COUNTY REPORT FL

Hillsborough County, Florida

86 ZIP codes · Avg score 69/100 · Grade C · Updated

ZipCheckup grade for Hillsborough County: C.

A mixed picture - some signals here are worth your attention.

Recent monitoring in Hillsborough County's 86 ZIP codes shows middle-tier safety - some systems are clean; others have logged EPA violations.

How Hillsborough County Compares

Hillsborough County69/100
Florida avg80/100
National avg73/100

How Hillsborough County Compares

C
County Grade
69/100
Avg Safety Score
86
ZIP Codes
51
Water Systems

Hillsborough County scores 11 points below the Florida state average (80/100) and 4 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 Last verified:

C
County Grade
69
Avg Safety Score
86
ZIP Codes
Best ZIP: 33618 (83/100)
Lowest ZIP: 33570 (58/100)
$325K
Median Home Value
$2,126
Avg Remediation (65% of home value)

ZIP Code Risk Map

Water Quality Map: Hillsborough County, Florida

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: 12 (asthma 9.4%, diabetes 12.5%)

Estimated additional annual cost per homeowner: $4,623, driven primarily by sea_level

Violation History (2021–2025)

↑ Worsening trend

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

2021
1 (1 health)
2023
1 (1 health)
2024
2 (2 health)
2025
3 (3 health)

Peak year: 2025 with 3 violations. Past 5 years: 7 total (7 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.

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

County Health Indicators vs National Average

Asthma 9.4% (national: 8.9%)
Diabetes 12.5% (national: 10.5%)
Obesity 31.6% (national: 32.4%)

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

Infrastructure Overview

22/100
Infrastructure Stress Indicator
1%
ZIPs with High Infrastructure Stress

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: $4,623

Sea Level Rise $3,000/yr
Flood $1,758/yr
Energy Code Gap $293/yr

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 Hillsborough County

$325K
Median Home Value
$2,126
Est. Remediation Cost
0.7%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.4% (US avg: 8.9%)
Diabetes 12.5% (US avg: 11%)
Obesity 31.6% (US avg: 32.4%)

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

Water systems serving Hillsborough County

8 community water systems serving Hillsborough County.

Show all 8 water systems

51 total water systems serve Hillsborough County.

Systems with the most violations in Hillsborough County

5 water systems with recorded EPA violations.

All ZIP Codes in Hillsborough County

86 ZIP codes tracked in Hillsborough County.

# ZIP Code City Safety Score Grade Violations Home Value
1 33618 Tampa 83 B 0 $379K
2 33624 Tampa 83 B 0 $353K
3 33625 Tampa 83 B 0 $342K
4 33626 Tampa 83 B 1 $507K
5 33565 Plant City 82 B 3 $238K
6 33548 Lutz 80 B 8 $523K
7 33556 Odessa 79 B 16 (1 health) $590K
8 33563 Plant City 78 B 13 $198K
9 33566 Plant City 78 B 13 $291K
10 33534 Gibsonton 67 C 0 $274K
11 33569 Riverview 67 C 0 $331K
12 33579 Riverview 67 C 0 $375K
13 33596 Valrico 67 C 0 $396K
14 33598 Wimauma 67 C 0 $353K
15 33602 Tampa 67 C 0 $560K
16 33603 Tampa 67 C 0 $344K
17 33604 Tampa 67 C 0 $265K
18 33605 Tampa 67 C 0 $235K
19 33607 Tampa 67 C 0 $316K
20 33609 Tampa 67 C 0 $526K
21 33611 Tampa 67 C 0 $449K
22 33616 Tampa 67 C 0 $370K
23 33619 Tampa 67 C 1 $220K
24 33621 Tampa 67 C 0
25 33629 Tampa 67 C 0 $764K
26 33511 Brandon 66 C 1 $325K
27 33527 Dover 66 C 3 $347K
28 33612 Tampa 66 C 1 $250K
29 33613 Tampa 66 C 7 $220K
30 33620 Tampa 66 C 1
31 33637 Tampa 66 C 2 $214K
32 33610 Tampa 65 C 5 $211K
33 33617 Tampa 65 C 5 $267K
34 33572 Apollo Beach 64 C 8 $431K
35 33594 Valrico 64 C 6 $300K
36 33647 Tampa 64 C 6 $438K
37 33584 Seffner 63 C 12 $281K
38 33547 Lithia 62 C 13 (2 health) $477K
39 33592 Thonotosassa 61 C 19 (2 health) $248K
40 33570 Ruskin 58 C 29 $255K
41 33503 Balm 0 $463K
42 33530 Durant
43 33564 Plant City
44 33571 Sun City Center
45 33573 Sun City Center 0 $271K
46 33575 Ruskin
47 33583 Seffner
48 33586 Sun City
49 33587 Sydney
50 33601 Tampa
51 33606 Tampa 0 $796K
52 33608 Tampa
53 33614 Tampa 0 $296K
54 33615 Tampa 0 $292K
55 33622 Tampa
56 33623 Tampa
57 33630 Tampa
58 33631 Tampa
59 33633 Tampa
60 33634 Tampa 0 $311K
61 33635 Tampa 6 (1 health) $310K
62 33646 Tampa
63 33650 Tampa
64 33655 Tampa
65 33660 Tampa
66 33661 Tampa
67 33662 Tampa
68 33663 Tampa
69 33664 Tampa
70 33672 Tampa
71 33673 Tampa
72 33674 Tampa
73 33675 Tampa
74 33677 Tampa
75 33679 Tampa
76 33680 Tampa
77 33681 Tampa
78 33682 Tampa
79 33684 Tampa
80 33685 Tampa
81 33686 Tampa
82 33687 Tampa
83 33688 Tampa
84 33689 Tampa
85 33690 Tampa
86 33694 Tampa

Recommended Buyer Guides for Hillsborough County

Designed to find the guide that fits the county, not the other way around - the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.

Overview

Hillsborough County in Florida covers 86 tracked ZIP records with an average Home Safety Score of C (69/100) across 40 scored records.

23 of 47 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 6 health-based violations appear in the available health breakdown.

← Back to Florida 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 Hillsborough County?
Hillsborough County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Hillsborough County?
Hillsborough County is served by 51 public water systems that supply drinking water to residents across 86 ZIP codes.
What is the biggest environmental risk in Hillsborough County?
The primary environmental risk factor in Hillsborough County is sea_level. This contributes to an estimated additional annual cost of $4,623 per homeowner.
How does Hillsborough County compare to Florida?
Hillsborough County has an average Home Safety Score of 69/100 under model 4.0.0, which is below the Florida state average of 80/100.

How to cite this page

APA ZipCheckup. (2026). Hillsborough County, FL: HSS 69/100; 6 Health Violations. https://zipcheckup.com/county/florida/hillsborough/
BibTeX
@misc{zipcheckup-county-florida-hillsborough,
  author = {{ZipCheckup}},
  title  = {{Hillsborough County, FL: HSS 69/100; 6 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/florida/hillsborough/}
}

Page version: August 2026.

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