Casa Grande Residential Building Permit Requirements: What You File and Where

You cannot pour a footing or frame a wall on a new Casa Grande home until the city issues a building permit. The permit is the city's sign-off that your plans meet the adopted 2018 I-codes and your lot's zoning. Casa Grande runs permitting through a single Development Center, so building, engineering, fire, and planning staff review your project together. This page walks the real steps: what you submit, how it gets reviewed, and what the timeline looks like.

What a residential permit requires

Casa Grande handles development through a Development Center that the city calls a "One-Stop Shop," where the public, contractors, and consultants submit plans and pull permits in one place. A new single-family home, addition, accessory structure, or pool triggers a Residential Site Plan plus a full building-permit package. A complete submittal generally includes:

• A residential site plan showing the house on the lot, with setbacks (the required distance from each property line), drainage, access, and utilities called out.
• Floor plans, one sheet per level.
• Structural and construction documents engineered for Arizona loads, including the foundation designed for local soils.
• Energy compliance paperwork showing the design meets the 2018 IECC as amended.
• A completed building permit application.

The city is clear about what its review covers:

The city reviews submitted plans for building code compliance, structural integrity, fire safety, energy code, and ADA accessibility.

That means five separate lenses are looking at your set at once. A clean package addresses each one up front, instead of leaving a reviewer to bounce the plan for a missing energy sheet or an undersized footing detail.

For example, say you submit a 2,400 square foot custom home on a one-acre lot at the edge of the city. The Development Center routes your set to building, structural, fire, energy, and planning reviewers at the same time. If your site plan shows the house four feet from a side line where the zone requires five, the planning reviewer flags the setback, and the whole package waits on that one correction before a permit issues, even if every other discipline cleared.

How review and timeline work

Casa Grande reviews a residential plan through several disciplines before a permit issues. The initial review cycle generally takes around 20 calendar days. If the reviewers find corrections, you fix the sheets and resubmit, and each round adds time. A clean first submittal is the cheapest path, because every correction cycle pushes your start date out.

The flow is: assemble the site plan and building package, submit to the Development Center, let staff complete the multi-discipline review, clear any corrections, then pay fees and receive the permit. Because Casa Grande is in Pinal County, a project outside the city sewer system also needs a separate septic permit from the Pinal County Aquifer Protection Division, and a private well runs through the Arizona Department of Water Resources. Those approvals sit alongside the city building permit, not inside it.

When this comes into play

This process governs the front end of every Casa Grande build:

• Build-on-your-lot. Your designer assembles the site plan and engineered set, the Development Center runs its review, and the permit issues only after corrections clear.
• Owner-builder. If you pull the permit yourself instead of using a licensed contractor, Arizona's owner-builder exemption under A.R.S. 32-1121 only covers a home you intend to occupy, not one you build to sell or rent within a year. That legal limit decides whether you can sign as the permit holder.
• Septic and well lots. On unsewered land, the county septic permit and the state well registration have to be lined up with the city build, so plan those timelines in parallel.

What this means for you

Budget the permit as a real line item and start the site plan early, because setbacks and drainage are common reasons a residential plan gets corrected. Confirm whether you or your contractor is the permit holder, since that decides who signs and carries responsibility. Build the roughly 20-day initial review, plus any correction cycles, into your schedule rather than assuming the permit is instant. If your lot is unsewered, open the Pinal County septic file at the same time, not after the house permit, so the two tracks finish together.

This entry sits between the codes and the field work in the Casa Grande module. The standards your plans are checked against are listed in Casa Grande Adopted Building Codes . The permit ends, much later, with a certificate of occupancy once final inspections pass. For the full sequence of building a home, see the steps to building a custom home in Arizona .

Source

The Development Center process and the scope of plan review are published by the City of Casa Grande Building Division . For zoning, site plans, and broader development steps, see Casa Grande Planning & Development . Arizona's owner-builder limit is set in state law at A.R.S. 32-1121 .

This page is general information, not a substitute for the city's current checklist. Submittal items, fees, and timelines change, so confirm the live requirements with the Casa Grande Development Center before you file.