Retaining Wall Permit
A retaining wall permit is required for any wall supporting more than three feet of soil height, or any retaining wall loaded by surcharge loading from any of the following elements:
- vehicle traffic
- passive soil pressure loading from adjacent structures
- a sloping site
- passive soil pressures from an uphill retaining wall influencing the load on the downhill retaining wall (typically from a terraced wall design)
Considerations:
- Retaining Walll (PDF)- Does my wall require a permit?
- Submittal Requirements (PDF)- for walls on residential property
- Required Reviews
- Project Specific Information
- Grading and Site Drainage
- Outside Agency Reviews and Approvals
- Tree Preservation Requirements Under Municipal Code
- Engineering Calculations and Drawings
- Soils Report to Establish Design Parameters
- Civil Drawings Showing Site Slopes and Retaining Wall
- Parking Permits During Construction
- Special Inspection and Observation Requirements