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Solar site surveys · Phoenix, AZRoof, attic and service panel captured in one visit, with the plan set built for the Phoenix AHJ you submit into and the utility that serves the address.
In metro Phoenix each city is its own permitting authority, and codes differ: the City of Phoenix enforces the 2024 I-Codes, the 2023 NEC and a 2024-based fire code with its own PV pathway amendments. Both APS and SRP serve the Valley with boundaries that do not follow city lines, so confirm the utility for each address, and plan surveys around summer heat, tile roofs and monsoon weather.
Arizona state rules apply here, plus whatever the local AHJ amends.
Phoenix had 113 straight days of 100°F-plus weather in 2024 and 70 days at 110°F or above, which makes early-morning roof time and heat-illness controls essential.9,10
Many Valley homes have concrete tile roofs whose underlayment degrades with age and heat. Record tile type, broken tiles and underlayment condition, since these drive the mounting method and possible re-roof work.11,12
From mid-June through September, thunderstorm outflows can produce damaging winds, hail and large dust storms. Dust also builds up on modules, and Maricopa County designs for a 115 mph wind speed.13,14
Phoenix's fire code amendments apply PV roof pathway rules to one- and two-family homes even where the base IFC would exempt IRC-built or low-slope roofs, which affects how much of the roof can hold panels.8
The main AHJs, and how the rest of the metro splits up.
Phoenix accepts SolarAPP+ approvals for residential rooftop PV on single-family homes and duplexes by Arizona-licensed contractors; the approval ID is entered in the PDD online permit application. Systems with batteries, ground mounts, or sites in historic districts or flood hazard areas are excluded, and a separate Phoenix Fire Department PV permit is also required.15,16
Official page ↗Enforces the Phoenix Fire Code (2024 IFC with amendments, effective February 17, 2026), which requires a fire permit for PV of 3 kW AC or more and applies roof pathway rules to one- and two-family homes.7,8
Official page ↗Handles unincorporated Maricopa County only and accepts SolarAPP+ for eligible rooftop residential PV; flood hazard areas, hillside zones, manufactured homes and ballasted systems go through standard review.17
Official page ↗Each incorporated city or town in the Valley issues its own solar permits and adopts its own code editions (Avondale, for example, moved to the 2024 I-Codes and 2023 NEC on January 1, 2026); Maricopa County covers only unincorporated land.17,3
APS and SRP both serve large parts of the Phoenix metro, and their territories interleave rather than following city limits, so check the service map or the customer's bill. The City of Mesa also runs its own electric utility and solar program for part of Mesa.23,24,25
Largest Arizona utility, serving about 1.4 million customers in 11 of 15 counties; installers submit interconnection applications through APS's PowerClerk portal, and solar customers must be on a time-of-use plan.23,26,27
Interconnection page ↗Public power utility serving much of the Phoenix area; installers apply through SRP's PowerClerk portal, an SRP design consultant reviews the electrical design, and the customer has six months to finish installation and commissioning.28,29
Interconnection page ↗The same capture standard as every other Arizona job, so the plan set is built on what the technician verified on site.
Phoenix accepts SolarAPP+ approvals for eligible residential rooftop PV, which skips manual plan review. Battery systems, ground mounts and sites in historic districts or flood zones are not eligible and go through the regular process.15
Since August 1, 2025, Phoenix has enforced the 2024 International Codes and the 2023 NEC with local amendments, and its fire code has been based on the 2024 IFC since February 17, 2026. Neighboring cities may use different editions.4,1,7
It depends on the exact address, because APS and SRP territories interleave across the Valley and do not follow city lines. Check the utility's service map or a recent bill, and note that part of Mesa is served by the City of Mesa's electric utility.23,25
The city or town where the home sits, such as Mesa, Chandler or Scottsdale, issues the permit. Maricopa County permits only unincorporated areas and accepts SolarAPP+ for eligible rooftop systems there.17
State-level detail is on the Arizona page; every location is on the solar site survey hub.
Roof, attic and service panel in one visit
Explore →Roof, structure and switchgear
Explore →Terrain, build and operations
Explore →Roof and electrical, one visit
Explore →Stamped sets, six days from survey
Explore →SA, TOF and TSRF per plane
Explore →Every local fact on this page links to where it came from. Codes, programs and tariffs change: confirm the current requirement with the AHJ and the utility before you design.
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