In the City of Los Angeles, if the size of floor space exceeds 120 sq. ft. or the structure is over 12 feet in height, you need a permit. Any electrical work will require an electrical permit.
Most people know that new buildings, additions to existing structures, renovations, demolitions, and temporary buildings usually require building permits and inspections. Less obvious projects that may require a permit include installing a swimming pool, deck and patios/fire pits.
A building permit is required for all new construction including buildings, fences, sheds, decks, gazebos, pergolas, patios, sidewalks, driveways, irrigation systems, pools, and hot tubs. A building permit also is required for existing structures where the work to be done is regulated by a code.
Please note that a shed permit is required for any shed greater than 120 square feet. Also, any shed, no matter the dimension - including less than 120 square feet, must meet the City of Wheaton Zoning and Engineering laws outlined below.
To find out if you are in the unincorporated Cook County, please use the interactive mapping application COOKVIEWER. If you have any questions about the submittal requirements or cannot identify the jurisdiction of the subject property, please email info.bnz@cookcountyil for assistance.