Honolulu County, Hawaii
70 ZIP codes · Avg score 100/100 · Grade A · Updated
ZipCheckup grade for Honolulu County: A.
No federal data flags a major home-safety concern for this ZIP.
Recent water monitoring in Honolulu County shows 70 ZIP codes with consistently safe results.
How Honolulu County Compares
How Honolulu County Compares
Honolulu County scores 0 points above the Hawaii state average (100/100) and 27 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: Honolulu County, Hawaii
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 10.6 (asthma 9.5%, diabetes 12.4%)
Estimated additional annual cost per homeowner: $1,366, driven primarily by flood
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: $1,366
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 Honolulu County
Remediation costs are relatively manageable for most homeowners in Honolulu 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 Honolulu County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Honolulu County
8 community water systems serving Honolulu County.
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Show all 8 water systems
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24 total water systems serve Honolulu County.
Systems with the most violations in Honolulu County
1 water system with recorded EPA violations.
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All ZIP Codes in Honolulu County
70 ZIP codes tracked in Honolulu County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 96701 | Aiea | 100 | A | 0 | $913K |
| 2 | 96706 | Ewa Beach | 100 | A | 0 | $797K |
| 3 | 96707 | Kapolei | 100 | A | 0 | $772K |
| 4 | 96712 | Haleiwa | 100 | A | 0 | $1264K |
| 5 | 96717 | Hauula | 100 | A | 0 | $874K |
| 6 | 96727 | Honokaa | 100 | A | 0 | $560K |
| 7 | 96734 | Kailua | 100 | A | 0 | $1246K |
| 8 | 96744 | Kaneohe | 100 | A | 0 | $1001K |
| 9 | 96762 | Laie | 100 | A | 0 | $962K |
| 10 | 96768 | Makawao | 100 | A | 0 | $905K |
| 11 | 96786 | Wahiawa | 100 | A | 0 | $724K |
| 12 | 96789 | Mililani | 100 | A | 0 | $871K |
| 13 | 96791 | Waialua | 100 | A | 0 | $932K |
| 14 | 96792 | Waianae | 100 | A | 0 | $551K |
| 15 | 96795 | Waimanalo | 100 | A | 0 | $747K |
| 16 | 96797 | Waipahu | 100 | A | 0 | $799K |
| 17 | 96813 | Honolulu | 100 | A | 0 | $804K |
| 18 | 96814 | Honolulu | 100 | A | 0 | $707K |
| 19 | 96815 | Honolulu | 100 | A | 0 | $628K |
| 20 | 96816 | Honolulu | 100 | A | 0 | $1121K |
| 21 | 96817 | Honolulu | 100 | A | 0 | $930K |
| 22 | 96818 | Honolulu | 100 | A | 0 | $653K |
| 23 | 96819 | Honolulu | 100 | A | 0 | $964K |
| 24 | 96821 | Honolulu | 100 | A | 0 | $1458K |
| 25 | 96822 | Honolulu | 100 | A | 0 | $985K |
| 26 | 96825 | Honolulu | 100 | A | 0 | $1068K |
| 27 | 96826 | Honolulu | 100 | A | 0 | $485K |
| 28 | 96857 | Schofield Barracks | 100 | A | 0 | — |
| 29 | 96863 | M C B H Kaneohe Bay | 100 | A | 0 | — |
| 30 | 96782 | Pearl City | 99 | A | 1 | $846K |
| 31 | 96709 | Kapolei | — | — | — | |
| 32 | 96730 | Kaaawa | — | — | $982K | |
| 33 | 96731 | Kahuku | — | — | 0 | $813K |
| 34 | 96759 | Kunia | — | — | — | |
| 35 | 96801 | Honolulu | — | — | — | |
| 36 | 96802 | Honolulu | — | — | — | |
| 37 | 96803 | Honolulu | — | — | — | |
| 38 | 96804 | Honolulu | — | — | — | |
| 39 | 96805 | Honolulu | — | — | — | |
| 40 | 96806 | Honolulu | — | — | — | |
| 41 | 96807 | Honolulu | — | — | — | |
| 42 | 96808 | Honolulu | — | — | — | |
| 43 | 96809 | Honolulu | — | — | — | |
| 44 | 96810 | Honolulu | — | — | — | |
| 45 | 96811 | Honolulu | — | — | — | |
| 46 | 96812 | Honolulu | — | — | — | |
| 47 | 96820 | Honolulu | — | — | — | |
| 48 | 96823 | Honolulu | — | — | — | |
| 49 | 96824 | Honolulu | — | — | — | |
| 50 | 96828 | Honolulu | — | — | — | |
| 51 | 96830 | Honolulu | — | — | — | |
| 52 | 96836 | Honolulu | — | — | — | |
| 53 | 96837 | Honolulu | — | — | — | |
| 54 | 96838 | Honolulu | — | — | — | |
| 55 | 96839 | Honolulu | — | — | — | |
| 56 | 96840 | Honolulu | — | — | — | |
| 57 | 96841 | Honolulu | — | — | — | |
| 58 | 96843 | Honolulu | — | — | — | |
| 59 | 96844 | Honolulu | — | — | — | |
| 60 | 96846 | Honolulu | — | — | — | |
| 61 | 96847 | Honolulu | — | — | — | |
| 62 | 96848 | Honolulu | — | — | 0 | — |
| 63 | 96849 | Honolulu | — | — | — | |
| 64 | 96850 | Honolulu | — | — | — | |
| 65 | 96853 | J B P H H | — | — | — | |
| 66 | 96854 | Wheeler Army Airfield | — | — | — | |
| 67 | 96858 | Fort Shafter | — | — | — | |
| 68 | 96859 | Tripler Army Medical Center | — | — | 0 | — |
| 69 | 96860 | J B P H H | — | — | 0 | — |
| 70 | 96861 | Camp H M Smith | — | — | — |
Recommended Buyer Guides for Honolulu County
Retailer arrangements don't shape what appears here - the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- 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 Honolulu County, Hawaii
Overview
Honolulu County in Hawaii covers 70 tracked ZIP records with an average Home Safety Score of A (100/100) across 30 scored records.
1 of 34 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 Hawaii 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.