Kitsap County, Washington
26 ZIP codes · Avg score 96/100 · Grade A
ZipCheckup grade for Kitsap County: A.
Checked records flag no major concern; missing data is unknown.
Kitsap County: upper grades, 26 ZIPs.
How Kitsap County Compares
How Kitsap County Compares
Kitsap County scores 10 points above the Washington state average (86/100) and 23 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: Kitsap County, Washington
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.8 (asthma 11.2%, diabetes 9.8%)
Modeled additional annual cost estimate per homeowner: $1,427, largest modeled factor: Flood
41% of homes built before 1980 (lead paint was banned for residential use in 1978)
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: $1,427
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
113,817 housing units in Kitsap County
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 Kitsap County
Modeled remediation costs in Kitsap 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 Kitsap County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Kitsap County ZIP codes
8 community water systems mapped to Kitsap County ZIP codes; EPA may list more systems serving the county.
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- A
- B
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Show all 8 water systems
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- B
43 water systems mapped to Kitsap County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Kitsap County
5 water systems with violations in EPA records.
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All ZIP Codes in Kitsap County
26 ZIP codes tracked in Kitsap County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 98310 | Bremerton | 100 | A | 1 | $422K |
| 2 | 98314 | Bremerton | 100 | A | 0 | — |
| 3 | 98337 | Bremerton | 100 | A | 1 | $387K |
| 4 | 98340 | Hansville | 100 | A | 1 | $461K |
| 5 | 98353 | Manchester | 100 | A | 1 | — |
| 6 | 98380 | Seabeck | 99 | A | 4 | $567K |
| 7 | 98311 | Bremerton | 98 | A | 3 | $448K |
| 8 | 98110 | Bainbridge Island | 97 | A | 8 (1 health) | $1076K |
| 9 | 98312 | Bremerton | 97 | A | 9 (1 health) | $431K |
| 10 | 98346 | Kingston | 97 | A | 5 | $561K |
| 11 | 98383 | Silverdale | 97 | A | 6 | $565K |
| 12 | 98392 | Suquamish | 96 | A | 5 | $433K |
| 13 | 98370 | Poulsbo | 93 | A | 13 | $587K |
| 14 | 98366 | Port Orchard | 82 | B | 3 | $450K |
| 15 | 98367 | Port Orchard | 81 | B | 8 | $508K |
| 16 | 98061 | Rollingbay | — | — | — | |
| 17 | 98315 | Silverdale | — | — | 0 | — |
| 18 | 98322 | Burley | — | — | — | |
| 19 | 98342 | Indianola | — | — | 3 | $644K |
| 20 | 98345 | Keyport | — | — | 2 | $621K |
| 21 | 98359 | Olalla | — | — | 0 | $584K |
| 22 | 98364 | Port Gamble | — | — | — | |
| 23 | 98378 | Retsil | — | — | — | |
| 24 | 98384 | South Colby | — | — | — | |
| 25 | 98386 | Southworth | — | — | — | |
| 26 | 98393 | Tracyton | — | — | — |
Recommended Buyer Guides for Kitsap County
When no specific signal shows up in the records, the list falls back to general water testing and filtration guides rather than staying empty.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Kitsap County, Washington
Overview
Kitsap County in Washington covers 26 tracked ZIP records with an average Home Safety Score of A (96/100) across 15 scored records.
16 of 19 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 2 health-based violations appear in the available health breakdown.
← Back to Washington 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.