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Mendocino County Unincorporated
City Zoning Code

CHAPTER 20

170 - MOVEABLE TINY HOMES

Sec. 20.170.005 - Declaration.

The purpose of this Chapter is to provide regulations for the alternative housing type known as Moveable Tiny Homes, as defined in Chapter 20.008. This Chapter does not apply to recreational vehicles or travel trailers.

(Ord. No. 4538, § 44(Exh. A), 9-10-2024)

Sec. 20.170.010 - Permitted Locations.

Moveable Tiny Homes may be established as a single-family dwelling, accessory dwelling unit and/or second residential unit in all zoning districts that allow residential dwellings and/or accessory uses, subject to the limitations contained in this Chapter.

(Ord. No. 4538, § 44(Exh. A), 9-10-2024)

Sec. 20.170.015 - Development and Design Standards.

(A)

Development Standards.

(1)

Height. A Moveable Tiny Home shall have a maximum height of fourteen (14) feet when being towed, per California Vehicle Code section 35250.

Moveable Tiny Homes may exceed fourteen (14) feet in height when the Moveable Tiny Home is placed on a lot and is not being actively towed.

The overall height of a Moveable Tiny Home when it is in place and not mobile shall comply with the applicable standards for the zone in which the Moveable Tiny Home is located.

(2)

Setbacks. A Moveable Tiny Home shall comply with the development standards of the zoning district in which it is located. If the Moveable Tiny Home is used as an Accessory Dwelling Unit pursuant to Section 20.164.015(K) and Chapter 20.166, setback exceptions specified in Chapter 20.166 apply.

(3)

Minimum and Maximum Size.

(a)

Minimum size: one hundred fifty (150) gross square feet.

(b)

Maximum size: four hundred (400) gross square feet.

(4)

Number of Moveable Tiny Homes Allowed. The number of Moveable Tiny Homes permitted on a lot or parcel as a primary dwelling unit shall be in accordance with the standards of the zoning district in which the moveable tiny home(s) is located. Moveable Tiny Homes used as Accessory Dwelling Units or Second Residential Units shall not count toward maximum density, per the standards of this Code.

(5)

Parking. Moveable Tiny Homes shall be subject to the same parking requirements as other residential dwelling units or Accessory Dwelling Units.

(B)

Design. A Moveable Tiny Home shall maintain a residential appearance through the following design standards.

(1)

Skirting. The undercarriage, including wheels and axles, shall be hidden from view with a solid wood, metal, or concrete apron.

(2)

Structure and Insulation: Insulation standards shall be a minimum of R-13 in walls and floors and R-19 in ceiling. Wall framing studs shall be sixteen (16) to twenty-four (24) on center, with a minimum of two-by-four wood or metal studs or equivalent structural insulated panel (SIP) construction.

(3)

Foundation or Pad. An approved designated parking area of compacted all weather surface including bumper guards, curbs or other installations to prevent movement of the unit. A Moveable Tiny Home may rest on the wheels, or on stands anchored to the parking pad.

(4)

Materials. Materials for the exterior wall covering shall include material that would be allowed under the California Building Code.

(5)

Windows. Windows shall be double pane glass or better, labeled for building use, and be trimmed out.

(6)

Kitchen. A Moveable Tiny Home shall include at minimum an efficiency kitchen, as defined in Chapter 20.008. More extensive kitchen facilities may be installed but are not required.

(7)

Utility Connections. A Moveable Tiny Home shall be connected to an approved water source and waste disposal system as approved by the Division of Environmental Health. A Moveable Tiny Home may use on- or off-grid electricity and may use propane for heating and cooking. Generators are prohibited except when needed in emergencies. All Moveable Tiny Homes shall have a GFI shutoff breaker.

(Ord. No. 4538, § 44(Exh. A), 9-10-2024)

Sec. 20.170.020 - Applicable Codes.

(A)

Moveable Tiny Homes shall meet either the provisions of ANSI 119.5 or NFPA 1192. All units must be inspected and certified for compliance with the requirements of this ordinance and ANSI or NFPA codes by a qualified third-party inspector for ANSI compliance accredited pursuant to either the American Society for Testing and Materials Appendix E541, or ISO/IEC 17020. All Moveable Tiny Homes shall display a sticker or plaque designating the unit as in compliance.

(B)

Moveable Tiny Homes shall be licensed and registered with the California Department of Motor Vehicles.

(Ord. No. 4538, § 44(Exh. A), 9-10-2024)

Sec. 20.170.025 - Inspections Required for Tiny Homes.

The Building Official shall perform the following inspections when a Moveable Tiny Home is placed in a static location for use as a residential structure:

(A)

All utility connections shall be inspected for compliance with applicable codes.

(B)

The Building Official shall verify that a sticker or plaque verifying compliance with ANSI 119.5 or NFPA 1192 is in place.

(Ord. No. 4538, § 44(Exh. A), 9-10-2024)

Sec. 20.170.030 - Regular Fire Inspection Required.

Moveable Tiny Homes require an inspection by a qualified third-party inspector for continued compliance with the provisions of ANSI 119.5 or NFPA 1192 every five (5) years to ensure that the units continue to meet requirements of the fire safety standards of the ANSI or NFPA Code to which it was built and requirements of this section. Evidence of the inspection shall be submitted to the Department of Planning and Building Services.

(Ord. No. 4538, § 44(Exh. A), 9-10-2024)