A homeowner's guide to concrete driveways and patios in the Triangle

What a concrete driveway or patio costs, when North Carolina requires a licensed contractor, what Raleigh, Durham, Cary and Chapel Hill require before the pour, and the construction basics that decide whether it cracks. Every rule and price links to the page it came from.

What concrete driveways and patios cost

Driveways

Angi's local figures for Raleigh (ZIP 27601) put a concrete driveway at $2,700 to $14,500, with an average of $6,400, or $8 to $20 per square foot, and says you can pay anywhere from $1,600 to $32,000 (Angi, Raleigh). Labor is about half the cost (Angi, Raleigh).

HomeGuide's figures run lower: $6 to $15 per square foot, or $2,400 to $8,600 for a two-car driveway (HomeGuide, driveways). It prices the extras separately: tearing out an old driveway adds $2 to $6 per square foot, grading $3 to $8 per square foot, and steel reinforcement $1 to $3 per square foot (HomeGuide, driveways). Ask each contractor whether those are in the quote.

Patios

HomeGuide puts a concrete patio at $4 to $12 per square foot for plain concrete, or $8 to $30 per square foot stained or stamped (HomeGuide, patios). That makes a plain 10 by 10 foot patio $400 to $1,200 and a plain 15 by 20 foot patio $1,200 to $3,600, or $2,400 to $9,000 stamped (HomeGuide, patios).

Thickness and lifespan

HomeGuide says a residential driveway should be at least 4 inches thick for ordinary cars, 5 to 6 inches for RVs or regular commercial traffic, with thicker edges of 6 to 8 inches, and that a well-built driveway lasts up to 30 years with basic care (HomeGuide, driveways). For patios it says 6 inches with extra reinforcement under a hot tub or an outdoor kitchen (HomeGuide, patios). Put the thickness in writing in the contract.

Permit fees

Raleigh's fee guide for July 2026 to June 2027 lists a driveway permit at $141 per driveway, and a zoning permit for an existing home at $261, or $271 with the City's 4% technology surcharge (Raleigh fee guide). Durham's right-of-way permit, which covers residential driveways, is $260 (Durham right-of-way permit). Chapel Hill charges a building fee of $55 for work up to $5,000 and $100 for $5,001 to $20,000, an administrative review fee of $50 up to $20,000, and a zoning review fee of $25, $125 or $250 depending on how much new hard surface you add, with Orange County's 8% fee on top (Chapel Hill fees).

Licenses: who may do this work in North Carolina

North Carolina requires a licensed general contractor only when a job costs $40,000 or more (G.S. 87-1, NC contractor board), so most driveways and patios can legally be poured by an unlicensed company. The contractor board does have a specialty classification for concrete work, S(Concrete Construction), and its Residential classification covers the driveways and sidewalks that go with a home (NC contractor board classifications). A licensed contractor is worth asking for even below the threshold, and the board's public license search shows whether one is current.

The street end of a driveway is different. Durham allows only a North Carolina licensed general contractor to work in the public right-of-way, whatever the job costs (Durham right-of-way permit). Raleigh requires any contractor working in the right-of-way, or within five feet of it, to have a performance bond of at least $5,000 and general liability insurance on file (Raleigh driveways). If the apron and curb cut are part of your job, ask the contractor to show these before you sign.

Permits in Raleigh, Durham, Cary and Chapel Hill

What state law says

State law exempts work costing $40,000 or less from a building permit unless it involves load-bearing structures, plumbing, electrical or mechanical work and a few other items (G.S. 160D-1110). That exemption is about building code permits. Towns also regulate driveways through their street and zoning rules: Raleigh, for example, points to its street code, City Code section 11-6001 (Raleigh driveways). So check with the town even for a small pour.

Raleigh

• You must get City permits before adding a driveway or replacing an existing one (Raleigh driveways).
• A new driveway, or widening or moving one, needs the residential permit application, a site plan checklist and a survey with the dimensions; a like-for-like replacement needs only the application (Raleigh driveways).
• The part in the right-of-way must pass a pre-pour inspection; the part on your lot can be inspected after the pour (Raleigh driveways).
• A private well or septic system on the lot means Wake County Environmental Services must approve first (Raleigh driveways).
• A new front-yard driveway or extra front-yard parking needs a zoning permit. Front-yard driveways and parking must be a non-erodible surface and may cover at most 40 percent of the front yard (Raleigh front yard parking).
• Raleigh's permit list puts driveway replacement among permits that need no plans, and patios among projects that need plans (Raleigh residential permits).

Durham

Durham's right-of-way permit application has a residential driveway option, costs $260, and asks for a plot plan or sketch with the dimensions and location of the work (Durham right-of-way permit). Only a licensed general contractor may do the right-of-way work (Durham right-of-way permit). On a state-maintained road, the NCDOT driveway permit is separate from this application (Durham right-of-way permit). For a driveway or patio entirely on your own lot, ask Durham's planning staff what they need; we did not find a Durham page that says.

Cary

Cary's list of work that needs no building permit covers cosmetic replacements, small sheds and some fixture work, and does not name driveways or patios; Cary asks anyone unsure to call its Inspections and Permits Department (Cary building permits). Cary's pool guide notes that some lots have an impervious surface limit on the recorded plat, and counts new concrete decking against it (Cary pool guide). Check your plat before adding a patio or widening a driveway.

Chapel Hill

Chapel Hill requires a residential permit for patios, pavers and driveways, and reviews all exterior work against its setback, height, impervious surface and land disturbance limits (Chapel Hill permits). Adding more than 1,500 square feet of new hard surface puts a project in the top zoning review tier (Chapel Hill fees).

How good concrete flatwork is built

The National Ready Mixed Concrete Association publishes a series of short "Concrete in Practice" sheets (NRMCA). Two of them cover what most often goes wrong with driveways and patios. Most cracks come from how the slab was designed and built: missing or badly placed joints, a poorly prepared base, and too little curing (NRMCA CIP 4).

Joints

• Joints are planned cracks (NRMCA CIP 6).
• Contraction joints should be no farther apart than 24 to 36 times the slab's thickness, about 10 feet in a 4-inch slab, and never more than 15 feet (NRMCA CIP 6).
• Panels should be square or nearly so, no longer than 1.5 times their width, and not L-shaped (NRMCA CIP 6).
• A joint groove should be at least a quarter of the slab's depth and at least an inch, and saw-cut joints should be cut within 4 to 12 hours after finishing (NRMCA CIP 6).
• Isolation joints separate a driveway or patio from sidewalks, garage slabs, stairs and other fixed points (NRMCA CIP 6).

Base, mix and curing

• All topsoil and soft spots should come out, the base should be compacted, and it should slope so water drains away (NRMCA CIP 4).
• The concrete should have a moderate slump, not over 5 inches, and outdoor slabs that freeze should be air-entrained concrete (NRMCA CIP 4).
• Curing should start as soon as possible, with a curing compound sprayed on or damp burlap, and the slab kept moist for at least 3 days (NRMCA CIP 4).

HomeGuide adds that you can walk on new concrete after 24 to 48 hours, but it takes about 30 days to cure fully (HomeGuide, patios).

Before anyone digs

Call 811 before the forms go in. Locators have three business days to mark their lines, and 811 does not mark private lines such as irrigation, pet fences or power to an outbuilding (NC811). A new driveway or patio can cross any of those.

Hiring: questions to ask and red flags

Get at least three written estimates and a written contract, and don't pay large amounts in advance (NC Attorney General).

Questions to ask a concrete contractor

• How thick will the slab be, and how thick at the edges?
• Where will the joints go, how far apart, and when will they be cut?
• Is the old driveway removal, grading and any reinforcement in the price?
• Who applies for the permits, and who books the right-of-way inspection?
• If the apron is in the right-of-way: do you hold a general contractor license (Durham) or a bond on file (Raleigh)?
• How will the slab be cured, and for how long?

Red flags

• A contractor who asks you to take out the permits and arrange the inspections yourself, which the NC Department of Justice says could be a sign the contractor isn't licensed (NC Attorney General).
• A quote with no thickness, no joint plan and no mention of the base.
• A large cash deposit before any work starts.