Accessory Structures in Yuba County, CA (2026)
6 rules for unincorporated Yuba County, California.
Verified from official government sources
ADU Rules
Unincorporated Yuba County allows detached accessory dwelling units up to 850 square feet for one bedroom or 1,200 square feet for more, capped at 16 feet in height, approved ministerially under state ADU law.
Yuba County ADU Size And Height
Some RestrictionsYuba County Code § 11.32.030(h)(1)
No minimum size, except as needed to conform with the requirements for an efficiency unit, as defined in the Building Code. A detached accessory dwelling unit shall not exceed 850 square feet for a one-bedroom unit or 1,200 square feet for an accessory dwelling unit that provides more than one bedroom. The living area includes all conditioned and unconditioned space in the detached accessory dw...
ADU Impact Fees
Unincorporated Yuba County charges no development impact fee on accessory dwelling units under 750 square feet, and prorates fees by size for larger ADUs, under Section 11.32.030(j)(11).
Yuba County ADU Impact Fee Waiver
Light RestrictionsYuba County Code § 11.32.030(j)(11)
Fees will be charged for the construction of accessory dwelling units, in accordance with Chapter 13.50 of the Yuba County Development Code and state law.a.The County, special district, or water corporation shall not impose any impact fee upon the development of an accessory dwelling unit less than 750 square feet.b.Any impact fees charged for an accessory dwelling unit of 750 square feet or mo...
ADU Owner Occupancy
In unincorporated Yuba County, the owner of a junior accessory dwelling unit's primary home must live on-site as a legal domicile, secured by a recorded deed restriction before any building permit issues.
Yuba County JADU Owner-Occupancy Rule
Some RestrictionsYuba County Code § 11.32.030(i)(8)a., (i)(8)c.
A person with legal or equitable title to the primary dwelling shall reside on the property in either the primary dwelling or junior accessory dwelling unit as that person's legal domicile and permanent residence.b.The owner occupancy requirement does not apply if the property is entirely owned by a governmental agency, land trust, or non-profit housing organization.c.Prior to issuance of a bui...
ADU Rental Restrictions
Accessory dwelling units built in unincorporated Yuba County after January 1, 2020 can't be rented for less than 30 days, and an ADU can never be sold or subdivided apart from the main house.
Yuba County ADU 30-Day Rental Ban
Some RestrictionsYuba County Code § 11.32.030(g)(2)
An accessory dwelling unit may be rented, but it shall not be offered for sale apart from the principal unit, nor shall the lot or parcel be subdivided to create a separate building site unless approved pursuant to the subdivision ordinance of this County. No accessory dwelling unit may be offered for rental terms of less than 30 days for accessory dwelling units permitted on or after January 1...
Shed & Carport Rules
In unincorporated Yuba County, a carport is legally an accessory structure and must meet the host zoning district's setback line: only tiny structures under 8 feet tall and 120 square feet skip the setback rule.
Carport Setbacks in Unincorporated Yuba County
Some RestrictionsYuba County Code § 11.19.030(c)(4)
Setbacks. Accessory structures shall meet the setback requirements established by the zoned district they are located in. Setback exemptions: ... one accessory structure less than eight feet in height and less than 120 square feet in area. ... Within the valley growth boundary no accessory structures shall be permitted within the front yard setback area with the exception of decks, patios, and ...
Garage Conversions
Unincorporated Yuba County bars converting a garage, carport, or other required parking space to living space or any other use unless the lost parking is replaced on-site to meet the Development Code's parking requirements.
Yuba County Garage Conversion Parking Rule
Significant RestrictionsYuba County Code § 11.25.030(e)
(e)Maintenance of required parking spaces. No garage, carport, or other designated parking area may be converted to another use unless the converted parking spaces are replaced with on-site parking that meets all requirements of this Chapter.
All Yuba County ordinances
See every category we cover for Yuba County: parking, noise, fences, fires, animals, pools, and more.
Yuba County Ordinance Hub →