COUNTY REPORT NY

Oswego County, New York

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

ZipCheckup grade for Oswego County: B.

This ZIP has a few items worth a quick check.

An upper-band grade for Oswego County is an average, and averages can hide variation, so the 26 ZIP-level reports are worth checking one by one.

How Oswego County Compares

Oswego County83/100
New York avg84/100
National avg73/100

How Oswego County Compares

B
County Grade
83/100
Avg Safety Score
26
ZIP Codes
11
Water Systems

Oswego County scores 1 points below the New York state average (84/100) 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
26
ZIP Codes
Best ZIP: 13028 (83/100)
Lowest ZIP: 13131 (82/100)
$142K
Median Home Value
$500
Avg Remediation (0.35% of home value)

ZIP Code Risk Map

Water Quality Map: Oswego County, New York

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: 13.6 (asthma 11.3%, diabetes 11.2%)

Modeled additional annual cost estimate per homeowner: $1,283, largest modeled factor: Flood

60% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 11.3% (national: 8.9%)
Diabetes 11.2% (national: 10.5%)
Obesity 36.4% (national: 32.4%)

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

Infrastructure Overview

1971
Median Build Year
60%
Pre-1980 Housing
51/100
Infrastructure Stress Indicator
96%
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: $1,283

Flood $627/yr
Energy Code Gap $463/yr
Sea Level Rise $400/yr

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

Housing Age Distribution

39,816 housing units in Oswego County

Pre-1940 25%
1940–1959 13%
1960–1979 22%
1980–1999 29%
2000+ 12%

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 Oswego County

$142K
Median Home Value
$500
Est. Remediation Cost
0.4%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Oswego 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 Oswego County residents

Asthma 11.3% (US avg: 8.9%)
Diabetes 11.2% (US avg: 11%)
Obesity 36.4% (US avg: 32.4%)

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

Water systems mapped to Oswego County ZIP codes

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

Show all 8 water systems

11 water systems mapped to Oswego County ZIP codes in our data; EPA may list more systems serving the county.

Systems with the most violations in Oswego County

5 water systems with violations in EPA records.

All ZIP Codes in Oswego County

26 ZIP codes tracked in Oswego County.

# ZIP Code City Safety Score Grade Violations Home Value
1 13028 Bernhards Bay 83 B 3 $149K
2 13036 Central Square 83 B 0 $174K
3 13044 Constantia 83 B 3 $145K
4 13069 Fulton 83 B 0 $113K
5 13074 Hannibal 83 B 0 $137K
6 13076 Hastings 83 B 0 $175K
7 13115 Minetto 83 B 0 $138K
8 13132 Pennellville 83 B 0 $190K
9 13135 Phoenix 83 B 0 $167K
10 13142 Pulaski 83 B 8 $158K
11 13144 Richland 83 B 0 $101K
12 13167 West Monroe 83 B 0 $164K
13 13114 Mexico 82 B 1 $153K
14 13131 Parish 82 B 1 $134K
15 13064 Fair Haven — — —
16 13083 Lacona — — 1 $135K
17 13093 Lycoming — — —
18 13103 Mallory — — —
19 13107 Maple View — — —
20 13121 New Haven — — —
21 13145 Sandy Creek — — 7 $139K
22 13302 Altmar — — $124K
23 13426 Orwell — — —
24 13437 Redfield — — $90K
25 13493 Williamstown — — $110K
26 13661 Mannsville — — $173K

Recommended Buyer Guides for Oswego County

Nothing on this list means a problem exists in your own home: the matches are drawn from county- and ZIP-level records, so a guide shows up because of an area signal, and only testing at your tap describes a specific household.

Overview

Oswego County in New York covers 26 tracked ZIP records with an average Home Safety Score of B (83/100) across 14 scored records.

7 of 16 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 New York 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 Oswego County?
Oswego County receives an average Home Safety grade of B from its scored ZIP records (26 ZIP codes tracked); this is a composite index, not a tap-water test.
How many water systems serve Oswego County?
We map 11 public water systems to 26 ZIP codes in our data for Oswego County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Oswego County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Oswego County is flood. Across all modeled risk factors, the estimated average additional annual cost is $1,283 per homeowner; actual costs vary by home.
How old are homes in Oswego County?
The median home build year in Oswego County is 1971. 60% 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 Oswego County compare to New York?
Oswego County has an average Home Safety Score of 83/100 under model 4.0.0, which is below the New York state average of 84/100.

How to cite this page

APA ZipCheckup. (2026). Oswego County, NY: HSS 83/100; 13 Violations. https://zipcheckup.com/county/new-york/oswego/
BibTeX
@misc{zipcheckup-county-new-york-oswego,
  author = {{ZipCheckup}},
  title  = {{Oswego County, NY: HSS 83/100; 13 Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/new-york/oswego/}
}

Page version: October 2026.

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