Suffolk County, Massachusetts
50 ZIP codes · Avg score 85/100 · Grade A · Updated 2026-07-19
ZipCheckup grade for Suffolk: A.
No federal data flags a major home-safety concern for this ZIP.
Within Suffolk County's 50 tracked ZIP codes, safety indicators remain above the national average with few health-based violations on record.
How Suffolk County Compares
How Suffolk County Compares
Suffolk County scores 19 points above the Massachusetts state average (66/100) and 17 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Suffolk County, Massachusetts
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 10.1 (asthma 11.4%, diabetes 9.3%)
Estimated additional annual cost per homeowner: $1,821, driven primarily by flood
Infrastructure: 0.524% avg pipe failure probability, 85% of ZIPs at high risk
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,821
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Suffolk County
Remediation costs are relatively manageable for most homeowners in Suffolk 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 Suffolk County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Suffolk County
8 community water systems serving Suffolk County.
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Show all 8 water systems
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10 total water systems serve Suffolk County.
Systems with the most violations in Suffolk County
3 water systems with recorded EPA violations.
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All ZIP Codes in Suffolk County
50 ZIP codes tracked in Suffolk County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 02228 | East Boston | 99 | A | 0 | — |
| 2 | 02112 | Boston | 92 | A | 3 | — |
| 3 | 02117 | Boston | 92 | A | 3 | — |
| 4 | 02123 | Boston | 92 | A | 3 | — |
| 5 | 02133 | Boston | 92 | A | 3 | — |
| 6 | 02196 | Boston | 92 | A | 3 | — |
| 7 | 02201 | Boston | 92 | A | 3 | — |
| 8 | 02203 | Boston | 92 | A | 3 | — |
| 9 | 02204 | Boston | 92 | A | 3 | — |
| 10 | 02205 | Boston | 92 | A | 3 | — |
| 11 | 02206 | Boston | 92 | A | 3 | — |
| 12 | 02211 | Boston | 92 | A | 3 | — |
| 13 | 02212 | Boston | 92 | A | 3 | — |
| 14 | 02216 | Boston | 92 | A | 3 | — |
| 15 | 02217 | Boston | 92 | A | 3 | — |
| 16 | 02222 | Boston | 92 | A | 3 | — |
| 17 | 02241 | Boston | 92 | A | 3 | — |
| 18 | 02266 | Boston | 92 | A | 3 | — |
| 19 | 02283 | Boston | 92 | A | 3 | — |
| 20 | 02284 | Boston | 92 | A | 3 | — |
| 21 | 02295 | Boston | 92 | A | 3 | — |
| 22 | 02297 | Boston | 92 | A | 3 | — |
| 23 | 02298 | Boston | 92 | A | 3 | — |
| 24 | 02111 | Boston | 89 | A | 3 | $953K |
| 25 | 02113 | Boston | 89 | A | 3 | $694K |
| 26 | 02163 | Boston | 89 | A | 3 | — |
| 27 | 02199 | Boston | 89 | A | 3 | — |
| 28 | 02293 | Boston | 89 | A | 3 | — |
| 29 | 02150 | Chelsea | 88 | A | 0 | $477K |
| 30 | 02108 | Boston | 84 | B | 3 | $1570K |
| 31 | 02110 | Boston | 84 | B | 3 | $1105K |
| 32 | 02114 | Boston | 84 | B | 3 | $928K |
| 33 | 02115 | Boston | 84 | B | 3 | $1015K |
| 34 | 02116 | Boston | 84 | B | 3 | $1584K |
| 35 | 02118 | Boston | 84 | B | 3 | $1029K |
| 36 | 02127 | Boston | 84 | B | 3 | $859K |
| 37 | 02128 | Boston | 84 | B | 3 | $680K |
| 38 | 02210 | Boston | 84 | B | 3 | $1212K |
| 39 | 02215 | Boston | 84 | B | 3 | $684K |
| 40 | 02109 | Boston | 79 | B | 3 | $1007K |
| 41 | 02119 | Roxbury | 73 | B | 0 | $669K |
| 42 | 02120 | Roxbury Crossing | 73 | B | 0 | $941K |
| 43 | 02121 | Dorchester | 73 | B | 0 | $548K |
| 44 | 02151 | Revere | 67 | C | 0 | $566K |
| 45 | 02152 | Winthrop | 67 | C | 1 | $607K |
| 46 | 02447 | Brookline Village | 66 | C | 0 | — |
| 47 | 02122 | Dorchester | 65 | C | 0 | $656K |
| 48 | 02125 | Dorchester | 65 | C | 0 | $645K |
| 49 | 02129 | Charlestown | 65 | C | 0 | $926K |
| 50 | 02130 | Jamaica Plain | 65 | C | 0 | $764K |
Recommended Buyer Guides for Suffolk County
Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.
- 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 Suffolk County, Massachusetts
Overview
Suffolk County in Massachusetts covers 50 ZIP codes with an average Home Safety Score of A (85/100).
39 of 50 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Massachusetts water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.