Concrete Contractors in Harvey, LA

What Concrete Services Are Available in Harvey?

New Orleans Concrete Contractors handles residential and commercial flatwork throughout Harvey and Jefferson Parish. The service list covers driveway installation and replacement, patio and outdoor slab pours, garage floors, sidewalks, curb-and-gutter work, and commercial parking lots. Each project is detailed to match Harvey's specific ground conditions rather than copied from a generic spec sheet.

What Do Harvey Ground Conditions Mean for Concrete Work?

Harvey sits on alluvial clay and variable fill placed over former backswamp, and that combination is the single most important fact about pouring concrete here. Native clay expands when wet and contracts when dry, generating lateral pressure and vertical movement. Where contractors or previous owners added fill over the years, the fill and the native clay consolidate at different rates. That difference in settlement rate is what cracks and tips slabs.

Why Does Differential Settlement Happen in Harvey?

Differential settlement occurs when one section of subgrade moves more than an adjacent section. In Harvey, the boundary between old fill and native clay is the weak point. A driveway apron placed partly over compacted fill and partly over undisturbed backswamp clay will develop a crack and a vertical offset at that transition, often within three to five years. The mechanism is not the concrete failing. The mechanism is the ground beneath the concrete moving unevenly.

What Is the Correct Subgrade Response for Harvey Slabs?

Subgrade compaction testing matters more in Harvey than almost anywhere else in the metro because the underlying material is inconsistent. A proctor compaction test establishes the target density before any base course goes down. Base material runs a minimum of 6 inches of crushed limestone compacted to 95 percent standard proctor density. Residential slabs are poured at 4 inches of 3500 PSI concrete minimum. Commercial slabs start at 5 inches of 4000 PSI mix. Reinforcement on residential work uses number 3 rebar on 18-inch centers, tied and chaired off the subgrade so the steel sits at mid-depth in the slab. A 6-mil polyethylene vapor barrier goes between the base and the concrete on every pour where the water table is within 4 feet of grade, which in Harvey is every pour. Control joints are saw-cut every 8 to 10 feet within 12 hours of finishing to give the slab a place to crack that you choose rather than one the ground chooses.

What Does Concrete Work Cost in Harvey?

Concrete prices in Harvey follow Jefferson Parish labor and material rates, with adjustments for subgrade conditions that are more demanding here than in parishes with better-draining soil.

What Are the 2026 Price Ranges for Common Harvey Concrete Jobs?

Driveway replacement for a 600 square foot surface runs $7,500 to $12,000 in 2026, depending on demolition difficulty, the amount of subgrade repair required, and the finish selected. Per square foot, Harvey driveways run $12 to $20 depending on those same factors. A 400 square foot patio runs $5,000 to $8,000, or $12 to $18 per square foot. A detached garage floor at 500 square feet runs $6,000 to $9,500. The items that move the number upward in Harvey specifically are subgrade remediation when fill is found to be loose, the cost of crushed limestone base when existing material cannot be recompacted to density, and any dewatering needed when the water table is encountered during excavation.

What Permits and Approvals Does Harvey Concrete Work Require?

Flatwork permit requirements in Harvey are set by Jefferson Parish and administered through the Jefferson Parish Department of Inspection and Code Enforcement. Work that tends to trigger permit review includes the addition of new impervious surface, any changes to site drainage or stormwater flow, work within the public right-of-way such as new aprons or sidewalk panels, and projects in identified flood zones where impervious coverage is regulated. Jefferson Parish also coordinates with levee district requirements for properties near drainage infrastructure. Specific thresholds, fees, setback distances, and form numbers are not published here because those values are updated by the parish and must be confirmed directly. Contact the Jefferson Parish Department of Inspection and Code Enforcement before work starts to confirm what your specific project requires.

Recent Concrete Projects in Harvey

Driveway Replacement, Harvey

Driveway replacement, Harvey. 580 square feet. The existing slab had settled 3 inches at the garage apron where contractor fill placed in the 1990s had consolidated against native clay. The entire slab was removed to subgrade. A proctor test confirmed the native clay was at 78 percent density, well below the 95 percent target. The team over-excavated 4 inches, brought in crushed limestone, and compacted in two lifts to reach density. The pour used 4 inches of 3500 PSI concrete over 6-mil poly with number 3 rebar on 18-inch centers. Broom finish. Four days total including cure verification before vehicle access.

Rear Patio Slab, Harvey

Rear patio slab, Harvey. 320 square feet. The existing patio had no base course and sat directly on organic silt that retained moisture year-round due to a shallow water table at approximately 30 inches below grade. The slab had cracked into four sections and dropped toward the center. Demo removed the old concrete. The subgrade was excavated 8 inches, dried with lime stabilization on the top 4 inches of native material, then capped with 6 inches of compacted limestone. A 4-inch pour of 3500 PSI concrete with fiber reinforcement and 6-mil poly vapor barrier followed. Exposed aggregate finish. Three days.

How Do You Get a Concrete Estimate in Harvey?

A free on-site estimate in Harvey takes 30 to 45 minutes. The estimator walks the area, evaluates the existing surface condition, probes for soft spots in the subgrade, reviews drainage fall, and measures the work area. A written scope and price range follows within 24 hours. There is no obligation and no cost for the visit. Call or use the contact form to schedule.