Title 24 Guide

Everything You Need to Know About Title 24 in California

Title 24 is California's mandatory energy efficiency code. Whether you're building an ADU, adding a room, converting a garage, or developing multifamily housing, this guide explains exactly what's required, what it costs, how long it takes, and how to get your permit-ready report fast. Pick any topic below.

Title 24 Basics

What Is a Title 24 Report? The plain-English overview of what Title 24 is and why your permit needs it. Read more → What Is a CF1R Report? The residential Certificate of Compliance — required for homes, ADUs, and additions. Read more → What Is an LMCC Report? The multifamily compliance certificate for duplexes, triplexes, fourplexes & apartments. Read more → CF1R vs LMCC A side-by-side: which report your project needs based on unit count and stories. Read more → When Is Title 24 Required? When a permit triggers Title 24 — and the few projects that are exempt. Read more →

Pricing & Timing

How Much Does It Cost? Transparent fixed-rate pricing for ADU, residential, and multifamily reports. Read more → Turnaround Time Standard 2–3 business days — plus what speeds it up or slows it down. Read more → Rush & Same-Day Service Next-business-day and same-day options when your permit deadline can’t wait. Read more →

Ordering & Process

What Documents to Upload Exactly which plans and details to send so your report is fast and accurate. Read more → What Affects My Report Climate zone, envelope, HVAC, and size — the inputs that decide compliance. Read more → What Happens After I Order The five-step path from upload to a permit-ready PDF in your inbox. Read more → Preliminary Plans Yes — you can order with early-stage drawings. No final stamped set required. Read more → If My Plans Change What to do when scope shifts after ordering — revisions and re-registration. Read more → Plan-Check Comments Got city corrections on your energy docs? Here’s how we revise and resubmit. Read more →

Compliance & Acceptance

California Climate Zones How California’s 16 climate zones shape your energy requirements. Read more → Accepted by Building Depts Why our reports pass plan check statewide, from LA to Sacramento to San Diego. Read more → What Is CHEERS? The state registry your report is filed with — and why it’s required. Read more →

Project Types

ADUs & Title 24 Detached, attached, or garage-conversion ADUs — what’s required, from $199. Read more → Garage Conversions Converting a garage creates conditioned space — and usually triggers Title 24. Read more → Room Additions When a room addition needs an energy report — and which price tier applies. Read more → Window Replacements When swapping windows triggers Title 24 — and which specs matter. Read more →

HERS & Service Area

Do I Need a HERS Rater? How the report and the field rater work together — and when HERS is required. Read more → Title 24 vs HERS Two terms, two stages — a clear timeline of which comes first and why. Read more → Title 24 Near Me Serving every California county online — LA, OC, Riverside, San Diego & beyond. Read more →

Why Choose Title24Comply?

CHEERS-Registered Reports
Fast 2–3 Day Turnaround
Rush Service Available
California Energy Specialists
Free Minor Revisions Included
Permit Submission Ready
Affordable Fixed-Rate Pricing Starting at $199
100% Online — Order From Anywhere in CA