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County of Maricopa (AZ)

Arizona Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2017
Fire Code Version2018 Building Code
SolarAPP+ StatusTesting
Wet Stamps RequiredNone
Fire Setback Enforced1

Codes

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

2018 International Building Code

2018 International Residential Code

2018 International Plumbing Code

2018 International Mechanical Code

2018 International Fuel Gas Code

2018 International Green Construction Code (Optional)

2018 International Energy Conservation Code (Optional)

2018 International Existing Building Code

2017 National Electric Code

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Testing
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
How Many Plansets Required
1
Revision Required
1
Rough Inspection
None
New Planset Required For Module Swap
0

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
None
Structural Calculations Required
No
Stamp Location On Plans
N/A
Date On Stamps
N/A

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
115
Wind Notes

Exposure Category B

Snow Load
0
Reducible Snow Load Allowed
0
Max Attachment Spacing
96
Structural Notes

Structural calculations only required for mobile homes _ ** **_Structural Calcs should include 2012 building codes.

Minimum Ground On Roof
#10

Electrical

AC Disconnect Conditional Criteria
When installing an inverter in garage or enclosed area, an additional disconnect will be required. Provide A/C disconnection means within sight of the inverter and easily accessible (NEC 690.15, 690.17, 705.70).
Electrical Load Calcs Required
All Jobs
Allowed POI
Line Side Taps,PV Breaker,Load Side Taps,Meter Adapter
Panel Schedule Required
N/A
Temperature Rating
90
De Rating Ampacity
0.87

Battery / ESS

Unique Battery Placards Needed
1
ESS Notes

Elevation Drawing: 

Required - Elevation drawing of the wall that the equipment is being mounted on. Include the following notes with the elevation drawing:

Include these notes:

  • EXTERIOR ESS UNITS WILL NOT BE INSTALLED WITHIN 5' (IN ANY DIRECTION) OF ALL WINDOWS, DOORS AND HVAC INLETS
  • ESS UNITS WILL BE INSTALLED NO LESS THAN 3' FROM OTHER ESS UNITS

Site Plan and ELD(s):

Required: Disco and PM between B/U load panel and inverter.

Call out ESS Disco as "DER Storage Disconnect".

Call out ESS PM as "DER Storage Meter".

Call out make and model for all Disconnects.

Show blades of all Disconnects open to the inverter.

Separate ESS Disconnect Required
Gateway Disconnect
ESS Elevation Detail Required
Yes - with dimensions

Plan set

Plan Set Requirements


Structural: Manufactured Homes and Metal Structures require PE Stamps and PE calculations.

Cover Page

NEEDS APN/PARCEL

FIND PARCEL# https://mcassessor.maricopa.gov/

Cover Page Notes


Site


Site Notes

Batttery [EXTERIOR ESS UNITS WILL NOT BE INSTALLED WITHIN 5' (IN ANY DIRECTION) OF ALL WINDOWS, DOORS AND HVAC INLETS // ESS UNITS WILL BE INSTALLED NO LESS THAN 3' FROM OTHER ESS UNITS]

Electrical Diagram
  • PCS is allowed
  • SLD and TLD required
  • Any Third Party Owned financed project we'll need to add CT's to the line diagram
  • When installing an inverter in garage or enclosed area, an additional disconnect will be required. Provide A/C disconnection means within sight of the inverter and easily accessible (NEC 690.15, 690.17, 705.70).
  • Center fed 120% allowed
Custom Placards Required
0
Non Standard Planset Requirements
Single Line Diagram
Non Standard Revision Requirements

Revisions to sealed plans must be re-sealed, re-signed, and re-dated by the professional registrant. Complete plan sets are required with a resubmittal. Please include a response letter outlining the changes made.

Ground mount

Ground Mount Fencing Required
No
Ground Mount Notes
  • AHJ does not permit Nuance racking, please ensure designs are built with Ironridge
  • The ground mount cannot be located within the front yard and street yard setbacks of the property or in any easements. It needs to be a minimum of 5 feet from the side and rear yards and not occupy more than 30% of those required yards (Maricopa County Zoning Ordinance Chapter 11 - Accessory)
  • Indicate on your plans the foundation type to be used, provide a liner dimension at the foundation type used for this PV Solar System
  • Label the surface type of the driveway on the revised site plan. Note that all driveways must be of a dust-free material or paved and may not be labeled as “dirt”
  • The site plan should show all existing structures on the parcel. Any existing, unpermitted structure erected after January first, 2000 will require as-built construction plans or will be required to be removed from the site. The site plan does not include required parcel data. Please show the area of all existing structures, the area of the new PV system, the aggregate area in square feet of new and old structures, and the percent of the lot covered.
  • Include the dimensions of the new PV system on the revised site plan. All dimensions must correlate with the submitted building plans.
  • Septic Search: https://www.maricopa.gov/FormCenter/Environmental-Services-16/Online-Septic-Search-92
Setback Back Yard
5
Setback Side Yard
5
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the County of Maricopa (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.