Accessory Structures in Rocklin, CA (2026)
6 verified accessory structures rules for Rocklin, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
In the City of Rocklin, accessory dwelling units and junior accessory dwelling units are a permitted use in every zone that allows residences. One ADU is allowed per single-family lot, with placement, size, and height standards set in Chapter 17.67 of the Rocklin Municipal Code.
Rocklin Accessory Dwelling Unit Zoning Rules
Some RestrictionsRocklin Municipal Code § 17.67.030(A), (D)
A.Accessory dwelling units and junior accessory dwelling units shall be a permitted use in all zones where residences are a permitted or conditional use. ... D.One accessory dwelling unit may be allowed per residential lot containing an existing or proposed single-family residence. An accessory dwelling unit may be allowed in conjunction with a junior accessory dwelling unit when the requiremen...
ADU Impact Fees
In the City of Rocklin, no development impact fees apply to a junior accessory dwelling unit of 500 square feet or less, or a standard accessory dwelling unit of 750 square feet or less. Larger ADUs pay impact fees scaled to the primary dwelling's square footage.
Rocklin ADU Impact Fee Exemptions
Light RestrictionsRocklin Municipal Code § 17.67.060(E)
E.Impact Fees.1.No impact fees may be imposed on (1) a junior accessory dwelling unit that has five hundred square feet or less of interior livable space or (2) an accessory dwelling unit that has seven hundred fifty square feet or less of interior livable space. For purposes of this section, "impact fees" include the fees specified in Sections 66000 and 66477 of the Government Code, but do not...
ADU Owner Occupancy
In the City of Rocklin, a junior accessory dwelling unit requires that either the JADU or the primary residence be owner-occupied, recorded by covenant. A standard accessory dwelling unit carries no such owner-occupancy requirement at all.
Rocklin ADU and JADU Owner-Occupancy Rule
Light RestrictionsRocklin Municipal Code § 17.67.040(C)(4), (D)(4)
4.Either the junior accessory dwelling unit or the primary dwelling unit must be owner occupied, except if a junior accessory unit contains independent sanitation facilities, pursuant to Government Code Section 66333. ... 4.No owner-occupied requirement shall be imposed for any accessory dwelling.
ADU Rental Restrictions
In the City of Rocklin, neither an accessory dwelling unit nor a junior accessory dwelling unit may be sold separately from the main home, and neither may be rented for fewer than thirty consecutive calendar days, ruling out short-term or vacation rentals of ADUs.
Rocklin ADU 30-Day Minimum Rental Rule
Some RestrictionsRocklin Municipal Code § 17.67.040(C)(1)-(3), (D)(1)-(3)
1.Junior accessory dwelling units shall not be sold separately from the primary residence.2.Junior accessory dwelling units may be rented independently of the primary unit.3.Junior accessory dwelling units may not be rented for fewer than thirty consecutive calendar days. ... 1.Accessory dwelling units shall not be sold separately from the primary residence, except as otherwise allowed by Calif...
Shed & Carport Rules
Rocklin's accessory structure rule, Municipal Code Section 17.08.090, requires sheds and other accessory buildings in residential zones to sit behind or beside the main house, at least ten feet from it, and at least five feet from any interior side or rear property line.
Rocklin Sheds Need 5-Foot Setbacks From Lines
Some RestrictionsRocklin Municipal Code § 17.08.090
A.An accessory structure in any residential zone shall comply with the following:1.Said structures shall be located to the rear or side of the main dwelling unit, not less than ten feet there from.2.Said structures shall be a minimum of five feet from any interior side or rear property line and shall comply with the required front and street side yard setbacks as set forth in the applicable zon...
Garage Conversions
Converting a Rocklin garage into living space doesn't excuse a homeowner from replacing lost parking in most zones: Rocklin Municipal Code § 17.10.100(C) lets an older R1-5 home replace a converted garage with a carport, while accessory dwelling unit and junior accessory dwelling unit conversions are separately exempted from replacing that parking under Chapter 17.67.
Rocklin Garage Conversion Parking Requirements
Some RestrictionsRocklin Municipal Code §§ 17.10.100(C), 17.67.050(A)(9), 17.67.050(B)(11)(iii)
A.A single-family dwelling shall provide a garage at least twelve feet in width by twenty feet in depth.B.A driveway pad the width of the garage and at least twenty feet in length immediately contiguous to the garage opening shall also be provided.C.For a residence constructed prior to the adoption of this title, a carport is permitted if an existing garage is converted to living accommodations...
Looking for Placer County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rocklin city rules.
Accessory Structures in Placer County →