguna Hills?
Estimated remediation cost per household in Laguna Hills: $500; modeled range $300 to $800. Estimated costs may include filtration, pipe replacement, radon mitigation, or flood protection where applicable.
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How to cite this page

APA ZipCheckup. (2026). Laguna Hills, CA Home Safety: Home Safety 92/100. https://zipcheckup.com/cities/ca/laguna-hills/
BibTeX 
@misc{zipcheckup-cities-ca-laguna-hills,
  author = {{ZipCheckup}},
  title  = {{Laguna Hills, CA Home Safety: Home Safety 92/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/laguna-hills/}
}

Page version: October 2026.

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