San Miguel cover over 50 square miles in San Diego County and serves the communities of Bostonia, Casa de Oro, Crest, Grossmont/Mt. Helix, La Presa, Rancho San Diego, Spring Valley and the unincorporated areas of El Cajon and La Mesa.
To search an address and confirm whether or not it falls in our service area/jurisdiction, please use the mapping features at:
ReadySanDiego Wildfire Hazard Map
If you reside in our service area and want to know which Division you are in, click here.