FAQs • Placer County, CA • CivicEngage

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If the ADU is detached and built later?

Lot cannot be split

No connection fees, but still charged 0.714 EDUs for O&M and usual inspection fees.
Additional O&M fees apply for STEP system maintenance if a STEP system is required on the parcel.

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Community Development Resource Agency - ADU - Env Eng (Public Sewer)

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1. If the ADU is detached and built at same time as the primary unit?: Charge SFD connection fees and all fees for ADU’s at 0.714 EDUs.

2. If the ADU is attached and built at same time as the primary unit?: No additional charges, no connection fees, no O&M fees. If the property is on a STEP system see STEP information below.

3. If the ADU is detached and built later?

Lot cannot be split

No connection fees, but still charged 0.714 EDUs for O&M and usual inspection fees.
Additional O&M fees apply for STEP system maintenance if a STEP system is required on the parcel.

4. If the ADU is detached on a splittable lot?

Lot can be split and ADU is situated on portion that can be a separate lot

Standard Connection fees apply to the SFD and the ADU fees at 0.714 EDUs
The ADU shall have its own connection point.
If the applicant chooses to split the lot, the applicant is required to pay the remaining balance for full connection fees and the balance of O&M fees.

5. Septic Tank Effluent Pump (STEP) Systems – Existing SFD and New ADU: Applicants proposing an ADU or JADU are required to upsize the existing STEP system to meet current standards at the applicants expense.

6. Detached on a splittable lot, STEP systems – New or Existing SFD and New ADU: If there is sufficient room between the primary home and the ADU for a future parcel split, the applicant is required to install a second STEP system and connection point.