Is Concord, CA Safe to Buy? Home Safety Score 78/100
Score 78/100 · Risk: moderate · Water Grade B · Updated 2026-05-03
Concord has moderate risk. Some factors warrant attention during the home buying process.
Data: EPA SDWIS, FEMA NFIP, Census ACS, EPA Radon Zones Last verified: 2026-05-03
Property and cost data for Concord places safety remediation in a proportionally modest range.
What is a home safety score?
The home safety score (0-100) combines multiple environmental risk factors into a single number: water quality grade, lead contamination levels, flood zone exposure, radon risk, and air quality. A higher score means lower overall risk. The score helps homebuyers compare neighborhoods at a glance. Concord scores 78/100 with a "moderate" risk level.
Remediation Cost Breakdown
Estimated costs to address safety issues for a typical home in Concord:
Cost ranges are estimates based on national averages. Actual costs vary by property. Get 3 quotes before proceeding.
Per-ZIP Home Safety Scores
Safety scores vary across Concord's 8 ZIP codes.
| ZIP Code | Score | Grade | |
|---|---|---|---|
| 94518 | 74 | B | View report → |
| 94520 | 74 | B | View report → |
| 94521 | 74 | B | View report → |
| 94527 | 78 | B | View report → |
| 94529 | 78 | B | View report → |
| 94519 | 79 | B | View report → |
| 94524 | 79 | B | View report → |
| 94522 | 91 | A | View report → |
Home Safety Overview
Concord, California has moderate risk for homebuyers. The average home safety score is 78/100 across 8 ZIP codes. Some risk factors warrant attention during the home buying process.
Safety Score Card
A composite view of Concord's key risk indicators:
| Risk Factor | Value | Assessment |
|---|---|---|
| Water Quality | Grade B (77/100) | Low risk |
| Lead Risk | 0.0031 mg/L | Low risk |
| Flood Risk | 63% in flood zones | Elevated risk |
| Radon | Zone 2 (Moderate) | Moderate risk |
| Air Quality | AQI 42 (Good) | Low risk |
Cost to Fix: Remediation Breakdown
Estimated costs to address safety issues for a typical home in Concord:
| Component | Estimated Cost |
|---|---|
| Radon | $400 |
| Filtration | $300 |
| Flood Insurance | $900 |
| Total (low estimate) | $750 |
| Total (mid estimate) | $2K |
| Total (high estimate) | $3K |
Cost ranges are estimates based on national averages and local data. Actual costs vary by property condition, contractor, and scope of work. Get 3 quotes before proceeding.
Per-ZIP Home Safety Scores
Home safety varies across Concord's ZIP codes. Lower scores indicate more risk factors:
| ZIP Code | Safety Score | Grade |
|---|---|---|
| 94518 | 74 | B |
| 94520 | 74 | B |
| 94521 | 74 | B |
| 94527 | 78 | B |
| 94529 | 78 | B |
| 94519 | 79 | B |
| 94524 | 79 | B |
| 94522 | 91 | A |
Safety scores range from 74 (94518) to 91 (94522) — a spread of 17 points.
Concord vs. Nearby California Cities
How Concord's overall risk compares to similar cities in California:
| City | Water Grade | Lead ZIPs Over Limit | Flood Claims | Population |
|---|---|---|---|---|
| Concord | B | 0 | 71 | 198,802 |
| Rosemead | B | 0 | 3 | 199,646 |
| Point Mugu Nawc | D | 0 | 0 | 200,232 |
| Sunset Beach | C | 0 | 22 | 201,000 |
Homebuyer Safety Checklist for Concord
Before purchasing a home in Concord, California, complete these checks:
Water Quality
- Request the latest Consumer Confidence Report (CCR) from the water utility
- Test tap water for lead, bacteria, and nitrates ($20-$50 for DIY kit)
Radon
- Conduct a radon test ($15-$30 for short-term kit, $150-$300 for professional)
- Concord is in Radon Zone 2 (Moderate risk) — testing is strongly recommended
Flood Risk
- Check the property's FEMA flood zone at msc.fema.gov
- Ask about flood history and past insurance claims
- 63% of Concord is in flood zones — verify insurance requirements
Lead Paint & Pipes
- For homes built before 1978: request lead paint disclosure
- For homes built before 1986: inspect plumbing for lead solder and pipes
- 84% of Concord homes built before 1986 — pipe inspection recommended
General
- Check for carbon monoxide detectors on every level
- Inspect for visible mold, water stains, or musty odors
- Verify the home's connection to a regulated public water system
Data Sources
- Water quality: EPA SDWIS
- Lead: EPA Lead and Copper Rule
- Flood: FEMA NFIP
- Radon: EPA Radon Zones
- Air quality: EPA AirNow
- Home values: U.S. Census Bureau ACS B25077
- Remediation costs: National cost model (EPA, Census, FEMA data)
Updated daily.
Water Quality Map: Concord, CA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
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