Chapter 4.0 — PERMITS, ACTIONS, AND DECISIONS — Ontario Zoning Code

Division 4.01—Legislative Actions	Division 4.01—Legislative Actions
4.01.000:	Purpose ...................................................................................................................... 4.01-1
4.01.005:	Applicability ............................................................................................................... 4.01-1
4.01.010:	Airport Land Use Compatibility Plan (ALUCP) and Amendments ...................... 4.01-1
4.01.015:	Development Agreements ...................................................................................... 4.01-2
4.01.020:	Development Code Amendments ........................................................................ 4.01-4
4.01.025:	Amendments to the Policy Plan Component of The Ontario Plan (General Plan
	Amendments) ........................................................................................................... 4.01-5
4.01.030:	Planned Unit Developments (PUD) and Amendments ........................................ 4.01-8
4.01.035:	Specific Plans and Amendments ............................................................................ 4.01-9
4.01.040:	Zone Changes ......................................................................................................... 4.01-10
Division 4.02—Discretionary Permits and Actions
4.02.000:	Purpose ...................................................................................................................... 4.02-1
4.02.005:	Applicability ............................................................................................................... 4.02-1
4.02.010:	Billboard Relocation Agreements ........................................................................... 4.02-1
4.02.015:	Conditional Use Permits ........................................................................................... 4.02-4
4.02.020:	Departures from Development Standards (Minor Adjustments/Alterations and
	Variances) ................................................................................................................. 4.02-7
4.02.025:	Development Plans ................................................................................................ 4.02-10
4.02.030:	Extensions of Legal Nonconforming Status .......................................................... 4.02-16
4.02.040:	Historic Preservation—Local Historic Landmark and Local District Designations,
	Historic Resource Tiering, and Architectural Conservations Areas ................... 4.02-18

Page 5.03-iii

Ontario Development Code

(Rev. 02.17.2026)

Table of Contents

4.02.045:	Historic Preservation—Rescind or Amend the Status of a Historic Resource ... 4.02-24
4.02.050:	Historic Preservation—Certificates of Appropriateness and Demolition of Historic
	Resources ................................................................................................................. 4.02-25
4.02.055:	Historic Preservation—Certificates of Economic Hardship ................................ 4.02-32
4.02.060:	Historic Preservation—Conservation Plans........................................................... 4.02-33
4.02.065:	Historic Preservation—Mills Act Contracts ........................................................... 4.02-34
4.02.070:	Master Plans and Amendments ............................................................................ 4.02-37
4.02.075:	Sign Programs .......................................................................................................... 4.02-38
4.02.080:	Specific Plan Minor Amendments/Alterations .................................................... 4.02-38
4.02.090:	Subdivisions—Reversions to Acreage ................................................................... 4.02-40
4.02.095:	Subdivisions—Tentative Tract and Parcel Maps, and Vesting Maps ................ 4.02-42