The R-1 Low Density Residential Zone is characterized generally by single-family detached homes on individual lots that form a cohesive neighborhood, residential subdivisions in this category are similar to those found in many of Colton's established residential tracts. Within this designation, clustering of dwelling units may be allowed through discretionary permit process to provide additional opportunity for a diversity of housing types and architectural styles and common open space areas. New development must be compatible and similar in character to the surrounding residential neighborhoods within this designation.

(Ord. 0-14-92 § 1 (Exh. A) (part), 1992)

(Ord. No. O-05-13, § 2(Exh. A(6)), 10-10-2013)

In the R-1 Zone, no building, structure or land shall be used, and no building or structure shall be hereafter erected, structurally altered or enlarged, except for the purpose set out in Section 18.12.030 of this chapter.

(Ord. 0-14-92 § 1 (Exh. A) (part), 1992)

(Ord. No. O-05-13, § 2(Exh. A(6)), 10-10-2013)

Refer to Table E in Section 18.06.060 E.

(Ord. 0-14-92 § 1 (Exh. A) (part), 1992)

(Ord. No. O-05-13, § 2(Exh. A(6)), 10-10-2013)

Editor's note— Ord. No. O-05-13, § 2(Exh. A(6)), adopted October 10, 2013, repealed § 18.12.040, which pertained to Conditional Uses and derived from Ord. 0-14-92 § 1 (Exh. A) (part), 1992; Ord. No. O-01-10, § 10, 3-2-2010.

The following property development standards, set out in Sections 18.12.150-1 through 18.12.190, shall apply to all land and buildings in the R-1 Zone.

18.12.050-1 Property Development Standards

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Table 1 - Building Placement
A. Minimum Lot Size	7,200 square feet 1	1 Main Building2 Accessory Building
B. Minimum Lot Width	60 feet 1
C. Minimum Lot Depth	100 feet 1
D. Minimum Front Yard Setback	25 feet 1
E. Minimum Side Yard Setbacks	10% of lot width not exceeding 15 feet 1, 2, 3
F. Minimum Corner Side Yard Setback	5 feet 1
G. Minimum Rear Yard Setback	20 feet 1, 2
H. Separation Between Buildings	6 feet 1, 3, 5
I. Max. Lot Coverage	40% of lot area 1
J. Dwelling Units per Acre	2.1—8 DU/AC
K. Minimum Dwelling Unit Size	1,300 square feet 1
L. Maximum Building Height	2.5 Stories or 35 feet

 

1.

May be reduced when clustering homes for hillside development, subject to discretionary review process. See "cluster development" definition in Chapter 18.04 (Definitions) and Section 18.10.150 (Hillside Setbacks) of this Title.

2.

Main buildings and garages opening to an alley shall have a setback of at least twenty-five feet from the opposite side of the alley.

3.

Main buildings shall have a side setback of ten feet from the property line for a reversed corner lot.

4.

Plus four feet for each story above the first for a facing wall with openings, and three feet plus one foot for each story above the first for a facing wall without openings. The total separation between two facing walls is the sum of that required for each.

5.

Buildings linked by a common roof shall not be considered separate. Openings must be located in the wall overlap area in order to count as openings for the purpose of calculating building separation.

1.

Non-Residential and Residential.

2.

Garage openings facing alley shall have a rear setback measured from opposite side of the alley.

(Ord. 0-14-92 § 1 (Exh. A) (part), 1992; Ord. No. O-05-13, § 2(Exh. A(6)), 10-10-2013; Ord. No. O-03-15, § 8, 3-3-2015; Ord. No. O-12-18, § 9, 12-18-2018)

Building projections into yard areas are permitted as follows:

(Ord. 0-14-92 § 1 (Exh. A) (part), 1992; Ord. No. O-05-13, § 2(Exh. A(6)), 10-10-2013; Ord. No. O-10A-16, § 3, 7-5-2016; Ord. No. O-12-18, § 10, 12-18-2018)

Refer to Hillside Setbacks in Section 18.10.150.

(Ord. No. O-05-13, § 2(Exh. A(6)), 10-10-2013)

Editor's note— Ord. No. O-05-13, § 2(Exh. A(6)), adopted October 10, 2013, repealed §§ 18.12.070—18.12.160, which pertained to Lot dimensions, Density of Development, Maximum coverage, Minimum Dwelling size, Building Height, Front Setback, Side Setback, Rear Setback, Accessory Buildings, Separation between Buildings and derived from Ord. 0-14-92 § 1 (Exh. A) (part), 1992.

A.

There shall be no less than two parking spaces in the form of a garage for every dwelling unit, with dimensions of not less than ten feet in width and twenty feet in depth. The required parking spaces shall be provided on the same lot as the main building, and shall be independently accessible with unobstructed space provided for the maneuvering of Vehicles. Vehicles maneuvering area shall comply with appropriate vehicular turning radius as specified by the Director for appropriate driveway width.

B.

For existing dwelling units with an existing one-car garage, and less than two onsite parking spaces as required by Section 18.12.170(A), a maximum of one parking space shall be required in the form of a garage or carport. A carport may project up to twenty feet into the front setback but not less than three feet from the front property line. The carport shall be constructed to California Building Code standards, and fabricated of durable materials and colors that are compatible with the existing single-family home and garage located on the parcel. The width of the carport and/or garage shall not be greater than the width of the existing garage, and the height of the carport and/or garage shall be limited to twelve feet.

C.

There Shall be paved vehicular Access to the Off-Street Parking Facilities, with a Driveway not less than ten feet wide and not encumbered by a Projection to height under eight feet above Grade.

D.

For a boarding, lodging, or rooming house in the R-1 Zone, there Shall be no less than one Parking Space per room or suite, or one space per two beds, whichever is greater.

E.

No covered or uncovered tandem parking is permitted for parking credit. Each credited parking space shall be so designed that a car need not be moved to gain access to or from any other parking space.

F.

All driveways and parking areas shall be surfaced or paved with concrete, asphalt, or other non-permeable material to create continuous path with no unpaved areas.

G.

Driveways in front yards for garages, carports, or approved parking spaces which are adjacent to the front yard shall not exceed the width of the garage, carport, or approved parking space. All other driveways in front yards shall not exceed twelve feet.

H.

Additional paved areas in front yards for parking adjacent to a driveway may be permitted where it does not exceed twenty percent of the front yard area, not including the driveway. Exceptions may be granted if on-street parking is not available within sixty (60) feet of property line. No exception shall be granted within three feet of the side yard property line.

I.

Parking of vehicles is prohibited in landscape or unpaved areas.

(Ord. 0-14-92 § 1 (Exh. A) (part), 1992)

(Ord. No. O-01-10, § 6, 3-2-2010; Ord. No. O-05-13, § 2(Exh. A(6)), 10-10-2013; Ord. No. O-10A-16, § 4, 7-5-2016; Ord. No. O-12-18, § 11, 12-18-2018; Ord. No. O-01-21, § 6, 2-16-2021)

A.

All heating, ventilating and air conditioning equipment, including ducts, meters, plumbing lines and tanks, shall be architecturally screened from public view, with the use of masonry walls when mounted at grade. Roof mounted equipment is prohibited, except with the use of parapet walls when mounted on flat roof.

B.

Plumbing vent pipes, all heater flues and all roof penetrations shall be gathered and concealed from view in the same manner.

C.

All new mechanical equipment shall meet the same zoning setback requirement applicable to the building or structure served.

(Ord. No. O-05-13, § 2(Exh. A(6)), 10-10-2013; Ord. No. O-12-18, § 12, 12-18-2018)

Editor's note— Ord. No. O-12-18, § 13, adopted Dec. 18, 2018, repealed former § 18.12.180 in its entirety which pertained to landscaping and derived from Ord. 0-14-92 § 1 (Exh. A) (part), adopted in 1992.

A.

Landscaping shall be provided in areas between the building line and the front or street side property lines, except for driveways to approved designated parking spaces, exception areas subject to approval as specified in subsection C., and areas screened by a permitted solid fence or wall least six feet high. Additional paving for walkways may be allowed not to exceed four feet, or not to exceed one hundred twenty-five square feet, whichever is greater.

B.

Drought-resistant landscaping shall be provided for the development of any lot. Landscaping shall conform to the standards of Water Efficient Landscape Ordinance contained in Chapter 13.30 of the Municipal Code when applicable.

C.

Within the minimum required front setback area, no less than fifty percent of this area shall consist of live plants as ground cover and no more than forty percent shall consist of permeable hardscape ground cover material, such as bark, mulch, wood, stones, rocks, decomposed granite, or decorative colored (non-grey) gravel. In addition, two twenty-four-inch box trees shall be provided in the same area, the type of tree to be determined by the Planning Division. Exceptions to the minimum front setback area landscape coverage requirement. No exception shall be granted within three feet of the side yard property line.

D.

The required Landscaping shall be maintained in a neat, clean, safe, orderly and healthful condition.

E.

The landscaped areas shall be provided with a suitable permanent method for watering or sprinkling of plants. Wherever possible, the watering system Shall utilize the least amount of water. Sprinklers Used to satisfy the requirements of this provision shall be so spaced as to assure complete coverage of the landscaped area.

(Ord. 0-14-92 § 1 (Exh. A) (part), 1992)

(Ord. No. O-05-13, § 2(Exh. A(6)), 10-10-2013; Ord. No. O-12-18, § 14, 12-18-2018; Ord. No. O-01-21, § 7, 2-16-2021)