San Diego's Mexican cooking is too broad for a ranking built around fame,
review volume, or one iconic order. This list covers full meals: regional
guisados, birria, lamb barbacoa, Oaxacan mole, mariscos, neighborhood comfort
food, and contemporary Baja fine dining. Taco shops appear only when their
complete menu makes a citywide restaurant case.
The order uses a locked rubric: food counts for 30%, current exact-location
consistency 20%, fit for this broad restaurant question 20%, distinctiveness
10%, value 10%, hospitality 5%, and logistics 5%. Review count adds no points.
Both Google and Yelp are attempted directly, and one exact rating-and-count pair
is the minimum. Multi-location brands can rank, but number one belongs to the
highest-scoring eligible independent. Equal totals resolve by food, consistency,
distinctiveness, independent status, then value.
That broad intent matters. The taco ranking
rewards a single format more heavily; the burrito ranking
and California burrito guide
handle wrapped specialties; the fish taco ranking
judges fish cookery and structure; and the mariscos guide
goes deeper on ceviche, aguachile, and seafood programs. For a place-based plan,
start with the City Heights guide,
Barrio Logan guide, or
Chula Vista guide.