Concrete typically costs $6-$12 per square foot installed for a basic residential slab, with small projects often priced higher per square foot because of minimum charges. The final concrete cost depends on slab thickness, site preparation, reinforcement, finish, delivery distance, and local labor rates.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Installed 4-inch slab | $6 per sq ft | $9 per sq ft | $12 per sq ft | Standard finish, prepared site |
| 10-by-10-foot slab | $600 | $900 | $1,200 | Small-job minimums may apply |
| Ready-mix concrete | $125 per cu yd | $150 per cu yd | $180 per cu yd | Concrete only, before placement |
| Stamped or decorative finish | $12 per sq ft | $16 per sq ft | $20+ per sq ft | Design and color affect price |
What a Typical Concrete Slab Costs by Size
For a straightforward 4-inch slab with a broom finish, homeowners commonly pay $6-$12 per square foot, including ordinary forming, placement, and finishing. A 400-square-foot patio might total $2,400-$4,800; a 600-square-foot driveway section could cost $3,600-$7,200 before demolition or major grading. A common midrange budget is about $9 per square foot for an accessible, standard slab.
Material-only pricing is usually quoted by cubic yard, not square foot. A 4-inch slab uses about 0.0123 cubic yard per square foot, so 400 square feet requires roughly 4.9 cubic yards before extra material for waste or uneven ground. Assumptions: typical U.S. residential labor rates, standard ready-mix, 4-inch thickness, normal access, and a basic finish.
How Materials, Formwork, and Labor Shape the Quote
A contractor’s estimate can combine concrete, reinforcement, site work, delivery, and finishing. These figures are broad residential ranges; some contractors bundle several tasks into one installed rate. Ask whether the quote includes excavation, base gravel, reinforcement, and cleanup.
| Quote component | Typical price | What it covers |
|---|---|---|
| Ready-mix concrete | $125-$180 per cu yd | Standard mix; specialty mixes may cost more |
| Labor and finishing | $2-$5 per sq ft | Forming, placement, leveling, and finish |
| Reinforcement | $0.50-$2 per sq ft | Wire mesh or rebar, depending on design |
| Base and forms | $1-$4 per sq ft | Gravel base, lumber forms, and preparation |
| Delivery or disposal | $50-$200+ per job | Short-load fees, haul-off, or debris removal |
Labor pricing varies by crew and scope. One rough estimating method is For example, 16-24 crew-hours at $50-$90 per labor-hour equals $800-$2,160, though crew-hour accounting differs by contractor.
Why Thickness, Reinforcement, and Access Change Concrete Pricing
Thickness directly changes the volume ordered. A 6-inch slab uses 50% more concrete than a 4-inch slab over the same area, though excavation, forming, and finishing costs do not rise at the same rate. Driveways carrying heavy vehicles may need a thicker design or stronger reinforcement than a garden shed pad.
Rebar, wire mesh, fiber additives, and control joints each add cost according to the plan. Difficult access can also require a pump, wheelbarrow labor, or smaller deliveries. A narrow backyard route or a pour more than roughly 100 feet from truck access can add several hundred dollars or more. Sloped, rocky, or poorly drained sites may need additional grading or base material.
Where Concrete Costs Can Be Cut Without Weakening the Slab
Keep the design rectangular and avoid unnecessary curves, multiple colors, or elaborate stamped patterns. Compare quotes using the same dimensions, thickness, mix specification, reinforcement, finish, and site-prep scope; a lower bid may exclude excavation or disposal.
Homeowners can sometimes reduce labor expense by clearing vegetation, moving planters, and arranging access before the crew arrives, but excavation and base compaction should follow the contractor’s specifications. Do not reduce required thickness or reinforcement just to lower the bid. For a large project, ask whether combining pours or scheduling a full-truck delivery avoids short-load charges.
How Removal and Site Preparation Add to a Concrete Estimate
Installing new concrete over an unprepared surface can produce a poor result, so estimates may include excavation, grading, and a compacted gravel base. Basic preparation often adds $1-$4 per square foot; extensive leveling or soil replacement can cost more. Removing and hauling away existing concrete commonly adds about $2-$6 per square foot, depending on thickness, access, and disposal distance.
Small orders may also incur a short-load fee when the required volume is below the supplier’s minimum economical delivery. Ask for that fee separately, along with any pump charge, permit cost, or haul-off allowance. Confirm whether the estimate includes taxes and final cleanup before comparing totals.
How Concrete Prices Vary Across U.S. Markets
Labor availability, fuel, local demand, and disposal rules influence installed rates. As a general comparison, prices in lower-cost rural markets may run 10%-20% below a national midrange estimate, while high-cost metro areas can run 15%-30% above it. These are planning adjustments, not guaranteed regional price lists.
Remote sites may pay more for delivery even when labor rates are lower. Urban projects can face parking restrictions, limited truck access, or required traffic control. Get local quotes that account for delivery distance and site access rather than relying on a national per-square-foot figure alone.
When a Concrete Repair Costs Less Than Replacing the Slab
Crack sealing or patching may cost roughly $3-$8 per linear foot for simple work, while resurfacing often runs $3-$10 per square foot depending on preparation and finish. These options can be reasonable when the slab is stable and damage is limited to the surface. They will not correct major settling, widespread cracking, or drainage problems.
Full replacement is more expensive because it can include breaking up the old slab, hauling debris, rebuilding the base, and pouring new concrete. For a small damaged area, compare a repair quote with the complete replacement scope rather than comparing repair price with concrete material alone. Replacement is usually the durable option when the base has failed or the slab has extensive movement.