Residential Solar Photovoltaic (PV) / Battery ESS Permit in Casa Grande, Arizona

Casa Grande requires a residential solar photovoltaic (pv) / battery ess permit for: Residential solar photovoltaic and battery/ESS systems require a building/electrical permit reviewed under the 2017 NEC and 2018 IBC/IRC as adopted by the City of Casa Grande; Construction plans required: site plan, roof layout, racking layout, attachment details, and electrical one-line diagram; Cut sheets required for PV panels, inverters, and racking/mounting system; Apply via the City's online Land Use Application Processing system, listed under 'Solar (Photovoltaic or Battery/ESS)'. If your project isn't listed, confirm with City of Casa Grande Planning & Development Department — Development Center (Building Division) at 520-421-8630 before starting work.

$200.00 flat fee, per the City of Casa Grande FY 2025-2026 Consolidated Fee Schedule's Solar System Permits category (distinct from the valuation-based general Building Permit Fee table).

Per the City's A.R.S. § 9-835 Over-All Review Timeframes chart, Single/Two-Family Residential 'Accessory Structures / Pools / Solar / etc.' carries a 44-business-day maximum Over-All Timeframe (2 business days Administrative Completeness Review, plus 20 business days each for Initial and Resubmittal Substantive Review).

You'll need: Solar Permit Application; Construction plan set. See the required-documents checklist on this page for details on each.

Casa Grande requires 2 inspection(s) for a residential solar photovoltaic (pv) / battery ess permit, in order: Rough Electrical, Final. Schedule each through City of Casa Grande Planning & Development Department — Development Center (Building Division) (520-421-8630).

Apply through City of Casa Grande Planning & Development Department — Development Center (Building Division) at 510 E. Florence Boulevard, Casa Grande, AZ 85122. Phone: 520-421-8630, email: cgplanning@casagrandeaz.gov. Office hours: Monday - Friday, 7:30 a.m. - 5 p.m. The Development Center is a 'one-stop shop' for building, engineering, fire, and planning plan review/permits/inspections. Building inspections are scheduled online through the WebPermits portal (rogue.casagrandeaz.gov/WebPermits); the City does not offer same-day inspections unless the request is received by 11:59 p.m. the prior business day, and inspectors run routes between 6 a.m. and 3:30 p.m.. Official information: https://casagrandeaz.gov/231/Building.

Casa Grande, Arizona has adopted: Arizona has NO statewide mandatory building code floor for general construction — code adoption is a per-city/county authority under state enabling statutes (A.R.S. Title 9). The City of Casa Grande runs its own Planning & Development Department / Development Center and independently adopts and administers its own construction codes under Title 15 (Buildings and Construction) of the Casa Grande Code of Ordinances; it does not defer permitting to Pinal County. Source: City of Casa Grande Building page (casagrandeaz.gov/231/Building) and Casa Grande Code of Ordinances Title 15.; 2018 International Building Code (IBC), adopted by reference with City of Casa Grande amendments (Casa Grande Code of Ordinances § 15.08.010), made a public record by Resolution No. 5170. Source: City of Casa Grande Quick Codes Design Criteria Handout (Building Department, rev. 11/8/2024) and Casa Grande Code of Ordinances § 15.08.010, International Building Code.; 2018 International Residential Code (IRC), adopted by reference with City of Casa Grande amendments under Title 15. Climatic and geographic design criteria (IRC Table R301.2(1)) are published separately by the Building Department. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Mechanical Code (IMC), adopted by reference with City of Casa Grande amendments under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Plumbing Code (IPC), adopted by reference with City of Casa Grande amendments under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Fuel Gas Code (IFGC), adopted by reference with City of Casa Grande amendments under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Fire Code (IFC), adopted by reference as the City's uniform fire code under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Energy Conservation Code (IECC) governs residential and commercial energy-efficiency requirements. Residential energy efficiency design minimums published by the Building Department include: new/replacement HVAC sized per ACCA Manual J & S (gas furnaces/boilers 80% AFUE minimum; air conditioners and heat pumps 14 SEER minimum); duct insulation per ACCA Manual D (R-8 within attics/exterior, R-6 within other portions); common insulation values of R-13 walls, R-38 ceilings, U-0.40 windows, R-0 crawlspace/slab-on-grade, R-3 water/refrigerant lines. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Property Maintenance Code (IPMC), adopted by reference under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2018 International Swimming Pool and Spa Code (ISPSC), adopted by reference under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2017 National Electrical Code (NEC/NFPA 70), adopted by reference with City of Casa Grande amendments (note: electrical code cycle is one edition behind the 2018 ICC set). Arc-fault and tamper-resistant outlet protection is required at most locations per the 2017 NEC. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; NFPA 99 Standards for Health Care Facilities, adopted by reference under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2009 ICC A117.1 Accessible and Usable Buildings and Facilities, adopted by reference under Title 15. Source: City of Casa Grande Quick Codes Design Criteria Handout (rev. 11/8/2024).; 2019 City of Casa Grande Building and Technical Administrative Code (CG-BTAC), made a public record by Resolution No. 5170, with a 2022 Amendment made a public record by Resolution No. 5397. This locally-authored administrative code governs permit administration, fees cross-references, and technical amendments layered on top of the adopted ICC model codes. Source: City of Casa Grande Building and Technical Administrative Code, 2019 Edition (casagrandeaz.gov/DocumentCenter, Resolution 5170) and Casa Grande Code of Ordinances § 15.04.010.. Local amendments apply — see the Casa Grande overview page for the full list.