Title 24 Resources & Guides
Practical, plain-English answers to California energy compliance questions.
What Is Title 24? A Complete Guide for California Homeowners & Contractors
Learn what California's Title 24 Energy Code requires, who needs a report, and how the compliance process works from permit to final inspection.
How Much Does a Title 24 Report Cost in California? 2026 Prices
Title 24 reports start around $195 in California. See 2026 pricing for ADUs, remodels, additions, new construction and commercial projects.
Do ADUs Require a Title 24 Energy Report in California?
Yes — all California ADUs require energy compliance documentation. Here's what you need, what it costs, and how to get it done fast.
The 16 California Energy Climate Zones Explained
California is divided into 16 climate zones that determine your Title 24 requirements. Find out which zone your city is in and what it means for your project.
Title 24 Requirements for Garage Conversions in California
Converting your garage to an ADU or living space? Here's exactly what Title 24 documentation you need and why it matters for your permit.
What Is a CF1R Report? California Certificate of Compliance Explained
What is a CF1R report? Learn when a California Title 24 Certificate of Compliance is required, what information it includes, and how CF1R, CF2R and CF3R fit together.
What Is HERS Verification and Do I Need It?
HERS verification is a field inspection required for certain Title 24 compliance credits. Here's when it applies and how the process works.
How Long Does a Title 24 Report Take?
Standard Title 24 turnaround is 24-48 hours, with same-day rush options available. Here's what affects timing and how to plan your permit schedule around it.
2025 California Energy Code Updates: What Changed for ADUs?
The 2025 Energy Code took effect January 1, 2026 and is now the active standard for new permit applications. Here's what changed, what depends on your project type, and how to tell which code cycle applies to you.
Title 24 Checklist: What You Need to Submit for Your Energy Report
Speed up your Title 24 report by submitting complete information upfront. Here's exactly what to gather before you contact a consultant.
Preparing for Plan Check: Common Title 24 Mistakes to Avoid
These are the most frequent reasons Title 24 reports get flagged or rejected during plan check — and how to avoid them.
Title 24 for JADU vs ADU: What's the Difference?
JADUs and ADUs both require Title 24 compliance, but the specific requirements and forms differ. Here's how to tell them apart and what each needs.
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