Penobscot County, Maine
44 ZIP codes · Avg score 66/100 · Grade C
ZipCheckup grade for Penobscot County: C.
A mixed picture - some signals here are worth your attention.
If your home is in Penobscot County, the C grade is a cue to open your ZIP code's report, one of 44 here, and see which factors weigh on the score.
How Penobscot County Compares
How Penobscot County Compares
Penobscot County scores 1 points above the Maine state average (65/100) and 7 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
ZIP Code Risk Map
Water Quality Map: Penobscot County, Maine
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.2 (asthma 13.3%, diabetes 11.5%)
Modeled additional annual cost estimate per homeowner: $1,034, largest modeled factor: Flood
54% of homes built before 1980 (lead paint was banned for residential use in 1978)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,034
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
67,172 housing units in Penobscot County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Penobscot County
Modeled remediation costs in Penobscot County can be compared with the median property value; actual costs vary by property.
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 Penobscot County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Penobscot County ZIP codes
8 community water systems mapped to Penobscot County ZIP codes; EPA may list more systems serving the county.
- C
- C
- C
- C
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- C
Show all 8 water systems
12 water systems mapped to Penobscot County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Penobscot County
5 water systems with violations in EPA records.
- C
- C
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- C
All ZIP Codes in Penobscot County
44 ZIP codes tracked in Penobscot County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 04411 | Bradley | 67 | C | 0 | $191K |
| 2 | 04461 | Milford | 67 | C | 0 | $183K |
| 3 | 04462 | Millinocket | 67 | C | 0 | $90K |
| 4 | 04468 | Old Town | 67 | C | 0 | $182K |
| 5 | 04444 | Hampden | 66 | C | 1 | $271K |
| 6 | 04473 | Orono | 66 | C | 1 | $218K |
| 7 | 04428 | Eddington | 65 | C | 7 (2 health) | $214K |
| 8 | 04401 | Bangor | 63 | C | 5 (2 health) | $230K |
| 9 | 04402 | Bangor | — | — | — | |
| 10 | 04410 | Bradford | — | — | $179K | |
| 11 | 04417 | Burlington | — | — | $93K | |
| 12 | 04418 | Greenbush | — | — | $120K | |
| 13 | 04419 | Carmel | — | — | $235K | |
| 14 | 04422 | Charleston | — | — | $223K | |
| 15 | 04427 | Corinth | — | — | $124K | |
| 16 | 04430 | East Millinocket | — | — | 0 | $74K |
| 17 | 04434 | Etna | — | — | $145K | |
| 18 | 04435 | Exeter | — | — | $155K | |
| 19 | 04448 | Howland | — | — | 4 | $116K |
| 20 | 04449 | Hudson | — | — | $146K | |
| 21 | 04450 | Kenduskeag | — | — | 2 (2 health) | $155K |
| 22 | 04451 | Kingman | — | — | $62K | |
| 23 | 04453 | Lagrange | — | — | 4 | $129K |
| 24 | 04455 | Lee | — | — | $152K | |
| 25 | 04456 | Levant | — | — | $245K | |
| 26 | 04457 | Lincoln | — | — | 0 | $126K |
| 27 | 04459 | Mattawamkeag | — | — | $84K | |
| 28 | 04460 | Medway | — | — | $85K | |
| 29 | 04469 | Orono | — | — | 1 | — |
| 30 | 04474 | Orrington | — | — | $239K | |
| 31 | 04475 | Passadumkeag | — | — | $93K | |
| 32 | 04487 | Springfield | — | — | $87K | |
| 33 | 04488 | Stetson | — | — | $186K | |
| 34 | 04489 | Stillwater | — | — | $229K | |
| 35 | 04493 | West Enfield | — | — | $161K | |
| 36 | 04495 | Winn | — | — | $96K | |
| 37 | 04765 | Patten | — | — | $120K | |
| 38 | 04777 | Stacyville | — | — | $90K | |
| 39 | 04928 | Corinna | — | — | $165K | |
| 40 | 04932 | Dixmont | — | — | $178K | |
| 41 | 04933 | East Newport | — | — | — | |
| 42 | 04939 | Garland | — | — | $146K | |
| 43 | 04953 | Newport | — | — | 0 | $213K |
| 44 | 04969 | Plymouth | — | — | $188K |
Recommended Buyer Guides for Penobscot County
Read the note next to each link: it gives the reason, such as a radon zone designation or housing age, that led to the recommendation.
- Best Lead Paint Test Kits — 54% of homes built before 1980
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- 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 Penobscot County, Maine
Overview
Penobscot County in Maine covers 44 tracked ZIP records with an average Home Safety Score of C (66/100) across 8 scored records.
8 of 15 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 4 health-based violations appear in the available health breakdown.
← Back to Maine Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.