Oops! Something went wrong while submitting the form.
Browse ADU Plans
Note that Rancho Santa Margarita has not pre-reviewed or selected ADU plans. The plans featured on this page are offered by ADU suppliers in Rancho Santa Margarita.
If you represent this Jurisdiction, you can Claim This Page to add plans.
Good news! These plans have been selected by Rancho Santa Margarita so you can be assured that the designs can be permitted.