List of Denny's Stores in Sylmar, CA Outlet Note Regular Brands Denny's California Sylmar Rating 4.8 based on 89 votes Products Fast Food Restaurant Pancake House Coffee Shop Steakhouse NameAddressPhone Name/Address/Phone Denny's outlet - Sylmar 12861 Encinitas Ave (818) 367-8777 Denny's outlet - Sylmar 13201 Gladstone Ave (818) 833-7808 People Also Viewed