Concrete Slab Cost in Michigan
Quick answer: a 4-inch concrete slab in Michigan costs about $6.50 – $12.50 per sq ft installed, 2% below the U.S. average. A 12 × 12 ft patio runs about $1,110 – $1,950, a 24 × 24 ft garage floor $4,180 – $7,430 and a 20 × 40 ft driveway $5,720 – $10,230.
Michigan concrete costs about the national average in our model. Its winters set the spec: a Michigan driveway sees many freeze-thaw cycles and a lot of salt every year, so air entrainment, strength and proper curing matter more than in any southern state.
Concrete Prices in Michigan by Project
| Project | Michigan installed | Per sq ft | U.S. average | DIY materials |
|---|---|---|---|---|
| 12 × 12 ft patio | $1,110 – $1,950 | $7.50 – $14.00 | $1,130 – $1,970 | $510 – $740 |
| 10 × 12 ft shed slab | $960 – $1,660 | $7.50 – $14.00 | $970 – $1,680 | $460 – $650 |
| 20 × 20 ft slab | $2,770 – $4,990 | $6.50 – $12.50 | $2,810 – $5,060 | $1,090 – $1,730 |
| 24 × 24 ft garage floor (5 in) | $4,180 – $7,430 | $7.00 – $13.00 | $4,250 – $7,540 | $1,770 – $2,690 |
| 20 × 40 ft driveway (5 in) | $5,720 – $10,230 | $7.00 – $13.00 | $5,820 – $10,380 | $2,380 – $3,660 |
| 30 × 40 ft shop floor (6 in) | $9,040 – $15,900 | $7.50 – $13.50 | $9,190 – $16,140 | $4,020 – $5,940 |
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 Michigan
| Weathering (IRC) | Severe statewide. |
|---|---|
| Concrete strength | 4,000 PSI air-entrained (5-7% air) for driveways; 3,500 PSI air-entrained minimum for patios and garage floors. 4,000 PSI ready-mix runs about $140 – $176 per yd³ here. |
| Frost depth | Usually 42 in in the Lower Peninsula; deeper in parts of the Upper Peninsula. |
| Soil | Sand and gravel in much of the state (good drainage); clay in parts of southeast Michigan. |
| Pouring season | May to early October. Below 40°F the concrete needs cold-weather protection. |
- Ask for air-entrained concrete by name; non-air concrete outdoors in Michigan scales and flakes within a few winters.
- Wait until spring to seal a fall pour, and keep salt off it the first winter.
- A garage slab needs a thickened edge or frost-depth footings under the walls; the floating slab priced here does not include them.
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 Michigan
The calculator below starts at Michigan 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 Michigan contractors. Each project is priced with the same line items as the slab cost calculator at national unit prices, then Michigan's location factor of 0.98 is applied to ready-mix concrete and labor, as the calculator does when you pick Michigan. 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.
Michigan Concrete Questions
About $6.50 to $12.50 per sq ft installed for a 4-inch slab with forms, a broom finish and labor, 2% below the national average. A 12 x 12 ft patio runs about $1,110 to $1,950 and a 24 x 24 ft garage floor (5 in) about $4,180 to $7,430. Excavation, gravel and permits are extra.
A 20 x 40 ft driveway, 5 inches thick with rebar and a broom finish, costs about $5,720 to $10,230 installed in Michigan ($7.00 to $13.00 per sq ft). Removing an old driveway and the street apron are extra.
About $132 to $157 per cubic yard for 3,000 PSI ready-mix before delivery fees, and about $140 to $176 for 4,000 PSI. Small loads add a short-load fee of $80 to $200 or more.
When air temperatures are expected below 40°F during placement or the following days, the concrete needs cold-weather measures: heated water, accelerator, insulated blankets and no pouring on frozen ground. Most Michigan contractors stop flatwork between about November and April.
They are the site's national cost model with Michigan's location factor (0.98) applied to ready-mix and labor, the same thing the calculator does when you pick Michigan. They are modelled estimates, not prices collected from Michigan contractors; get local quotes before you build.