Kitsap County, Washington
26 ZIP codes · Avg score 96/100 · Grade A · Updated
ZipCheckup grade for Kitsap County: A.
No federal data flags a major home-safety concern for this ZIP.
In current tracking cycles, Kitsap County - spanning 26 ZIP codes - records above-average water quality outcomes; the county's compliance history over recent years shows few departures from federal standards.
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 Last verified:
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%)
Estimated additional annual cost per homeowner: $1,577, driven primarily by flood
57.6% of homes built before 1978 (lead paint era)
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 DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,577
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
Remediation costs are relatively manageable for most homeowners in Kitsap 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 Kitsap County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Kitsap County
8 community water systems serving Kitsap County.
- B
- A
- B
- A
- A
Show all 8 water systems
- A
- B
43 total water systems serve Kitsap County.
Systems with the most violations in Kitsap County
5 water systems with recorded EPA violations.
- A
- A
- B
- B
- A
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 | 98370 | Poulsbo | 93 | A | 13 | $587K |
| 13 | 98366 | Port Orchard | 82 | B | 3 | $450K |
| 14 | 98367 | Port Orchard | 81 | B | 8 | $508K |
| 15 | 98061 | Rollingbay | — | — | — | |
| 16 | 98315 | Silverdale | — | — | 0 | — |
| 17 | 98322 | Burley | — | — | — | |
| 18 | 98342 | Indianola | — | — | 3 | $644K |
| 19 | 98345 | Keyport | — | — | 2 | $621K |
| 20 | 98359 | Olalla | — | — | 0 | $584K |
| 21 | 98364 | Port Gamble | — | — | — | |
| 22 | 98378 | Retsil | — | — | — | |
| 23 | 98384 | South Colby | — | — | — | |
| 24 | 98386 | Southworth | — | — | — | |
| 25 | 98392 | Suquamish | — | — | 5 | $433K |
| 26 | 98393 | Tracyton | — | — | — |
Recommended Buyer Guides for Kitsap County
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations - federal data drives the order, not retailer arrangements.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 57.6% of homes built before 1978
- 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 14 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.