Costa Mesa, CA
This is a family owned business, and all of the staff are young, friendly, and knowledgeable about their specialty area of RC hobbies. Among them there is a guy for RC helicopters, RC cars, RC trucks, RC jets, and RC airplanes. The store is always well stocked and ordering is fast. I have never seen so many remote control helicopters and jets out on display. In fact, no hobby shop that I have been to has so many RC jets and airplanes, and I've never seen the large scale ones up-close until I went here. HUGE jets with real jet engines that are LOUD.
Probably my favorite part about this shop is they manufactured their own line of RC LiPo batteries called Black Series that are on par with the best brands in the business like Thunder Power and Turnigy, but a fraction of the cost. They include a soldered connector with each battery too which is above and beyond.
Any part or service you need, especially quality servos, is right here.