Do I need a permit for a concrete retaining wall in Orinda?
Yes, a retaining wall taller than 3 feet needs a building permit in Orinda. The city also limits walls to 4 feet within 10 feet of any property line or inside the required yard setback, whichever is greater, and to 8 feet elsewhere, as the city's permit FAQ explains, so on a steep lot two shorter walls sometimes work better than one tall one. I'll walk the slope with you and say plainly when the design belongs with an engineer.





