Any project that affects the exterior of a home in Beachwood has to be approved by the architectural review board. At a minimum a set of drawings are required to lay out the extent of the project.
Building & Zoning
Any project that is approved through the ARB will require a permit obtained through the building department of Beachwood. The full building process for Beachwood is outlined here.
Building Code
Here is a link to the building code for Beachwood. All the rules are here that govern home building and renovation in the Beachwood area and must be followed by designer and contractor.