What is a building setback?
A “building setback” is a line parallel to a property line which limits how close to the edge of the property a structure can be built. All setbacks are measured inward from all property boundaries. Certain building projections, such as porches, eaves, bay windows, and fireplaces, may be allowed to encroach a few feet into required setbacks. • How do I determine where my property lines are? A property line is invisible. A street curb or sidewalk edge are usually not the true location of a residential property line. Measuring half the distance of the known right-of-way width of a street from the centerline of that street towards yours house can provide the approximate position of your front property line, provided the street is centered within its right-of-way. A so-called “property line fence” is usually very close to the true location of a side or rear property line. Call the Public Works Department at (650) 259-2339 to find out the right-of-way width of your street. However, the best
