Curb Cut for a Driveway: Permits, Rules, Process and What Affects the Cost

A curb cut is the lowered section of curb (and often sidewalk) that lets vehicles drive from the street onto a driveway. Creating a new one or widening an existing one usually requires a permit from whoever owns the street: the city or town public works department for local streets, or the state transportation department for state roads. Expect rules on maximum width, distance from intersections, hydrants and poles, drainage, and who is allowed to do the work. The actual construction involves saw-cutting and removing the curb, installing a depressed curb or apron, and often rebuilding part of the sidewalk to current accessibility standards.

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Why a Permit Is Usually Required

The curb, gutter, sidewalk and the strip of land between them are often in the public right-of-way, even when they look like part of your front yard. Changing them affects drainage, pedestrian safety, parking and traffic, so the street owner controls it. Building without a permit can lead to fines, orders to restore the curb at your expense, or problems when you sell the house.

Common Rules to Expect

Requirements vary a lot by municipality, so treat this as a checklist of questions to ask, not a rulebook:

• Width limits: a maximum curb cut width for residential driveways, and sometimes a limit on total frontage used for driveways.
• Number of driveways: limits on how many curb cuts a lot can have, which affects circular driveways.
• Distance from corners: minimum spacing from intersections so cars don't turn in right at the corner.
• Clearance from hydrants, utility poles, street trees, catch basins and crosswalks.
• Distance from property lines and neighboring driveways.
• Sight distance on busy or curving roads.
• Drainage: the gutter line must keep carrying water past the driveway.
• Sidewalk cross slope through the driveway, where accessibility rules apply.
• Materials: some towns require a concrete apron in the right-of-way even if the driveway itself is asphalt.

The Typical Permit Process

1. Call the right office. Ask whether your street is local, county or state, and which department issues driveway or curb cut permits.
2. Prepare a simple site plan showing the lot, house, existing and proposed driveway, curb cut width, and nearby hydrants, poles and trees. Measure frontage with a measuring wheel.
3. Check zoning. Some towns also regulate front-yard parking and paved coverage through zoning, separate from the street permit.
4. Submit the application with any fee, and a bond or insurance certificate if the contractor must provide one.
5. Schedule inspections, often before pouring concrete and after completion.
6. Call utility locating services before any digging.

Who Does the Work

Many municipalities require a licensed or registered contractor to work in the right-of-way, and some keep a list of approved contractors. Occasionally, the municipality itself does the curb work and bills the owner. Ask before hiring anyone, and make sure your contractor pulls the permit in the correct name.

How a Curb Cut Is Built

1. Traffic control is set up if the work extends into the street.
2. The curb and any sidewalk panels are saw-cut at the edges of the new opening.
3. Old curb and concrete are broken out and removed.
4. Base is prepared and compacted.
5. A depressed curb, apron or driveway entrance is formed and poured, with transitions (flares) at each side.
6. Sidewalk through the driveway is rebuilt at the required cross slope.
7. The street edge is patched with asphalt where it was disturbed.

After the curb cut, the driveway itself is built on your property. If your driveway is asphalt, see our article on a concrete apron with an asphalt driveway for how the two materials meet.

Widening an Existing Curb Cut

Widening follows the same permit process. Width limits may prevent a full-width opening, especially for two-car driveways that flare at the street. A common compromise is a driveway that widens after the sidewalk. Our driveway widening guide covers the on-property side.

Temporary Fixes Aren't Substitutes

If you're considering a curb cut just because the street edge is rough to drive over, a portable rubber curb ramp may help at an existing lowered curb. Rules on ramps in the gutter vary, since they can block drainage and interfere with street sweepers. Our guide to the bump where the driveway meets the street covers those options. Building a ramp over a full-height curb in place of a permitted curb cut usually isn't allowed.

What Affects the Cost

Prices depend heavily on region and year. Main factors:

• Permit and inspection fees, and any bond requirements
• Width of the opening and length of curb removed
• How much sidewalk must be replaced
• Whether utilities, drainage structures or trees must be moved or protected
• Traffic control requirements on busy streets
• Material required in the right-of-way (often concrete)

Get at least two quotes that spell out exactly what's included. For the driveway portion, estimate asphalt tons with our driveway asphalt calculator.

Timing Tips

• Apply early; permit review can take weeks in busy seasons
• Coordinate the curb cut before paving the driveway so the grades match
• Mark the planned opening with marking paint for the inspector and contractor
• Talk to neighbors if the new cut is close to their driveway or on-street parking

Bottom Line on Driveway Curb Cuts

A new or wider curb cut almost always needs a permit from the street owner, with limits on width, location and materials, and often a licensed contractor. Start with a call to your public works department, bring a simple site plan, and schedule the curb work before paving so grades and drainage line up.