Land Development Office Locations
Septic System Program
Repair or Modification of Septic System
To obtain a construction permit to repair or modify an existing septic system, you will need the following:
- A certification of the existing septic system, signed by a Qualified Service Provider (QSP) registered with this Department.
- A plot plan, drawn to scale, showing:
- The location of the existing system
- The location of the proposed replacement components
- Any other information, such as nearby water wells, structures, and property lines that my affect where the septic system components can be located
- If the septic system is being modified due to construction, a floor plan drawn to scale of the dwellings or structures that the septic system will service.
New Septic System
In order to obtain a construction permit for the installation of a new septic system, a building permit is required from the local building and safety agency. You will also need:
- A percolation report, including 3 sets of detailed plans, signed by a Professional of Record (PR) registered with this Department. Here is a
- A floor plan, drawn to scale, of the dwellings or structures that the septic system will service.
- Documentation of water service, such as a will-serve letter or water bill. If an existing water well will be used to supply potable water, a well evaluation may be required. If a new well will be constructed, visit our
Submit a Land Use Application (OWTS Construction Application) along with supporting documentation and fees at the Downtown Riverside or Indio Office, depending on the location of your project. After submission and evaluation, additional information may be required.
In order to install a new septic system in Riverside County, a building permit is required from Building and Safety. You will also need:
- Contact Building and Safety for a building permit.
- Submit a Land Use Application along with supporting documentation and fees. Contact this Department for fees specific to your project.