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Town of Oro Valley (AZ)

Arizona Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2017
Fire Code Version2018 Building Code
SolarAPP+ StatusAdopted
Wet Stamps RequiredDigital Structural,Digital Electrical
Fire Setback Enforced1

Codes

NEC Code Version
2017
Fire Code Version
2018 Building Code
Code List

2017 NATIONAL ELECTRICAL CODE AMENDMENTS 2018 INTERNATIONAL BUILDING CODE AMENDMENTS 2018 INTERNATIONAL ENERGY CONSERVATION CODE AMENDMENTS 2018 INTERNATIONAL FIRE CODE AMENDMENTS 2018 INTERNATIONAL FUEL GAS CODE AMENDMENTS 2018 INTERNATIONAL MECHANICAL CODE AMENDMENTS 2018 INTERNATIONAL PLUMBING CODE AMENDMENTS 2018 INTERNATIONAL PROPERTY MAINTENANCE CODE AMENDMENTS 2018 INTERNATIONAL RESIDENTIAL CODE AMENDMENTS

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Adopted
Date SolarAPP+ Accepted
44944
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
Existing Systems,Trenching
Revision Required
1
New Planset Required For Module Swap
0

Stamps

Ee Stamp Required On SLD
Yes - 18kW+
Wet Stamps Required
Digital Structural,Digital Electrical
Structural Calculations Required
Yes - Existing PV
Ee Stamp Notes

Projects over 18kW DC require AZ EE stamp.

BALLASTED SYSTEM REQUIRE SS STAMPS: Have the engineer of record provide the total loads to the roof system with the ballast system and the number blocks to be used.

Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
110
Wind Notes

Exposure Category B

Snow Load
0
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes
SE digital stamps on structural plan page sections 1-3. Digitally stamped SE calcs letter. Projects over 18kW DC require AZ EE stamp. Provide point load and average PSF of PV.
Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Meter Adapter,PV Breaker
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.87

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Roof Plan

Show location of strings on roof to match stringing on ELD

Electrical Diagram
  • 3-line and 1-line diagram required on plans
  • When performing load side taps per NEC 2020 705.12(B)(2): From the point of the tap, to the point of the feeder termination, the conductor must be rated at the value of the solar output and the power source (utility). This AHJ does not allow the load side protection of feeders (Main Breaker in sub panel).

Ground mount

Ground Mount Fencing Required
Yes
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the Town of Oro Valley (AZ) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.