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TITLE 9. BUILDING REGULATIONS Revised 2/23

CHAPTER 0.5    ADMINISTRATION Revised 2/23

Article 1.    Title, Scope and General

9-0.5.101    Title

9-0.5.102    Purpose

9-0.5.103    Scope

9-0.5.104    Application to Existing Buildings, Structures and Systems

9-0.5.105    Alternate Materials and Methods of Construction

9-0.5.106    Modifications

9-0.5.107    Tests

9-0.5.108    (Repealed)

9-0.5.109    Conflict Between this Chapter and Building and Safety Codes

9-0.5.110    Penalty

Article 2.    Organization and Enforcement

9-0.5.201    Powers and Duties of Building Official

9-0.5.202    Unsafe Equipment

9-0.5.203    (Repealed)

9-0.5.204    Violations

Article 3.    Permits and Inspections

9-0.5.301    Permits

9-0.5.302    Application for Permits Revised 2/23

9-0.5.303    Permit Issuance Revised 2/23

9-0.5.304    Fees

9-0.5.305    Inspections

9-0.5.306    Connection Approval

9-0.5.307    Certificate of Occupancy

9-0.5.308    Expedited Permitting Process for Small Residential Rooftop Solar Energy Systems

9-0.5.309    Expedited Permitting Process for Electric Vehicle Charging Stations

Article 4.    Appeals

9-0.5.401    Appeals: Establishment of Board of Appeals

9-0.5.402    Appeals: Right to Appeal

9-0.5.403    Appeals: Filing Requirements

9-0.5.404    Appeals: Scheduling and Noticing Requirements

9-0.5.405    Appeals: Final Decision

CHAPTER 1    BUILDING CODE Revised 2/23

9-1.01    Adoption Revised 2/23

9-1.02    Deletions Revised 2/23

9-1.03    Amendments: Section 202 Revised 2/23

9-1.04    Amendments: Section 901.2 Revised 2/23

9-1.05    Amendments: Section 1612.2 Revised 2/23

9-1.06    Amendments: Section 1705.3 Exception 1 Revised 2/23

9-1.07    Amendments: Table 2308.6.1 Revised 2/23

CHAPTER 2    BUILDING MOVING AND DEMOLITION

9-2.01    Purpose of Provisions

9-2.02    Definitions

9-2.03    Demolition Permits

9-2.04    Moving of Buildings Permits

9-2.05    Permit Fees

9-2.06    Application to Move Building Within City Limits

9-2.07    Safety Requirements

9-2.08    Notice to Cease

9-2.09    Bond

9-2.10    Forfeiture of Cash Bond

9-2.11    Completion of Work by City

9-2.12    Improvements for Traffic

CHAPTER 3    ELECTRICAL CODE Revised 2/23

Article 1.    General Provisions

9-3.01    Adoption Revised 2/23

Article 6.    Underground Utility District No. 1 (Deleted)

Article 7.    Establishment of Underground Utility Districts

9-3.701    Definitions

9-3.702    Council May Designate Underground Utility Districts by Resolution

9-3.703    Overhead Wires: Unlawful to Maintain Poles, Etc.

9-3.704    Overhead Wires: Exception by Special Permission

9-3.705    Exceptions: Fire Alarm Boxes, Street Lighting, Traffic Signals and Very High Voltage Transmission Lines

9-3.706    Overhead Wires: Notification of Affected Property Owners and Utilities

9-3.707    Overhead Wires: Underground Construction

9-3.708    Overhead Wires: Property Owners' Responsibility

9-3.709    Service of Notice

9-3.710    Contents of Notice

9-3.711    Performance of Work by City: Assessment

9-3.712    Notice of Assessment

9-3.713    Hearing and Confirmation of Assessment

9-3.714    Assessment as Lien

9-3.715    Overhead Wires: Force Majeure

Article 8.    Undergrounding, General

9-3.801    Undergrounding Required

9-3.802    Waivers

9-3.803    Exceptions. E-R-200 Districts

9-3.804    Underground Districts

CHAPTER 4    PLUMBING CODE Revised 2/23

9-4.01    Adoption Revised 2/23

9-4.02    Deletions Revised 2/23

CHAPTER 5    SIGNS (Repealed - See Title 10)

CHAPTER 5    HOUSING CODE

9-5.01    Adoption of the Uniform Housing Code (1997 Edition)

9-5.02    Deletions

9-5.03    (Repealed)

9-5.04    Amendments: Section 1501.2 of the Housing Code

9-5.05    Amendments: Section 1612

CHAPTER 6    MECHANICAL CODE Revised 2/23

9-6.01    Adoption Revised 2/23

9-6.02    Deletions Revised 2/23

CHAPTER 7    DANGEROUS BUILDINGS CODE

9-7.01    Adoption

9-7.02    Deletions

9-7.03    Amendments

CHAPTER 8    (Repealed)

CHAPTER 9    SITE DEVELOPMENT

Article 1.    Grading, Excavation and Filling

9-9.01    Purpose

9-9.02    Permits Required

9-9.03    Definitions

9-9.04    Permit Application

9-9.05    Issuance of Permit

9-9.06    Soils and Engineering Geology Report

9-9.07    General Grading Regulations

9-9.08    Specific Grading Regulations

9-9.09    Grading Progress and Inspection

9-9.10    Duration of Permit

9-9.11    Hazards

9-9.12    Nuisance

9-9.13    Exemptions

Article 2.    Site Improvement

9-9.201    Purpose

9-9.202    Permits required

9-9.203    Definitions

9-9.204    Plans required

9-9.205    Frontage Improvements

9-9.206    Conditions of Permit Approval

9-9.207    Fees and Security

9-9.208    Issuance of Permit

9-9.209    Duration of Permit

9-9.210    Completion of Site Improvements

CHAPTER 10    SOLAR UTILITY

9-10.01    Purpose

9-10.02    Establishment of Utility

CHAPTER 11    TIME-OF-SALE RESIDENTIAL WEATHERIZATION DISCLOSURE

9-11.01    Policy and Purpose

9-11.02    Weatherization Disclosure Requirements

9-11.03    Acknowledgment by Buyer

9-11.04    Standardized Form

9-11.05    Non-compliance: Effect on Transfer

9-11.06    Use of Information

CHAPTER 12    FLOODPLAIN MANAGEMENT Revised 2/23

PART I.    SCOPE AND ADMINISTRATION

Article 1.    General Provisions

9-12.1.101    Title Revised 2/23

9-12.1.102    Statutory Authority Revised 2/23

9-12.1.103    Scope Revised 2/23

9-12.1.104    Purposes and Objectives Revised 2/23

9-12.1.105    Coordination with California Building Standards Code Revised 2/23

9-12.1.106    Warning Revised 2/23

9-12.1.107    Disclaimer of Liability Revised 2/23

9-12.1.108    Other Laws Revised 2/23

9-12.1.109    Abrogation and Greater Restrictions Revised 2/23

Article 2.    Applicability

9-12.1.201    General Applicability Revised 2/23

9-12.1.202    Establishment of Flood Hazard Areas Revised 2/23

9-12.1.203    Interpretation Revised 2/23

Article 3.    Definitions

9-12.1.301    General Revised 2/23

9-12.1.302    Definitions Revised 2/23

Article 4.    Duties and Powers of the Floodplain Administrator

9-12.1.401    Designation Revised 2/23

9-12.1.402    General Authority Revised 2/23

9-12.1.403    Coordination Revised 2/23

9-12.1.404    Duties Revised 2/23

9-12.1.405    Substantial Improvement and Substantial Damage Determinations Revised 2/23

9-12.1.406    Department Records Revised 2/23

Article 5.    Permits for Floodplain Development

9-12.1.501    Permits Required Revised 2/23

9-12.1.502    Application for Permit Revised 2/23

9-12.1.503    Validity of Permit Revised 2/23

9-12.1.504    Other Permits Required Revised 2/23

9-12.1.505    Expiration Revised 2/23

9-12.1.506    Suspension or Revocation Revised 2/23

9-12.1.507    Appeals of Decisions Revised 2/23

Article 6.    Site Plans and Construction Documents

9-12.1.601    Information for Development in Flood Hazard Areas Revised 2/23

9-12.1.602    Information in Flood Hazard Areas Without Base Flood Elevations (Approximate Zone A) Revised 2/23

9-12.1.603    Additional Analyses and Certifications Revised 2/23

9-12.1.604    Submission of Additional Data Revised 2/23

Article 7.    Inspections

9-12.1.701    Inspections; in General Revised 2/23

9-12.1.702    Inspections of Development Other Than Buildings and Structures Revised 2/23

9-12.1.703    Inspections of Manufactured Homes Installations Revised 2/23

9-12.1.704    Buildings and Structures Revised 2/23

Article 8.    Variances

9-12.1.801    Nature of Variances Revised 2/23

9-12.1.802    Variances; General Revised 2/23

9-12.1.803    Limitations on Authority Revised 2/23

9-12.1.804    Records Revised 2/23

9-12.1.805    Historic Structures Revised 2/23

9-12.1.806    Restrictions in Floodways Revised 2/23

9-12.1.807    Functionally Dependent Uses Revised 2/23

9-12.1.808    Agricultural Structures Revised 2/23

9-12.1.809    Considerations for Issuance of Variances Revised 2/23

9-12.1.810    Conditions for Issuance of Variances Revised 2/23

Article 9.    Violations

9-12.1.901    Violations Revised 2/23

9-12.1.902    Authority Revised 2/23

9-12.1.903    Unlawful Continuance Revised 2/23

PART II.    FLOOD RESISTANT DEVELOPMENT

Article 1.    Buildings and Structures

9-12.2.101    Requirements for Buildings and Structures in Flood Hazard Areas Revised 2/23

9-12.2.102    Detached Garages and Accessory Storage Structures Revised 2/23

9-12.2.103    Utility and Miscellaneous Group U Revised 2/23

Article 2.    Subdivisions

9-12.2.201    Minimum Requirements Revised 2/23

9-12.2.202    Subdivision Requirements Revised 2/23

Article 3.    Site Improvements, Utilities and Limitations

9-12.2.301    Minimum Requirements Revised 2/23

9-12.2.302    Sanitary Sewer Facilities Revised 2/23

9-12.2.303    Water Supply Facilities Revised 2/23

9-12.2.304    Development in Floodways Revised 2/23

9-12.2.305    Limitations on Placement of Fill Revised 2/23

Article 4.    Installation of Manufactured Homes

9-12.2.401    Installation Revised 2/23

9-12.2.402    Foundations Revised 2/23

9-12.2.403    Anchoring Revised 2/23

9-12.2.404    General Elevation Requirement Revised 2/23

9-12.2.405    Elevation Requirement for Certain Existing Manufactured Home Parks and Subdivisions Revised 2/23

9-12.2.406    Flood Damage-Resistant Materials Revised 2/23

9-12.2.407    Enclosures Revised 2/23

9-12.2.408    Protection of Mechanical Equipment and Outside Appliances Revised 2/23

Article 5.    Recreational Vehicles

9-12.2.501    Temporary Placement Revised 2/23

9-12.2.502    Permanent Placement Revised 2/23

Article 6.    Other Development

9-12.2.601    General Requirements for Other Development Revised 2/23

9-12.2.602    Tanks Revised 2/23

9-12.2.603    Requirements for Temporary Structures and Temporary Storage in Flood Hazard Areas Revised 2/23

9-12.2.604    Fences in Floodways Revised 2/23

9-12.2.605    Oil Derricks Revised 2/23

9-12.2.606    Retaining Walls, Sidewalks and Driveways in Floodways Revised 2/23

9-12.2.607    Roads and Watercourse Crossings in Floodways Revised 2/23

9-12.2.608    Swimming Pools Revised 2/23

Article 7.    Flood Control Projects

9-12.2.701    Flood Control Projects; General Revised 2/23

9-12.2.702    Flood Control Projects; Applications Revised 2/23

CHAPTER 13    (Repealed)

CHAPTER 14    EARTHQUAKE HAZARD REDUCTION IN EXISTING BUILDINGS

9-14.01    Purpose

9-14.02    Scope

9-14.03    (Repealed)

9-14.04    General Requirements

9-14.05    Administration

9-14.06    Minimum Earthquake Standards

9-14.07    (Repealed)

9-14.08    (Repealed)

CHAPTER 15    RELOCATION ASSISTANCE

9-15.01    Definitions

9-15.02    Purpose

9-15.03    Application

9-15.04    Notice

9-15.05    Relocation Assistance

9-15.06    Revocation of Permits

9-15.07    Damages

CHAPTER 16    STORM WATER MANAGEMENT AND DISCHARGE CONTROL

9-16.101    Intent and Purpose

9-16.102    Definitions

9-16.103    Responsibility for Administration

9-16.104    Construction and Application

9-16.105    Stormwater Control Plan Required

9-16.106    Prohibited Discharges

9-16.107    Discharge in Violation of NPDES Permit

9-16.108    Unlawful Discharge and Unlawful Connections

9-16.109    Best Management Practices and Standards

9-16.110    Authority to Inspect

9-16.111    Violations

9-16.112    Penalty for Violation

9-16.113    Continuing Violation

9-16.114    Concealment

9-16.115    Acts Potentially Resulting in Violation of the Federal Clean Water Act or Porter-Cologne Act

9-16.116    Civil Actions

9-16.117    Remedies Not Exclusive

9-16.118    Judicial Review

CHAPTER 17    ENERGY CODE Revised 2/23

9-17.01    Adoption Revised 2/23

CHAPTER 18    HISTORICAL BUILDING CODE Revised 2/23

9-18.01    Adoption Revised 2/23

CHAPTER 19    FIRE CODE Revised 2/23

9-19.01    Adoption Revised 2/23

9-19.02    Adoption of Amendments and Appendices in Contra Costa County Fire Protection District Ordinance No. 2022-34 Revised 2/23

CHAPTER 20    RESIDENTIAL CODE Revised 2/23

9-20.01    Adoption Revised 2/23

9-20.02    Deletions Revised 2/23

9-20.03    Amendments: Section R202 Revised 2/23

9-20.04    Amendments: Section R322.2.1 Revised 2/23

9-20.05    Amendments: Table R602.10.3(3) Revised 2/23

CHAPTER 21    GREEN BUILDING CODE Revised 2/23

9-21.01    Adoption Revised 2/23

9-21.02    Amendments: Section 4.106.4.1 Revised 2/23

9-21.03    Amendments: Section 4.106.4.2.1 Revised 2/23

9-21.04    Amendments: Section 4.106.4.2.2 Revised 2/23

9-21.05    Amendments: Table 5.106.5.3.1 Revised 2/23

CHAPTER 22    EXISTING BUILDING CODE Revised 2/23

9-22.01    Adoption Revised 2/23

9-22.02    Deletions Revised 2/23

9-22.03    Amendments: Section 202 Revised 2/23