Orange County Concrete Contractor

Cities and communities we work in

North & central Orange County

• Anaheim & Anaheim Hills
• Orange & Villa Park
• Fullerton, Brea & Placentia
• Yorba Linda
• Santa Ana & Tustin
• Garden Grove & Westminster

Coastal Orange County

• Newport Beach & Corona del Mar
• Huntington Beach & Fountain Valley
• Costa Mesa
• Laguna Beach & Laguna Niguel
• Dana Point & San Clemente
• Seal Beach & Los Alamitos

South Orange County

• Irvine
• Lake Forest & Mission Viejo
• Aliso Viejo & Laguna Hills
• Rancho Santa Margarita
• San Juan Capistrano
• Buena Park, Cypress & La Habra

Unincorporated communities

• Ladera Ranch
• Coto de Caza
• North Tustin & Cowan Heights
• Rossmoor
• Silverado & Modjeska Canyons
• Trabuco Canyon

Who actually issues your permit in Orange County

This trips people up constantly. Orange County has 34 incorporated cities, and if your address is inside one of them, the permit comes from that city's building division — not from the County. Anaheim permits Anaheim work; Irvine permits Irvine work. The County's building office, through OC Public Works, only handles the unincorporated communities: Ladera Ranch, Coto de Caza, North Tustin, Rossmoor, the canyons and similar pockets.

The second surprise is the driveway approach. The apron between the sidewalk and the street sits in the public right-of-way, so replacing it usually requires an encroachment or right-of-way permit from the city's public works department, which is a separate application from any building permit on the private side of the property line. Cities have their own standard drawing for approach width, gutter transition and sidewalk cross-slope, and inspectors do hold the line on it. We pull these as part of the job rather than leaving you to discover it mid-project.

Plain at-grade flatwork — a backyard patio, a walkway — is often exempt from a building permit, but the exemption is written per city and is not universal, and it stops applying the moment a wall, a footing, a roof or drainage into the street gets involved. Retaining walls generally need a permit once they retain more than four feet measured from the bottom of the footing, and anything with a surcharge above it needs engineering regardless of height. For what a permit-and-engineering line item typically runs, see permit, engineering and mobilization cost.

Orange County soils change the slab, not just the price

The county is not one soil type and we do not pour it like it is. West and central Orange County — Garden Grove, Westminster, Fountain Valley, much of Santa Ana — sits on the coastal plain with sandy to silty soils and, in places, a genuinely shallow groundwater table. That ground compacts well, but a high water table argues for a capillary break and a vapor retarder under anything that will be enclosed or covered later.

Move inland and uphill — Anaheim Hills, Yorba Linda, North Tustin, the canyon communities — and expansive clay shows up. Expansive soil swells when it takes on water in the winter and shrinks back in the dry season, and that cycle is what lifts and cracks a slab that was poured on untreated native clay. On those sites we overexcavate, bring in crushed aggregate base compacted in lifts, thicken the edge, and put the reinforcement on chairs where the engineer's detail calls for it. A soils report is not optional on a structural slab or an ADU foundation in those areas, and plan check will ask for it.

Hillside lots across South County add their own wrinkle: cut-and-fill grading means half the slab can be sitting on compacted fill and half on native ground, which is a differential-settlement problem you solve with a deepened footing or a grade beam, not with extra rebar.

Coastal exposure: the salt is real

From Seal Beach down to San Clemente, chlorides in the marine air get into concrete and go after the steel. Once rebar corrodes it expands, and expanding steel spalls the concrete off the surface — that flaking you see on older beach-city driveways and pool decks is almost always this, not a bad finish. The defenses are unglamorous and they work: a lower water-to-cement ratio for a denser, less permeable mix, real cover over the steel rather than bars sitting an inch below the surface, and a sealer on decorative work that gets renewed instead of forgotten.

For pool decks and coastal patios we also push finish choice toward texture. A salt finish or broom finish keeps traction when wet and hides the mineral staining that hard water and salt air leave behind, where a slick trowel finish shows every mark.

HOAs, tract neighborhoods and scheduling

Large parts of South County — Irvine, Ladera Ranch, Rancho Santa Margarita, Aliso Viejo — are HOA-governed, and the HOA architectural review is a separate approval from the city permit. It typically governs color, finish and hardscape coverage, and it runs on its own calendar. We plan around it rather than pouring first and arguing later.

Practical scheduling notes for this county: ready-mix out of the local batch plants arrives early, so we place in the morning and finish before the afternoon heat pulls water out of the surface. Summer inland pours in Anaheim Hills and Yorba Linda get an earlier start than coastal pours for exactly that reason. Narrow older streets in Fullerton, Orange and the beach cities sometimes can't take a full mixer, in which case the job gets a pump or a buggy and that shows up in the estimate honestly instead of as a surprise.

Getting to a real number

Ranges are useful for budgeting and useless for signing. Run your dimensions through the concrete calculator for square footage, cubic yards with a waste allowance, and material cost, then read the cost guides for the project type you have in mind. What moves an Orange County estimate off the middle of the range is almost always access, demolition and haul-off of what's there now, soil condition, and whether the work touches the right-of-way.

We're a licensed California contractor, CSLB #1118795, working here since 1986. Call or text and we'll come look at it.

What projects cost in Orange County

These ranges come straight from our Pricing Engine and update when our reviewed rates change — nothing on this page is a stale hand-typed number. Every range still needs a site visit to become a real number.

Full pricing index · Concrete calculator

Orange County concrete questions we get asked

Do I need a permit for a concrete patio in Orange County?

It depends on your city, because each of the 34 incorporated cities writes its own exemptions and issues its own permits. A plain at-grade backyard patio slab is frequently exempt from a building permit, but the exemption disappears once there is a retaining wall, a footing, a patio cover, or drainage discharging to the street. Work in unincorporated areas such as Ladera Ranch, Coto de Caza or North Tustin goes through the County instead of a city. We confirm the requirement with your jurisdiction before we start.

Who permits a new driveway approach in Orange County?

The apron between the sidewalk and the street is in the public right-of-way, so it needs an encroachment or right-of-way permit from your city's public works department, separate from any building permit for work on your property. Each city has a standard drawing controlling approach width, gutter transition and sidewalk cross-slope, and inspectors enforce it. We pull that permit as part of the job.

Does Orange County soil require a thicker slab?

Not thicker everywhere, but the base section and reinforcement change with the soil. Coastal plain areas like Westminster and Fountain Valley have sandy soils that compact well, though a shallow water table argues for a capillary break and vapor retarder. Inland and hillside areas like Anaheim Hills, Yorba Linda and North Tustin have expansive clay that swells and shrinks seasonally, so those sites get overexcavation, imported compacted base, a thickened edge and reinforcement on chairs. Structural slabs and ADU foundations in expansive-soil areas need a soils report for plan check.

Why does concrete near the beach in Newport or Huntington flake and spall?

Chlorides from marine air penetrate the concrete and corrode the reinforcing steel. Corroding steel expands and pushes the concrete surface off, which is the flaking you see on older beach-city driveways and pool decks. It is prevented with a dense low water-to-cement-ratio mix, adequate concrete cover over the steel, and sealer maintenance on decorative surfaces, not by patching the surface after the fact.

How much does a concrete driveway cost in Orange County?

The live range for driveway work is shown in the pricing section on this page and comes from our Pricing Engine, which we review against current material and subcontract rates rather than leaving numbers hardcoded on a page. In Orange County the variables that move a driveway estimate most are demolition and haul-off of the existing driveway, access for the mixer or the need for a pump, soil condition, and whether the driveway approach in the right-of-way is being replaced.

Do you work in Orange County HOA communities?

Yes, regularly. In HOA-governed areas such as Irvine, Ladera Ranch and Rancho Santa Margarita the architectural review is a separate approval from the city permit and usually governs color, finish and hardscape coverage. We build the HOA submittal and its review timeline into the schedule instead of pouring first and dealing with it afterward.