Dream Design Builders Custom Home Renovation San Diego Dream Design Builders. Definitely Different. Dream Design Builders is a San Diego home remodeling firm, an experienced and committed general contractor focused to suit your needs. Located in Rancho Bernardo, we have worked with many satisfied homeowners in every corner of San Diego – from North County coastal to inland San Diego. Since 1987, Jay Riordan has taken homeowners’ satisfaction very seriously, and with his influence, Dream Design Builders has won several awards throughout the area as a San Diego construction company and remodeling contractor. Due to their efforts, Remodeling Magazine named Dream Design as one of the prestigious Big 50 remodeling firms in the country.