- Arcadia
- Argonne Hills
- Armiger
- Arrowhead Farms Estates
- Arundel Acres
- Arundel Beach
- Arundel Gardens
- Arundel Hills
- Arundel Mobile Village
- Arundel on the Bay
- Arundel View
- Ashcroft
- Ashley
- Aspen Park
- Atlantis
- Augusta Acres
- Aurora Hills
- Autumn Chase at Riva Trace
- Avalon Shores
- Avila
- Aspen Hill
- Academy Acres
- Academy Heights
- Academy Lane
- Adil Meadows
- Aero Acres
- Albantown
- Allyson Gardens
- Anneslie
- Anton North