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2026 Rankings
Baltimore Home Safety Rankings - 159 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.
Baltimore (Maryland) includes 159 tracked ZIP codes and 33 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 (64/100)
| Grade | ZIP Codes | % |
|---|---|---|
| A | 0 | 0% |
| B | 10 | 13% |
| C | 60 | 75% |
| D | 10 | 13% |
| F | 0 | 0% |
Top 10 ZIP Codes by Home Safety Score
| Rank | ZIP | City | Score | Grade |
|---|---|---|---|---|
| 1 | 21012 | Arnold | 83 | B |
| 2 | 21061 | Glen Burnie | 83 | B |
| 3 | 21114 | Crofton | 83 | B |
| 4 | 21146 | Severna Park | 83 | B |
| 5 | 21037 | Edgewater | 82 | B |
| 6 | 21108 | Millersville | 82 | B |
| 7 | 21113 | Odenton | 82 | B |
| 8 | 21122 | Pasadena | 82 | B |
| 9 | 21144 | Severn | 82 | B |
| 10 | 21076 | Hanover | 80 | B |
10 Riskiest ZIP Codes
| Rank | ZIP | City | Score | Grade | Risk Factor |
|---|---|---|---|---|---|
| 1 | 21042 | Ellicott City | 48 | D | 6 violations |
| 2 | 21001 | Aberdeen | 48 | D | 5 violations |
| 3 | 21157 | Westminster | 49 | D | 2 violation(s) |
| 4 | 21050 | Forest Hill | 49 | D | 3 violation(s) |
| 5 | 21047 | Fallston | 49 | D | 3 violation(s) |
| 6 | 21015 | Bel Air | 49 | D | 3 violation(s) |
| 7 | 21014 | Bel Air | 49 | D | 3 violation(s) |
| 8 | 21005 | Aberdeen Proving Ground | 49 | D | 3 violation(s) |
| 9 | 21102 | Manchester | 50 | D | — |
| 10 | 21074 | Hampstead | 50 | D | — |
Most Common Contaminant Violations
| Contaminant | Violations | ZIPs Affected |
|---|---|---|
| Toxaphene | 121 | 61 |
| Chlordane | 121 | 61 |
| Lead | 90 | 86 |
| Stage 2 DBP Rule | 80 | 66 |
| Haloacetic Acids (HAA5) | 79 | 74 |
| Consumer Confidence Report Rule | 64 | 62 |
| Lead and Copper Rule | 61 | 61 |
| Stage 1 DBP Rule | 47 | 25 |
Lead Risk
- Average of reported 90th-percentile lead results: 0.0029 mg/L (below EPA action level)
- 0 of 106 ZIP codes with known status exceed EPA lead action level
- 23% of housing built before 1950
- 47% of housing built before 1970
Cities in This Metro
- Baltimore, MD — 50 ZIP codes
- Ellicott City, MD — 3 ZIP codes
- Columbia, MD — 3 ZIP codes
- Glen Burnie, MD — 3 ZIP codes
- Towson, MD — 3 ZIP codes
- Bel Air, MD — 2 ZIP codes
- Hunt Valley, MD — 2 ZIP codes
- Lutherville Timonium, MD — 2 ZIP codes
- Pasadena, MD — 2 ZIP codes
- Westminster, MD — 2 ZIP codes
- Aberdeen, MD — 1 ZIP code
- Aberdeen Proving Ground, MD — 1 ZIP code
- Abingdon, MD — 1 ZIP code
- Gunpowder, MD — 1 ZIP code
- Arnold, MD — 1 ZIP code
- Baldwin, MD — 1 ZIP code
- Belcamp, MD — 1 ZIP code
- Benson, MD — 1 ZIP code
- Boring, MD — 1 ZIP code
- Brooklandville, MD — 1 ZIP code
- Butler, MD — 1 ZIP code
- Chase, MD — 1 ZIP code
- Churchville, MD — 1 ZIP code
- Clarksville, MD — 1 ZIP code
- Cockeysville, MD — 1 ZIP code
- Crownsville, MD — 1 ZIP code
- Darlington, MD — 1 ZIP code
- Davidsonville, MD — 1 ZIP code
- Dayton, MD — 1 ZIP code
- Edgewater, MD — 1 ZIP code
...and 67 more cities
All 159 ZIP Codes Ranked
View complete ranking
| Rank | ZIP | City | Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 21012 | Arnold | 83 | B | 2 |
| 2 | 21061 | Glen Burnie | 83 | B | 2 |
| 3 | 21114 | Crofton | 83 | B | 2 |
| 4 | 21146 | Severna Park | 83 | B | 2 |
| 5 | 21037 | Edgewater | 82 | B | 3 |
| 6 | 21108 | Millersville | 82 | B | 5 |
| 7 | 21113 | Odenton | 82 | B | 5 |
| 8 | 21122 | Pasadena | 82 | B | 4 |
| 9 | 21144 | Severn | 82 | B | 5 |
| 10 | 21076 | Hanover | 80 | B | 7 |
| 11 | 21009 | Abingdon | 66 | C | 3 |
| 12 | 21017 | Belcamp | 66 | C | 3 |
| 13 | 21040 | Edgewood | 66 | C | 3 |
| 14 | 21045 | Columbia | 66 | C | 1 |
| 15 | 21046 | Columbia | 66 | C | 1 |
| 16 | 21085 | Joppa | 66 | C | 3 |
| 17 | 21104 | Marriottsville | 66 | C | 3 |
| 18 | 21130 | Perryman | 66 | C | 3 |
| 19 | 21030 | Cockeysville | 64 | C | 9 |
| 20 | 21052 | Fort Howard | 64 | C | 9 |
| 21 | 21071 | Glyndon | 64 | C | 9 |
| 22 | 21117 | Owings Mills | 64 | C | 9 |
| 23 | 21128 | Perry Hall | 64 | C | 9 |
| 24 | 21131 | Phoenix | 64 | C | 9 |
| 25 | 21133 | Randallstown | 64 | C | 9 |
| 26 | 21136 | Reisterstown | 64 | C | 9 |
| 27 | 21162 | White Marsh | 64 | C | 9 |
| 28 | 21201 | Baltimore | 64 | C | 9 |
| 29 | 21202 | Baltimore | 64 | C | 9 |
| 30 | 21204 | Towson | 64 | C | 9 |
| 31 | 21205 | Baltimore | 64 | C | 9 |
| 32 | 21206 | Baltimore | 64 | C | 9 |
| 33 | 21207 | Gwynn Oak | 64 | C | 9 |
| 34 | 21208 | Pikesville | 64 | C | 9 |
| 35 | 21209 | Baltimore | 64 | C | 9 |
| 36 | 21212 | Baltimore | 64 | C | 9 |
| 37 | 21213 | Baltimore | 64 | C | 9 |
| 38 | 21214 | Baltimore | 64 | C | 9 |
| 39 | 21215 | Baltimore | 64 | C | 9 |
| 40 | 21216 | Baltimore | 64 | C | 9 |
| 41 | 21217 | Baltimore | 64 | C | 9 |
| 42 | 21218 | Baltimore | 64 | C | 9 |
| 43 | 21219 | Sparrows Point | 64 | C | 9 |
| 44 | 21220 | Middle River | 64 | C | 9 |
| 45 | 21221 | Essex | 64 | C | 9 |
| 46 | 21222 | Dundalk | 64 | C | 9 |
| 47 | 21223 | Baltimore | 64 | C | 9 |
| 48 | 21224 | Baltimore | 64 | C | 9 |
| 49 | 21228 | Catonsville | 64 | C | 9 |
| 50 | 21230 | Baltimore | 64 | C | 9 |
| 51 | 21231 | Baltimore | 64 | C | 9 |
| 52 | 21234 | Parkville | 64 | C | 9 |
| 53 | 21236 | Nottingham | 64 | C | 9 |
| 54 | 21237 | Rosedale | 64 | C | 9 |
| 55 | 21239 | Baltimore | 64 | C | 9 |
| 56 | 21244 | Windsor Mill | 64 | C | 9 |
| 57 | 21250 | Baltimore | 64 | C | 9 |
| 58 | 21251 | Baltimore | 64 | C | 9 |
| 59 | 21286 | Towson | 64 | C | 9 |
| 60 | 21043 | Ellicott City | 63 | C | 10 |
| 61 | 21087 | Kingsville | 63 | C | 12 |
| 62 | 21163 | Woodstock | 63 | C | 10 |
| 63 | 21210 | Baltimore | 62 | C | 13 |
| 64 | 21211 | Baltimore | 62 | C | 13 |
| 65 | 21227 | Halethorpe | 60 | C | 18 |
| 66 | 21229 | Baltimore | 60 | C | 18 |
| 67 | 21078 | Havre De Grace | 59 | C | 22 |
| 68 | 21074 | Hampstead | 50 | D | 0 |
| 69 | 21102 | Manchester | 50 | D | 0 |
| 70 | 21005 | Aberdeen Proving Ground | 49 | D | 3 |
| 71 | 21014 | Bel Air | 49 | D | 3 |
| 72 | 21015 | Bel Air | 49 | D | 3 |
| 73 | 21047 | Fallston | 49 | D | 3 |
| 74 | 21050 | Forest Hill | 49 | D | 3 |
| 75 | 21157 | Westminster | 49 | D | 2 |
| 76 | 21001 | Aberdeen | 48 | D | 5 |
| 77 | 21042 | Ellicott City | 48 | D | 6 |
| 78 | 21010 | Gunpowder | — | — | — |
| 79 | 21013 | Baldwin | — | — | — |
| 80 | 21023 | Butler | — | — | — |
| 81 | 21028 | Churchville | — | — | 0 |
| 82 | 21029 | Clarksville | — | — | 1 |
| 83 | 21032 | Crownsville | — | — | 5 |
| 84 | 21034 | Darlington | — | — | 0 |
| 85 | 21035 | Davidsonville | — | — | 4 |
| 86 | 21036 | Dayton | — | — | — |
| 87 | 21044 | Columbia | — | — | 1 |
| 88 | 21048 | Finksburg | — | — | 4 |
| 89 | 21051 | Fork | — | — | — |
| 90 | 21053 | Freeland | — | — | — |
| 91 | 21054 | Gambrills | — | — | 6 |
| 92 | 21056 | Gibson Island | — | — | 2 |
| 93 | 21057 | Glen Arm | — | — | 9 |
| 94 | 21060 | Glen Burnie | — | — | 2 |
| 95 | 21075 | Elkridge | — | — | 1 |
| 96 | 21077 | Harmans | — | — | 2 |
| 97 | 21082 | Hydes | — | — | — |
| 98 | 21084 | Jarrettsville | — | — | 3 |
| 99 | 21090 | Linthicum Heights | — | — | 2 |
| 100 | 21093 | Lutherville Timonium | — | — | 9 |
| 101 | 21111 | Monkton | — | — | 9 |
| 102 | 21120 | Parkton | — | — | — |
| 103 | 21132 | Pylesville | — | — | — |
| 104 | 21140 | Riva | — | — | 2 |
| 105 | 21152 | Sparks Glencoe | — | — | 9 |
| 106 | 21153 | Stevenson | — | — | 9 |
| 107 | 21154 | Street | — | — | — |
| 108 | 21155 | Upperco | — | — | 0 |
| 109 | 21156 | Upper Falls | — | — | — |
| 110 | 21158 | Westminster | — | — | 3 |
| 111 | 21160 | Whiteford | — | — | — |
| 112 | 21161 | White Hall | — | — | — |
| 113 | 21225 | Brooklyn | — | — | 11 |
| 114 | 21226 | Curtis Bay | — | — | 11 |
| 115 | 21252 | Towson | — | — | 9 |
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 →
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.
Explore More
How to cite this page
APA
ZipCheckup. (2026). Baltimore Home Safety Rankings - 159 ZIPs. https://zipcheckup.com/rankings/metro/baltimore/
BibTeX
@misc{zipcheckup-rankings-metro-baltimore,
author = {{ZipCheckup}},
title = {{Baltimore Home Safety Rankings - 159 ZIPs}},
year = {2026},
url = {https://zipcheckup.com/rankings/metro/baltimore/}
}
Page version: October 2026.
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