In Vancouver, WA, you must adhere to local zoning ordinances when constructing a fence. These typically regulate factors like fence height (commonly 6 feet in backyards and 4 feet in front yards), materials, and setback from the property line. It is also required to obtain a building permit for fences over certain heights (usually over 6 feet). Before construction begins, its imperative to have a clear understanding of your property boundaries—this may require hiring a professional surveyor if existing documentation or markers are unclear.