Concrete Slab Cost in Pennsylvania
Quick answer: a 4-inch concrete slab in Pennsylvania costs about $7.00 – $13.00 per sq ft installed, 2% above the U.S. average. A 12 × 12 ft patio runs about $1,150 – $2,000, a 24 × 24 ft garage floor $4,320 – $7,650 and a 20 × 40 ft driveway $5,920 – $10,530.
Pennsylvania prices sit close to the national average in our model. Freeze-thaw winters and road salt make air-entrained concrete a must for anything outdoors.
Concrete Prices in Pennsylvania by Project
| Project | Pennsylvania installed | Per sq ft | U.S. average | DIY materials |
|---|---|---|---|---|
| 12 × 12 ft patio | $1,150 – $2,000 | $7.50 – $14.00 | $1,130 – $1,970 | $520 – $760 |
| 10 × 12 ft shed slab | $980 – $1,700 | $8.00 – $14.50 | $970 – $1,680 | $470 – $660 |
| 20 × 20 ft slab | $2,860 – $5,130 | $7.00 – $13.00 | $2,810 – $5,060 | $1,130 – $1,770 |
| 24 × 24 ft garage floor (5 in) | $4,320 – $7,650 | $7.00 – $13.50 | $4,250 – $7,540 | $1,830 – $2,750 |
| 20 × 40 ft driveway (5 in) | $5,920 – $10,530 | $7.00 – $13.50 | $5,820 – $10,380 | $2,460 – $3,740 |
| 30 × 40 ft shop floor (6 in) | $9,350 – $16,390 | $7.50 – $14.00 | $9,190 – $16,140 | $4,170 – $6,090 |
4-inch slabs unless shown. Installed: forms, broom finish and labor, up to vapor barrier, #4 rebar and contractor overhead and profit. DIY: concrete (ready-mix or 80-lb bags, whichever is cheaper) and forms, up to vapor barrier and rebar. Excavation, gravel base and permits are extra.
Building a Slab in Pennsylvania
| Weathering (IRC) | Severe statewide. |
|---|---|
| Concrete strength | 4,000 PSI air-entrained for driveways; 3,500 PSI air-entrained minimum for patios, steps and garage floors. 4,000 PSI ready-mix runs about $146 – $184 per yd³ here. |
| Frost depth | About 30 to 42 in: the Philadelphia area is at the low end, the northern tier deeper. Each municipality sets its own frost depth. |
| Soil | Shale and rock close to the surface in much of the state; limestone areas in the south-central and southeast regions can have sinkholes. |
| Pouring season | April to October. Protect fall pours from early frost with blankets. |
- Ask your municipality before you pour: permit rules for flatwork vary town to town under the state's construction code.
- In limestone country, report any soft spot or sudden settling in the subgrade before the pour; it can be a sinkhole forming.
- Use 5-7% air-entrained concrete for steps and walks, which take the most salt.
Frost depths and permit rules are set by your city or county; check with the local building department before you dig. A permit for a small residential slab or driveway typically costs about $50 – $350.
Price Your Own Slab in Pennsylvania
The calculator below starts at Pennsylvania prices. Enter your size, thickness, finish and reinforcement; if you have local prices for ready-mix or labor, type them over the defaults.
Concrete Slab Cost & Volume Estimator
Precision multi-layer project budgeting: Materials, Sub-Base, Reinforcement, Labor & Equipment
Picking a location sets the ready-mix, excavation and labor rates below to that area's typical level. You can still type your own local prices afterwards. Slab prices by state.
Closer spacing uses more steel and raises the rebar cost.
Not charged when bagged concrete is selected.
A scaled plan of your slab: rebar grid at the spacing you chose, support chairs about every 3 to 4 ft, and the recommended control-joint saw cuts (2.5 times the thickness in inches, in feet, capped at 15 ft). It redraws as you change the inputs.
| Scope Item / Material Description | Amount |
|---|
Enter the total your contractor quoted. We compare it with a benchmark for the same slab and scope you set in the calculator: materials at your entered prices plus labor at the regional standard rate, before any overhead or profit. Make sure the calculator scope (base, rebar, finish, pump, demolition) matches what the bid includes.
Optional: enter the bid's line items to see where the markup sits
Enter the forecast for pour day. The check follows ACI 306R (cold weather) and ACI 305R (hot weather) and estimates the surface evaporation rate that drives plastic shrinkage cracking.
How These Prices Are Worked Out
These are modelled prices, not quotes collected from Pennsylvania contractors. Each project is priced with the same line items as the slab cost calculator at national unit prices, then Pennsylvania's location factor of 1.02 is applied to ready-mix concrete and labor, as the calculator does when you pick Pennsylvania. Bagged concrete, forms, rebar and the delivery fee stay at national prices. The factors are approximate, set by our editors to reflect typical construction cost differences between states; the full method is in the 2026 concrete price report.
Have a quote already? Check it with the concrete quote checker, which uses the same factors.
Pennsylvania Concrete Questions
About $7.00 to $13.00 per sq ft installed for a 4-inch slab with forms, a broom finish and labor, 2% above the national average. A 12 x 12 ft patio runs about $1,150 to $2,000 and a 24 x 24 ft garage floor (5 in) about $4,320 to $7,650. Excavation, gravel and permits are extra.
A 20 x 40 ft driveway, 5 inches thick with rebar and a broom finish, costs about $5,920 to $10,530 installed in Pennsylvania ($7.00 to $13.50 per sq ft). Removing an old driveway and the street apron are extra.
About $138 to $163 per cubic yard for 3,000 PSI ready-mix before delivery fees, and about $146 to $184 for 4,000 PSI. Small loads add a short-load fee of $80 to $200 or more.
Below the local frost depth, which is about 30 to 42 inches depending on the municipality. A floating patio slab on gravel does not need footings, but a garage or addition slab does; check with your code office.
They are the site's national cost model with Pennsylvania's location factor (1.02) applied to ready-mix and labor, the same thing the calculator does when you pick Pennsylvania. They are modelled estimates, not prices collected from Pennsylvania contractors; get local quotes before you build.