San Marcos Areas
- Arbor Ranch
- Barham Discovery Community
- Borden
- Casitas del Amigos
- Coronado Hills
- Crestview
- Discovery Hills
- Discovery Meadows
- Elfin Forest
- Foothills of San Marcos
- Grand Estates
- Harmony Grove
- Knob Hill
- La Costa Meadows
- Lake San Marcos
- Lakeview Estates
- Las Posas
- Mira Lago
- Mission Grove
- Montiel
- Old Creek Ranch
- Paloma
- Palomar Estates
- Questhaven
- Rancho Coronado
- Rancho Dorado
- Rancho Santa Fe Hills
- Rancho Tesoro
- Rancho Vallecitos
- Richland
- Richland Villas
- Richmar
- Sage Canyon
- San Elijo Hills
- San Marcos Highlands
- San Marcos North
- San Marcos Southwest
- San Marcos West
- Santa Fe Hills
- Southern Preserve
- Sunset Park
- Twin Oaks Valley
- University Commons
- Vallecitos
- Village O
- Village Square
- Vineyard