COUNTY REPORT MD

Anne Arundel County, Maryland

44 ZIP codes · Avg score 82/100 · Grade B

ZipCheckup grade for Anne Arundel County: B.

This ZIP has a few items worth a quick check.

A high composite grade for Anne Arundel County is a summary of data, not a water test, so check the report for your own ZIP code among the 44 listed.

How Anne Arundel County Compares

Anne Arundel County82/100
Maryland avg69/100
National avg73/100

How Anne Arundel County Compares

B
County Grade
82/100
Avg Safety Score
44
ZIP Codes
17
Water Systems

Anne Arundel County scores 13 points above the Maryland state average (69/100) and 9 points above the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData

B
County Grade
82
Avg Safety Score
44
ZIP Codes
Best ZIP: 20724 (83/100)
Lowest ZIP: 21076 (80/100)
$496K
Median Home Value
$367
Avg Remediation (0.07% of home value)

ZIP Code Risk Map

Water Quality Map: Anne Arundel County, Maryland

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 11.8 (asthma 10%, diabetes 10.4%)

Modeled additional annual cost estimate per homeowner: $2,470, largest modeled factor: Sea Level

46% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 10% (national: 8.9%)
Diabetes 10.4% (national: 10.5%)
Obesity 34.5% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1986
Median Build Year
46%
Pre-1980 Housing
38/100
Infrastructure Stress Indicator
41%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $2,470

Sea Level Rise $1,200/yr
Flood $1,122/yr
Energy Code Gap $367/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

242,548 housing units in Anne Arundel County

Pre-1940 5%
1940–1959 15%
1960–1979 26%
1980–1999 32%
2000+ 22%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Anne Arundel County

$496K
Median Home Value
$367
Est. Remediation Cost
0.1%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Anne Arundel County can be compared with the median property value; actual costs vary by property.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Anne Arundel County residents

Asthma 10% (US avg: 8.9%)
Diabetes 10.4% (US avg: 11%)
Obesity 34.5% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems mapped to Anne Arundel County ZIP codes

8 community water systems mapped to Anne Arundel County ZIP codes; EPA may list more systems serving the county.

Show all 8 water systems

17 water systems mapped to Anne Arundel County ZIP codes in our data; EPA may list more systems serving the county.

Systems with the most violations in Anne Arundel County

5 water systems with violations in EPA records.

All ZIP Codes in Anne Arundel County

44 ZIP codes tracked in Anne Arundel County.

# ZIP Code City Safety Score Grade Violations Home Value
1 20724 Laurel 83 B 2 $393K
2 20755 Fort George G Meade 83 B 2 —
3 21012 Arnold 83 B 2 $552K
4 21061 Glen Burnie 83 B 2 $326K
5 21114 Crofton 83 B 2 $480K
6 21146 Severna Park 83 B 2 $644K
7 21402 Annapolis 83 B 2 —
8 21037 Edgewater 82 B 3 $531K
9 21108 Millersville 82 B 5 $543K
10 21113 Odenton 82 B 5 $402K
11 21122 Pasadena 82 B 4 $412K
12 21144 Severn 82 B 5 $468K
13 21401 Annapolis 82 B 3 $581K
14 21403 Annapolis 82 B 3 $567K
15 21076 Hanover 80 B 7 (1 health) $492K
16 20701 Annapolis Junction — — 3 —
17 20711 Lothian — — $390K
18 20733 Churchton — — $397K
19 20751 Deale — — $448K
20 20758 Friendship — — 4 (1 health) $604K
21 20764 Shady Side — — $377K
22 20765 Galesville — — $481K
23 20776 Harwood — — 2 $588K
24 20778 West River — — 2 $718K
25 20779 Tracys Landing — — $509K
26 21032 Crownsville — — 5 $643K
27 21035 Davidsonville — — 4 $801K
28 21054 Gambrills — — 6 $588K
29 21056 Gibson Island — — 2 $2000K
30 21060 Glen Burnie — — 2 $353K
31 21062 Glen Burnie — — —
32 21077 Harmans — — 2 $425K
33 21090 Linthicum Heights — — 2 $374K
34 21106 Mayo — — —
35 21123 Pasadena — — —
36 21140 Riva — — 2 $598K
37 21225 Brooklyn — — 11 (2 health) $214K
38 21226 Curtis Bay — — 11 (2 health) $319K
39 21240 Baltimore — — —
40 21404 Annapolis — — —
41 21405 Annapolis — — 2 $944K
42 21409 Annapolis — — 2 $500K
43 21411 Annapolis — — —
44 21412 Annapolis — — —

Recommended Buyer Guides for Anne Arundel County

When no specific signal shows up in the records, the list falls back to general water testing and filtration guides rather than staying empty.

Overview

Anne Arundel County in Maryland covers 44 tracked ZIP records with an average Home Safety Score of B (82/100) across 15 scored records.

31 of 31 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 4 health-based violations appear in the available health breakdown.

← Back to Maryland Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in Anne Arundel County?
Anne Arundel County receives an average Home Safety grade of B from its scored ZIP records (44 ZIP codes tracked); this is a composite index, not a tap-water test.
How many water systems serve Anne Arundel County?
We map 17 public water systems to 44 ZIP codes in our data for Anne Arundel County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Anne Arundel County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Anne Arundel County is sea level. Across all modeled risk factors, the estimated average additional annual cost is $2,470 per homeowner; actual costs vary by home.
How old are homes in Anne Arundel County?
The median home build year in Anne Arundel County is 1986. 46% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.
How does Anne Arundel County compare to Maryland?
Anne Arundel County has an average Home Safety Score of 82/100 under model 4.0.0, which is at or above the Maryland state average of 69/100.

How to cite this page

APA ZipCheckup. (2026). Anne Arundel County, MD: HSS 82/100; 4 Health Violations. https://zipcheckup.com/county/maryland/anne-arundel/
BibTeX
@misc{zipcheckup-county-maryland-anne-arundel,
  author = {{ZipCheckup}},
  title  = {{Anne Arundel County, MD: HSS 82/100; 4 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/maryland/anne-arundel/}
}

Page version: October 2026.

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