Carports, concrete slabs, porches, driveways, swimming pools, new homes, gazebos, additions, electrical, plumbing, irrigation, a/c mechanical. When you intend to construct, enlarge, alter, repair, move, convert, improve, demolish, or change the use of building or structure. Cosmetic work such as painting, papering, tiling, carpeting, cabinets, countertops, or similar finish work does not require a permit.