COUNTY REPORT ME

Sagadahoc County, Maine

10 ZIP codes · Avg score 83/100 · Grade B

ZipCheckup grade for Sagadahoc County: B.

This ZIP has a few items worth a quick check.

10 ZIP codes, one county grade: Sagadahoc County scores in ZipCheckup's upper tier.

How Sagadahoc County Compares

Sagadahoc County83/100
Maine avg65/100
National avg73/100

How Sagadahoc County Compares

B
County Grade
83/100
Avg Safety Score
10
ZIP Codes
5
Water Systems

Sagadahoc County scores 18 points above the Maine state average (65/100) and 10 points above the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData

B
County Grade
83
Avg Safety Score
10
ZIP Codes
Best ZIP: 04086 (83/100)
Lowest ZIP: 04530 (83/100)
$307K
Median Home Value

ZIP Code Risk Map

Water Quality Map: Sagadahoc County, Maine

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 13.1 (asthma 12.3%, diabetes 10.8%)

Modeled additional annual cost estimate per homeowner: $787, largest modeled factor: Flood

53% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 12.3% (national: 8.9%)
Diabetes 10.8% (national: 10.5%)
Obesity 29.6% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1983
Median Build Year
53%
Pre-1980 Housing
43/100
Infrastructure Stress Indicator
67%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

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: $787

Flood $480/yr
Energy Code Gap $280/yr
Water / Lead $110/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

19,843 housing units in Sagadahoc County

Pre-1940 26%
1940–1959 10%
1960–1979 17%
1980–1999 28%
2000+ 19%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Health Outcomes vs National Average

CDC PLACES data for Sagadahoc County residents

Asthma 12.3% (US avg: 8.9%)
Diabetes 10.8% (US avg: 11%)
Obesity 29.6% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems mapped to Sagadahoc County ZIP codes

5 community water systems mapped to Sagadahoc County ZIP codes; EPA may list more systems serving the county.

Systems with the most violations in Sagadahoc County

1 water system with violations in EPA records.

All ZIP Codes in Sagadahoc County

10 ZIP codes tracked in Sagadahoc County.

# ZIP Code City Safety Score Grade Violations Home Value
1 04086 Topsham 83 B 0 $328K
2 04530 Bath 83 B 0 $307K
3 04008 Bowdoinham — — 0 $335K
4 04287 Bowdoin — — 0 $257K
5 04342 Dresden — — $237K
6 04357 Richmond — — 1 $247K
7 04548 Georgetown — — $417K
8 04562 Phippsburg — — $335K
9 04565 Sebasco Estates — — —
10 04579 Woolwich — — $250K

Recommended Buyer Guides for Sagadahoc 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.

Overview

Sagadahoc County in Maine covers 10 tracked ZIP records with an average Home Safety Score of B (83/100) across 2 scored records.

1 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.

← Back to Maine Home Safety Profile

Data Sources

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

Frequently Asked Questions

Is water safe in Sagadahoc County?
Sagadahoc County receives an average Home Safety grade of B from its scored ZIP records (10 ZIP codes tracked); this is a composite index, not a tap-water test.
How many water systems serve Sagadahoc County?
We map 5 public water systems to 10 ZIP codes in our data for Sagadahoc County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Sagadahoc County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Sagadahoc County is flood. Across all modeled risk factors, the estimated average additional annual cost is $787 per homeowner; actual costs vary by home.
How old are homes in Sagadahoc County?
The median home build year in Sagadahoc County is 1983. 53% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.
How does Sagadahoc County compare to Maine?
Sagadahoc County has an average Home Safety Score of 83/100 under model 4.0.0, which is at or above the Maine state average of 65/100.

How to cite this page

APA ZipCheckup. (2026). Sagadahoc County, ME: HSS 83/100; 1 Violation. https://zipcheckup.com/county/maine/sagadahoc/
BibTeX
@misc{zipcheckup-county-maine-sagadahoc,
  author = {{ZipCheckup}},
  title  = {{Sagadahoc County, ME: HSS 83/100; 1 Violation}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/maine/sagadahoc/}
}

Page version: October 2026.

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