A.   Approval And Intent; Conditional Use Permit Required: The owners of a tract of land that complies with the minimum lot size of the zoning district in which it is located may construct a mobile or manufactured home park thereon, upon compliance with regulations and restrictions, as herein set forth, and after approval of a conditional use permit for such mobile or manufactured home park by the Planning Commission. The intent of this provision is to provide areas where mobile and manufactured home parks can be properly developed without adversely affecting surrounding residential areas. (Ord. 18-365, 6-11-2018)

   B.   Conditions For Approval: Before a permit shall be issued for a mobile or manufactured home park, the developer shall perform all of the steps as outlined herein.

   C.   Standards And Requirements: The developer of a mobile or manufactured home park shall conform to the following standards and requirements:

      1.   Ownership: The area shall be in one ownership, or, if in several ownerships, the application for the approval of the mobile or manufactured home park shall be filed jointly by all owners of the property included in the plan.

      2.   Dimensions Of Spaces: The minimum dimensions of a mobile or manufactured home park space shall be fifty feet (50') wide and one hundred feet (100') deep. The maximum density shall be eight (8) dwelling units per acre.

      3.   Recreation Area: Not less than ten percent (10%) of the gross area of the mobile or manufactured home park shall be set aside as playground, or recreational area for the joint use of occupants. Ten percent (10%) of the lot area shall be set aside for recreational vehicle, boat and miscellaneous equipment storage. Parking for two (2) vehicles shall be made available at each space, with visitor parking provided at convenient locations at the rate of one parking space per three (3) manufactured or mobile home park spaces. The remaining land not contained in individual lots, roads or parking shall be set aside for the common use and enjoyment of the occupants of the development and visitors thereto.

      4.   Distance Between Homes: No mobile or manufactured home or add-on shall be located closer than fifteen feet (15') from the nearest portion of any other mobile or manufactured home or add-on.

      5.   Landscaped Areas: All area not covered by mobile or manufactured homes, hard surfacing, buildings, off street parking space or driveways shall be planted in trees, lawns and shrubs, or otherwise landscaped.

      6.   Landscape Strip; Screening: A strip of land at least fifteen feet (15') wide on the sides, and thirty feet (30') in the front and rear of the mobile or manufactured home park shall be left unoccupied by mobile or manufactured homes, and shall be planted and maintained in lawns, shrubs and trees designed to afford privacy to the development and shall be maintained as such and shall not be used as parking space. A six foot (6') chainlink or other approved fence around the mobile or manufactured home park shall also be required, along noncompatible uses. Screening may be required by the Planning Commission.

      7.   Receptacles: All storage and waste receptacles outside of the confines of the mobile or manufactured home must be housed in a closed structure or closed container.

      8.   Roadways: Roadways shall be connected to an improved County road of adequate width and surface to accommodate anticipated traffic.

      9.   Access: Access shall be provided to each mobile or manufactured home stand by means of an accessway preserved for maneuvering mobile or manufactured homes into position. Interior park roadways shall have a minimum width of thirty feet (30') if on street parking is allowed and twenty feet (20') if no on street parking is allowed and at least two (2) paved parking spaces are provided on each space. Roadways shall otherwise be designed to meet County standards.

      10.   Prohibited Vehicles: Travel trailers and recreational vehicles shall not be located in mobile home parks, except in storage areas.

      11.   Additions: Any addition or appendage shall be comparable to and in excellence of quality, construction and workmanship as required by the County Building Code applicable to the main structure. It is unlawful to construct any addition or appendage without first obtaining a building permit from the building official.

      12.   Utilities: Utility lines and equipment shall be located underground and constructed in conformity with good engineering and construction practices, and shall be in compliance with all applicable laws, ordinances or codes of the State.

      13.   Guarantees: No occupancy of a manufactured or mobile home within the park will be allowed until all required improvements are completed, inspected and approved. Guarantees, in the form of bonds, irrevocable letters of credit, escrow accounts or other approved means may be provided to guarantee construction of improvements other than roads and utility facilities after occupancy is allowed.

      14.   Business License Required: Prerequisite to the operation of any mobile or manufactured home park in the County shall be the obtaining of an annual business license. Said license shall be refused or revoked upon failure of the owner and/or operator to maintain the park in accordance with the standards and requirements as herein set forth.

      15.   Health Department Approval: Plans for manufactured or mobile home parks shall be provided to the Tri-County Health Department for review and approval prior to construction.

      16.   Code Compliance: In addition to meeting the above requirements and conforming to the other laws of the County, all mobile and manufactured home parks shall also conform to requirements set forth in the Code of Camp, Trailer Court, Hotel, Motel and Resort Sanitation Regulations adopted by the State Board of Health, and to the Fire Prevention Code, which codes are adopted by reference, and all restrictions, regulations, and notations contained therein shall be made a part of this title and title 9 of this Code, as if fully set forth herein.

      17.   Site Plan: A site plan shall be prepared in conformance with the standards, rules and regulations contained herein; and nine (9) eleven inch by fourteen inch (11" x 14") copies and one (1) twenty four inch by thirty six inch (24" x 36") copy (see section 9-4-3 of this Code) thereof shall be submitted to the Planning Office for approval or disapproval. The site plan and accompanying information shall be submitted to the Planning Office at least twenty one (21) days prior to a regularly scheduled Planning Commission meeting in order to be considered at said meeting. (1998 Code § 17.60.010)

Recreational vehicle parks shall be conditionally permitted only after a determination that the following standards are met: (1998 Code § 17.60.020; amd. 2010 Code)

   A.   Size: Recreational vehicle parks shall be located on a lot or parcel that complies with the minimum lot size of the zoning district in which it is located. (Ord. 18-365, 6-11-2018)

   B.   Prohibited Homes: Mobile and manufactured homes, as defined in section 8-2-1 of this title, shall not be allowed in recreational vehicle parks.

   C.   Entrances: No entrance from the recreational vehicle park shall create undue hazard or hardship on a residential development, and no entrance shall be located closer than one hundred fifty feet (150') from the intersection of two (2) streets.

   D.   Setback; Screening: All recreational vehicles shall be set back at least fifty feet (50') from any public right-of-way. Park boundaries are to be screened with fencing and/or vegetation at least six feet (6') in height.

   E.   Roadways; Lighting: All interior park roadways shall be at least fifteen feet (15') in width for one-way traffic and at least twenty four feet (24') in width for two-way traffic. All road construction is to conform to the standard road specifications of the County. Outdoor lighting shall be required along said roads.

   F.   Open Areas: All areas within the court park not intended as roadways shall be landscaped and maintained with lawns, trees and shrubs designed to provide privacy and noise containment. Exceptions include, but are not limited to, one required hard surface parking space per recreational vehicle space, restroom facilities, manager's office, solid waste facilities and recreational buildings. (1998 Code § 17.60.020)

   G.   Dimensions Of Spaces: Each recreational vehicle space shall be at least thirty five feet (35') in width and at least sixty feet (60') in length. No recreational vehicle or add-on shall be located closer than fifteen feet (15') from any other recreational vehicle or add-on. (1998 Code § 17.60.020; amd. 2010 Code)

   H.   Density; Water And Sewer: Density shall conform to the zone in which the development is situated. State approved common water system and state approved common sewerage system (septic or otherwise) are mandatory for a recreational vehicle park. No other density or water/sewerage systems proposals are acceptable. Clustering of recreational unit spaces is permissible. For the purposes of this title and title 9 of this code, when calculating the number of units for a development for density purposes, recreational vehicles shall be calculated as eight (8) recreational vehicles per one dwelling unit.

   I.   Business License Required: Prerequisite to operation of any recreational vehicle park in the county shall be the obtaining of a business license. The license is issued only after inspection by the building official. It is unlawful to operate a travel trailer court recreational vehicle park without first obtaining a license, and said license shall be refused or revoked upon failure of the owner and/or operator to maintain the park in accordance with the standards and requirements of the county. (1998 Code § 17.60.020)

   J.   Code Compliance: In addition to meeting the above requirements, all recreational vehicle parks shall conform to the requirements set forth in the code of camp, trailer court, hotel, motel and resort sanitation requirements, as adopted by the state board of health. Plans for recreational vehicle parks shall be provided to the Tri-County health department for review and approval prior to construction. (1998 Code § 17.60.020; amd. 2010 Code)

   K.   Site Plan: A site plan (see requirements in section 9-4-3 of this code) is necessary for the planning commission to determine that all requirements of this title are met. (1998 Code § 17.60.020)

   A.   Storage, Use Of Recreational Vehicles: Nothing in this chapter shall be interpreted to prohibit storage of a recreational vehicle when not in use on property of the owner, so long as not utilized for housekeeping, living or sleeping purposes (an exception is allowed for bona fide guest usage not to exceed 30 days). Recreational vehicles shall not be stored on property so as to obstruct the view of traffic, or to create a nuisance for adjoining property owners.

   B.   Setback From Public Streets: All recreational vehicles shall be stored at least fifteen feet (15') back from any public street in any residential zone.

   C.   Additions: Any addition or appendage shall be comparable to and in excellence of quality, construction and workmanship as required by the county building code applicable to the main structure. It is unlawful to construct any addition or appendage without first obtaining a building permit from the building official.

   D.   Existing Nonconforming Uses: Existing recreational vehicle parks not in compliance with this title and title 9 of this code shall constitute a nonconforming use, but shall be subject to health and sanitary requirements, as provided in this chapter. (1998 Code § 17.60.030; amd. 2010 Code)

For the purposes of this title and title 9 of this code, manufactured and mobile homes shall be limited to use as a single-family dwelling unit and be classified into the following four (4) classes:

   A.   Class A: New manufactured homes certified as meeting the national mobile home construction and safety standards act of 1974 (effective June 15, 1976) of the U.S. department of housing and urban development (HUD).

   B.   Class B: An unaltered, undamaged, used manufactured home certified as meeting the federal (HUD) standards specified in subsection A of this section and continuing to be in a condition safe and fit for residential occupancy as determined by the Duchesne County building official.

   C.   Class C: A used manufactured or mobile home, not certified as meeting the June 15, 1976 HUD code due to construction before that date or due to removal of the HUD data plates.

   D.   Class D: Manufactured or mobile homes new or used which have been damaged as a result of neglect, fire, weather or road transporting, or altered or modified as a result of the above or at the choice of owners. Units which contain aluminum branch circuit and units which were not manufactured to meet previous minimum codes and as a result thereof are now determined to be unsafe, unsanitary or hazardous for occupancy. (1998 Code § 17.60.040; amd. Ord. 22-398, 6-11-2022)

   A.   Recreational Vehicles: It is unlawful to place any recreational vehicle on any lot or parcel of land in the County and to use the same as a primary residence, except when located in an approved recreational vehicle park. An exception may be granted by the Community Development Administrator when the occupancy of a recreational vehicle is for not more than one year, is associated with a valid building permit for the construction of a permanent dwelling and appropriate water and wastewater facilities are provided. (Ord. 18-365, 6-11-2018)

   B.   Manufactured Homes: It is unlawful to place a manufactured home on any lot or parcel of land in the County or within an existing or proposed mobile home park, except in compliance with the following:

      1.   When a Class A or B manufactured home is temporarily located on a lot for which a building permit has been issued, and a building is being constructed, and the home is connected to approved water and sewer facilities, but not to exceed one year; or

      2.   When placed on a lot that complies with all of the regulations of the zone in which the manufactured home is located, provided:

         a.   Residential dwellings are a permitted use in the zone, and the manufactured home is connected to an approved water supply and domestic wastewater disposal system;

         b.   The manufactured home is placed on a permanent foundation and is skirted with brick, masonry or other construction materials permitted by the applicable building code;

         c.   The running gear and hitch shall be removed;

         d.   The manufactured home is entered on the tax rolls of the County as real property, as evidenced by a letter or other proof from the County Assessor;

         e.   The roof shall be designed and constructed to meet the snow load requirements for the given area or a freestanding structure (ramada) is designed and constructed pursuant to a valid building permit;

         f.   Exterior siding material shall be nonreflective and be similar to conventional house type siding material;

         g.   The unit must be classified as either a Class A or B manufactured home. Class C and D manufactured and mobile homes are not allowed to be installed or occupied in areas under County zoning jurisdiction, including within existing or proposed mobile home parks. (1998 Code § 17.60.050; amd. Ord. 22-398, 6-11-2022)