Solar App - Instant Permitting

Solar Devices:  Solar energy equipment mounted on rooftops may exceed the maximum allowable height for the zoning district by up to five (5) feet; (Zoning Ordinance 404.H.11.a)

Cottonwood’s SolarAPP+ Pilot Program:

This pilot program is currently only available to pre-approved contractors. If you are interested in participating in the pilot program, please contact Michelle Mustain at 928-634-5505 X3327.

SolarAPP+ is a third-party software program that can be used to verify code compliance for residential photovoltaic (PV) projects. The City of Cottonwood Building Department will accept SolarAPP+-approved designs for the application and permitting of residential photovoltaic projects. Please see the information below to determine project eligibility and the process for submittal and permit.

Submitting with SolarAPP+

1. Determine Eligibility:

o Must be an Arizona licensed contractor and have a Cottonwood Business Registration number

o Residential (single-family or duplex residence) rooftop installations only

o Structure supporting PV system must be legal, permitted, code-compliant structure

o No ballasted or ground-mounted systems

o Not located within the Historic Preservation district or FEMA Special Flood Hazard Area

o Must meet the following technical requirements:

 No existing PV or energy storage systems

 PV system roof loading not to exceed 4 psf dead load

2. Submit for Review through SolarAPP+:

o Submit the proposed design to SolarAPP+

o Register or login

o Input project design parameters into SolarAPP+

o A processing fee will be assessed by SolarAPP+ for the use of their product

3. Apply for your permit through the City of Cottonwood Building Department:


o Applicant must enter SolarAPP+ approval ID in the applicable field and complete the details, along with a Cottonwood Business Registration Number.

Cottonwood City Business Registration

o Upload all of SolarAPP+-approved documents and plot plan. Submit payment, pay, and print out the permit instantly.

4. Revisions:

o Submit revised plans to SolarAPP+ and obtain the required approval report.

o Applicant must include “Revision", permit number, and property address in the subject line of the email to:

o The Building Department will update the existing permit and notify the applicant via email if additional fees are due.