Is Dorchester, MA Safe to Buy? Home Safety Score 100/100
Score 100/100 · Risk: moderate · Home Safety Grade A · Updated
Dorchester has moderate risk. Some factors warrant attention during the home buying process.
Score data: EPA SDWIS, EPA PFAS monitoring, EPA Radon Zones, EPA Air Quality Index Last verified:
What is a home safety score?
Home Safety Score model 4.0.0 combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, UCMR5 PFAS, EPA radon zone, and annual AQI with complete coverage. Dorchester scores 100/100 with a "moderate" risk level.
Per-ZIP Home Safety Scores
Safety scores vary across Dorchester's 3 ZIP codes.
| ZIP Code | Score | Grade | |
|---|---|---|---|
| 02121 | 100 | A | View report → |
| 02122 | 100 | A | View report → |
| 02125 | 100 | A | View report → |
Home Safety Overview
Dorchester, Massachusetts has moderate risk for homebuyers. The average home safety score is 100/100 across 3 ZIP codes. Some risk factors warrant attention during the home buying process.
Safety Score Card
A composite view of Dorchester's key risk indicators:
| Risk Factor | Value | Assessment |
|---|---|---|
| Water Compliance | 0 EPA violations across 3 direct ZIP records | No violations in available records |
| Lead Risk | 0.0058 mg/L | Low risk |
| Flood Risk | 1% of claim-record ZIPs have A/V-family dominant recorded rated zones | Historical claims evidence |
| Radon | Zone 3 (Low) | Low risk |
| Air Quality | AQI 32 (Good) | Low risk |
Per-ZIP Home Safety Scores
Home safety varies across Dorchester's ZIP codes. Lower scores indicate more risk factors:
Dorchester vs. Nearby Massachusetts Cities
How Dorchester's overall risk compares to similar cities in Massachusetts:
| City | Home Safety Grade | Lead ZIPs Over Limit | Flood Claims | Population |
|---|---|---|---|---|
| Dorchester | A | 0 | 34 | 84,838 |
| West Hyannisport | N/A | 0 | 7 | 85,000 |
| Lawrence | C | 0 | 332 | 88,297 |
| Somerville | C | 0 | 33 | 78,099 |
Homebuyer Safety Checklist for Dorchester
Before purchasing a home in Dorchester, Massachusetts, 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)
Flood Risk
- Check the property's FEMA flood zone at msc.fema.gov
- Ask about flood history and past insurance claims
- Review the claims-only zone evidence: 1% of ZIPs with NFIP claim records have A/V-family dominant recorded rated zones. This does not replace an address-level FEMA map check.
Lead Paint & Pipes
- For homes built before 1978: request lead paint disclosure
- For homes built before 1986: inspect plumbing for lead solder and pipes
- 82% of Dorchester 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)
Source reporting periods vary. See each cited source for its publication schedule.
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