If you are remodeling and have an On-Site Sewage Facility (OSSF a.k.a. Septic System) you will need to receive approval from Austin Water before you can be issued a building permit by Austin's Planning Development and Review Department.
Depending on the remodeling project, you may need additional OSSF permits or may need to amend your existing OSSF license.
How do you know what type of OSSF review is needed?
The following links will provide you with easy to follow decision flowcharts. These flowcharts will show you the type of review needed based on your type of remodeling. Please select the appropriate decision flowchart.