Chapter 30.42E


30.42E.010    Purpose and applicability.

30.42E.020    Mobile home parks - procedure.

30.42E.030    Additional submittal requirements.

30.42E.040    Official site plan.

30.42E.100    Design standards - mobile home parks.

30.42E.110    Binding site plan (BSP).

30.42E.120    Revisions to approved official site plans.

30.42E.130    Review or revocation of approval.

30.42E.010 Purpose and applicability.

This chapter contains the standards and regulations used as a basis in establishing a mobile home park. The use matrices found in chapter 30.22 SCC show which zones allow a mobile home park. For individual mobile home permits see chapter 30.54A SCC.

(Added Amended Ord. 02-064, December 9, 2002, Eff date February 1, 2003)

30.42E.020 Mobile home parks - procedure.

The hearing examiner may approve, approve with conditions, or deny a conditional use permit application for a mobile home park pursuant to this chapter. The requirements of this chapter are in addition to those contained in chapter 30.42C SCC. The decision process is a Type 2 process as set forth in chapter 30.72 SCC. Applications shall be made according to the submittal requirements checklist provided by the department pursuant to SCC 30.70.030. Property owners may choose to divide the mobile park land in accordance with chapter 30.41D SCC.

(Added Amended Ord. 02-064, December 9, 2002, Eff date February 1, 2003)

30.42E.030 Additional submittal requirements.

Additional submittal requirements shall include the following:

(1) Overall site development plan showing location of all mobile home pads, buildings and uses, areas devoted to open space and buffering, ingress and egress points, and internal pedestrian and vehicular circulation. Such plans shall include at least the following:

(a) Project staging and expected completion time;

(b) Location, width, and typical cross-sections of internal circulation streets;

(c) Dimensions and areas of the mobile home park;

(d) Location and size of all mobile home pads;

(e) Location and size of all parking and bulk storage areas;

(f) Location and size of open space areas required by SCC 30.42E.110; and

(g) Existing and proposed topography at contour intervals of no more than five feet;

(2) Storm drainage study with plans showing existing vegetation, slopes, and drainage conditions, as well as proposed alterations and drainage control devices;

(3) General landscape plans showing location of buffer strips, open spaces, existing trees, and plant materials to be preserved, proposed interior major tree plantings, berms, and other landscape features. Detailed landscape plans must be submitted to and approved by the department prior to initial site work; and

(4) Other maps, plans, or documentation as deemed necessary by the department or the hearing examiner in order to effectively evaluate the impact of the proposal.

(Added Amended Ord. 02-064, December 9, 2002, Eff date February 1, 2003)

30.42E.040 Official site plan.

The site plan, as approved by the hearing examiner, shall become the official site plan of the mobile home park. In order to ensure development and maintenance as per the approved plan, security devices shall be required in accordance with chapter 30.84 SCC.

(Added Amended Ord. 02-064, December 9, 2002, Eff date February 1, 2003; Amended by Amended Ord. 10-086, Oct. 20, 2010, Eff date Nov. 4, 2010)

30.42E.100 Design standards - mobile home parks.

In granting conditional use permits for mobile home parks, the following regulations shall apply, except when more restrictive conditions are imposed by the hearing examiner:

(1) Minimum site size shall be five acres and density shall be a minimum of four dwelling units per net acre pursuant to SCC 30.23.020 and a maximum of eight dwelling units per gross acre;

(2) Evidence of water and sewer facilities. The developer shall present evidence to indicate the following:

(a) That the proposed development will have an adequate public water supply meeting applicable state and local requirements;

(b) That the proposed mobile home park will be served by a fire protection system meeting the requirements of the Snohomish County fire marshal; and

(c) That the proposed mobile home park will be immediately served by a sanitary sewer system and that connection to such sewers is feasible. Alternate devices or methods may be used if they have received prior approval from the state Department of Social and Health Services and the Snohomish Health District in accordance with the procedure established in WAC 246-272-04001;

(3) Flood hazard. Mobile home park sites shall not be approved if the site is located within a designated 100-year floodplain;

(4) Circulation system.

(a) All interior mobile home park roads shall be private roads.

(b) All interior mobile home park roads shall be constructed within a tract or easement which shall extend at least two feet beyond the paved surface but which shall, in no case, be less than 30 feet in width.

(c) Park roads shall have widths and surfacing as follows:

(i) park roads shall have a minimum paved width of 20 feet. One-way roads shall have a minimum 12-foot travel lane and an eight-foot parking lane. Two-way roads shall have a minimum of two 10-foot travel lanes and may have eight-foot parking lane(s); and

(ii) park roads shall have surfacing depths as proposed by a licensed engineer and approved by the department.

(d) Cul-de-sac turnarounds shall have a minimum pavement width of 40 feet and a minimum diameter of 80 feet, exclusive of any parking lanes or areas;

(5) Bulk requirements.

(a) Setbacks. All mobile homes, together with their additions and appurtenant structures, accessory structures, and other structures on the site (excluding fences), shall observe the following setbacks (excluding any hitch or towing fixture):

(i) park roads - 15 feet from centerline of tract or easement, but in no case less than five feet from the paved surfaced edge.

(ii) exterior site boundary, not abutting an off-site public or private right-of-way - 15 feet from property line.

(iii) exterior site boundary, abutting an off-site public right-of-way or private road less than 60 feet in width - 50 feet from centerline of right-of-way.

(iv) exterior site boundary, abutting an off-site public right-of-way or private road 60 feet or more in width - one-half right-of-way plus 20 feet measured from centerline.

(b) Structure separations. A minimum 10-foot separation shall be maintained between all mobile homes, including their habitable additions. One-hour fire resistant structures may abut the unit they serve and shall maintain a minimum three-foot separation from adjacent mobile homes. Structures that are not fire resistant shall maintain a minimum six-foot separation from all other structures and mobile homes, except that carports may abut the unit they serve;

(6) Parking requirements.

(a) Two off-street parking spaces, located adjacent to each respective mobile home pad, shall be provided for each unit and shall be surfaced.

(b) Off-street guest parking shall be provided at the ratio of one parking space for each four mobile home pads and shall be distributed for convenient access to all pads and may be provided by a parking land and/or separate parking areas. Clubhouse and community building parking facilities may account for up to 50 percent of this requirement.

(c) All off-street parking spaces shall meet the minimum dimension requirements of chapter 30.26 SCC;

(7) Storage facilities.

(a) Outside storage of household items and equipment shall not be permitted within the mobile home park. It shall be the responsibility of the park management to ensure compliance with this requirement.

(b) A bulk storage and parking area for boats, campers, travel trailers, etc., shall be provided within the mobile home park. A minimum of 300 square feet of space, exclusive of driveways, shall be provided for every 10 mobile home pads. Bulk storage and parking areas shall be separated from all other parking facilities and shall be provided with some means of security. The requirements of this subsection may be waived by the hearing examiner when the mobile home park developer/owner agrees to prohibit the storage of such items within the park.

(8) Tree retention and landscaping. Mobile home parks shall meet the applicable tree retention, screening and landscaping requirements of chapter 30.25 SCC.

(9) Open space. All mobile home parks shall include a minimum of 20 percent of the site area for common open space. Open space acreage may include community recreational areas and facilities such as playgrounds, swimming pools, hobby and craft shops. Planting strips specified in EDDS and other landscaping required by chapter 30.25 SCC may account for no more than 50 percent of the required open space. The following areas shall not be included as open space:

(a) Surfaced widths of park roads;

(b) Bulk storage, guest parking areas; and

(c) Minimum ground area for each pad, calculated as follows:

(i) Single wide - 3,200 square feet;

(ii) Double wide - 4,300 square feet; and

(iii) Triple wide - 5,400 square feet.

(10) Lighting. Adequate lighting shall be provided to illuminate streets, driveways, and walkways for the safe movement of pedestrians and vehicles.

(11) Utilities. All water, sewer, electrical, and communication service lines shall be underground.

(Added Amended Ord. 02-064, December 9, 2002, Eff date February 1, 2003; Amended by Amended Ord. 08-101, Jan. 21, 2009, Eff date April 21, 2009)

30.42E.110 Binding site plan (BSP).

(1) If an applicant chooses to divide land pursuant to chapter 30.41D SCC, an applicant shall obtain approval of a mobile home park official site plan, and approval of a binding site plan pursuant to chapter 30.41D SCC.

(2) All hearing examiner conditions of approval shall appear on either (a) the binding site plan with record of survey, or (b) be referenced on said document and recorded separately as covenants, conditions, and restrictions (CCRs).

(Added Amended Ord. 02-064, December 9, 2002, Eff date February 1, 2003)

30.42E.120 Revisions to approved official site plans.

Revisions to an approved official site plan shall be processed pursuant to SCC 30.70.210 or 30.70.220.

(Added Amended Ord. 02-064, December 9, 2002, Eff date February 1, 2003; Amended by Amended Ord. 13-050, Aug. 28, 2013, Eff date Sept. 19, 2013)

30.42E.130 Review or revocation of approval.

Approval of a mobile home park conditional use permit issued pursuant to this chapter may be reviewed or revoked in accordance with SCC 30.42C.210.

(Added Amended Ord. 02-064, December 9, 2002, Eff date February 1, 2003)