Title 18 — Zoning›Chapter 18.532 — SPECIFIC PLAN NO. 20
Article II — Land Use Development Plan—Area I
San Dimas Zoning Code · 2026-06 edition · updated 2026-07-06 · San Dimas
§ 18.532.060. Purpose. ¶
The purpose of the land use development plan is to provide a location for quality senior citizen housing and appropriate ancillary or support uses in compliance with the city's adopted senior citizen housing policies and standards in order to serve the needs of the city and the surrounding area. Resultant development shall be compatible with the adjacent residential uses to the west and the commercial uses to the east. The boundary of Area I is shown on Exhibit A. (Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013)
§ 18.532.070. Uses permitted. ¶
Buildings, structures, and land shall be used and buildings and structures shall hereafter be erected, structurally altered, or enlarged only for the following uses, plus such other uses as the director or community development determines to be similar and not more obnoxious or detrimental to the public health, safety and welfare, in accordance with the findings set forth in Section 18.192.040 . The determination of the director may be appealed to the planning commission and, thereafter the city council pursuant to Chapter 18.192 . All uses and storage shall be conducted within a totally enclosed building.
(Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013; Ord. 1324, 6/10/2025)
§ 18.532.080. Permitted uses. ¶
Uses permitted in Area I shall include those businesses listed below which operate in compliance with the intent and standards of this district. Each business shall be evaluated in terms of its operational characteristics and specific site location. All uses in Area I shall require approval of a conditional use permit pursuant to Section 18.532.090 .
A. Senior citizen housing facilities, as defined by State of California Civil Code Section 51.3 ;
B. Medical and dental services, excluding veterinary clinics;
C. Opticians and optometrists;
D. Prescription pharmacies;
E. Barber and beauty shops, dry-cleaning pickup only, and similar personal services operated as an accessory use with a permitted senior citizen complex;
F. Accessory massage permitted with the following primary businesses: medical doctor's office, barbershop, beauty salon and similar uses.
(Ord. 861 § 1, 1987; Ord. 1085 § 16, 1998; Ord. 1185 § 23, 2008; Ord. 1222 § 1, 2013)
§ 18.532.090. Conditional uses. ¶
Conditional uses in Area I of Specific Plan No. 20 are as follows:
A. All uses listed in Section 18.532.080 , 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. Administrative, professional, and executive offices;
C. Financial institutions, including banks, savings and loan associations, finance companies and credit unions;
D. Travel agencies, insurance agencies, and similar service related offices;
E. Public uses, such as governmental agencies, libraries, post offices and similar uses;
F. Convalescent and nursing homes providing care for the non-ambulatory;
G. Churches and religious institutions.
(Ord. 861 § 1, 1987; Ord. 1085 § 16, 1998; Ord. 1185 § 23, 2008; Ord. 1222 § 1, 2013)
§ 18.532.100. Existing uses. ¶
A. All existing residential uses in Area I shall be considered conforming so long as they are maintained in accordance with the provisions of Section 18.24.040 .
B. A change in use on those properties with existing residential uses shall require that all new development thereon shall comply with the development criteria of this specific plan.
(Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013)
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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 18.534 — SPECIFIC PLAN NO. 21
- Chapter 18.536 — SPECIFIC PLAN NO. 22
- Chapter 18.538 — SPECIFIC PLAN NO. 23
- Chapter 18.540 — SPECIFIC PLAN NO. 24
- Chapter 18.542 — SPECIFIC PLAN NO. 25