COUNTY REPORT MI

Shiawassee County, Michigan

9 ZIP codes · Home Safety Score unavailable · 0 of 9 tracked ZIP records scored · Updated

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

Unavailable
0 of 9 tracked ZIP records scored
9
ZIP Codes
$170K
Median Home Value
$1,033
Avg Remediation (61% of home value)

ZIP Code Risk Map

Water Quality Map: Shiawassee County, Michigan

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: 14.5 (asthma 11.6%, diabetes 12.5%)

Estimated additional annual cost per homeowner: $1,146, driven primarily by flood

72.3% of homes built before 1978 (lead paint era)

Violation History (2022–2025)

→ Stable trend

EPA violation counts by year across Shiawassee County water systems. Health-based shown in red, total in blue.

2022
2 (2 health)
2024
6 (6 health)
2025
1 (1 health)

Peak year: 2024 with 6 violations. Past 5 years: 9 total (9 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 11.6% (national: 8.9%)
Diabetes 12.5% (national: 10.5%)
Obesity 38.8% (national: 32.4%)

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

Infrastructure Overview

1973
Median Build Year
72.3%
Pre-1978 Housing
49/100
Infrastructure Stress Indicator
88%
ZIPs with High Infrastructure Stress
High
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,146

Flood $733/yr
Energy Code Gap $405/yr
Water / Lead $306/yr

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

Housing Age Distribution

22,593 housing units in Shiawassee County

Pre-1940 22%
1940–1959 20%
1960–1979 26%
1980–1999 19%
2000+ 13%

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 Shiawassee County

$170K
Median Home Value
$1,033
Est. Remediation Cost
0.6%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Shiawassee 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 Shiawassee County residents

Asthma 11.6% (US avg: 8.9%)
Diabetes 12.5% (US avg: 11%)
Obesity 38.8% (US avg: 32.4%)

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

Water systems serving Shiawassee County

6 community water systems serving Shiawassee County.

Systems with the most violations in Shiawassee County

3 water systems with recorded EPA violations.

All ZIP Codes in Shiawassee County

9 ZIP codes tracked in Shiawassee County.

# ZIP Code City Safety Score Grade Violations Home Value
1 48414 Bancroft $183K
2 48418 Byron 33 (2 health) $247K
3 48476 Vernon $122K
4 48817 Corunna 4 (1 health) $164K
5 48841 Henderson $176K
6 48857 Morrice 0 $130K
7 48867 Owosso 4 (1 health) $146K
8 48872 Perry 7 $218K
9 48882 Shaftsburg

Recommended Buyer Guides for Shiawassee County

Strictly editorial - no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.

Overview

Shiawassee County in Michigan covers 9 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

4 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 3 health-based violations appear in the available health breakdown.

← Back to Michigan Home Safety Profile

Data Sources

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

Frequently Asked Questions

How many water systems serve Shiawassee County?
Shiawassee County is served by 6 public water systems that supply drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Shiawassee County?
The primary environmental risk factor in Shiawassee County is flood. This contributes to an estimated additional annual cost of $1,146 per homeowner.
How old are homes in Shiawassee County?
The median home build year in Shiawassee County is 1973. 72.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Shiawassee County, Michigan Home Safety Profile. https://zipcheckup.com/county/michigan/shiawassee/
BibTeX
@misc{zipcheckup-county-michigan-shiawassee,
  author = {{ZipCheckup}},
  title  = {{Shiawassee County, Michigan Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/michigan/shiawassee/}
}

Page version: August 2026.

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