GOP presidential contender Mitt Romney, scheduled to attend a series of fundraisers this weekend in San Diego, is also working on plans to nearly quadruple the size of his $12 million oceanfront manse in La Jolla.

Romney has filed an application with the city to bulldoze his 3,009-square-foot, single-story home at 311 Dunemere Dr. and replace it with a two-story, 11,062-square-foot structure. No date has been set to consider the proposed coastal development and site development permits, which must be approved by the city.