Title 18 — Zoning›Chapter 18.540 — SPECIFIC PLAN NO. 24
Article II — Land Use Development Plan—Area I—Regional Commercial
San Dimas Zoning Code · 2026-06 edition · updated 2026-07-06 · San Dimas
§ 18.540.090. Location. ¶
Area I is located on the southeast corner of Lone Hill Avenue and Gladstone Street, and is approximately 21.5 acres in size. The size of the area, after parcel assembly, makes it suitable for regional commercial development. The specific boundaries of Area I are indicated on Exhibit A. (Ord. 1150 § 1, 2005)
§ 18.540.100. Purpose. ¶
The purpose of Area I is to provide an attractive and convenient setting for development which normally requires freeway-close locations and can fully realize the benefits provided by the site and will complement the less regionally oriented businesses in the vicinity to more fully serve the community. Commercial development shall encourage creative and imaginative site and architectural designs while demonstrating concern for existing uses in the area. (Ord. 1150 § 1, 2005)
§ 18.540.110. Planning units/phasing. (Reserved) ¶
§ 18.540.120. Permitted uses. ¶
Uses permitted in Area I shall include those businesses listed in this section which operate in compliance with the intent and standards of this specific plan area. Each business shall be evaluated in terms of its operational characteristics and specific site location.
A. Any retail, other than auto and truck sales, or service business, which is conducted entirely within a totally enclosed building;
B. Uses which are directly related to the needs of freeway travelers and which are dependent on large traffic volume including, but not limited to, department stores, minor commercial uses related, secondary and incidental to an otherwise permitted use, and similar freeway oriented uses which may be approved by the director of community development upon finding that they are not more obnoxious or detrimental to the public health, safety and welfare than any other permitted uses. The determination of the director of community development may be appealed
to the planning commission and, thereafter, the city council in accordance with Chapter 18.212 of this title;
C. Restaurants, including take-out service businesses, but not including drive-in or drive-through service facilities;
D. Gasoline service stations, when accessory to and operated by an approved retail business with a minimum of one hundred twenty-five thousand square feet of building area;
E. Tire sales and installation, when accessory to and operated by an approved retail business with a minimum of one hundred twenty-five thousand square feet of building area;
F. Limited auto and truck sales, where incidental to and operated by an approved retail business with a minimum of one hundred twenty-five thousand square feet of building area;
G. Wholesale business activity, where incidental to and operated by an approved retail business with a minimum of one hundred twenty-five thousand square feet of building area;
H. Accessory game arcade up to a maximum of six machines provided that such machines are secondary and incidental to a permitted use in this zone which is also defined by Section 18.08.012 of this title;
I. Accessory massage permitted with the following primary businesses: day spa, beauty salon, barbershop and similar uses.
J. Service business to include, but not limited to, nail shop, barber and beauty shop, shoe repair, watch repair and dry cleaners, etc.; these uses are intended to have daily customer foot traffic;
K. Hardware stores;
L. New home furnishings and appliance outlets;
M. Specialty commercial uses, such as antique shops, jewelry stores, music stores, wholesale, and catalog stores, electronic and telecommunication stores, and auto and truck parts and supply businesses and similar uses;
N. Financial institutions, including banks, savings and loan associations, and credit unions;
O. Professional business office to include, but not limited to, accounting and billing services, insurance, tax assistance, legal services and graphic design office;
P. Medical office to include, but not limited to, such uses as medical clinics, dental, and optometry;
Q. Veterinary and pet grooming services.
(Ord. 1150 § 1, 2005; Ord. 1185 § 26, 2008; Ord. 1237 § 1, 2016; Ord. 1324, 6/10/2025)
§ 18.540.130. Conditional uses. ¶
Conditional uses in Area I of Specific Plan No. 24 are as follows:
A. All uses listed in Section 18.540.120 of this chapter, which because of operational characteristics specific to that particular business is found by the director of community development to have the potential to negatively impact adjoining properties, businesses or residents and therefore, requires additional approval and consideration. The impacts may be related to, but not necessarily limited to, impacts of traffic, hours of operation, assemblages of people, noise, or site location;
B. Eating establishments, with drive-in or drive-through service. If located within three hundred feet of residentially zoned property, the drive-through or drive-in portion of the business can only
operate during the hours of six a.m. to ten p.m. and the restaurant portion from six a.m. to midnight. Audible speakers shall be placed in such a manner as to be directed away from residentially zoned property, have an adjustable volume based on the outdoor ambient noise level and not to exceed twenty dBA when measured from the residentially zoned property;
C. On-or off-site alcoholic beverages, provided that such use is incidental and ancillary to a permitted use;
D. On-site brewing and service of beer produced on the premises, provided that such use is secondary and incidental to a restaurant. The brewing component shall be limited to a maximum production of five thousand barrels per year unless an increased production volume is granted by the planning commission to support the commercial business after finding that the production volume and operations are compatible with the subject site and its surroundings during review of the conditional use permit;
E. Cinemas and movie theater facilities;
F. ATM. Stand-alone ATMs not installed in association with a financial institution and which are attached and integrated with the main building facade;
G. Financial institutions, including banks, savings and loan associations, finance companies and credit unions, that provide drive-through service.
(Ord. 1150 § 1, 2005; Ord. 1209 § 1, 2011; Ord. 1233 § 1, 2015; Ord. 1237 § 1, 2016)
§ 18.540.140. Prohibited uses. ¶
Prohibited uses in Area I of Specific Plan No. 24 are as follows:
A. Sales agencies for new automobiles, recreational vehicles, trucks, trailers, boats and motorcycles and service in connection therewith, except where incidental to and operated by an approved retail business with a minimum of one hundred twenty-five thousand square feet of building area;
B. Sales agencies for used automobiles, recreational vehicles, trucks, trailers, boats and motorcycles and service in connection therewith, operated as an accessory use with a permitted new vehicle sales agency;
C. Industrial uses;
D. Gambling facilities;
E. Residential uses;
F. Billboards and other similar off-site advertising structures;
G. Game arcades, other than accessory game arcades specifically authorized by this chapter;
H. Convenience markets.
(Ord. 1150 § 1, 2005; Ord. 1237 § 1, 2016)
§ 18.540.150. Special limitations on development and uses. ¶
- A. Development Limitations. Area I of Specific Plan No. 24 is designed to be a comprehensive development program encompassing all of the properties in the plan area. However, many of the properties are currently under separate and different ownership. Because of the type of uses intended for the area, no development shall be permitted in Area I until all properties are under the same ownership, unless otherwise approved by the city of San Dimas. This limitation does
not prohibit subsequent subdivision of the property where it can be demonstrated that the subdivision is consistent with the intent of the overall development program.
B. Special Use Limitations. Area I-A, as shown on Exhibit B, shall be limited in use to a major retail business with a minimum floor area of one hundred twenty-five thousand square feet. Area I-B, as shown on Exhibit B, may be developed in phases with other uses permitted in this article. Exhibit C illustrates a site design which would com-ply with this limitation although other similar site designs are also possible.
(Ord. 1150 § 1, 2005)
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▸ Title 18 — Zoning
Overview- Chapter 18.04 — GENERAL PROVISIONS
- Chapter 18.08 — DEFINITIONS
- Chapter 18.12 — DEVELOPMENT PLAN REVIEW
- Chapter 18.14 — WATER-EFFICIENT LANDSCAPES
- Chapter 18.16 — ZONING DISTRICTS, MAPS AND BOUNDARIES
- Chapter 18.20 — RESIDENTIAL ZONES GENERALLY
- Chapter 18.22 — DENSITY BONUS
- Chapter 18.24 — S-F SINGLE-FAMILY RESIDENTIAL ZONE
- Chapter 18.26 — DEVELOPMENT STANDARDS OVERLAY ZONE
- Chapter 18.28 — SF-A SINGLE-FAMILY AGRICULTURE ZONE
- Chapter 18.32 — SF-H SINGLE-FAMILY HILLSIDE ZONE
- Chapter 18.35 — SF-DR SINGLE-FAMILY DOWNTOWN RESIDENTIAL ZONE
- Chapter 18.38 — ACCESSORY DWELLING UNITS
- Chapter 18.40 — AFFORDABLE HOUSING OVERLAY ZONE
- Chapter 18.42 — MULTIPLE-FAMILY (MF) ZONE
- Chapter 18.44 — MULTIPLE-FAMILY THIRTY UNITS PER ACRE (MF-30) …
- Chapter 18.48 — MF-D MULTIPLE-FAMILY ZONE— DUPLEX
- Chapter 18.50 — DOWNTOWN SPECIFIC PLAN
- Chapter 18.52 — RPD RESIDENTIAL PLANNED DEVELOPMENT ZONE
- Chapter 18.64 — A-L LIGHT AGRICULTURAL ZONE
- Chapter 18.92 — C-H COMMERCIAL-HIGHWAY ZONE
- Chapter 18.96 — C-N COMMERCIAL-NEIGHBORHOOD ZONE
- Chapter 18.104 — CPO COMMUNITY PARKING OVERLAY ZONE
- Chapter 18.108 — SCENIC HIGHWAY OVERLAY ZONE
- Chapter 18.112 — P-H PRIVATE HORSE OVERLAY ZONE
- Chapter 18.116 — CONSERVATION OVERLAY ZONE
- Chapter 18.122 — MOBILE HOME PARK ZONE
- Chapter 18.124 — OS OPEN SPACE ZONE
- Chapter 18.128 — INDUSTRIAL ZONES
- Chapter 18.132 — PS PUBLIC/SEMIPUBLIC ZONE
- Chapter 18.136 — A-P ADMINISTRATIVE PROFESSIONAL ZONE
- Chapter 18.140 — C-G CREATIVE-GROWTH ZONE
- Chapter 18.142 — DEVELOPMENT STANDARDS FOR SPECIFIC LAND USES
- Chapter 18.150 — WIRELESS COMMUNICATION FACILITIES
- Chapter 18.152 — SIGNS
- Chapter 18.156 — VEHICLE PARKING AND STORAGE
- Chapter 18.162 — TREE PRESERVATION
- Chapter 18.164 — HILLSIDE DEVELOPMENT
- Chapter 18.168 — ALTERNATIVE ENERGY SYSTEMS
- Chapter 18.170 — ELECTRIC VEHICLE CHARGING STATIONS
- Chapter 18.172 — PUBLICLY OWNED PROPERTY
- Chapter 18.180 — FLOOD CONTROL
- Chapter 18.184 — HOME BASED BUSINESSES
- Chapter 18.186 — RESERVED
- Chapter 18.188 — RESERVED
- Chapter 18.190 — SEXUALLY ORIENTED BUSINESSES
- Chapter 18.192 — UNCLASSIFIED USES
- Chapter 18.194 — MARIJUANA AND MEDICAL MARIJUANA
- Chapter 18.196 — TEMPORARY USES
- Chapter 18.198 — RECYCLING FACILITIES, DONATION BOXES AND NON-…
- Chapter 18.200 — CONDITIONAL USE PERMITS
- Chapter 18.204 — VARIANCES
- Chapter 18.208 — ZONE CHANGES AND AMENDMENTS
- Chapter 18.212 — APPEAL PROCEDURES
- Chapter 18.500 — SPECIFIC PLAN NO. 2
- Chapter 18.502 — SPECIFIC PLAN NO. 3
- Chapter 18.504 — SPECIFIC PLAN NO. 4
- Chapter 18.508 — SPECIFIC PLAN NO. 6
- Chapter 18.510 — SPECIFIC PLAN NO. 7
- Chapter 18.512 — SPECIFIC PLAN NO. 8
- Chapter 18.514 — SPECIFIC PLAN NO. 9
- Chapter 18.516 — SPECIFIC PLAN NO. 10
- Chapter 18.518 — SPECIFIC PLAN NO. 11
- Chapter 18.520 — SPECIFIC PLAN NO. 12
- Chapter 18.522 — SPECIFIC PLAN NO. 13
- Chapter 18.526 — SPECIFIC PLAN NO. 16
- Chapter 18.528 — SPECIFIC PLAN NO. 17
- Chapter 18.532 — SPECIFIC PLAN NO. 20
- Chapter 18.534 — SPECIFIC PLAN NO. 21
- Chapter 18.536 — SPECIFIC PLAN NO. 22
- Chapter 18.538 — SPECIFIC PLAN NO. 23
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▸ Chapter 18.540 — SPECIFIC PLAN NO. 24
Overview- Article II — Land Use Development Plan—Area I—Regional Commerc…
- Article III — Property Development Standards—Area I
- Article IV — Land Use Development Plan—Area II—Light Industrial
- Article V — Property Development Standards—Area II
- Article VI — Land Use Development Plan—Area III—Light Industrial
- Article VII — Property Development Standards—Area III
- Article VIII — General Development Standards
- Article IX — Plan Review and Disposition
- Chapter 18.542 — SPECIFIC PLAN NO. 25