What we do
Making our mark on the industry
Founded in 1978, Mark's Audio Video was formerly known as Mark's Auto Sound of San Gabriel, California. We Hold a California Contractor's C-7 and C-10 license, #824127. Specializing in home theater, vehicle, marine and RV audio and video installation, we're a jack-of-all-trades. Custom fabrication, in-car video, you name it.