Lemon Grove ADU Development Standards (handout)

CITY OF LEMON GROVE “Best Climate On Earth” Accessory Dwelling Unit Development Standards* Permitted Zones RL, RLM, RM, RMH, RP, CG (ADUs & JADUs not permitted in other zones) Existing Use/Structures Single-Family Residence(s) (a) Multiple-Family Residences (b) Two (2) detached ADUs & Number Allowed Property not to exceed one (1) ADU & one (1) JADU (c) conversion of uninhabitable area up to 25% of multifamily units Proposed type of ADU Detached Attached Conversion Conversion Detached Conversion or JADU ADU ADU ADU JADU ADU ADU External (req.) Access into ADU/JADU External only External only External only External only External only Internal (opt.) Owner Occupancy Not required Not required Not required Required (d) Not required Not required 1,200SF & 1,200SF & None; excess Max Floor Area (e) 100% of pri- 100% of pri- of 1,200sf 500SF 1,200SF Existing area mary dwelling mary dwelling 150sf Add. Minimum Floor Area 150SF 150SF 150SF 150SF 150SF 150SF Maximum Height 16’ - 20’ (f) 25’ Existing Existing 18’ Existing Minimum Front 25’(g) 25’(g) Existing Existing 25’(g) Existing

Setbacks Side-Interior 4’ 4’ Existing Existing 4’ Existing Street Side 4’ 4’ Existing Existing 4’ Existing Rear 4’ 4’ Existing Existing 4’ Existing Architectural (objective) Same architectural style, exterior materials, and colors as the existing or proposed primary dwelling. Minimum separation 10’ 10’(h) N/A N/A 10’ N/A Primary structures (e) Min. separation Acces- 10’ 10’(h) N/A N/A 10’ N/A sory Structure (e) Standards below are for ADUs exceeding 800SF and a JADU only; Standards above are for all ADU types. Minimum Usable Open Maintain zone Maintain zone Maintain zone N/A N/A N/A Space(Per 17.24.070) requirement requirement requirement Minimum Landscaping Maintain 15% Maintain 15% Maintain 15% N/A N/A N/A (17.24.050) Total Lot Area Total Lot Area Total Lot Area None, replace Off-street Parking Most ADUs Most ADUs Most ADUs Most ADUs are Most ADUs for garage (17.24.060D1f) are exempt(i) are exempt(i) are exempt(i) exempt(i) are exempt(i) conversion Floor Area Ratio (FAR) None None None None None None Maximum Stories None None None None None None

Minimum Lot Area None None None None None None Max. Lot Coverage None None None None None None *This handout is for informational purposes only. Standards are located in the City’s Municipal Code. *Minimum Allowance. Development standards shall not prohibit an accessory dwelling unit that is up to sixteen feet high, with a floor area up to eight hundred square feet and four-foot side and rear yards. *ADUs do not require public street dedication (12.10.050B3), street improvements (12.10.060B3), or landscape improvements (17.24.060D). *Existing ARDUs are considered ADUs. (a) Single-family includes properties with multiple detached single-family houses. (b) Multiple-family is two or more units that share a common wall. No JADUs are allowed with Multi-family.No attached ADU additions allowed. (c) JADUs must be constructed within areas of the existing home. JADUs not permitted with multiple-family residences. (d) JADUs require owner occupancy recordation prior to building permit issuance.

(e) Project shall comply with standard if possible; however, up to 800sf ADU (not JADU) is permitted if unable to comply with this standard. (f) A height of:  16 feet for a detached accessory dwelling unit on a lot with an existing or proposed single family or multifamily dwelling un it.  18 feet for a detached accessory dwelling unit on a lot with an existing or proposed single family or multifamily dwelling un it that is within one-half of one mile walking distance of a major transit stop or a high -quality transit corridor, as those terms are defined in Section 21155 of the Public Resources Code.  2 feet in height in additional height is permitted to accommodate a roof pitch on the accessory dwelling unit that is aligned with the roof pitch of the primary dwelling unit. (g) ADU’s may be permitted in front setbacks if there is nowhere else to place them on the property. (h) Attached ADUs must share a common wall with the primary residence. (i) ADUs located within ½ mile of a bus stop or transit station do not need to provide parking. Other exemptions are listed in 17.24.060D1f.

CITY OF LEMON GROVE “Best Climate On Earth” Accessory Dwelling Unit Development Standards* Providing the following information on plans will assist the Planning Department to expedite the ADU/JADU plan re- view. Further, the information will likely reduce the number of plan submittals necessary to submit to the Department. Title Page  Provide a detailed scope of work that specifies the number and type of ADU/JADU being constructed and any other work occurring on the site.  Provide a table that specifies: o The property’s zoning classification. o Itemizes all structures on the site and provides their square-footages. o Provides percentage of the ADU square-footage to the primary residence. o Provide a proposed ADU to existing residence calculation expressed as a percentage. o Provide a landscape to lot square-footage calculation expressed as a percentage. o Provide the square-footage of open space to be provided.  Provide a proximity map that identifies the distance from the nearest bus stop or transit center to the subject property.

Both parking and allowable building height is impacted if the subject property is within ½ mile of transit. Site Plan  Provide a full site plan.  Show all existing structures on the site and label them accordingly (ADU, JADU, Garage, Patio, etc.).  Clearly distinguish between existing and proposed structures and labels them accordingly.  Distinguish between existing and proposed hardscape and landscaped areas.  Provide the locations of all existing and proposed mechanical equipment on the property.  Provide the location of existing and proposed parking spaces.  Provide contour lines for sloping properties  Outline landscape area on the site plan and specify the total area up to 15% of the lot. Elevations  Provide elevations for all sides of the proposed ADU. Additions must provide elevations of all sides of exist- ing building.  Provide a Building height measurement.  Identify proposed materials and colors of the proposed ADU and the existing residence. Exterior materials must be similar to the primary. Other Information

 Providing staff the County Assessor Building Construction Record can be useful when there are structures of questionable permit history.