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. Rush service may be available for an additional $100 depending on project scope and scheduling availability. 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
Apex provides Title 24 documentation services for projects in Santa Rosa, including ADUs, garage conversions, room additions, residential remodels, new construction, HVAC or window alterations, and commercial work. The required compliance process depends on the project scope and permit requirements.
Pricing depends on project type: residential reports start at $195, ADU and garage conversion reports start at $250, and commercial reports start at $350. Rush service may be available for an additional $100 depending on project scope and scheduling availability. 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.