Title 24 Reports in Fresno
Every ZIP code in the city of Fresno is climate zone 13. Fresno County is not — the Sierra communities east of the city are zone 16, so a county address has to be checked rather than assumed.
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The city is one zone, the county is not
For a project inside the city limits the zone is not in question: all 17 Fresno ZIP codes carry zone 13. Fresno County is another matter. Head east into the Sierra and the assignment changes — Auberry, Big Creek, Shaver Lake and Lakeshore are zone 16, the mountain zone, at the opposite end of the state's range from the valley floor.
The line does not fall anywhere you would notice from the road. Tollhouse and Dunlap, both well into the foothills already, are still zone 13. So an address that reads as Fresno on an envelope and sits at Sierra elevation cannot be taken either way: it is the ZIP code the Energy Commission assigns that sets the requirements, not the drive time from downtown.
Zone 13 runs the length of the valley
The zone covers 194 ZIP codes down the southern San Joaquin Valley, and Fresno shares it with Clovis, Sanger, Selma, Madera, Visalia, Hanford, Tulare and Bakersfield. Anywhere in that band the envelope and equipment targets are the same, so on a valley project the useful question is rarely which zone applies — it is what the scope of work actually triggers.
What a valley zone does change is where the calculation gets tight. Cooling drives the result rather than heating, which puts more weight on glazing area and orientation, duct location and equipment efficiency. A west-facing wall of glass that clears comfortably in a coastal zone will often not clear here without something else compensating for it.
Permitting through Planning and Development
Permits inside the city are issued by the City of Fresno Planning and Development Department, which plan-checks the energy compliance forms against the drawings. Work on unincorporated land goes to the county instead — a distinction that carries more weight in Fresno than in most places, because the two jurisdictions can sit in different climate zones.
Common Title 24 Questions in Fresno
- Is all of Fresno in climate zone 13?
- Is a project east of Fresno in zone 13 or zone 16?
- Does the city or the county review my Fresno permit?
- Does Clovis use the same climate zone as Fresno?
- What does Planning and Development check in the energy forms?
- Does a Fresno ADU or garage conversion need an energy report?
- Why does west-facing glazing matter more on a valley project?
- Do Fresno tenant improvements need the nonresidential forms?
Fresno projects fall in California climate zone 13. The zone drives the envelope and equipment requirements a report has to meet, and a single city can span more than one, so it is confirmed per address.