Retrofit-on-Sale Plumbing Verification

Who can use this service?

Anyone selling a home in the Los Osos Groundwater Basin area or Nipomo Mesa Water Conservation Area is subject to the requirements of the Retrofit-on-Sale Program.

Is there a charge for this service?

The seller is responsible for the costs of any fixtures that need to be replaced prior to sale of the home.

What is the process?

Step 1: Submit Title 8: Retrofit Verification Form

Prior to transfer of title, a Title 8: Retrofit Verification Form must be submitted to the Department of Planning and Building. Parts 1 and 2 must be filled out correctly for the retrofit certificate to be issued.

Step 2: Verify Existing Plumbing Features

Please check the following: 

  • All retrofitted toilets must have a flow rate less than or equal to 1.6 gpf; all retrofitted showerheads must have a flow rate less than or equal to 2.0 gpm; and all retrofitted faucet aerators must have a flow rate equal to 1.0 gpm or less.  
  • If a property contains more than 2 bathrooms, a second Retrofit Verification Form must be submitted with the flow rates of the fixtures for each additional bathroom. 

Please refer to the table in the Fact Sheet (LNG-1026) for details on the replacement requirements.

Step 3: Have Either a Licensed Plumber or Home Inspector Sign

The Title 8: Retrofit Verification Form must be completed and signed by either a licensed plumber or home inspector.

Step 4: Submit Form

The form must be submitted to: [email protected]. Staff will review the information and provide the requestor with a Title 8: Retrofit Certificate via email.

When and where is this service offered?

This service is available throughout the year during regular business hours except during scheduled holidays.

Interactive Maps (Land Use View)

Our interactive Land Use View mapping application can be used to look up property information by assessor parcel number (APN), plan or permit number, or address.

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Online Services (CSS Portal)

The County of San Luis Obispo provides online services through Citizen Self Service (CSS) to request a building inspection, research construction permits and property information, and to pay fees.

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