R.M. Designs is a building design firm specializing in custom homes, additions/remodels, tenant improvements and interior design. Since 1989 R.M. Designs has produced over 2,000 realized projects in Southern California, providing complete full spectrum design and construction documents. We understand the importance of creative yet functional spaces, client’s tastes and budgets, and the proper execution of all design, engineering and construction disciplines to create a successful building project.