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2026 Rankings

Seattle Home Safety Rankings - 339 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.

Seattle (Washington) includes 339 tracked ZIP codes and 307 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: A (95/100)

Grade ZIP Codes %
A 144 81%
B 32 18%
C 1 1%
D 0 0%
F 0 0%

Top 10 ZIP Codes by Home Safety Score

Rank ZIP City Score Grade
1 98002 Auburn 100 A
2 98005 Bellevue 100 A
3 98007 Bellevue 100 A
4 98008 Bellevue 100 A
5 98011 Bothell 100 A
6 98012 Bothell 100 A
7 98020 Edmonds 100 A
8 98022 Enumclaw 100 A
9 98026 Edmonds 100 A
10 98028 Kenmore 100 A

10 Riskiest ZIP Codes

Rank ZIP City Score Grade Risk Factor
1 98338 Graham 67 C 91 violations
2 98387 Spanaway 77 B 20 violations
3 98374 Puyallup 79 B 12 violations
4 98372 Puyallup 79 B 12 violations
5 98092 Auburn 79 B 14 violations
6 98375 Puyallup 80 B 10 violations
7 98371 Puyallup 80 B 11 violations
8 98373 Puyallup 81 B 7 violations
9 98367 Port Orchard 81 B 8 violations
10 98446 Tacoma 82 B 6 violations

Most Common Contaminant Violations

Contaminant Violations ZIPs Affected
Surface Water Treatment Rule 385 130
Lead 226 46
Haloacetic Acids (HAA5) 212 67
Total Trihalomethanes (TTHM) 152 67
Consumer Confidence Report Rule 140 57
E. coli 68 41
Stage 1 DBP Rule 57 32
Barium 52 8

Lead Risk

  • Average of reported 90th-percentile lead results: 0.0046 mg/L (below EPA action level)
  • 3 of 222 ZIP codes with known status exceed EPA lead action level
  • 13% of housing built before 1950
  • 30% of housing built before 1970

Cities in This Metro

...and 139 more cities

All 339 ZIP Codes Ranked

View complete ranking
Rank ZIP City Score Grade Violations
1 98002 Auburn 100 A 2
2 98005 Bellevue 100 A 0
3 98007 Bellevue 100 A 0
4 98008 Bellevue 100 A 0
5 98011 Bothell 100 A 1
6 98012 Bothell 100 A 2
7 98020 Edmonds 100 A 3
8 98022 Enumclaw 100 A 2
9 98026 Edmonds 100 A 3
10 98028 Kenmore 100 A 1
11 98034 Kirkland 100 A 1
12 98036 Lynnwood 100 A 3
13 98037 Lynnwood 100 A 2
14 98039 Medina 100 A 0
15 98040 Mercer Island 100 A 0
16 98043 Mountlake Terrace 100 A 1
17 98055 Renton 100 A 0
18 98056 Renton 100 A 0
19 98057 Renton 100 A 1
20 98072 Woodinville 100 A 3
21 98077 Woodinville 100 A 2
22 98087 Lynnwood 100 A 0
23 98101 Seattle 100 A 0
24 98102 Seattle 100 A 0
25 98103 Seattle 100 A 0
26 98104 Seattle 100 A 0
27 98105 Seattle 100 A 0
28 98106 Seattle 100 A 0
29 98107 Seattle 100 A 0
30 98108 Seattle 100 A 0
31 98109 Seattle 100 A 0
32 98112 Seattle 100 A 0
33 98115 Seattle 100 A 0
34 98116 Seattle 100 A 0
35 98117 Seattle 100 A 0
36 98118 Seattle 100 A 0
37 98119 Seattle 100 A 0
38 98121 Seattle 100 A 0
39 98122 Seattle 100 A 0
40 98125 Seattle 100 A 0
41 98126 Seattle 100 A 0
42 98133 Seattle 100 A 0
43 98134 Seattle 100 A 0
44 98136 Seattle 100 A 0
45 98144 Seattle 100 A 0
46 98146 Seattle 100 A 0
47 98155 Seattle 100 A 0
48 98166 Seattle 100 A 0
49 98168 Seattle 100 A 1
50 98177 Seattle 100 A 0
51 98178 Seattle 100 A 0
52 98199 Seattle 100 A 0
53 98203 Everett 100 A 1
54 98204 Everett 100 A 1
55 98225 Bellingham 100 A 1
56 98266 Maple Falls 100 A 0
57 98275 Mukilteo 100 A 1
58 98310 Bremerton 100 A 1
59 98314 Bremerton 100 A 0
60 98327 Dupont 100 A 1
61 98332 Gig Harbor 100 A 0
62 98337 Bremerton 100 A 1
63 98339 Port Hadlock 100 A 1
64 98340 Hansville 100 A 1
65 98354 Milton 100 A 1
66 98358 Nordland 100 A 1
67 98388 Steilacoom 100 A 0
68 98402 Tacoma 100 A 0
69 98403 Tacoma 100 A 0
70 98404 Tacoma 100 A 0
71 98405 Tacoma 100 A 0
72 98406 Tacoma 100 A 0
73 98407 Tacoma 100 A 0
74 98408 Tacoma 100 A 0
75 98409 Tacoma 100 A 0
76 98416 Tacoma 100 A 0
77 98418 Tacoma 100 A 0
78 98443 Tacoma 100 A 0
79 98465 Tacoma 100 A 0
80 98466 Tacoma 100 A 0
81 98467 University Place 100 A 1
82 98004 Bellevue 99 A 3
83 98014 Carnation 99 A 3
84 98021 Bothell 99 A 5
85 98030 Kent 99 A 6
86 98032 Kent 99 A 2
87 98045 North Bend 99 A 4
88 98047 Pacific 99 A 2
89 98058 Renton 99 A 3
90 98059 Renton 99 A 3
91 98148 Seattle 99 A 1
92 98188 Seattle 99 A 3
93 98198 Seattle 99 A 3
94 98201 Everett 99 A 6
95 98208 Everett 99 A 5
96 98221 Anacortes 99 A 2
97 98229 Bellingham 99 A 3
98 98251 Gold Bar 99 A 4
99 98252 Granite Falls 99 A 3
100 98258 Lake Stevens 99 A 4
101 98284 Sedro Woolley 99 A 3
102 98296 Snohomish 99 A 5
103 98325 Chimacum 99 A 2
104 98331 Forks 99 A 3
105 98368 Port Townsend 99 A 3
106 98380 Seabeck 99 A 4
107 98390 Sumner 99 A 4
108 98421 Tacoma 99 A 2
109 98422 Tacoma 99 A 3
110 98424 Tacoma 99 A 2
111 98006 Bellevue 98 A 5
112 98027 Issaquah 98 A 6
113 98031 Kent 98 A 6
114 98065 Snoqualmie 98 A 6
115 98233 Burlington 98 A 6
116 98270 Marysville 98 A 8
117 98273 Mount Vernon 98 A 5
118 98294 Sultan 98 A 5
119 98311 Bremerton 98 A 3
120 98335 Gig Harbor 98 A 6
121 98110 Bainbridge Island 97 A 8
122 98257 La Conner 97 A 6
123 98271 Marysville 97 A 10
124 98312 Bremerton 97 A 9
125 98346 Kingston 97 A 5
126 98363 Port Angeles 97 A 9
127 98383 Silverdale 97 A 6
128 98290 Snohomish 96 A 13
129 98362 Port Angeles 96 A 13
130 98392 Suquamish 96 A 5
131 98272 Monroe 95 A 16
132 98360 Orting 94 A 58
133 98391 Bonney Lake 94 A 16
134 98070 Vashon 93 A 8
135 98370 Poulsbo 93 A 13
136 98223 Arlington 92 A 17
137 98247 Everson 92 A 15
138 98264 Lynden 92 A 15
139 98321 Buckley 92 A 62
140 98230 Blaine 89 A 23
141 98248 Ferndale 86 A 31
142 98019 Duvall 85 A 45
143 98003 Federal Way 83 B 1
144 98010 Black Diamond 83 B 0
145 98023 Federal Way 83 B 1
146 98029 Issaquah 83 B 1
147 98033 Kirkland 83 B 0
148 98051 Ravensdale 83 B 0
149 98052 Redmond 83 B 0
150 98053 Redmond 83 B 2
151 98068 Snoqualmie Pass 83 B 0
152 98074 Sammamish 83 B 1
153 98075 Sammamish 83 B 0
154 98328 Eatonville 83 B 86
155 98382 Sequim 83 B 107
156 98433 Tacoma 83 B 0
157 98444 Tacoma 83 B 2
158 98498 Lakewood 83 B 1
159 98499 Lakewood 83 B 2
160 98001 Auburn 82 B 6
161 98038 Maple Valley 82 B 4
162 98042 Kent 82 B 5
163 98226 Bellingham 82 B 5
164 98366 Port Orchard 82 B 3
165 98445 Tacoma 82 B 6
166 98446 Tacoma 82 B 6
167 98367 Port Orchard 81 B 8
168 98373 Puyallup 81 B 7
169 98371 Puyallup 80 B 11
170 98375 Puyallup 80 B 10
171 98092 Auburn 79 B 14
172 98372 Puyallup 79 B 12
173 98374 Puyallup 79 B 12
174 98387 Spanaway 77 B 20
175 98338 Graham 67 C 91
176 98024 Fall City — — 3
177 98025 Hobart — — 0
178 98050 Preston — — 0
179 98164 Seattle — — —
180 98195 Seattle — — 0
181 98207 Everett — — 1
182 98220 Acme — — —
183 98222 Blakely Island — — —
184 98224 Baring — — —
185 98232 Bow — — 7
186 98235 Clearlake — — 2
187 98236 Clinton — — 14
188 98237 Concrete — — 2
189 98239 Coupeville — — 80
190 98240 Custer — — 22
191 98241 Darrington — — —
192 98243 Deer Harbor — — 6
193 98244 Deming — — 0
194 98245 Eastsound — — 15
195 98249 Freeland — — 48
196 98250 Friday Harbor — — 14
197 98253 Greenbank — — 21
198 98255 Hamilton — — —
199 98256 Index — — —
200 98260 Langley — — 57
201 98261 Lopez Island — — 1
202 98262 Lummi Island — — 12
203 98263 Lyman — — —
204 98267 Marblemount — — —
205 98274 Mount Vernon — — 2
206 98276 Nooksack — — 0
207 98277 Oak Harbor — — 152
208 98278 Oak Harbor — — 0
209 98279 Olga — — 12
210 98280 Orcas — — 6
211 98281 Point Roberts — — 1
212 98282 Camano Island — — 92
213 98283 Rockport — — —
214 98286 Shaw Island — — —
215 98288 Skykomish — — —
216 98292 Stanwood — — 16
217 98295 Sumas — — 12
218 98303 Anderson Island — — 9
219 98304 Ashford — — 2
220 98305 Beaver — — 2
221 98315 Silverdale — — 0
222 98320 Brinnon — — —
223 98323 Carbonado — — 48
224 98326 Clallam Bay — — —
225 98329 Gig Harbor — — 1
226 98333 Fox Island — — 0
227 98336 Glenoma — — —
228 98342 Indianola — — 3
229 98345 Keyport — — 2
230 98349 Lakebay — — 10
231 98350 La Push — — —
232 98351 Longbranch — — 9
233 98355 Mineral — — —
234 98356 Morton — — —
235 98357 Neah Bay — — —
236 98359 Olalla — — 0
237 98361 Packwood — — —
238 98365 Port Ludlow — — 1
239 98376 Quilcene — — 0
240 98377 Randle — — —
241 98381 Sekiu — — —
242 98385 South Prairie — — 0
243 98394 Vaughn — — 1
244 98396 Wilkeson — — 48
245 98430 Camp Murray — — 0
246 98438 Mcchord Afb — — 0
247 98439 Lakewood — — 0
248 98447 Tacoma — — 2

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). Seattle Home Safety Rankings - 339 ZIPs. https://zipcheckup.com/rankings/metro/seattle/
BibTeX 
@misc{zipcheckup-rankings-metro-seattle,
  author = {{ZipCheckup}},
  title  = {{Seattle Home Safety Rankings - 339 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/seattle/}
}

Page version: October 2026.

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