Anne Arundel County, Maryland
44 ZIP codes · Avg score 82/100 · Grade B · Updated
ZipCheckup grade for Anne Arundel County: B.
This ZIP looks solid, with a few items worth a quick check.
Within Anne Arundel County's 44 tracked ZIP codes, safety indicators remain above the national average with few health-based violations on record.
How Anne Arundel County Compares
How Anne Arundel County Compares
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 Last verified:
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.
Key Risk Factors
Health risk index: 11.8 (asthma 10%, diabetes 10.4%)
Estimated additional annual cost per homeowner: $2,660, driven primarily by sea_level
57.6% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Anne Arundel County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 19 violations. Past 5 years: 34 total (34 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,660
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
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
Remediation costs are relatively manageable for most homeowners in Anne Arundel County, representing a small fraction of property value.
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
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Anne Arundel County
8 community water systems serving Anne Arundel County.
- B
- B
- B
- B
- B
Show all 8 water systems
- B
- B
17 total water systems serve Anne Arundel County.
Systems with the most violations in Anne Arundel County
5 water systems with recorded EPA violations.
- B
- B
- B
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
Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.
- Best Lead Paint Test Kits — 57.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Anne Arundel County, Maryland
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
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.