Building a Retaining Wall
Retaining walls are required to have a building permit if the height of the wall exceeds 4 feet. Please gather the construction documentation specified below and submit a building permit application and an owner/contractor affidavit.
Many factors affect the speed with which your application(s) are approved. For best results, it is critical that you carefully review your application and design documents prior to submission to ensure that all necessary documents are included and that the design is compliant with county code. Normally, permits can be issued within 10-15 business days if the application is complete, accurate, and code-compliant.
Construction Document Requirements
Submitted documents must contain sufficient information for the plan reviewer to be able to review the proposed construction.
- ___ Three (3) plot plans of the entire parcel – drawn to scale – to include:
- ___ Location of the proposed retaining wall
- ___ Measurements from the proposed retaining wall to each property line
- ___ Location of any existing structures
- ___ Location of and distance from the existing/proposed well and/or septic area
- ___ Road name
- ___ Two (2) complete sets of detailed construction plans – drawn to scale – to include:
- ___ Footing detail indicating size and depth
- ___ Elevation to include reinforcement details
- ___ Engineered plans may be required
- ___ For pre-engineered walls system the manufacturers installation instructions can be provided during the inspection process
Note: Barriers on top of the retaining wall may be required
Your retaining wall will require a series of inspections throughout the building process. At a minimum, your retaining wall will require the following:
- Backfill, geo-grid installation and drainage system
Electrical and Plumbing Inspections (if applicable)
Please see RowE of the building permit fee schedule.