Southern Coast / Statewide remote service
Title 24 planning in Orange County
Preparation guidance for energy compliance documentation on projects in Orange County. Requirements are set by the Energy Code and enforced by your local building department.
Hypothetical example / Orange County
Second-story addition over an existing first floor
Suppose an owner adds a second story, extending the existing HVAC to serve it. Extending ducts or replacing equipment can bring additional requirements. The preparer will need the existing system information, the new duct layout, and the new envelope. Asking whether the existing-plus-addition approach would help is worthwhile when existing systems are being improved. If existing ducts are in poor condition, ask whether replacing them now would simplify verification compared with extending them, and ask the contractor to price both before the documents are finalized.
Illustrative scenario only; not a statement about local projects, climate or permit rules.
Scenario checklist
- Record existing HVAC nameplates
- Provide new duct layout
- Specify second-story assemblies and windows
- Ask about existing-plus-addition approach
Before you start in Orange County
- 01Identify which agency reviews permits for your Orange County parcel (city, county or other).
- 02Confirm the building climate zone for the exact address using the CEC tool.
- 03Ask which Energy Code cycle applies to your application date.
- 04Ask whether local amendments or reach codes apply to your scope.
- 05Ask how energy forms should be included: on plan sheets, uploaded separately, or both.
Southern Coast considerations
- +Identify the reviewing jurisdiction first: city, county or another agency.
- +For additions, document clearly what existing systems will change.
Questions
Is there an office in Orange County?
No local office is represented here. Documentation work is plan-based and available remotely statewide.
What climate zone is Orange County in?
Counties can include more than one building climate zone. Confirm the zone for your exact parcel with the CEC climate zone tool or your plan reviewer.
Who enforces the Energy Code in Orange County?
The building department with jurisdiction over your parcel. For unincorporated areas this is often the county; incorporated cities typically have their own. Start from the Orange County official site or your city's site.
How to use the official resources
Government links below are starting points for identifying the authority for the actual property and scope. They are not evidence of an affiliation, an office or approval of this service. Confirm whether the county, an incorporated city or another agency reviews the project.
The CEC climate tool supports a location-specific lookup; this guide assigns no climate zone. The CEC Energy Code Support Center separates edition-specific forms and building categories. Confirm the applicable edition, document family and any registration or verification requirements before using a form.
CEC Energy Code Support Center: forms, FAQs and trainingNext step
Planning a project in Orange County?
Published flat pricing from $149 residential and $399 commercial. Upload plans privately; no payment is taken online.