Santa Clara County, California
108 ZIP codes · Home Safety Score unavailable · 0 of 108 tracked ZIP records scored
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: Santa Clara County, California
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 9 (asthma 7.9%, diabetes 10.5%)
Modeled additional annual cost estimate per homeowner: $3,864, 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: $3,864
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 Santa Clara County
Modeled remediation costs in Santa Clara 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 Santa Clara County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Santa Clara County ZIP codes
8 community water systems mapped to Santa Clara County ZIP codes; EPA may list more systems serving the county.
Show all 8 water systems
32 water systems mapped to Santa Clara County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Santa Clara County
5 water systems with violations in EPA records.
All ZIP Codes in Santa Clara County
108 ZIP codes tracked in Santa Clara County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 94022 | Los Altos | — | — | 0 | $2000K |
| 2 | 94023 | Los Altos | — | — | — | |
| 3 | 94024 | Los Altos | — | — | 0 | $2000K |
| 4 | 94035 | Mountain View | — | — | — | |
| 5 | 94039 | Mountain View | — | — | — | |
| 6 | 94040 | Mountain View | — | — | 0 | $2000K |
| 7 | 94041 | Mountain View | — | — | 0 | $2000K |
| 8 | 94042 | Mountain View | — | — | — | |
| 9 | 94043 | Mountain View | — | — | 0 | $1648K |
| 10 | 94085 | Sunnyvale | — | — | 0 | $1535K |
| 11 | 94086 | Sunnyvale | — | — | 0 | $1784K |
| 12 | 94087 | Sunnyvale | — | — | 0 | $2000K |
| 13 | 94088 | Sunnyvale | — | — | — | |
| 14 | 94089 | Sunnyvale | — | — | 0 | $392K |
| 15 | 94301 | Palo Alto | — | — | 0 | $2000K |
| 16 | 94302 | Palo Alto | — | — | — | |
| 17 | 94303 | Palo Alto | — | — | 0 | $1825K |
| 18 | 94304 | Palo Alto | — | — | 0 | $2000K |
| 19 | 94305 | Stanford | — | — | 0 | $2000K |
| 20 | 94306 | Palo Alto | — | — | 0 | $2000K |
| 21 | 94309 | Palo Alto | — | — | — | |
| 22 | 95002 | Alviso | — | — | 0 | $1023K |
| 23 | 95008 | Campbell | — | — | 1 (1 health) | $1579K |
| 24 | 95009 | Campbell | — | — | — | |
| 25 | 95011 | Campbell | — | — | — | |
| 26 | 95013 | Coyote | — | — | — | |
| 27 | 95014 | Cupertino | — | — | 1 (1 health) | $2000K |
| 28 | 95015 | Cupertino | — | — | — | |
| 29 | 95020 | Gilroy | — | — | 23 (22 health) | $1006K |
| 30 | 95021 | Gilroy | — | — | — | |
| 31 | 95026 | Holy City | — | — | — | |
| 32 | 95030 | Los Gatos | — | — | 3 (2 health) | $2000K |
| 33 | 95031 | Los Gatos | — | — | — | |
| 34 | 95032 | Los Gatos | — | — | 3 (2 health) | $2000K |
| 35 | 95035 | Milpitas | — | — | 3 (1 health) | $1181K |
| 36 | 95036 | Milpitas | — | — | — | |
| 37 | 95037 | Morgan Hill | — | — | 23 (22 health) | $1152K |
| 38 | 95038 | Morgan Hill | — | — | — | |
| 39 | 95042 | New Almaden | — | — | — | |
| 40 | 95044 | Redwood Estates | — | — | — | |
| 41 | 95046 | San Martin | — | — | 0 | $1397K |
| 42 | 95050 | Santa Clara | — | — | 1 (1 health) | $1421K |
| 43 | 95051 | Santa Clara | — | — | 0 | $1624K |
| 44 | 95052 | Santa Clara | — | — | — | |
| 45 | 95053 | Santa Clara | — | — | 1 (1 health) | — |
| 46 | 95054 | Santa Clara | — | — | 0 | $1475K |
| 47 | 95055 | Santa Clara | — | — | — | |
| 48 | 95056 | Santa Clara | — | — | — | |
| 49 | 95070 | Saratoga | — | — | 3 (1 health) | $2000K |
| 50 | 95071 | Saratoga | — | — | — | |
| 51 | 95101 | San Jose | — | — | — | |
| 52 | 95103 | San Jose | — | — | — | |
| 53 | 95106 | San Jose | — | — | — | |
| 54 | 95108 | San Jose | — | — | — | |
| 55 | 95109 | San Jose | — | — | — | |
| 56 | 95110 | San Jose | — | — | 1 (1 health) | $948K |
| 57 | 95111 | San Jose | — | — | 1 (1 health) | $826K |
| 58 | 95112 | San Jose | — | — | 3 (1 health) | $956K |
| 59 | 95113 | San Jose | — | — | 1 (1 health) | $953K |
| 60 | 95115 | San Jose | — | — | — | |
| 61 | 95116 | San Jose | — | — | 1 (1 health) | $843K |
| 62 | 95117 | San Jose | — | — | 1 (1 health) | $1425K |
| 63 | 95118 | San Jose | — | — | 1 (1 health) | $1377K |
| 64 | 95119 | San Jose | — | — | 1 (1 health) | $1176K |
| 65 | 95120 | San Jose | — | — | 1 (1 health) | $1925K |
| 66 | 95121 | San Jose | — | — | 1 (1 health) | $1025K |
| 67 | 95122 | San Jose | — | — | 1 (1 health) | $839K |
| 68 | 95123 | San Jose | — | — | 1 (1 health) | $1108K |
| 69 | 95124 | San Jose | — | — | 3 (2 health) | $1597K |
| 70 | 95125 | San Jose | — | — | 1 (1 health) | $1646K |
| 71 | 95126 | San Jose | — | — | 1 (1 health) | $1196K |
| 72 | 95127 | San Jose | — | — | 3 (2 health) | $995K |
| 73 | 95128 | San Jose | — | — | 1 (1 health) | $1215K |
| 74 | 95129 | San Jose | — | — | 1 (1 health) | $2000K |
| 75 | 95130 | San Jose | — | — | 1 (1 health) | $1775K |
| 76 | 95131 | San Jose | — | — | 3 (1 health) | $1134K |
| 77 | 95132 | San Jose | — | — | 1 (1 health) | $1264K |
| 78 | 95133 | San Jose | — | — | 1 (1 health) | $1074K |
| 79 | 95134 | San Jose | — | — | 3 (1 health) | $371K |
| 80 | 95135 | San Jose | — | — | 0 | $1459K |
| 81 | 95136 | San Jose | — | — | 1 (1 health) | $1104K |
| 82 | 95138 | San Jose | — | — | 0 | $1355K |
| 83 | 95139 | San Jose | — | — | 0 | $1125K |
| 84 | 95140 | Mount Hamilton | — | — | 1 (1 health) | $2000K |
| 85 | 95141 | San Jose | — | — | — | |
| 86 | 95148 | San Jose | — | — | 1 (1 health) | $1211K |
| 87 | 95150 | San Jose | — | — | — | |
| 88 | 95151 | San Jose | — | — | — | |
| 89 | 95152 | San Jose | — | — | — | |
| 90 | 95153 | San Jose | — | — | — | |
| 91 | 95154 | San Jose | — | — | — | |
| 92 | 95155 | San Jose | — | — | — | |
| 93 | 95156 | San Jose | — | — | — | |
| 94 | 95157 | San Jose | — | — | — | |
| 95 | 95158 | San Jose | — | — | — | |
| 96 | 95159 | San Jose | — | — | — | |
| 97 | 95160 | San Jose | — | — | — | |
| 98 | 95161 | San Jose | — | — | — | |
| 99 | 95164 | San Jose | — | — | — | |
| 100 | 95170 | San Jose | — | — | — | |
| 101 | 95172 | San Jose | — | — | — | |
| 102 | 95173 | San Jose | — | — | — | |
| 103 | 95190 | San Jose | — | — | — | |
| 104 | 95191 | San Jose | — | — | — | |
| 105 | 95192 | San Jose | — | — | — | |
| 106 | 95193 | San Jose | — | — | — | |
| 107 | 95194 | San Jose | — | — | — | |
| 108 | 95196 | San Jose | — | — | — |
Recommended Buyer Guides for Santa Clara 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 Santa Clara County, California
Overview
Santa Clara County in California covers 108 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.
36 of 57 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 25 health-based violations appear in the available health breakdown.
← Back to California 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.