Article VII — SECOND RESIDENTIAL DWELLING UNITS
Redlands Zoning Code · 2026-06 edition · ingested 2026-07-06 · Redlands
18.156.430: PURPOSE OF PROVISIONS: ¶
The purpose of this article is to establish the procedure for permitting a second residential dwelling unit on lots zoned for residential uses. (Ord. 2533 § 1, 2003)
18.156.440: SECOND UNIT DEFINED: ¶
"Second unit" means a detached or attached residential dwelling unit which provides complete, independent living facilities for one or more persons, inclusive of, but not limited to, permanent provisions for living, sleeping, eating, cooking, and sanitation on the same lot as a singlefamily dwelling is situated. A second unit also includes an efficiency unit as defined in California Health and Safety Code section 17958.1, and a manufactured home as defined in California Health and Safety Code section 18007. (Ord. 2533 § 1, 2003)
18.156.450: APPROVAL REQUIRED: ¶
Application for construction of a second unit shall be made in the form of a site plan, floor plan and building elevations and shall be granted by the city's community development director provided the application meets the provisions of this article. The application must demonstrate compliance with the following criteria:
A. The second unit is located on property zoned for single-family or multi-family use.
B. The lot contains an existing single-family dwelling.
C. The square footage for the second unit does not exceed the following standards:
The total area of floor space for a detached second unit shall not exceed one thousand two hundred (1,200) square feet.
The increased floor area for an attached second unit shall not exceed thirty percent (30%) of the existing living area of the primary unit.
D. The second unit is either attached to the existing dwelling and located within the living area of that dwelling (which means the interior habitable area of a dwelling unit including basements and attics, but not including a garage or an accessory structure) or is a detached unit located on the same lot as the existing dwelling.
E. The second unit is not intended for sale and may be rented.
F. The second unit complies with city requirements relating to height, setback, lot coverage, architectural review and maximum size of the unit.
G. The second unit complies with standards that prevent adverse impacts on any real property that is listed in the California register of historic places. (Ord. 2533 § 1, 2003)
18.156.460: PROPERTY DEVELOPMENT STANDARDS: ¶
A. The lot upon which the second unit is proposed shall conform to the minimum area and dimension standards of the zoning district in which the lot is located.
B. One parking space shall be provided on the same lot as the second unit, in addition to the required parking spaces serving the primary unit. Tandem parking is permissible to satisfy the parking requirement for the second unit.
C. The second unit shall be provided with a separate outside entrance not visible from the street, with adequate pedestrian access from a public street to the entrance.
D. All second units shall comply with the standards of an efficiency dwelling unit as defined by the uniform building code.
E. The second unit shall be located to the rear of the primary unit. (Ord. 2743, 2010)