Title 18 — Zoning›Chapter 18.528 — SPECIFIC PLAN NO. 17
Article V — Development Plan and Standards
San Dimas Zoning Code · 2026-06 edition · ingested 2026-07-06 · San Dimas
§ 18.530.130. Location. ¶
The subject property is located on the northeast corner of Arrow Highway and Lone Hill Avenue and encompasses approximately 54± acres. All development within Specific Plan No. 18 shall generally conform to Exhibit A. All areas shall conform to the development standards established in Sections 18.530.140 through 18.530.160 .
(Ord. 834 § 1C, 1985; Ord. 949 § 4, 1990; Ord. 1232 § 1, 2015)
§ 18.530.140. Area I—Community commercial center. ¶
Development standards in area I of Specific Plan No. 18 are as follows:
A. Lot Area. There are no lot area provisions;
B. Lot Dimensions. There are no lot dimension provisions;
C. Building and Parking Setbacks.
A minimum twenty-five-foot setback, measured from the property line, shall be provided along Arrow Highway and Lone Hill Avenue,
The required setback shall be fully landscaped, irrigated and maintained in a weed and disease free manner at all times;
D. Building Height. No building or structure erected in this area shall exceed thirty feet. Exceptions to this may be approved by the director of community development or their designee, up to twenty-five percent;
E. Off-Street Parking. The provisions of Chapter 18.156 , as amended, shall apply. Area I was originally developed at a parking ratio of 4.7 spaces per thousand square feet of gross floor area;
F. Signs. The provisions of Chapter 18.152 , as amended, and the center's master sign program shall apply;
G. Outside Storage. There shall be no outside storage of any materials at any time on the property. Further, no parking of commercial vehicles, except for loading and unloading purposes, except as approved by the planning commission;
H. Trash Storage. A city standard trash storage area shall be provided in an appropriate location convenient to the user.
(Ord. 834 § 1D, 1985; Ord. 1232 § 1, 2015; Ord. 1324, 6/10/2025)
§ 18.530.150. Area II—Corporate office park. ¶
Development standards in area II of Specific Plan No. 18 are as follows:
A. Lot Area. Minimum lot or parcel size shall be 2.0± acres.
B. Lot Dimensions. There are no lot dimension provisions.
C. Setbacks.
Lone Hill Avenue—Building and Parking. A minimum twenty-five-foot setback, measured from the property line,
Interior Street—Overland Court.
a. Parking. A minimum fifteen-foot setback, measured from the property line,
b. Building. A minimum twenty-five-foot setback, measured from the property line;
Side Yards.
a. Parking. A minimum five-foot setback, measured from the property line,
b. Building. A minimum fifteen-foot setback, measured from the property line;
Rear Yards—Between Areas I and II. Parking and building setbacks are a minimum of tenfoot setback with an average of fifteen feet measured between the usable area of either area;
Buffer—Rear Yard at North Property Line.
a. Parking. A minimum fifteen-foot setback, measured from the property line,
b. Building. A minimum forty-five-foot setback, measured from the property line;
The required setbacks shall be fully landscaped and irrigated and maintained in a weed and disease free manner at all times.
D. Building Height.
No building or structure erected in this area shall exceed forty feet measured from the street curb.
Penthouses or roof structures for the housing of air conditioning units, elevator housing, stairways, electrical gear panels, mechanical equipment located on top of the roof of the building may be erected higher than the building height, not to exceed an additional ten feet. All such enclosures shall be enclosed within an enclosure compatible with the architectural design of the building.
E. Off-Street Parking. The provisions of Chapter 18.156 , as amended, shall apply.
F. Signs. Signs shall be reviewed pursuant to Chapter 18.12 of this title.
G. Outside Storage. There shall be no outside storage of any materials at any time on the property. Further, no parking of commercial vehicles, except for loading and unloading purposes, except as approved by the planning commission.
H. Trash Storage. City standard trash storage areas shall be provided in appropriate locations convenient to the users.
I. Building construction shall be Types I through IV as identified in the Uniform Building Code. (Ord. 834 § 1D, 1985; Ord. 923 § 1, 1990; Ord. 1232 § 1, 2015; Ord. 1324, 6/10/2025)
§ 18.530.152. Area III—Highway commercial center. ¶
Development standards in area III of this specific plan are as follows:
A. Lot area, no provisions.
B. Lot dimensions, no provisions.
C. Building and Parking Setbacks. A minimum twenty-five-foot setback, measured from the property line, shall be provided along Arrow Highway. A minimum ten-foot setback shall be provided along Lone Hill Avenue.
The required setback shall be fully landscaped, irrigated and maintained in a weed and disease free manner at all times.
D. Building Height. No building or structure erected in this area shall exceed thirty feet. Exceptions to this may be approved by the director of community development or their designee up to twenty-five percent.
E. Off-Street Parking. The provisions of Chapter 18.156 , as amended, shall apply.
F. Signs. The provisions of Chapter 18.152 and the center's master sign program shall apply.
G. Outdoor Storage. There shall be no outside storage of any materials at any time on the property. Further, no parking of commercial vehicles, except for loading and unloading purposes, except as approved by the planning commission.
H. Trash Storage. A city standard trash storage area shall be provided in an appropriate location convenient to the user.
I. Restaurants. Restaurants shall not exceed twenty percent of the gross floor area of all buildings, including any outdoor retail area in area III.
(Ord. 949 § 5, 1990; Ord. 996 § 4, 1993; Ord. 1232 § 1, 2015; Ord. 1324, 6/10/2025)
§ 18.530.160. General development standards. ¶
These standards shall apply to areas I, II and III of this specific plan.
A. Lighting. All outside lighting shall be decorative and in keeping with the theme of the architectural style of the project and shall be so arranged and shielded as to prevent any glare or reflection, any nuisance, inconvenience or hazardous interference of any kind on adjoining rights-of-way or property.
B. Utilities. All utilities provided to serve these uses and buildings shall be installed underground.
C. Landscaping. Whenever called for, landscaping and an automatic irrigation system shall be provided, a plan shall be submitted for review and approval in accordance with Article VI. All
landscaping and irrigation shall be maintained in a good condition, weed and disease free at all times.
(Ord. 834 § 1D, 1985; Ord. 949 § 6, 1990; Ord. 1232 § 1, 2015)