Sacramento County Zoning Code § 906-07 Standards

A. All new or substantially improved manufactured homes that are placed on a foundation at a site located outside of a manufactured home park and within a special flood hazard area or local flood hazard area shall be constructed per Section 906-02 and be anchored in accordance with Section 906-05(A).
B. All new manufactured home parks or subdivisions or expansion of existing parks or subdivisions shall be constructed such that the concrete home pads are at least one foot above the base flood elevation.
C. All manufactured homes to be placed or substantially improved on sites in an existing manufactured home park or subdivision within a special flood hazard area or local flood hazard area except as otherwise provided in this section or by other standards required by the State regulators of manufactured home parks will be securely fastened to an adequately anchored foundation system to resist flotation, collapse, and lateral movement, and be elevated so that either:
1. The lowest floor of the manufactured home is 1.5 feet above the base flood elevation.
2. The manufactured home chassis is supported by reinforced piers or other foundation elements of at least equivalent strength that are no less than 36 inches in height above grade.
D. On a pad or space in a manufactured home park at which a manufactured home has incurred substantial damage caused by floodwater, the repaired home and all subsequently placed homes must be elevated at least 1.5 feet above the base flood elevation on a secure and anchored foundation.
E. Upon the completion of an installation described in (A) through (C) above, the elevation of the lowest floor shall be certified by a registered professional engineer or surveyor and verified by the community building-inspector to be properly elevated. Such certification and verification shall be provided to the Floodplain Administrator.