Seminole County, Florida
27 ZIP codes · Avg score 89/100 · Grade A
ZipCheckup grade for Seminole County: A.
Checked records flag no major concern; missing data is unknown.
27 ZIP codes, one county grade: Seminole County scores in ZipCheckup's upper tier.
How Seminole County Compares
How Seminole County Compares
Seminole County scores 9 points above the Florida state average (80/100) and 16 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
ZIP Code Risk Map
Water Quality Map: Seminole County, Florida
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.3 (asthma 9.1%, diabetes 11%)
Modeled additional annual cost estimate per homeowner: $4,523, largest modeled factor: Sea Level
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: $4,523
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 Seminole County
Modeled remediation costs in Seminole 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 Seminole County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Seminole County ZIP codes
8 community water systems mapped to Seminole County ZIP codes; EPA may list more systems serving the county.
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Show all 8 water systems
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28 water systems mapped to Seminole County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Seminole County
5 water systems with violations in EPA records.
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All ZIP Codes in Seminole County
27 ZIP codes tracked in Seminole County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 32766 | Oviedo | 100 | A | 3 | $530K |
| 2 | 32779 | Longwood | 97 | A | 11 (3 health) | $459K |
| 3 | 32707 | Casselberry | 96 | A | 12 | $305K |
| 4 | 32714 | Altamonte Springs | 96 | A | 10 | $292K |
| 5 | 32730 | Casselberry | 96 | A | 9 | $285K |
| 6 | 32792 | Winter Park | 95 | A | 14 (2 health) | $344K |
| 7 | 32701 | Altamonte Springs | 93 | A | 14 (1 health) | $258K |
| 8 | 32750 | Longwood | 92 | A | 32 (1 health) | $351K |
| 9 | 32765 | Oviedo | 83 | B | 33 (16 health) | $419K |
| 10 | 32708 | Winter Springs | 79 | B | 13 | $353K |
| 11 | 32773 | Sanford | 78 | B | 19 | $260K |
| 12 | 32771 | Sanford | 77 | B | 19 (3 health) | $333K |
| 13 | 32746 | Lake Mary | 76 | B | 28 (3 health) | $420K |
| 14 | 32715 | Altamonte Springs | — | — | — | |
| 15 | 32716 | Altamonte Springs | — | — | — | |
| 16 | 32718 | Casselberry | — | — | — | |
| 17 | 32719 | Winter Springs | — | — | — | |
| 18 | 32732 | Geneva | — | — | 26 (14 health) | $467K |
| 19 | 32733 | Goldenrod | — | — | — | |
| 20 | 32745 | Mid Florida | — | — | — | |
| 21 | 32747 | Lake Monroe | — | — | — | |
| 22 | 32752 | Longwood | — | — | — | |
| 23 | 32762 | Oviedo | — | — | — | |
| 24 | 32772 | Sanford | — | — | — | |
| 25 | 32791 | Longwood | — | — | — | |
| 26 | 32795 | Lake Mary | — | — | — | |
| 27 | 32799 | Mid Florida | — | — | — |
Recommended Buyer Guides for Seminole 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.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Seminole County, Florida
Overview
Seminole County in Florida covers 27 tracked ZIP records with an average Home Safety Score of A (89/100) across 13 scored records.
14 of 14 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 22 health-based violations appear in the available health breakdown.
← Back to Florida 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.