Title 24 reports in San Diego.
CF1R and NRCC energy compliance for San Diego projects: new homes, ADUs, additions, remodels and commercial work. From $200, back in two business days, with plan-check corrections included.
San Diego is in Climate Zone 7, San Diego Coastal
The mildest climate in the state's largest southern metro. Both loads are small, and the prescriptive package is usually comfortable.
Where San Diego projects usually lose margin: Ducts in conditioned space and a good SHGC are typically all the margin a project needs.
Every compliance run for a San Diego project uses the CEC weather file for San Diego, the reference station for Zone 7. That file, not the address, is what the energy budget is calculated against, which is why getting the zone right matters more than anything else about location.
Read Zone 7 in full →ADUs and conversions
From $200. Most are exempt from the solar PV requirement; envelope and equipment rules still apply in full.
Additions and remodels
From $300. Modelled as two zones, existing and addition, so the new floor area is judged on its own standard.
New homes
From $300, including solar PV and battery sizing to the 2025 code.
Commercial & TI
Quoted on a call. NRCC envelope, mechanical and lighting plus the performance run.
San Diego climate zone lookup
Pre-set to Zone 7. Enter any other San Diego-area ZIP to check a specific address.
Schematic: nodes are placed for legibility, not survey accuracy. Zone boundaries follow ZIP code lines.
Enter a city or ZIP code, or click any numbered node on the map, and we'll tell you the zone, what drives the design there, and where projects usually lose margin.
Zone assignment is set by the California Energy Commission and follows ZIP code boundaries. A handful of cities straddle two zones. If yours is one of them we will confirm it from the address for free.
Title 24 in San Diego
How much does a Title 24 report cost in San Diego?
The same published rates as everywhere else in California: from $200 for an ADU or garage conversion, and $300 for an addition or remodel. Commercial NRCC work and multifamily are quoted on a call. San Diego projects are not priced differently. The calculator on this site gives you the exact number.
Which climate zone is San Diego in?
San Diego sits in California Climate Zone 7, San Diego Coastal. The compliance model runs against the CEC weather file for San Diego, and design is driven mainly by cooling.
Zone assignment follows ZIP code boundaries, so a large city can span more than one zone. Send us the project address and we'll confirm it free.
Do you work with San Diego building departments?
Yes. Reports are produced to the state standard, which is what every California jurisdiction plan-checks against, and the forms sheet is sized to drop straight into your plan set. If San Diego plan check comes back with a comment on the energy documents, the correction is included at no charge.
Also serving
All 58 California counties and all 16 climate zones. See the full list.
Have a San Diego project? Send the plans.
Fixed price and a delivery date the same day, then signed forms in five business days.
Or call (909) 914-0305 and you'll get the engineer, not a receptionist.