Santa Barbara County, California
40 ZIP codes · Avg score 57/100 · Grade C · Updated
ZipCheckup grade for Santa Barbara County: C.
A mixed picture - some signals here are worth your attention.
Water safety in Santa Barbara County is uneven - some of its 40 ZIP codes meet standards cleanly while others carry documented violations.
How Santa Barbara County Compares
How Santa Barbara County Compares
Santa Barbara County scores 19 points below the California state average (76/100) and 16 points below 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: Santa Barbara County, California
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 10.9 (asthma 9.7%, diabetes 10.8%)
Estimated additional annual cost per homeowner: $2,034, driven primarily by flood
69.6% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Santa Barbara County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 10 violations. Past 5 years: 33 total (33 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: $2,034
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
158,862 housing units in Santa Barbara 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 Santa Barbara County
Remediation costs are relatively manageable for most homeowners in Santa Barbara 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 Santa Barbara County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Santa Barbara County
8 community water systems serving Santa Barbara County.
- C
- C
- D
- C
- D
- C
Show all 8 water systems
- C
- C
31 total water systems serve Santa Barbara County.
Systems with the most violations in Santa Barbara County
5 water systems with recorded EPA violations.
- D
- D
- D
- C
- C
All ZIP Codes in Santa Barbara County
40 ZIP codes tracked in Santa Barbara County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 93013 | Carpinteria | 58 | C | 1 | $1075K |
| 2 | 93101 | Santa Barbara | 58 | C | 0 | $1122K |
| 3 | 93103 | Santa Barbara | 58 | C | 1 | $1556K |
| 4 | 93105 | Santa Barbara | 58 | C | 2 | $1497K |
| 5 | 93108 | Santa Barbara | 58 | C | 1 | $2000K |
| 6 | 93109 | Santa Barbara | 58 | C | 1 | $1836K |
| 7 | 93110 | Santa Barbara | 58 | C | 0 | $1101K |
| 8 | 93111 | Santa Barbara | 58 | C | 0 | $1171K |
| 9 | 93427 | Buellton | 58 | C | 1 | $763K |
| 10 | 93434 | Guadalupe | 58 | C | 0 | $454K |
| 11 | 93436 | Lompoc | 58 | C | 1 | $460K |
| 12 | 93437 | Lompoc | 58 | C | 0 | — |
| 13 | 93441 | Los Olivos | 58 | C | 1 | $1344K |
| 14 | 93454 | Santa Maria | 58 | C | 14 (12 health) | $478K |
| 15 | 93458 | Santa Maria | 58 | C | 0 | $460K |
| 16 | 93460 | Santa Ynez | 57 | C | 2 | $1188K |
| 17 | 93463 | Solvang | 56 | C | 3 | $1044K |
| 18 | 93117 | Goleta | 54 | D | 2 (1 health) | $1022K |
| 19 | 93455 | Santa Maria | 43 | D | 46 | $573K |
| 20 | 93014 | Carpinteria | — | — | — | |
| 21 | 93067 | Summerland | — | — | 1 | $1597K |
| 22 | 93102 | Santa Barbara | — | — | — | |
| 23 | 93106 | Santa Barbara | — | — | 0 | — |
| 24 | 93107 | Santa Barbara | — | — | — | |
| 25 | 93116 | Goleta | — | — | — | |
| 26 | 93118 | Goleta | — | — | — | |
| 27 | 93120 | Santa Barbara | — | — | — | |
| 28 | 93121 | Santa Barbara | — | — | — | |
| 29 | 93130 | Santa Barbara | — | — | — | |
| 30 | 93140 | Santa Barbara | — | — | — | |
| 31 | 93150 | Santa Barbara | — | — | — | |
| 32 | 93160 | Santa Barbara | — | — | — | |
| 33 | 93190 | Santa Barbara | — | — | — | |
| 34 | 93254 | New Cuyama | — | — | $216K | |
| 35 | 93429 | Casmalia | — | — | — | |
| 36 | 93438 | Lompoc | — | — | — | |
| 37 | 93440 | Los Alamos | — | — | 0 | $672K |
| 38 | 93456 | Santa Maria | — | — | — | |
| 39 | 93457 | Santa Maria | — | — | — | |
| 40 | 93464 | Solvang | — | — | — |
Recommended Buyer Guides for Santa Barbara County
Four sources - EPA, NSF, FEMA, CDC - drive the match.
- Best Lead Paint Test Kits — 69.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in 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 Santa Barbara County, California
Overview
Santa Barbara County in California covers 40 tracked ZIP records with an average Home Safety Score of C (57/100) across 19 scored records.
14 of 22 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 13 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.