The San Diego National Wildlife Refuge staff office is located on the Rancho Jamul Ecological Reserve, managed by the California Department of Fish & Wildlife. The office is not open to the public, however there are volunteer events frequently organized there. Here is the contact information for the San Diego National Wildlife Refuge.

14715 Highway 94/PO Box 746
Jamul, CA 91935
Complex Headquarters' number 619-221-3473
Refuge Manager cell phone:  619-385-1190