Linda and Mike McWilliams are owners of San Pasqual Winery in La Mesa, one of nine urban wineries — and counting — in San Diego County. The couple had sought to buy a wine bar before the concept of urban wineries got their attention.

Linda and Mike McWilliams are owners of San Pasqual Winery in La Mesa, one of nine urban wineries — and counting — in San Diego County. The couple had sought to buy a wine bar before the concept of urban wineries got their attention. Photo by Melissa Jacobs.

Mike McWilliams was looking for small wine bar as a retirement business several years ago before he ended up buying something called an urban winery...