Green Building Code: Phoenix vs Tempe
How do green building code rules compare between Phoenix, AZ and Tempe, AZ?
Phoenix, AZ
Maricopa County
Phoenix has adopted the International Green Construction Code (IgCC) as a voluntary overlay through Chapter 10. Mandatory provisions appear in cool-roof and water-efficiency amendments to the IECC and IPC, while LEED and IgCC certification remain optional credit pathways.
View full Phoenix rules →Tempe, AZ
Maricopa County
No data available yet for Tempe.
Key Facts Comparison
| Fact | Phoenix | Tempe |
|---|---|---|
| Code citation | Phoenix Ch. 10, IgCC overlay | - |
| Status | Voluntary plus mandatory amendments | - |
| Cool-roof rule | Mandatory low-slope | - |
| Water fixtures | IPC water conservation | - |
| Permit incentive | Expedited LEED review | - |
Highlighted rows indicate differences between cities.
Phoenix FAQ
Is LEED certification required for Phoenix buildings?
No. LEED and IgCC certification remain voluntary in Phoenix. The Green Construction Code is an optional overlay; the city offers expedited plan review for projects pursuing certification but does not require it.
What green elements are mandatory?
Cool-roof reflectance on low-slope roofs, low-slope insulation minimums, ENERGY STAR baseline equipment, water-conserving plumbing fixtures, and outdoor irrigation efficiency standards. These are enforced through Phoenix Planning and Development plan-check denials.
Is there incentive for going beyond code?
Yes. Phoenix offers expedited plan review for LEED and IgCC projects, and city facilities pursue these standards directly. APS and SRP also offer rebates for energy-efficient design that exceeds baseline IECC requirements.
Tempe FAQ
No FAQs available.
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