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2026 Rankings

Denver Home Safety Rankings - 276 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.

Denver (Colorado) includes 276 tracked ZIP codes and 164 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: C (59/100)

Grade ZIP Codes %
A 0 0%
B 0 0%
C 94 73%
D 27 21%
F 8 6%

Top 10 ZIP Codes by Home Safety Score

Rank ZIP City Score Grade
1 80010 Aurora 67 C
2 80011 Aurora 67 C
3 80017 Aurora 67 C
4 80022 Commerce City 67 C
5 80045 Aurora 67 C
6 80102 Bennett 67 C
7 80122 Littleton 67 C
8 80126 Littleton 67 C
9 80128 Littleton 67 C

10 Riskiest ZIP Codes

Rank ZIP City Score Grade Risk Factor
1 80550 Windsor 31 F 28 violations
2 80537 Loveland 33 F 71 violations
3 80260 Denver 33 F 42 violations
4 80534 Johnstown 35 F 20 violations
5 80504 Longmont 35 F 17 violations
6 80543 Milliken 36 F 17 violations
7 80538 Loveland 38 F 35 violations
8 80016 Aurora 39 F 32 violations
9 80134 Parker 41 D 27 violations
10 80108 Castle Rock 41 D 26 violations

Most Common Contaminant Violations

Contaminant Violations ZIPs Affected
E. coli 339 80
Fecal Coliform 303 106
Haloacetic Acids (HAA5) 148 47
Lead and Copper Rule 142 48
Total Trihalomethanes (TTHM) 140 47
Stage 1 DBP Rule 125 53
Consumer Confidence Report Rule 112 49
Gross Alpha 81 26

Lead Risk

  • Average of reported 90th-percentile lead results: 0.0041 mg/L (below EPA action level)
  • 0 of 154 ZIP codes with known status exceed EPA lead action level
  • 8% of housing built before 1950
  • 24% of housing built before 1970

Cities in This Metro

...and 86 more cities

All 276 ZIP Codes Ranked

View complete ranking
Rank ZIP City Score Grade Violations
1 80010 Aurora 67 C 0
2 80011 Aurora 67 C 0
3 80017 Aurora 67 C 0
4 80022 Commerce City 67 C 0
5 80045 Aurora 67 C 0
6 80102 Bennett 67 C 0
7 80122 Littleton 67 C 0
8 80126 Littleton 67 C 0
9 80128 Littleton 67 C 0
10 80129 Littleton 67 C 0
11 80130 Littleton 67 C 0
12 80137 Watkins 67 C 0
13 80215 Denver 67 C 0
14 80487 Steamboat Springs 67 C 57
15 80012 Aurora 66 C 34
16 80014 Aurora 66 C 34
17 80019 Aurora 66 C 34
18 80031 Westminster 66 C 3
19 80202 Denver 66 C 34
20 80203 Denver 66 C 34
21 80204 Denver 66 C 34
22 80205 Denver 66 C 34
23 80206 Denver 66 C 34
24 80207 Denver 66 C 34
25 80209 Denver 66 C 34
26 80211 Denver 66 C 34
27 80212 Denver 66 C 34
28 80214 Denver 66 C 34
29 80218 Denver 66 C 34
30 80220 Denver 66 C 34
31 80222 Denver 66 C 34
32 80224 Denver 66 C 34
33 80230 Denver 66 C 34
34 80231 Denver 66 C 34
35 80235 Denver 66 C 34
36 80237 Denver 66 C 34
37 80238 Denver 66 C 34
38 80239 Denver 66 C 34
39 80247 Denver 66 C 34
40 80249 Denver 66 C 34
41 80302 Boulder 66 C 3
42 80304 Boulder 66 C 3
43 80446 Granby 66 C 2
44 80466 Nederland 66 C 1
45 80482 Winter Park 66 C 1
46 80501 Longmont 66 C 2
47 80002 Arvada 65 C 6
48 80004 Arvada 65 C 6
49 80013 Aurora 65 C 4
50 80018 Aurora 65 C 4
51 80033 Wheat Ridge 65 C 4
52 80226 Denver 65 C 35
53 80227 Denver 65 C 35
54 80228 Denver 65 C 4
55 80232 Denver 65 C 35
56 80246 Denver 65 C 35
57 80403 Golden 65 C 6
58 80452 Idaho Springs 65 C 5
59 80003 Arvada 64 C 7
60 80005 Arvada 64 C 7
61 80007 Arvada 64 C 9
62 80030 Westminster 64 C 7
63 80104 Castle Rock 64 C 9
64 80113 Englewood 64 C 6
65 80120 Littleton 64 C 6
66 80121 Littleton 64 C 6
67 80125 Littleton 64 C 28
68 80021 Broomfield 63 C 9
69 80109 Castle Rock 63 C 9
70 80110 Englewood 63 C 40
71 80123 Littleton 63 C 40
72 80210 Denver 63 C 40
73 80216 Denver 63 C 43
74 80219 Denver 63 C 40
75 80223 Denver 63 C 40
76 80236 Denver 63 C 40
77 80512 Bellvue 62 C 13
78 80528 Fort Collins 62 C 16
79 80116 Franktown 61 C 17
80 80027 Louisville 60 C 16
81 80303 Boulder 60 C 17
82 80547 Timnath 60 C 16
83 80521 Fort Collins 59 C 22
84 80526 Fort Collins 59 C 23
85 80525 Fort Collins 58 C 23
86 80305 Boulder 57 C 19
87 80535 Laporte 57 C 27
88 80549 Wellington 57 C 25
89 80520 Firestone 56 C 5
90 80530 Frederick 56 C 5
91 80514 Dacono 54 D 9
92 80127 Littleton 53 D 33
93 80234 Denver 53 D 21
94 80132 Monument 52 D 34
95 80026 Lafayette 51 D 24
96 80118 Larkspur 50 D 47
97 80301 Boulder 50 D 82
98 80401 Golden 50 D 49
99 80439 Evergreen 50 D 113
100 80465 Morrison 50 D 55
101 80516 Erie 50 D 20
102 80517 Estes Park 50 D 99
103 80524 Fort Collins 50 D 65
104 80015 Aurora 49 D 4
105 80503 Longmont 49 D 4
106 80111 Englewood 48 D 5
107 80124 Lone Tree 48 D 7
108 80112 Englewood 47 D 10
109 80229 Denver 47 D 9
110 80233 Denver 47 D 8
111 80241 Thornton 47 D 8
112 80221 Denver 45 D 46
113 80513 Berthoud 45 D 15
114 80138 Parker 44 D 19
115 80542 Mead 42 D 0
116 80108 Castle Rock 41 D 26
117 80134 Parker 41 D 27
118 80016 Aurora 39 F 32
119 80538 Loveland 38 F 35
120 80543 Milliken 36 F 17
121 80504 Longmont 35 F 17
122 80534 Johnstown 35 F 20
123 80260 Denver 33 F 42
124 80537 Loveland 33 F 71
125 80550 Windsor 31 F 28
126 80020 Broomfield — — 14
127 80023 Broomfield — — 13
128 80025 Eldorado Springs — — 2
129 80101 Agate — — —
130 80103 Byers — — —
131 80105 Deer Trail — — —
132 80106 Elbert — — 3
133 80107 Elizabeth — — 9
134 80117 Kiowa — — 0
135 80131 Louviers — — —
136 80133 Palmer Lake — — 13
137 80135 Sedalia — — 45
138 80136 Strasburg — — —
139 80290 Denver — — 34
140 80310 Boulder — — 2
141 80420 Alma — — 7
142 80421 Bailey — — —
143 80422 Black Hawk — — —
144 80423 Bond — — 0
145 80424 Breckenridge — — 15
146 80425 Buffalo Creek — — —
147 80427 Central City — — —
148 80428 Clark — — —
149 80430 Coalmont — — —
150 80432 Como — — —
151 80433 Conifer — — 37
152 80435 Dillon — — 16
153 80436 Dumont — — —
154 80438 Empire — — —
155 80440 Fairplay — — 7
156 80442 Fraser — — 2
157 80443 Frisco — — 13
158 80444 Georgetown — — —
159 80447 Grand Lake — — 1
160 80449 Hartsel — — —
161 80451 Hot Sulphur Springs — — 1
162 80453 Idledale — — —
163 80454 Indian Hills — — 18
164 80455 Jamestown — — —
165 80456 Jefferson — — —
166 80457 Kittredge — — —
167 80459 Kremmling — — —
168 80461 Leadville — — 106
169 80463 Mc Coy — — —
170 80467 Oak Creek — — —
171 80468 Parshall — — —
172 80469 Phippsburg — — —
173 80470 Pine — — 6
174 80473 Rand — — —
175 80474 Rollinsville — — —
176 80476 Silver Plume — — —
177 80478 Tabernash — — 1
178 80480 Walden — — —
179 80481 Ward — — —
180 80483 Yampa — — —
181 80498 Silverthorne — — 16
182 80510 Allenspark — — —
183 80515 Drake — — 4
184 80532 Glen Haven — — —
185 80536 Livermore — — —
186 80540 Lyons — — 43
187 80545 Red Feather Lakes — — —
188 80546 Severance — — —

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). Denver Home Safety Rankings - 276 ZIPs. https://zipcheckup.com/rankings/metro/denver/
BibTeX 
@misc{zipcheckup-rankings-metro-denver,
  author = {{ZipCheckup}},
  title  = {{Denver Home Safety Rankings - 276 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/denver/}
}

Page version: October 2026.

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