Construct Onto an Existing Dwelling

To Construct an Addition Onto an Existing Dwelling


If the addition will not contain a bedroom:
  • If there is not a Certified Soil Test and/or Sanitary Permit on file in this office, an onsite inspection may be required to locate the existing private sewage system
  • If a Certified Soil test and/or Sanitary Permit is on file in this office, a copy of the Certified Soil Test and Sanitary Permit must be attached to the Application for Land Use Permit. The following information is important if this office has to locate an existing Certified Soil Test and/or Sanitary Permit
    1. Soil test and/or system installation date - at a minimum the year of the test or installation
    2. The soil tester's and/or installing plumber's name
    3. The name of the property owner at the time the system was installed.If the dwelling, after the construction of an addition, will contain an additional bedroom and:
  • There is a Certified Soil Test and/or Sanitary Permit on file - an affidavit for the existing system must be provided by a Master Plumber or Master Plumber Restricted Service, a Certified Soil Tester, a Privately Owned Water Treatment System Inspector, or a septic pumper.
  • There is not a Certified Soil Test or Sanitary Permit on file or there are suspect soils and/or a suspect Certified Soil Test, the existing system must be inspected for size and condition by a Master Plumber or Master Plumber Restricted Service, a Certified Soil Tester, or a Privately Owned Water Treatment System Inspector and a system layout diagram must be provided to this office. In addition, a Certified Soil Test must be filed with this office based on a minimum of one boring adjacent to the existing soil absorption area.
  • If the dwelling, after the construction of an addition, will contain more than one additional bedroom
    1. The capacity of the existing system must be increased
    2. A new system must be installed
    3. A variance for the existing system must be obtained from the Department of Safety and Professionals.
Note: Any required system inspections must be performed in accordance with Safety and Professional Chapter 83 - Private Sewage Systems, Safety and Professional 83.055 (3).

Note: Refer to Sanitation Office Requirements for the Issue of Land Use Permits for additional information.