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2026 Rankings

Riverside-San Bernardino Home Safety Rankings - 231 ZIPs

Explore rankings under Home Safety Score model 4.0.0. Only ZIPs with all four required inputs are ranked; missing evidence is not imputed or reweighted.

Riverside-San Bernardino (California) includes 231 tracked ZIP codes and 114 mapped community water systems; confirm service for a specific address. Below are the water quality rankings for metro ZIPs with all required inputs.

Average Home Safety Grade: B (74/100)

Grade ZIP Codes %
A 36 27%
B 58 44%
C 33 25%
D 6 5%
F 0 0%

Top 10 ZIP Codes by Home Safety Score

Rank ZIP City Score Grade
1 92602 Irvine 92 A
2 92603 Irvine 92 A
3 92604 Irvine 92 A
4 92610 Foothill Ranch 92 A
5 92612 Irvine 92 A
6 92617 Irvine 92 A
7 92618 Irvine 92 A
8 92620 Irvine 92 A
9 92625 Corona Del Mar 92 A
10 92626 Costa Mesa 92 A

10 Riskiest ZIP Codes

Rank ZIP City Score Grade Risk Factor
1 92320 Calimesa 49 D 19 violations
2 92399 Yucaipa 52 D 6 violations
3 92374 Redlands 53 D 6 violations
4 92373 Redlands 53 D 6 violations
5 92359 Mentone 54 D 5 violations
6 92325 Crestline 54 D 2 violation(s)
7 92321 Cedar Glen 55 C Lead above EPA action level
8 92346 Highland 56 C 6 violations
9 92324 Colton 56 C 3 violation(s)
10 92507 Riverside 57 C 2 violation(s)

Most Common Contaminant Violations

Contaminant Violations ZIPs Affected
Consumer Confidence Report Rule 53 20
Lead 45 31
Haloacetic Acids (HAA5) 45 30
Total Trihalomethanes (TTHM) 23 17
Combined Radium 20 3
Stage 2 DBP Rule 20 6
Stage 1 DBP Rule 14 14
Total Coliform 8 7

Lead Risk

  • Average of reported 90th-percentile lead results: 0.0074 mg/L (below EPA action level)
  • 3 of 150 ZIP codes with known status exceed EPA lead action level
  • 6% of housing built before 1950
  • 26% of housing built before 1970

Cities in This Metro

...and 76 more cities

All 231 ZIP Codes Ranked

View complete ranking
Rank ZIP City Score Grade Violations
1 92602 Irvine 92 A 0
2 92603 Irvine 92 A 0
3 92604 Irvine 92 A 0
4 92610 Foothill Ranch 92 A 0
5 92612 Irvine 92 A 0
6 92617 Irvine 92 A 0
7 92618 Irvine 92 A 0
8 92620 Irvine 92 A 0
9 92625 Corona Del Mar 92 A 0
10 92626 Costa Mesa 92 A 0
11 92627 Costa Mesa 92 A 0
12 92630 Lake Forest 92 A 0
13 92637 Laguna Woods 92 A 0
14 92651 Laguna Beach 92 A 0
15 92653 Laguna Hills 92 A 0
16 92656 Aliso Viejo 92 A 0
17 92657 Newport Coast 92 A 0
18 92660 Newport Beach 92 A 0
19 92661 Newport Beach 92 A 0
20 92662 Newport Beach 92 A 0
21 92663 Newport Beach 92 A 0
22 92679 Trabuco Canyon 92 A 0
23 92688 Rancho Santa Margarita 92 A 0
24 92782 Tustin 92 A 0
25 92606 Irvine 91 A 1
26 92614 Irvine 91 A 1
27 92624 Capistrano Beach 91 A 1
28 92629 Dana Point 91 A 1
29 92672 San Clemente 91 A 2
30 92673 San Clemente 91 A 1
31 92675 San Juan Capistrano 91 A 1
32 92676 Silverado 91 A 3
33 92677 Laguna Niguel 91 A 1
34 92691 Mission Viejo 91 A 1
35 92692 Mission Viejo 91 A 1
36 92694 Ladera Ranch 91 A 1
37 92310 Fort Irwin 75 B 0
38 92335 Fontana 75 B 1
39 92336 Fontana 75 B 0
40 92337 Fontana 75 B 0
41 92344 Hesperia 75 B 0
42 92371 Phelan 75 B 0
43 92372 Pinon Hills 75 B 0
44 92392 Victorville 75 B 0
45 92394 Victorville 75 B 2
46 92395 Victorville 75 B 1
47 92397 Wrightwood 75 B 0
48 92401 San Bernardino 75 B 0
49 92405 San Bernardino 75 B 0
50 92504 Riverside 75 B 0
51 92505 Riverside 75 B 0
52 92506 Riverside 75 B 0
53 92508 Riverside 75 B 0
54 92509 Riverside 75 B 0
55 92518 March Air Reserve Base 75 B 0
56 92530 Lake Elsinore 75 B 0
57 92548 Homeland 75 B 0
58 92551 Moreno Valley 75 B 0
59 92553 Moreno Valley 75 B 1
60 92555 Moreno Valley 75 B 0
61 92571 Perris 75 B 0
62 92585 Sun City 75 B 0
63 92586 Sun City 75 B 0
64 92587 Sun City 75 B 0
65 92596 Winchester 75 B 0
66 92646 Huntington Beach 75 B 0
67 92647 Huntington Beach 75 B 0
68 92648 Huntington Beach 75 B 0
69 92649 Huntington Beach 75 B 0
70 92655 Midway City 75 B 1
71 92683 Westminster 75 B 1
72 92701 Santa Ana 75 B 1
73 92703 Santa Ana 75 B 1
74 92704 Santa Ana 75 B 1
75 92705 Santa Ana 75 B 1
76 92706 Santa Ana 75 B 1
77 92707 Santa Ana 75 B 1
78 92708 Fountain Valley 75 B 1
79 92780 Tustin 75 B 1
80 92307 Apple Valley 74 B 6
81 92363 Needles 74 B 3
82 92385 Skyforest 74 B 2
83 92501 Riverside 74 B 1
84 92532 Lake Elsinore 74 B 1
85 92545 Hemet 74 B 2
86 92557 Moreno Valley 74 B 1
87 92570 Perris 74 B 1
88 92583 San Jacinto 74 B 2
89 92584 Menifee 74 B 2
90 92316 Bloomington 73 B 3
91 92543 Hemet 73 B 4
92 92544 Hemet 72 B 8
93 92411 San Bernardino 70 B 16
94 92407 San Bernardino 65 C 20
95 92308 Apple Valley 62 C 12
96 92503 Riverside 60 C 45
97 92301 Adelanto 58 C 1
98 92311 Barstow 58 C 1
99 92314 Big Bear City 58 C 3
100 92315 Big Bear Lake 58 C 0
101 92317 Blue Jay 58 C 0
102 92342 Helendale 58 C 0
103 92345 Hesperia 58 C 0
104 92350 Loma Linda 58 C 1
105 92352 Lake Arrowhead 58 C 2
106 92354 Loma Linda 58 C 2
107 92376 Rialto 58 C 1
108 92377 Rialto 58 C 0
109 92386 Sugarloaf 58 C 0
110 92404 San Bernardino 58 C 2
111 92408 San Bernardino 58 C 2
112 92410 San Bernardino 58 C 1
113 92562 Murrieta 58 C 0
114 92563 Murrieta 58 C 0
115 92567 Nuevo 58 C 0
116 92582 San Jacinto 58 C 0
117 92590 Temecula 58 C 0
118 92591 Temecula 58 C 0
119 92592 Temecula 58 C 0
120 92595 Wildomar 58 C 2
121 92313 Grand Terrace 57 C 2
122 92382 Running Springs 57 C 4
123 92507 Riverside 57 C 2
124 92324 Colton 56 C 3
125 92346 Highland 56 C 6
126 92321 Cedar Glen 55 C 7
127 92325 Crestline 54 D 2
128 92359 Mentone 54 D 5
129 92373 Redlands 53 D 6
130 92374 Redlands 53 D 6
131 92399 Yucaipa 52 D 6
132 92320 Calimesa 49 D 19
133 92305 Angelus Oaks — — 7
134 92309 Baker — — —
135 92322 Cedarpines Park — — 2
136 92327 Daggett — — 0
137 92328 Death Valley — — —
138 92332 Essex — — —
139 92333 Fawnskin — — —
140 92339 Forest Falls — — —
141 92341 Green Valley Lake — — 0
142 92347 Hinkley — — 0
143 92356 Lucerne Valley — — 14
144 92358 Lytle Creek — — —
145 92365 Newberry Springs — — —
146 92368 Oro Grande — — 0
147 92369 Patton — — 0
148 92378 Rimforest — — 2
149 92389 Tecopa — — —
150 92391 Twin Peaks — — 2
151 92398 Yermo — — —
152 92536 Aguanga — — 0
153 92539 Anza — — 9
154 92549 Idyllwild — — 8
155 92561 Mountain Center — — 15
156 92678 Trabuco Canyon — — 0

Data Sources

  • Water quality: EPA SDWIS
  • Housing: U.S. Census Bureau American Community Survey
  • Flood: FEMA NFIP
  • Flood scope: historical NFIP claim records and claim-rated-zone evidence; this is not current property-map coverage.

Reporting periods vary by source; the page metadata identifies this materialization.

Methodology
Model 4.0.0 averages SDWIS water compliance and UCMR5 PFAS within drinking water, then averages drinking water, county radon, and annual AQI as three equal domains. All four inputs are required. Score methodology → · Rankings methodology →
Disclaimer: Scores are based on EPA SDWIS reported data and are not a guarantee of current water safety. Water quality can change. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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How to cite this page

APA ZipCheckup. (2026). Riverside-San Bernardino Home Safety Rankings - 231 ZIPs. https://zipcheckup.com/rankings/metro/riverside-san-bernardino/
BibTeX 
@misc{zipcheckup-rankings-metro-riverside-san-bernardino,
  author = {{ZipCheckup}},
  title  = {{Riverside-San Bernardino Home Safety Rankings - 231 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/riverside-san-bernardino/}
}

Page version: October 2026.

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