- Birds Corner
- Blackbird
- Blackbird Landing
- Blue Ball
- Blue Rock Manor
- Bon Ayre
- Boulder Brook
- Boxwood
- Boyds Corner
- Brackenville
- Brackenville Woods
- Brandon
- Brandywine
- Brandywine Commons
- Brandywine Estates
- Brandywine Forge
- Brandywine Hills
- Brandywine Perry Park
- Brandywine Springs
- Brandywine Springs Manor
- Brandywood
- Bread and Cheese Island
- Breezewood II
- Brick Store
- Bridleshire Farms
- Bristle Knoll
- Brookhaven
- Brookhill Farms
- Brookmeade
- Brookmont Farms