What a new concrete driveway costs in Troy, MI depends on seven things: square footage, how much old concrete comes out, base repair, thickness, finish, access and whether the approach needs a permit. Two driveways of the same size can differ a lot because of those factors. Instead of a single per-square-foot figure that rarely matches a real property, this guide explains each cost driver so you can read quotes with confidence and compare bids fairly.
1. Size and shape
Square footage is the starting point. A typical two-car driveway in a Troy subdivision runs a few hundred to several hundred square feet, plus the apron and approach. Curves, flares, turnarounds and parking pads add forming time and waste, so a curved drive costs more than a simple rectangle of the same area. Measure length and width, and note any extras like a walkway or side pad.
2. Tear-out and haul-away
Breaking out and hauling away old concrete is a real cost, and it scales with thickness and reinforcement. A thin, cracked slab breaks out quickly. A thick slab with heavy wire mesh or rebar takes longer and weighs more to haul. Old asphalt under concrete, or concrete poured over an older slab, adds work. Good quotes list tear-out as its own line.
3. Base repair
The base is the layer of compacted stone under the slab. On many Troy driveways that failed early, the real problem was a soft or thin base. If the soil under the old slab is wet clay or organic material, it needs to be dug out and replaced with compacted aggregate. That is not optional if you want the new driveway to last, but it varies by property, so quotes often include an allowance.
4. Thickness and reinforcement
A car-only driveway is typically 4 inches thick, and 5 inches is common where heavier vehicles cross it. The approach in the right-of-way is 6 inches in Troy. More thickness means more concrete. Reinforcement, whether wire, rebar or fiber, adds material and labor. Our driveway thickness guide explains when extra thickness is worth it.
5. Mix and finish
Every exterior driveway in Michigan should be air-entrained concrete. A plain broom finish is the most economical. Stamped concrete, integral color and exposed aggregate cost more because of materials and labor, and they need more upkeep. A popular middle ground is a broom-finished driveway with a decorative border.
6. Access and logistics
Can the ready-mix truck reach the forms? On a straightforward front-load driveway, yes. On a narrow side drive to a rear garage, or behind a house, the crew may need a line pump, a conveyor or wheelbarrows. Tight access also slows tear-out. These logistics show up as labor or equipment lines.
7. Permits and the approach
Most private driveway work in Troy does not need a building permit, but the approach and any public sidewalk do need a Sidewalk and Approach Permit from the city, with a pre-pour inspection. On county roads, the Road Commission for Oakland County issues approach permits, and its residential driveway instructions list $150 for a new driveway and $100 for a reconstructed one. Permit time can also affect the schedule.
How to compare driveway quotes
The lowest number is not always the cheapest driveway. When you compare bids, check that each one lists:
- Square footage and thickness for the driveway, apron and approach.
- Base depth and whether base repair is included or an allowance.
- The concrete mix: strength and air entrainment.
- Joint layout and finish.
- Who pulls the permits and who schedules inspections.
- Removal of the old concrete and site cleanup.
- Payment schedule and what happens if weather delays the pour.
If one bid is far lower, look for what it leaves out. A thinner slab, no base work or a non-air-entrained mix can save money on paper and cost you a driveway within a few winters. A concrete driveway built correctly is a long-term investment.
Ways to save without cutting corners
- Combine work. Replacing the driveway, approach and front walk in one visit saves mobilization and permit time.
- Keep the shape simple. Straight lines cost less to form than curves.
- Choose a broom finish with a decorative border instead of a fully stamped drive.
- Book early. Spring calendars fill quickly, and flexible timing can help.
Driveways around Troy
Driveway age and size vary across town. Subdivisions near Boulan Park often have long two-car drives from the late 1970s, while older ranches near the civic center tend to have shorter drives and more apron damage. Both affect price.
After the pour, care for the first month matters as much as the build. Read our new concrete driveway care guide before your project starts.
Common questions
Why do concrete driveway quotes vary so much?
Quotes differ because contractors include different scopes. One may include base repair, a 5-inch slab, air-entrained concrete and permits, while another assumes the existing base is fine and leaves permits to you. Compare line by line: square footage, thickness, base, mix, joints, finish, permits and removal. The cheapest bid often omits something you will pay for later.
Is it cheaper to resurface a driveway than replace it?
Resurfacing costs less up front, but in Michigan it rarely lasts. Thin overlays struggle with freeze-thaw and salt, and cracks in the old slab often reflect through. If the old driveway is structurally sound with only light surface wear, sealing may be enough. If it is cracked, sunken or scaling broadly, replacement is usually the better value.
Does the driveway approach cost extra?
The approach is usually priced separately because it is thicker, sits in the public right-of-way and needs a permit and inspection. In Troy it is 6 inches thick. Replacing it together with the driveway saves a separate mobilization and keeps the joint between the two clean, so most owners do both at once.