Building
- Accessibility information for businesses
- Asbestos Disclosure for Demolition Projects
- Building Permit & Plan Check Process
- Building Permit Process for Residential Construction/Development
- Building Plan Check Submittal Checklist
- Building Revision Plan Check Submittal Checklist
- CAL/OSHA Requirements
- California Green Building Code for Residential 2019
- California Green Building Code for Non-Residential 2019
- CEQA Requirements - Oil Wells
- Commercial Plan Check Correction List
- Designation of Financially Responsible Party
- Electrical Vehicle Charging System Checklist for Residential Buildings
- Eligibility Checklist for Expedited Solar Photovoltaic Permitting for One & Two Family Dwellings
- Erosion & Sediment Control Plan Instruction Manual
- Expedited Vehicle Charging Station Plan Check Requirements & Procedures
- Foundation Requirements for Minor Additions and Accessory Structures
- General Notes for Construction Development
- Guidelines for Implementation of Landscape Irrigation Code
- Hydromodification Management Plan (HMP) for South Orange County
- Landscape Irrigation Code
- Letter of Authorization
- Map - OC Water Quality Control Boards
- New vs. Major Remodel Policy Signed
- North Orange County "Non-Priority" Project Water Quality Management Plan Template (WQMP)
- North Orange County "Priority" Project Water Quality Management Plan Template (WQMP)
- North Orange County Model WQMP Technical Guidance Document
- NPDES Notes
- OC Development Services Fee Ordinance (2020-2024)
- OC Development Services Fee Ordinance (2024-2027)
- OC Construction Runoff Guidance Manual
- Oil Well Code
- On-Site Sewage Absorption System Guidelines
- Owner Builder Information
- Owner/Builder Acknowledgement & Information Verification
- Plumbing Fixture Replacement (SB 407) Requirements & Policies
- Request for Refund/Transfer/Withdrawal
- Requirements for Abandoned Sewage Disposal Facilities
- Residential Bathroom Remodel Requirements
- Residential Kitchen Remodel Requirements
- Residential Plan Check Correction List CRC 2019
- Residential Plan Check Correction List CRC-R3 2019
- Residential Window Changeout
- Retaining Wall Permit Requirements
- Smoke & Carbon Monoxide Alarm Self-Certification
- Solar Structural Criteria
- South Orange County Hydrology Model (SOCHM) Guidance Manual
- South Orange County Model WQMP - SOC Model WQMP
- South Orange County Water Quality Management Plan Template Word Doc (WQMP)
- Special Inspection Program & Designation of Special Inspectors
- Special Inspector Approved Agencies List 2025
- Structural Observation Program
- Structural Observation Report Form
- Swimming Pool and Spa Packet
- Swimming Pool and Spa Slope Setback Requirements
- Swimming Pool/Spa Questionnaire
- Swimming Pool Plan Check Process
- Swimming Pool Note Sheet
- Swimming Pool Demolition Requirements
- Tankless Water Heater Submittal Requirements
- Typical Plot Plan Guidelines
- Unreasonable Hardship Form
- Wall(s) and Fences Submittal Form
- Water Quality Checklist for Categorizing Projects as "Priority" or "Non-Priority"
- Well Plugging and Abandonment Report
- Water Use Classifications of Landscape Species (WUCOLS) 2000 - Guide to Estimating Irrigation Water Needs
- Work Completion Agreement
Encroachment
- Flood Insurance Requirements
- Letter of Authorization
- NPDES Compliance Form
- Owner Builder Statement
- Road Insurance Requirements
- Special Events Insurance Requirements
- Surety Rider
- Temporary Traffic Control Plans
- Transportation Permit Application Annual
- Transportation Permit Application Single
- Transportation Insurance Requirements
- Transportation Terms & Conditions
- Wireless Facilities Checklist
Grading
- Agreement for Drainage Encumbrances
- Asbestos Disclosure for Demolition Projects
- Designation of Financially Responsible Party
- Final Soils Report Requirements
- Grading Cash Bond
- Grading Certificate of Deposit Assignment
- Grading Irrevocable Letter of Credit
- Grading Notes
- Grading Plan Check Checklist
- Grading Plan Standard Correction List
- Grading Surety Bond
- Permission to Grade Off-Site
- Precise Grading Permit Pre-Paving Meeting
- Precise Grading Permit Pre-Grading Meeting
- Preliminary Grading Permit Pre-Grading Meeting
- Qualifications for Certification of Archaeological & Paleontological
- Red Imported Fire Ant Form
- Rough or Final Grade Certification
- Site Grading for drainage around building policy
Planning
- Accessory Dwelling Unit (ADU) for Single-Family and Multifamily (Updated April 2025)
- Affordable Housing Permit Handout
- Appeals Procedure (Updated October 2024)
- CEQA Checklist
- CEQA Environmental Information Request Form
- Concurrent Processing
- Flexible Development Standards Permit Handout
- Group Home Permit Application
- Home Occupation Verification Form
- Mills Act Program Info Sheet 2022
- Mills Act State Information Sheet 2022
- Occupancy Permit Package
- SB 9 Guidance Handout (August 2023)
- SB 9 Summary Table (August 2023)
- SB 330 Formal Application/Checklist
- SB 330 Premliniary Application Checklist
- Short-Term Rental Handout