The Old Spaghetti Factory

The Old Spaghetti Factory is a beloved Italian restaurant located at 111 N Twin Oaks Valley Rd in San Marcos, CA. Known for its great value and generous portions, it draws diners from across the San Diego area for classic comfort-driven Italian cuisine. The space has a distinctive, characterful decor that regulars find as memorable as the food itself. Guests frequently return for crowd favorites like the Mizithra cheese and browned butter pasta and the white clam sauce. The warm, welcoming atmosphere suits both family dinners and laid-back date nights.