Data source: EPA SDWIS, U.S. Census Bureau, FEMA NFIP Last verified: 2026-06-04

The San Francisco Bay Area metropolitan area spans California and includes 497 ZIP codes served by 269 community water systems. We analyzed EPA compliance records, lead testing data, housing age, flood insurance claims, and radon risk for every ZIP in the metro to produce this report.

Metro-Wide Safety Score: B (72/100)

The Home Safety Score combines water quality, lead risk, radon exposure, and flood risk into a single 0-100 rating.

Grade Distribution

Grade	ZIP Codes	Percentage
A	29	6%
B	288	58%
C	108	22%
D	68	14%
F	0	0%

64% of ZIP codes in the SF Bay Area metro earned an A or B — above-average safety conditions for homebuyers.

Safest Neighborhoods (Top 10 ZIPs)

The safest ZIP code is 94592 in Vallejo with a score of 99/100. These areas typically have newer infrastructure, fewer EPA violations, and lower environmental risk factors.

Highest-Risk Neighborhoods (Bottom 10 ZIPs)

If you are considering a home in these ZIP codes, we recommend requesting a water quality test, checking for lead service lines, and reviewing the full ZIP report before making an offer.

Most Common Contaminant Violations

5 of the top contaminants are health-based violations, meaning measured levels exceeded EPA Maximum Contaminant Levels (MCLs).

Lead Risk Overview

• Average lead level (90th percentile): 0.0062 mg/L (below EPA action level of 0.015 mg/L)
• 8 ZIP codes exceed the EPA lead action level
• 21% of housing built before 1950 (highest lead paint risk)
• 34% of housing built before 1970 (lead solder in plumbing)
• 72% of housing built before 1986 (potential lead pipes)

With over half of homes built before 1986, lead plumbing components are common. Running cold water for 30 seconds before drinking can reduce lead exposure from older pipes.

Flood Risk

• 12,261 FEMA flood insurance claims filed
• 279 ZIP codes with flood claims (56% of metro)
• $16,689 average payout per claim
• $204,619,000 total payouts

Water System Comparison

The San Francisco Bay Area metro is served by 269 community water systems, drawing from: Groundwater, Surface water.

Major water systems include:

• ALAMEDA COUNTY WATER DISTRICT
• Alameda Point
• Aldercroft Heights County Water District
• Aromas Water District
• B&g Mobile Home Park Llc Ws
• Bella Vista Water Sys
• Berryessa Estates (lbrid)
• Berryessa Highlands
• Berryessa Pines Water System
• Betabel Rv Resort
• ...and 259 more systems

Water quality can vary significantly between systems. Always check the ZIP-level report for your specific address.

Radon Risk

Zone	Risk Level	ZIP Codes	Percentage
Zone 1	High	0	0%
Zone 2	Moderate	332	67%
Zone 3	Low	161	32%

Is San Francisco Bay Area Safe for Homebuyers?

Positive indicators: above-average metro safety score (B); majority of ZIP codes rated A or B.

Areas of concern: 803 health-based EPA violations on record; 8 ZIP codes exceed EPA lead limits.

Safety conditions vary widely within the metro. A ZIP code with an A grade may be just a few miles from one rated F. Always check your specific ZIP code before making a purchase decision.

Frequently Asked Questions

What is the water quality safety grade for the San Francisco Bay Area metro area?

The San Francisco Bay Area metro area has an average Home Safety Score of 72/100 (grade B). This score is based on EPA violation records, lead testing data, radon risk, and flood exposure across 497 ZIP codes.

How many EPA water violations are in the San Francisco Bay Area area?

There are 1,150 total EPA violations across the San Francisco Bay Area metro, with 803 being health-based violations. 307 out of 497 ZIP codes (62%) have at least one recorded violation.

Is the tap water safe to drink in San Francisco Bay Area?

Water safety varies by ZIP code and water system. 8 ZIP codes in the metro exceed EPA lead action levels. The average lead level is 0.0062 mg/L (EPA action level is 0.015 mg/L). Check your specific ZIP code for a detailed report.

What percentage of homes in San Francisco Bay Area have lead risk?

Approximately 72% of housing in the San Francisco Bay Area metro was built before 1986, when lead pipes were still legal. 21% was built before 1950, the highest-risk category for lead paint. Homes in older neighborhoods should be tested for lead in both water and paint.

What is the flood risk in the San Francisco Bay Area metro?

The San Francisco Bay Area metro has recorded 12,261 FEMA flood insurance claims across 279 ZIP codes, with an average payout of $16,689 per claim. Check the FEMA flood map for your specific property.

Cities in the San Francisco Bay Area Metro

• San Francisco, CA — 60 ZIP codes
• Sacramento, CA — 60 ZIP codes
• San Jose, CA — 57 ZIP codes
• Oakland, CA — 26 ZIP codes
• Berkeley, CA — 11 ZIP codes
• Concord, CA — 8 ZIP codes
• Hayward, CA — 7 ZIP codes
• Richmond, CA — 7 ZIP codes
• Santa Clara, CA — 7 ZIP codes
• Mountain View, CA — 6 ZIP codes
• Palo Alto, CA — 6 ZIP codes
• Petaluma, CA — 6 ZIP codes
• Santa Cruz, CA — 6 ZIP codes
• Redwood City, CA — 5 ZIP codes
• Sunnyvale, CA — 5 ZIP codes
• San Mateo, CA — 5 ZIP codes
• Fremont, CA — 5 ZIP codes
• San Rafael, CA — 5 ZIP codes
• Novato, CA — 5 ZIP codes
• Daly City, CA — 4 ZIP codes
• Vallejo, CA — 4 ZIP codes
• Walnut Creek, CA — 4 ZIP codes
• Los Gatos, CA — 4 ZIP codes
• Los Altos, CA — 3 ZIP codes
• Moraga, CA — 3 ZIP codes
• Napa, CA — 3 ZIP codes
• San Leandro, CA — 3 ZIP codes
• Rohnert Park, CA — 3 ZIP codes
• Campbell, CA — 3 ZIP codes
• Burlingame, CA — 2 ZIP codes
• Menlo Park, CA — 2 ZIP codes
• South San Francisco, CA — 2 ZIP codes
• Alameda, CA — 2 ZIP codes
• Danville, CA — 2 ZIP codes
• Antioch, CA — 2 ZIP codes
• Fairfield, CA — 2 ZIP codes
• Castro Valley, CA — 2 ZIP codes
• Livermore, CA — 2 ZIP codes
• Pleasanton, CA — 2 ZIP codes
• San Ramon, CA — 2 ZIP codes
• Emeryville, CA — 2 ZIP codes
• El Sobrante, CA — 2 ZIP codes
• Corte Madera, CA — 2 ZIP codes
• Fairfax, CA — 2 ZIP codes
• Larkspur, CA — 2 ZIP codes
• Mill Valley, CA — 2 ZIP codes
• San Anselmo, CA — 2 ZIP codes
• San Quentin, CA — 2 ZIP codes
• Sausalito, CA — 2 ZIP codes
• Aptos, CA — 2 ZIP codes

...and 112 more cities. Browse all via city directory.

All 497 ZIP Codes

View all ZIP codes in the SF Bay Area metro

• 94002 Belmont [B]
• 94004
• 94005 Brisbane [B]
• 94010 Burlingame [C]
• 94011 Burlingame [B]
• 94014 Daly City [B]
• 94015 Daly City [B]
• 94016 Daly City [B]
• 94017 Daly City [B]
• 94018 El Granada [C]
• 94019 Half Moon Bay [B]
• 94020 La Honda [B] — 5 violations
• 94021 Loma Mar [B]
• 94022 Los Altos [B]
• 94023 Los Altos [B]
• 94024 Los Altos [B]
• 94025 Menlo Park [B]
• 94026 Menlo Park [B]
• 94027 Atherton [C]
• 94028 Portola Valley [C]
• 94030 Millbrae [C] — 2 violations
• 94035 Mountain View [B]
• 94037 Montara [B]
• 94038 Moss Beach [C]
• 94039 Mountain View [B]
• 94040 Mountain View [B]
• 94041 Mountain View [B]
• 94042 Mountain View [B]
• 94043 Mountain View [B]
• 94044 Pacifica [B]
• 94060 Pescadero [C] — 9 violations
• 94061 Redwood City [B] — 1 violation
• 94062 Redwood City [B] — 1 violation
• 94063 Redwood City [B] — 1 violation
• 94064 Redwood City [B] — 1 violation
• 94065 Redwood City [B] — 1 violation
• 94066 San Bruno [B]
• 94070 San Carlos [D]
• 94074 San Gregorio [B]
• 94080 South San Francisco [B]
• 94083 South San Francisco [B]
• 94085 Sunnyvale [B]
• 94086 Sunnyvale [B]
• 94087 Sunnyvale [B]
• 94088 Sunnyvale [B]
• 94089 Sunnyvale [B]
• 94101 San Francisco [D] — 7 violations
• 94102 San Francisco [C] — 7 violations
• 94103 San Francisco [C] — 7 violations
• 94104 San Francisco [C] — 7 violations
• 94105 San Francisco [C] — 7 violations
• 94107 San Francisco [C] — 7 violations
• 94108 San Francisco [C] — 7 violations
• 94109 San Francisco [C] — 7 violations
• 94110 San Francisco [C] — 7 violations
• 94111 San Francisco [D] — 7 violations
• 94112 San Francisco [D] — 7 violations
• 94114 San Francisco [C] — 7 violations
• 94115 San Francisco [C] — 7 violations
• 94116 San Francisco [D] — 7 violations
• 94117 San Francisco [D] — 7 violations
• 94118 San Francisco [C] — 7 violations
• 94119 San Francisco [D] — 7 violations
• 94120 San Francisco [C] — 7 violations
• 94121 San Francisco [C] — 7 violations
• 94122 San Francisco [C] — 7 violations
• 94123 San Francisco [C] — 7 violations
• 94124 San Francisco [C] — 7 violations
• 94125 San Francisco [D] — 7 violations
• 94126 San Francisco [D] — 7 violations
• 94127 San Francisco [C] — 7 violations
• 94128 San Francisco [D] — 7 violations
• 94129 San Francisco [D] — 7 violations
• 94130 San Francisco [D] — 7 violations
• 94131 San Francisco [C] — 7 violations
• 94132 San Francisco [C] — 7 violations
• 94133 San Francisco [C] — 7 violations
• 94134 San Francisco [D] — 7 violations
• 94136 San Francisco [D] — 7 violations
• 94137 San Francisco [D] — 7 violations
• 94139 San Francisco [D] — 7 violations
• 94140 San Francisco [D] — 7 violations
• 94141 San Francisco [D] — 7 violations
• 94142 San Francisco [D] — 7 violations
• 94143 San Francisco [D] — 7 violations
• 94144 San Francisco [D] — 7 violations
• 94145 San Francisco [D] — 7 violations
• 94146 San Francisco [D] — 7 violations
• 94147 San Francisco [D] — 7 violations
• 94150 San Francisco [D] — 7 violations
• 94151 San Francisco [D] — 7 violations
• 94153 San Francisco [D] — 7 violations
• 94154 San Francisco [D] — 7 violations
• 94156 San Francisco [D] — 7 violations
• 94158 San Francisco [D] — 7 violations
• 94159 San Francisco [D] — 7 violations
• 94160 San Francisco [D] — 7 violations
• 94161 San Francisco [D] — 7 violations
• 94162 San Francisco [D] — 7 violations
• 94163 San Francisco [D] — 7 violations
• 94164 San Francisco [D] — 7 violations
• 94171 San Francisco [D] — 7 violations
• 94172 San Francisco [D] — 7 violations
• 94175 San Francisco [D] — 7 violations
• 94177 San Francisco [D] — 7 violations
• 94188 San Francisco [D] — 7 violations
• 94203 Sacramento [B] — 2 violations
• 94204 Sacramento [B] — 2 violations
• 94205 Sacramento [B] — 2 violations
• 94206 Sacramento [B] — 2 violations
• 94207 Sacramento [B] — 2 violations
• 94208 Sacramento [B] — 2 violations
• 94209 Sacramento [B] — 2 violations
• 94211 Sacramento [B] — 2 violations
• 94229 Sacramento [B] — 2 violations
• 94230 Sacramento [B] — 2 violations
• 94232 Sacramento [B] — 2 violations
• 94234 Sacramento [B] — 2 violations
• 94235 Sacramento [B] — 2 violations
• 94236 Sacramento [B] — 2 violations
• 94237 Sacramento [B] — 2 violations
• 94239 Sacramento [B] — 2 violations
• 94240 Sacramento [B] — 2 violations
• 94244 Sacramento [B] — 2 violations
• 94245 Sacramento [B] — 2 violations
• 94246 Sacramento [B] — 2 violations
• 94247 Sacramento [B] — 2 violations
• 94248 Sacramento [B] — 2 violations
• 94249 Sacramento [B] — 2 violations
• 94250 Sacramento [B] — 2 violations
• 94252 Sacramento [B] — 2 violations
• 94254 Sacramento [B] — 2 violations
• 94256 Sacramento [B] — 2 violations
• 94257 Sacramento [B] — 2 violations
• 94258 Sacramento [B] — 2 violations
• 94259 Sacramento [B] — 2 violations
• 94261 Sacramento [B] — 2 violations
• 94262 Sacramento [B] — 2 violations
• 94263 Sacramento [B] — 2 violations
• 94267 Sacramento [B] — 2 violations
• 94268 Sacramento [B] — 2 violations
• 94269 Sacramento [B] — 2 violations
• 94271 Sacramento [B] — 2 violations
• 94273 Sacramento [B] — 2 violations
• 94274 Sacramento [B] — 2 violations
• 94277 Sacramento [B] — 2 violations
• 94278 Sacramento [B] — 2 violations
• 94279 Sacramento [B] — 2 violations
• 94280 Sacramento [B] — 2 violations
• 94282 Sacramento [B] — 2 violations
• 94283 Sacramento [B] — 2 violations
• 94284 Sacramento [B] — 2 violations
• 94285 Sacramento [B] — 2 violations
• 94286 Sacramento [B] — 2 violations
• 94287 Sacramento [B] — 2 violations
• 94288 Sacramento [B] — 2 violations
• 94289 Sacramento [B] — 2 violations
• 94290 Sacramento [B] — 2 violations
• 94291 Sacramento [B] — 2 violations
• 94293 Sacramento [B] — 2 violations
• 94294 Sacramento [B] — 2 violations
• 94295 Sacramento [B] — 2 violations
• 94296 Sacramento [B] — 2 violations
• 94297 Sacramento [B] — 2 violations
• 94298 Sacramento [B] — 2 violations
• 94299 Sacramento [B] — 2 violations
• 94301 Palo Alto [B]
• 94302 Palo Alto [B]
• 94303 Palo Alto [C]
• 94304 Palo Alto [B]
• 94305 Stanford [B]
• 94306 Palo Alto [B]
• 94309 Palo Alto [B]
• 94401 San Mateo [C] — 4 violations
• 94402 San Mateo [C] — 4 violations
• 94403 San Mateo [C] — 4 violations
• 94404 San Mateo [C] — 4 violations
• 94451
• 94497 San Mateo [C] — 4 violations
• 94501 Alameda [C]
• 94502 Alameda [C]
• 94503 American Canyon [A]
• 94505 Discovery Bay [B]
• 94506 Danville [B]
• 94507 Alamo [C]
• 94508 Angwin [A] — 4 violations
• 94509 Antioch [C]
• 94510 Benicia [A]
• 94511 Bethel Island [B] — 2 violations
• 94512 Birds Landing [B]
• 94513 Brentwood [B] — 6 violations
• 94514 Byron [C]
• 94515 Calistoga [B] — 9 violations
• 94516 Canyon [B] — 1 violation
• 94517 Clayton [B] — 1 violation
• 94518 Concord [B] — 4 violations
• 94519 Concord [B] — 4 violations
• 94520 Concord [B] — 4 violations
• 94521 Concord [B] — 4 violations
• 94522 Concord [A] — 4 violations
• 94523 Pleasant Hill [B]
• 94524 Concord [B] — 4 violations
• 94525 Crockett [C]
• 94526 Danville [B]
• 94527 Concord [B] — 4 violations
• 94528 Diablo [B]
• 94529 Concord [B] — 4 violations
• 94530 El Cerrito [C]
• 94531 Antioch [B]
• 94533 Fairfield [C] — 7 violations
• 94534 Fairfield [B] — 7 violations
• 94535 Travis Afb [B]
• 94536 Fremont [B] — 8 violations
• 94537 Fremont [B] — 8 violations
• 94538 Fremont [B] — 8 violations
• 94539 Fremont [B] — 8 violations
• 94540 Hayward [B]
• 94541 Hayward [B]
• 94542 Hayward [B]
• 94543 Hayward [B]
• 94544 Hayward [B]
• 94545 Hayward [B]
• 94546 Castro Valley [B] — 2 violations
• 94547 Hercules [B] — 4 violations
• 94548 Knightsen [C]
• 94549 Lafayette [D]
• 94550 Livermore [A]
• 94551 Livermore [B]
• 94552 Castro Valley [B] — 2 violations
• 94553 Martinez [B]
• 94555 Fremont [B] — 8 violations
• 94556 Moraga [C] — 18 violations
• 94557 Hayward [B]
• 94558 Napa [D] — 1 violation
• 94559 Napa [D] — 1 violation
• 94560 Newark [C]
• 94561 Oakley [D] — 29 violations
• 94562 Oakville [B]
• 94563 Orinda [B]
• 94564 Pinole [B]
• 94565 Pittsburg [B]
• 94566 Pleasanton [B] — 2 violations
• 94567 Pope Valley [C]
• 94568 Dublin [B]
• 94569 Port Costa [B]
• 94570 Moraga [D] — 18 violations
• 94571 Rio Vista [A]
• 94572 Rodeo [B]
• 94573 Rutherford [B]
• 94574 Saint Helena [C]
• 94575 Moraga [D] — 18 violations
• 94576 Deer Park [C]
• 94577 San Leandro [C]
• 94578 San Leandro [C]
• 94579 San Leandro [D]
• 94580 San Lorenzo [B]
• 94581 Napa [C] — 1 violation
• 94582 San Ramon [D] — 16 violations
• 94583 San Ramon [D] — 16 violations
• 94585 Suisun City [B]
• 94586 Sunol [C]
• 94587 Union City [C]
• 94588 Pleasanton [B] — 2 violations
• 94589 Vallejo [A]
• 94590 Vallejo [A]
• 94591 Vallejo [A]
• 94592 Vallejo [A]
• 94595 Walnut Creek [B] — 1 violation
• 94596 Walnut Creek [B] — 1 violation
• 94597 Walnut Creek [B] — 1 violation
• 94598 Walnut Creek [B] — 1 violation
• 94599 Yountville [B] — 3 violations
• 94601 Oakland [B] — 2 violations
• 94602 Oakland [B] — 2 violations
• 94603 Oakland [B] — 2 violations
• 94604 Oakland [B] — 2 violations
• 94605 Oakland [C] — 2 violations
• 94606 Oakland [B] — 2 violations
• 94607 Oakland [B] — 2 violations
• 94608 Emeryville [C]
• 94609 Oakland [B] — 2 violations
• 94610 Oakland [B] — 2 violations
• 94611 Oakland [C] — 2 violations
• 94612 Oakland [B] — 2 violations
• 94613 Oakland [B] — 2 violations
• 94614 Oakland [B] — 2 violations
• 94615 Oakland [B] — 2 violations
• 94617 Oakland [B] — 2 violations
• 94618 Oakland [B] — 2 violations
• 94619 Oakland [B] — 2 violations
• 94620 Piedmont [D]
• 94621 Oakland [B] — 2 violations
• 94622 Oakland [B] — 2 violations
• 94623 Oakland [B] — 2 violations
• 94624 Oakland [B] — 2 violations
• 94649 Oakland [B] — 2 violations
• 94659 Oakland [B] — 2 violations
• 94660 Oakland [B] — 2 violations
• 94661 Oakland [B] — 2 violations
• 94662 Emeryville [D]
• 94666 Oakland [B] — 2 violations
• 94701 Berkeley [D]
• 94702 Berkeley [C]
• 94703 Berkeley [C]
• 94704 Berkeley [C]
• 94705 Berkeley [C]
• 94706 Albany [C]
• 94707 Berkeley [C]
• 94708 Berkeley [C]
• 94709 Berkeley [C]
• 94710 Berkeley [C]
• 94712 Berkeley [D]
• 94720 Berkeley [D]
• 94801 Richmond [C]
• 94802 Richmond [B]
• 94803 El Sobrante [C]
• 94804 Richmond [C]
• 94805 Richmond [C]
• 94806 San Pablo [C]
• 94807 Richmond [C]
• 94808 Richmond [C]
• 94820 El Sobrante [C]
• 94850 Richmond [C]
• 94901 San Rafael [C]
• 94902
• 94903 San Rafael [C]
• 94904 Greenbrae [B] — 1 violation
• 94912 San Rafael [C]
• 94913 San Rafael [B]
• 94914 Kentfield [B]
• 94915 San Rafael [B]
• 94920 Belvedere Tiburon [C]
• 94922 Bodega [A]
• 94923 Bodega Bay [A]
• 94924 Bolinas [B]
• 94925 Corte Madera [B]
• 94926 Rohnert Park [A]
• 94927 Rohnert Park [A]
• 94928 Rohnert Park [A]
• 94929 Dillon Beach [A] — 2 violations
• 94930 Fairfax [C]
• 94931 Cotati [A]
• 94933 Forest Knolls [C]
• 94937 Inverness [A] — 1 violation
• 94938 Lagunitas [B]
• 94939 Larkspur [B] — 1 violation
• 94940 Marshall [B]
• 94941 Mill Valley [C]
• 94942 Mill Valley [B]
• 94945 Novato [C] — 2 violations
• 94946 Nicasio [A] — 1 violation
• 94947 Novato [C] — 2 violations
• 94948 Novato [C] — 2 violations
• 94949 Novato [C] — 2 violations
• 94950 Olema [B]
• 94951 Penngrove [C] — 1 violation
• 94952 Petaluma [B] — 2 violations
• 94953 Petaluma [A] — 2 violations
• 94954 Petaluma [A] — 2 violations
• 94955 Petaluma [A] — 2 violations
• 94956 Point Reyes Station [B]
• 94957 Ross [C]
• 94960 San Anselmo [C]
• 94963 San Geronimo [B]
• 94964 San Quentin [C]
• 94965 Sausalito [A]
• 94966 Sausalito [A]
• 94970 Stinson Beach [B] — 1 violation
• 94971 Tomales [A]
• 94972 Valley Ford [C] — 25 violations
• 94973 Woodacre [B]
• 94974 San Quentin [C]
• 94975 Petaluma [A] — 2 violations
• 94976 Corte Madera [A]
• 94977 Larkspur [A] — 1 violation
• 94978 Fairfax [C]
• 94979 San Anselmo [B]
• 94998 Novato [C] — 2 violations
• 94999 Petaluma [A] — 2 violations
• 95001 Aptos [B]
• 95002 Alviso [D]
• 95003 Aptos [C]
• 95004 Aromas [B]
• 95005 Ben Lomond [C]
• 95006 Boulder Creek [C] — 7 violations
• 95007 Brookdale [C]
• 95008 Campbell [C]
• 95009 Campbell [D]
• 95010 Capitola [C]
• 95011 Campbell [D]
• 95012 Castroville [D] — 22 violations
• 95013 Coyote [B]
• 95014 Cupertino [B]
• 95015 Cupertino [B]
• 95017 Davenport [C]
• 95018 Felton [C] — 10 violations
• 95019 Freedom [B] — 3 violations
• 95020 Gilroy [B] — 1 violation
• 95021 Gilroy [B] — 1 violation
• 95023 Hollister [C] — 8 violations
• 95024 Hollister [C] — 8 violations
• 95026 Holy City [D]
• 95030 Los Gatos [B] — 2 violations
• 95031 Los Gatos [B] — 2 violations
• 95032 Los Gatos [B] — 2 violations
• 95033 Los Gatos [B] — 2 violations
• 95035 Milpitas [B] — 2 violations
• 95036 Milpitas [B] — 2 violations
• 95037 Morgan Hill [C] — 3 violations
• 95038 Morgan Hill [B] — 3 violations
• 95039 Moss Landing [B] — 1 violation
• 95041 Mount Hermon [C] — 3 violations
• 95042 New Almaden [D]
• 95043 Paicines [C] — 4 violations
• 95044 Redwood Estates [D]
• 95045 San Juan Bautista [C] — 7 violations
• 95046 San Martin [D] — 1 violation
• 95050 Santa Clara [B]
• 95051 Santa Clara [B]
• 95052 Santa Clara [B]
• 95053 Santa Clara [B]
• 95054 Santa Clara [B]
• 95055 Santa Clara [B]
• 95056 Santa Clara [B]
• 95060 Santa Cruz [D] — 9 violations
• 95061 Santa Cruz [C] — 9 violations
• 95062 Santa Cruz [D] — 9 violations
• 95063 Santa Cruz [D] — 9 violations
• 95064 Santa Cruz [D] — 9 violations
• 95065 Santa Cruz [D] — 9 violations
• 95066 Scotts Valley [B] — 4 violations
• 95067 Scotts Valley [B] — 4 violations
• 95070 Saratoga [B] — 1 violation
• 95071 Saratoga [B] — 1 violation
• 95073 Soquel [B]
• 95075 Tres Pinos [B]
• 95076 Watsonville [C]
• 95077 Watsonville [B]
• 95101 San Jose [B] — 1 violation
• 95103 San Jose [B] — 1 violation
• 95106 San Jose [B] — 1 violation
• 95108 San Jose [B] — 1 violation
• 95109 San Jose [B] — 1 violation
• 95110 San Jose [B] — 1 violation
• 95111 San Jose [B] — 1 violation
• 95112 San Jose [B] — 1 violation
• 95113 San Jose [B] — 1 violation
• 95115 San Jose [B] — 1 violation
• 95116 San Jose [B] — 1 violation
• 95117 San Jose [B] — 1 violation
• 95118 San Jose [B] — 1 violation
• 95119 San Jose [B] — 1 violation
• 95120 San Jose [B] — 1 violation
• 95121 San Jose [B] — 1 violation
• 95122 San Jose [B] — 1 violation
• 95123 San Jose [B] — 1 violation
• 95124 San Jose [B] — 1 violation
• 95125 San Jose [B] — 1 violation
• 95126 San Jose [B] — 1 violation
• 95127 San Jose [B] — 1 violation
• 95128 San Jose [B] — 1 violation
• 95129 San Jose [B] — 1 violation
• 95130 San Jose [B] — 1 violation
• 95131 San Jose [B] — 1 violation
• 95132 San Jose [B] — 1 violation
• 95133 San Jose [B] — 1 violation
• 95134 San Jose [B] — 1 violation
• 95135 San Jose [B] — 1 violation
• 95136 San Jose [B] — 1 violation
• 95138 San Jose [B] — 1 violation
• 95139 San Jose [B] — 1 violation
• 95140 Mount Hamilton [B]
• 95141 San Jose [B] — 1 violation
• 95148 San Jose [B] — 1 violation
• 95150 San Jose [B] — 1 violation
• 95151 San Jose [B] — 1 violation
• 95152 San Jose [B] — 1 violation
• 95153 San Jose [B] — 1 violation
• 95154 San Jose [B] — 1 violation
• 95155 San Jose [B] — 1 violation
• 95156 San Jose [B] — 1 violation
• 95157 San Jose [B] — 1 violation
• 95158 San Jose [B] — 1 violation
• 95159 San Jose [B] — 1 violation
• 95160 San Jose [B] — 1 violation
• 95161 San Jose [B] — 1 violation
• 95164 San Jose [B] — 1 violation
• 95170 San Jose [B] — 1 violation
• 95171
• 95172 San Jose [B] — 1 violation
• 95173 San Jose [B] — 1 violation
• 95190 San Jose [B] — 1 violation
• 95191 San Jose [B] — 1 violation
• 95192 San Jose [B] — 1 violation
• 95193 San Jose [B] — 1 violation
• 95194 San Jose [B] — 1 violation
• 95196 San Jose [B] — 1 violation

Data Sources

• Water quality: EPA Safe Drinking Water Information System (SDWIS)
• Lead/copper: EPA Lead and Copper Rule sampling data
• Housing age: U.S. Census Bureau American Community Survey
• Flood risk: FEMA National Flood Insurance Program
• Radon: EPA Map of Radon Zones

Updated daily.