Retaining Walls: Moreno Valley vs Temecula

Retaining walls over 4 feet in height measured from the bottom of the footing to the top of the wall require a building permit and engineered plans in Moreno Valley. Walls supporting a surcharge such as a driveway or structure above require a permit at any height. Setback and drainage rules apply.

Retaining walls over 4 feet (measured from bottom of footing to top of wall) require a building permit and engineered plans in Temecula. Walls supporting surcharge loads (driveways, structures, slopes) require engineering at any height. Hillside lots in Wine Country foothills and Redhawk often need significant grading review.