Concrete Foundations & Slabs in Gilbert, AZ

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Whether it's a full house foundation, a garage slab, or a standalone structure, we build foundations engineered for Gilbert's soil and code requirements, including near Power Ranch and Agritopia.

We're a third-generation, family-owned concrete company built on the kind of work ethic you'd expect from a business run by a working firefighter — precise, dependable, and built to hold up under pressure.

What Sets Our Concrete Foundations & Slabs Apart in Gilbert

Arizona's expansive and caliche-laden soils require the right foundation type and base prep, or you end up with cracking and settling issues years down the road. Gilbert's roots as farmland mean soil conditions can vary block to block, and many properties are on larger, horse-friendly lots that call for bigger slabs and longer runs of concrete.

Here's what we get right on every job:

Precise elevation and layout to match architectural plans exactly
Coordination with soils engineers, architects, and general contractors
Reinforcement, rebar or post-tension cable, sized to your structural engineer's specs
Foundation type — slab-on-grade, stem wall, or post-tension — matched to your soils report and structural plans
Compacted, engineered base prep specific to Gilbert's soil conditions
Proper vapor barrier and moisture control for interior slabs

Our Step-by-Step Concrete Foundations & Slabs Process

Plan & Soils Review — We review structural plans and, if available, your geotechnical soils report.
Excavation & Base Prep — Excavated and compacted to the depth and density your foundation design requires.
Forming & Reinforcement — Forms and rebar or post-tension cable set to exact engineered specifications.
Pour & Finish — Poured, screeded, and finished to precise elevation tolerances.
Cure & Inspection — Proper cure time, with coordination for any required inspections.

Who We Build Concrete Foundations & Slabs For in Gilbert

New Home Foundations

Full foundation packages for new builds near Power Ranch.

Commercial & Light Industrial Foundations

Engineered foundation work for commercial and light industrial projects throughout Gilbert.

Garage & Accessory Structure Slabs

Standalone slabs for garages, sheds, and accessory structures near Agritopia.

Local Knowledge for Concrete Foundations & Slabs in Gilbert

Gilbert permits through the Town of Gilbert, and its many horse-property and larger-lot neighborhoods often mean bigger slabs and longer concrete runs than a standard subdivision.

Gilbert's farmland roots mean soil can shift from sandy to clay-heavy within a single neighborhood, so we confirm base conditions before every pour.

That local knowledge is the difference between foundation work that lasts and work that fails early — and it's why Gilbert property owners keep calling Cortez Concrete.

Three Generations of Family-Owned Arizona Concrete

We're not a franchise or a rotating crew of subcontractors. Cortez Concrete is a third-generation family business, run on the values our grandfather started with — show up, do it right, and stand behind it. With an active firefighter at the helm, that discipline and attention to safety shows up in every Gilbert-area project we pour across the Valley.

Hire Cortez Concrete and you're working directly with the family whose name is on the truck — not a call center, and not a crew you'll never see again.

Frequently Asked Questions

How long before framing can start after the pour?

Typically about a week of cure time, depending on weather and slab thickness.

How thick does a slab foundation need to be?

It varies by structural load and local code requirements — typically 4" to 6" or more for residential.

What type of foundation is right for my project?

It depends on your soils report, structural plans, and building type — we can advise based on similar Gilbert projects.

Do you need a soils report before starting?

For most new construction, yes — we can work from your engineer's report or help you get one.

Do I need a permit for foundation work in Gilbert?

It depends on the scope, but most foundation work in Gilbert is permitted through the Town of Gilbert, and we handle the submittal and any required inspections for you. We'll confirm exactly what your project needs during your free estimate.

More Concrete Services in Gilbert

Concrete Foundations & Slabs Near Gilbert

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Get a quote for engineered foundation or slab work anywhere in Gilbert.

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