21403 ZIP Code: Living in Annapolis, MD
Updated November 2026 · Data: U.S. Census Bureau, American Community Survey 2020–2024
ZIP code 21403 is in Anne Arundel County, Maryland, and covers Eastport, Hillsmere Shores, Bay Ridge and Annapolis Neck. The Annapolis Neck peninsula south of Spa Creek, with Eastport’s maritime district and many waterfront communities. About 32,681 people live in the 21403 ZIP code area.
21403 at a glance
Figures are Census estimates for ZIP Code Tabulation Area 21403, which closely follows the postal ZIP code. Estimates for smaller areas have wider margins of error.
What’s your 21403 home worth?
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Neighborhoods and communities in 21403
The 21403 ZIP code includes Eastport, Hillsmere Shores, Bay Ridge and Annapolis Neck. ZIP code lines don’t always match neighborhood or school boundaries, so confirm the details for any specific address.
Homes in 21403: what the housing looks like
Housing in 21403 is a mix led by single-family homes, along with apartments and condos. Most homes were built before 2000; about 12% date from 2000 or later. About 69% of occupied homes are lived in by their owners.
| Type of home | Share of homes in 21403 |
|---|---|
| Single-family detached | 52% |
| Townhomes and rowhomes (attached) | 17% |
| 2–4 unit buildings | 3% |
| Buildings with 5+ units (apartments, condos) | 28% |
Share of all housing units, ACS 2020–2024. 15,460 housing units in total.
Commuting from 21403
Workers living in 21403 average a 31.4-minute commute. About 20.5% work from home. Here is how far the center of the 21403 ZIP code is from major job centers and travel hubs. These are straight-line distances; drive times depend on route and traffic.
| Destination | Distance |
|---|---|
| Downtown Baltimore | 25 miles |
| Washington, D.C. | 30 miles |
| BWI Airport | 19 miles |
| Annapolis | 3 miles |
| Fort Meade | 18 miles |
| Columbia Town Center | 27 miles |
| Towson | 32 miles |
Living in Anne Arundel County: what to know
Annapolis is the county’s only incorporated city and has its own city taxes and services; the rest of Anne Arundel is governed by the county. With more than 500 miles of shoreline, many homes here are waterfront or water-privileged, which can bring critical area rules, pier permits and flood insurance questions.
Public schools in 21403 are run by Anne Arundel County Public Schools. Assignments go by street address, not ZIP code, so use the district’s school locator for a specific home. To compare schools, see the Maryland State Department of Education Report Card.
For taxes, commuting and lifestyle across the county, read our Anne Arundel County relocation guide. For parks and trails, see Anne Arundel County parks.
ZIP codes near 21403
Looking at homes in 21403?
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21403 ZIP code: frequently asked questions
What county is ZIP code 21403 in?
ZIP code 21403 is in Anne Arundel County, Maryland.
What neighborhoods are in the 21403 ZIP code?
The 21403 ZIP code includes Eastport, Hillsmere Shores, Bay Ridge and Annapolis Neck.
What is the median home value in 21403?
The median value of owner-occupied homes in 21403 is about $582,500, according to Census American Community Survey estimates for 2020–2024. Current asking prices can differ, so check active listings for today’s market.
How far is 21403 from Baltimore and Washington, D.C.?
The center of the 21403 ZIP code is about 25 miles from downtown Baltimore and 30 miles from Washington, D.C., in a straight line. Drive times vary with traffic.
Where can I see homes for sale in 21403?
You can see all current homes for sale in 21403 on GreatestMoves.com, our home search site, at https://www.greatestmoves.com/zip-codes/21403/.
Sources: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024 (tables DP03, DP04, DP05) for ZCTA 21403; U.S. Census Bureau TIGERweb ZCTA boundaries. Distances are calculated from the ZCTA’s internal point.