The other nine feet above the 30-foot height limit consists of the thickness of the roof, a parapet, and an elevator bulkhead. Increased coastal height Increased RM 3-7 structure height limit No setback on Locust Reduced setback on Ingelow Encroachment element in side setback more than 30’ longClearly, the two incentives that matter the most are the ones about height limit. This reinforced that the 30-foot height limit, as enacted by a public vote, overriding any zoning height allowances within the designated 30-foot area. The 30-foot height limit applies to all zones that are within the area covered by that limit. But, the 30-foot height limit is not a zoning requirement, it is a law that supersedes all zoning within the area governed by that specific limit.