San Francisco County, California
59 ZIP codes · Home Safety Score unavailable · 0 of 59 tracked ZIP records scored · Updated
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: San Francisco County, California
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 8.9 (asthma 8.4%, diabetes 10.2%)
Estimated additional annual cost per homeowner: $1,366, driven primarily by energy_code_gap
Violation History (2021–2024)
→ Stable trendEPA violation counts by year across San Francisco County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 84 violations. Past 5 years: 168 total (168 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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 San Francisco County
Remediation costs are relatively manageable for most homeowners in San Francisco 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 San Francisco County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving San Francisco County
4 community water systems serving San Francisco County.
All ZIP Codes in San Francisco County
59 ZIP codes tracked in San Francisco County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 94101 | San Francisco | — | — | — | |
| 2 | 94102 | San Francisco | — | — | 0 | $996K |
| 3 | 94103 | San Francisco | — | — | 0 | $1058K |
| 4 | 94104 | San Francisco | — | — | 0 | $1993K |
| 5 | 94105 | San Francisco | — | — | 0 | $1462K |
| 6 | 94107 | San Francisco | — | — | 0 | $1227K |
| 7 | 94108 | San Francisco | — | — | 0 | $1208K |
| 8 | 94109 | San Francisco | — | — | 0 | $1390K |
| 9 | 94110 | San Francisco | — | — | 0 | $1500K |
| 10 | 94111 | San Francisco | — | — | 0 | $1217K |
| 11 | 94112 | San Francisco | — | — | 0 | $1160K |
| 12 | 94114 | San Francisco | — | — | 0 | $1772K |
| 13 | 94115 | San Francisco | — | — | 0 | $1684K |
| 14 | 94116 | San Francisco | — | — | 0 | $1450K |
| 15 | 94117 | San Francisco | — | — | 0 | $1641K |
| 16 | 94118 | San Francisco | — | — | 0 | $1817K |
| 17 | 94119 | San Francisco | — | — | — | |
| 18 | 94120 | San Francisco | — | — | — | |
| 19 | 94121 | San Francisco | — | — | 0 | $1635K |
| 20 | 94122 | San Francisco | — | — | 0 | $1507K |
| 21 | 94123 | San Francisco | — | — | 0 | $2000K |
| 22 | 94124 | San Francisco | — | — | 0 | $1043K |
| 23 | 94125 | San Francisco | — | — | — | |
| 24 | 94126 | San Francisco | — | — | — | |
| 25 | 94127 | San Francisco | — | — | 0 | $1898K |
| 26 | 94129 | San Francisco | — | — | 0 | — |
| 27 | 94130 | San Francisco | — | — | 0 | — |
| 28 | 94131 | San Francisco | — | — | 0 | $1750K |
| 29 | 94132 | San Francisco | — | — | 0 | $1459K |
| 30 | 94133 | San Francisco | — | — | 0 | $1519K |
| 31 | 94134 | San Francisco | — | — | 0 | $1064K |
| 32 | 94136 | San Francisco | — | — | — | |
| 33 | 94137 | San Francisco | — | — | — | |
| 34 | 94139 | San Francisco | — | — | — | |
| 35 | 94140 | San Francisco | — | — | — | |
| 36 | 94141 | San Francisco | — | — | — | |
| 37 | 94142 | San Francisco | — | — | — | |
| 38 | 94143 | San Francisco | — | — | — | |
| 39 | 94144 | San Francisco | — | — | — | |
| 40 | 94145 | San Francisco | — | — | — | |
| 41 | 94146 | San Francisco | — | — | — | |
| 42 | 94147 | San Francisco | — | — | — | |
| 43 | 94150 | San Francisco | — | — | — | |
| 44 | 94151 | San Francisco | — | — | — | |
| 45 | 94153 | San Francisco | — | — | — | |
| 46 | 94154 | San Francisco | — | — | — | |
| 47 | 94156 | San Francisco | — | — | — | |
| 48 | 94158 | San Francisco | — | — | 0 | $1501K |
| 49 | 94159 | San Francisco | — | — | — | |
| 50 | 94160 | San Francisco | — | — | — | |
| 51 | 94161 | San Francisco | — | — | — | |
| 52 | 94162 | San Francisco | — | — | — | |
| 53 | 94163 | San Francisco | — | — | — | |
| 54 | 94164 | San Francisco | — | — | — | |
| 55 | 94171 | San Francisco | — | — | — | |
| 56 | 94172 | San Francisco | — | — | — | |
| 57 | 94175 | San Francisco | — | — | — | |
| 58 | 94177 | San Francisco | — | — | — | |
| 59 | 94188 | San Francisco | — | — | 0 | — |
Recommended Buyer Guides for San Francisco County
While many sites publish identical guide lists across every county they cover, the selection here changes by location - driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- 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
Deep Dive Reports
Detailed analysis for San Francisco County, California
Overview
San Francisco County in California covers 59 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.
The available EPA record reports 0 violations for 28 ZIP codes with a reported violation count.
← 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.