Room Addition in Santa Rosa, CA
Fast, permit-ready Title 24 Energy Compliance Reports for room addition projects in Santa Rosa. Starting at $195.
Room Addition for Santa Rosa Projects
Santa Rosa sits in Sonoma County, where building activity ranges from small residential remodels to ground-up new construction.
Room additions in Santa Rosa that add conditioned floor area — bedrooms, offices, sunrooms with HVAC — require Title 24 documentation sized to the addition's square footage and systems.
What's Included
Pricing for Santa Rosa Projects
Room Addition for Santa Rosa starts at $195. Same-day rush adds $95. Get an exact quote for your specific project.
Why Climate Zone 2 Matters Here
As part of Climate Zone 2 (North Coast), Santa Rosa projects are modeled against a moderate maritime climate with mild summers and cool, wet winters — which is why a report written for a different zone won't transfer directly.
Estimated from proximity to the nearest CEC reference station — we confirm the exact zone for your project's address before preparing your report.
Frequently Asked Questions
ADU and garage conversion projects make up a large share of the Title 24 reports we prepare for Santa Rosa, followed by room additions and HVAC/window remodels.
Pricing depends on project type: residential reports start at $195, ADU and garage conversion reports start at $250, and commercial reports start at $350. Same-day rush adds $95. See our pricing page for full details.
No. The Title 24 report (CF1R) is the energy design document submitted with your permit. HERS verification is a separate field inspection process — required only for certain compliance credits — performed by a certified HERS rater during construction.
Related Services in Santa Rosa
Room Addition — Nearby Cities
Get Your Room Addition Started
Submit your Santa Rosa project plans today.