First, they are no longer at 9 Del Fino Place - they are a couple of blocks away on Carmel Valley Road. The picture of the restaurant is correct, though.
The PL has been in the Valley since the early 50s, I believe. It was run by several generations of the Diaz family until it was sold a few years ago.
The new owners have greatly improved the quality and variety of the food. While described as a Mexican restaurant, it is more Hispanic with a Salvadoran influence. Full bar, great home made margaritas, great food, good service, and regular low key entertainment.
Been there 8 or 9 times and never disappointed. Staged a speical event there and it went off without a hitch.
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