The use regulations specified in the various zones in this title shall be subject to the general use regulations and exceptions in this chapter, Chapter 17.76, and Chapter 17.78. (Ord. 336 § 7.02.000, 1977).

The minimum square footage per dwelling unit shall be as follows:
A. Single-family Residences.
1. Each single-family residence shall consist of one complete dwelling unit as defined in the Uniform Building Code. The minimum square footage of a single-family residence shall be no less than one thousand fifty square feet. Secondary residential units are not single-family residences for the purposes of this section.
2. The minimum square footage of a single-family residence size shall be reduced to seven hundred fifty square feet for one-bedroom or two-bedroom units, and nine hundred fifty square feet for three-bedroom units for all units that are made affordable, as defined in the Rocklin Housing Element, to households with incomes at or below eighty percent of median-family income, as defined by the Department of Housing and Urban Development (HUD) for the Sacramento Metropolitan Statistical Area (SMSA).
B. Duplex, Triplex. Each living unit shall consist of a complete dwelling unit as defined in the Uniform Building Code. Each living unit shall be a minimum of six hundred square feet.
C. Apartments. Each apartment shall consist of one complete dwelling unit, as defined in the Uniform Building Code. Each living unit shall be a minimum of three hundred fifty square feet. (Ord. 881 § 3, 2004: Ord. 514 § 2, 1984; Ord. 505 § 1, 1983: Ord. 336 § 7.02.010, 1977).

A. Application. Setbacks specified in this code for the various zones shall be subject to the regulations of this chapter.
B. Measurement. The setback of all buildings and structures shall be determined by the exterior boundaries of the streets and highways and their proposed widening and extensions as indicated in the circulation element of the general plan. The width of any street or highway which does not appear in the circulation element of the general plan shall be determined from the standards for street right-of-way widths and improvements as prescribed in Title 16.
C. In R1-5, R1-6, R-1-7.5, R1-10, and PD-R zones, the main building on interior lots may project up to ten feet into the required rear yard setback designated by the regulations of this chapter for those zones: provided, that the square footage lost from the projection is replaced by a yard or court located within the buildable portion of the lot.
D. In corner lots in all residential zones, the required rear yard may be located either opposite the established front yard, or opposite the established street side yard, at the discretion of the property owner. (Ord. 523 § 1. 1984: Ord. 336 §§ 7.05.000 and 7.05.010, 1977).

Multiple-family structures shall be constructed so that the following minimum distances are provided between buildings and between buildings and lot lines:
A. The sum of the height of any two adjacent buildings, divided by two, but in no case less than twenty feet, shall be maintained between buildings.
B. A minimum of fifteen feet shall be maintained between a side setback and the access side of a structure. (Ord. 336 § 7.03.0 10, 1977).

A. Architectural features on the main building, such as cornices, eaves, canopies and sills may extend a maximum of three feet into any side setback or street side setback. Eaves and canopies may extend a maximum of three feet into any required front setback.
B. Fireplaces shall maintain a three-foot minimum setback to any side lot line. (Ord. 336 § 7.03.020, 1977).

The height regulations specified for the various zones in this title shall be subject to the height regulations and exceptions in this chapter, except that where chimneys, silos, cubicles, flagpoles, monuments, gas storage holders, radio and other towers, water tanks, church steeples and similar structures and mechanical appurtenances are permitted in the zone, height limits may be exceeded by a use permit. (Ord. 336 § 7.04.000, 1977).

All outdoor storage of products, machinery, equipment or other items shall be within a fence or wall. (Ord. 336 § 7.02.060(g), 1977).

Notwithstanding Section 17.78.010, where a commercial or industrial zone abuts a residential zone, a solid masonry wall six feet in height shall be erected on the property line which forms the boundary between the zones. The wall shall be designed to the satisfaction of the planning director. (Ord. 445 § 2 (part), 1981: Ord. 336 § 7.02.060(j), 1977).

A. An accessory building in any residential zone shall be located to the rear or side of the main dwelling unit, not less than ten feet there from. Such accessory building shall not be located within five feet of the side property line for interior lots and, in the case of a corner lot, shall not project beyond the required front yard.
B. A detached garage shall not be located within five feet of any alley.
C. Barns and stables, or any other building or structure used for the keeping of animals, shall be located on the rear one-half of the lot and not closer than twenty feet to any side or rear property line.
D. A structure which is open on three sides, such as a patio cover, may encroach into the required rear yard setback up to five feet from any rear wall of the principal structure, but in no case may it be closer than five feet from the rear property line nor shall it create a condition where the maximum lot coverage for the zone is exceeded. (Ord. 610 § 1, 1989; Ord. 336 § 7.02.040, 1977).

Accessory uses are defined as uses incidental related, appropriate, and clearly subordinate to the main use of the lot or building, which do not alter the principal use of the lot or building or adversely affect other properties in the zone. Such accessory uses are authorized in any zone subject to the definitions set forth in this section. (Ord. 336 § 7.02.050, 1977).

Except where expressly permitted, or where authorized upon the issuance of a conditional use permit, accessory buildings and accessory uses are allowed only where there is an existing primary use on the premises. (Ord. 370: Ord. 336 § 7.02.055, 1977).

A. Public utility distribution and power transmission lines, and underground facilities for distribution of gas, water, communications, electricity, and cable television, may be constructed in all zones.
B. For privately owned utilities, review and approval of such location shall be subject to review and approval of the planning commission pursuant to applicable law. (Ord. 336 § 7.02.020, 1977).

A. Except as provided in subsection C of this section, no person shall occupy or use, or permit the occupation or use, of any recreational vehicle, camping trailer, camper, mobile office, camper, boat, or vehicle stored on a trailer, (hereinafter referred to as “accessory vehicles”) or mobile home for any residential, commercial, or industrial purpose.
B. No recreational vehicle, trailer, camper, boat except as provided in subsection C of this section, no accessory vehicle or mobile home shall be parked or stored:
1. In any front yard or street side yard setback in any zone;
2. In any required off-street parking area in any commercial or industrial zone for longer than seventy-two hours, unless the off-street commercial parking area is specifically provided to serve a business whose primary purpose is to service, sell, repair or perform maintenance upon an accessory vehicle.
C. Exceptions.
1. A mobile home may be located on a lot in any single-family zone; provided, that a certificate of compatibility is obtained pursuant to Chapter 17.70, Article V of this title;
2. Mobile or portable structures for city, county, state, and federal government use are permitted in all zones;
3. Construction site temporary offices may be located pursuant to Section 17.08.140;
4. In residential zones, parking or storage of a single accessory vehicle shall be permitted in the front yard or street side yard setback for a period not to exceed forty-eight consecutive hours for the purposes of loading, unloading, cleaning and general maintenance. (Ord. 849 § 1, 2001: Ord. 574 § 1, 1987; Ord. 457 § 5, 1981: Ord. 402 § 1, 1979: Ord. 336 § 7.02.030, 1977).

A. Any person who has obtained and maintains a valid approval to develop any real property may install a mobile or portable office at the construction site to be used for the purposes of a temporary construction field office or for storage of construction tools.
B. Such temporary office or storage space shall not be used as living quarters.
C. Any office or storage space shall be removed at the time of completion of the improvements. (Ord. 406 § 1, 1979: Ord. 336 § 7.01.030, 1977).

A. Swimming pools in residential zones shall not encroach into required front yard setbacks or street side yard setbacks. There shall be a rear yard setback of at least three feet, and interior side yard setbacks shall be a minimum of three feet on one side and a minimum of five feet on the opposite side.
B. Filter and heating systems for swimming pools shall not be located closer than three feet from any property line.
C. No pool shall occupy over forty percent of the required rear yard of any multiple dwelling or dwelling group. Coverage by a swimming pool shall not be considered in measuring maximum lot coverage.
D. Any swimming pool, either in ground or above ground, shall be surrounded by a fence or wall not less than five feet in height. Any gates in such fence or wall shall be self-latching. The fence or wall must be installed before water is placed in the pool and must comply with all other applicable provisions of this section and Chapter 17.76. (Ord. 771 § 1, 1997; Ord. 609 § 1, 1989; Ord. 336 §§ 7.02.070 and 7.02.060(f), 1977).

A. Each secondary residential unit shall consist of one complete dwelling unit, as defined in the Uniform Building Code. A one-bedroom secondary residential unit shall be a minimum two hundred seventy-five total square feet in area. Additional bedrooms or rooms designated other than bedrooms, with the exception of utility, heating and air-conditioning rooms, shall increase the total square footage of the dwelling unit by a minimum of seventy square feet per room. The secondary unit shall not exceed forty percent of the square footage of the principal residential unit excluding garages.
B. When a new dwelling unit is proposed on a lot already improved with a principal residential unit, either the new unit or the existing unit may be designated as the secondary residential unit. The extent to which design and location of the two units clearly distinguish the principal residential unit from the secondary residential unit shall be considered in approving any second unit.
C. Secondary residential units are not accessory uses or accessory structures.
D. Secondary residential units shall follow all principal residential unit zoning standards for the zone in which it is located.
E. To assure the appearance of secondary residential units will be compatible and harmonious with the use and enjoyment of surrounding properties and to protect property values within the community, secondary residential units shall be designed and constructed to be compatible with the primary residential structure and the immediate neighborhood. Height, form, materials, and design of the secondary residential structure shall include the most aesthetically pleasing features, themes, or elements of the primary residential structure and the neighborhood in which it is located.
F. Notwithstanding any other provision of the Rocklin Municipal Code, secondary residential units shall be considered a permitted use in any General Development Plan that lists secondary residential as conditional uses. (Ord. 881 § 4, 2004).