Property line disputes are disagreements between neighbors about the location of their property line and whether structures have been built on or over that line. While we do not become involved in private disputes, our land use and building codes do regulate where you can build a structure, such as a shed or deck on your property. Our Land Use Code also has rules about the space required between structures and the property line (called setbacks).
We cannot become involved in private civil disputes between neighbors. If you believe your neighbor has built something that crosses your property line, you may need to obtain a survey and legal advice to resolve the dispute.
Our codes require that you:
Read more about building near your property line in the Seattle Municipal Code (SMC) and the Seattle Residential Code (SRC).
Our penalty for a first-time violation of the rules about structures in yards is $150. Our penalty for additional violations is $500. You may also have to pay inspection charges. Our penalties for building without a permit start at $500 per day.