KFSD is a radio station based in North County, San Diego, California. It is owned by Raul Caro and Stephen Beuerle, through licensee IHS Media, and is currently off the air. The station's studios are located in Carlsbad, while the transmitter is located in an industrial park in Escondido.

North County is a region in the northern area of San Diego County, California. It is the second-most populous region in the county, with an estimated population of 869,322. North County is well known for its affluence, especially in Encinitas, Carlsbad, Del Mar, Rancho Santa Fe, Poway and Solana Beach, where house prices range, on average, above $1,000,000. Cities along the 78 freeway have more mixed incomes.