What is the going per-linear-foot price for apartment curb and gutter replacement in NC?

Turnkey commercial pricing for phased, traffic-managed curb and gutter replacement at NC apartment complexes runs $32 to $58 per linear foot in 2026. The bottom of that range is a single straight run on dry subgrade with the existing asphalt key in good shape and no after-hours requirement. The top of that range is a curved run with failed subbase, asphalt restoration, ADA detectable warnings at every drive cut, and a Saturday-night pour window to keep the property accessible. Residential curb pricing of $18 to $26 per LF does not apply to apartment work because it does not include traffic control, after-hours premiums, ADA controls, or the subbase replacement that drives 60 percent of commercial curb failures.

Why does a property manager need to replace the curb at all if it is just chipped or cracked?

Chips and surface cracks alone are cosmetic and rarely justify replacement. Three real failure modes justify the spend: settled or rotated curb sections that no longer hold the gutter pan to grade and let stormwater pond against the asphalt edge (which then accelerates pavement failure), spalled top edges from snowplow or scrape damage that have lost the structural radius and let vehicle wheels climb the curb, and complete loss of the curb-asphalt key where the gutter pan has separated from the pavement and water is undermining the subbase. Property managers should triage curb runs into these three categories before bidding, because the per-LF price changes materially for each.

What is the actual scope a property manager should put in the bid documents?

A real commercial curb-and-gutter bid scope reads as: full-depth sawcut along the back of the curb and the front of the gutter; tearout and haul of existing concrete; excavation to 6 inches below the gutter pan grade; replacement of subbase with 6 inches compacted NCDOT Type 1 aggregate to 98 percent modified Proctor; restoration of the asphalt key along the gutter pan with 1.5 inches of S9.5B mix tied into the existing pavement; pour of new curb and gutter to the existing or specified standard (Carolinas Standard 24-inch CG-1 most common); broom finish; control joints at 10-foot maximum spacing; expansion joints at 50-foot maximum spacing and at every transition; ADA detectable warning panels at every drive cut crossing; phased traffic control with cones, barricades, and detour signage; and a 7-day final ride-out audit before sign-off.

How do you replace 800 to 2,000 linear feet of curb without closing the property?

The same phasing playbook that works for apartment sidewalk replacement applies here, sized to traffic instead of pedestrian access. Phase length runs 60 to 100 linear feet — short enough that a closed phase never blocks the only access route to any building. Each phase is one demo day, one subbase and form day, one pour day, and a 24-hour cure before vehicle traffic. Pour windows start at 5:00 a.m. on weekdays or 11:00 p.m. on Saturday nights for high-traffic entries. Detour routing through the parking lot gets cones and reflective signage the day before each phase. Emergency-vehicle access stays open at every phase by design, and the on-site foreman coordinates with the property's fire-marshal access plan before mobilization.

What permits and inspections does apartment curb work require in NC?

Curb and gutter inside the property line (not in the public right-of-way) generally requires only a property-improvement permit from the municipality, which the contractor pulls for $75 to $250 depending on jurisdiction. Curb work in the public right-of-way (driveway aprons that tie to a city street, frontage curb along a public road) requires an encroachment permit, a traffic-control plan reviewed by the city engineer, and inspection at form-up and again at pour. Lead time for encroachment permits runs 10 to 21 business days in Charlotte and Raleigh, 5 to 10 days in Concord, Hickory, and Greensboro. Bids that quote curb work without separating public-ROW from private-side scope are pricing the wrong job.

Apartment Curb and Gutter Replacement: What NC Property Managers Actually Pay Per LF and How to Scope It Right

Quick answer: Apartment curb and gutter replacement in NC runs $32 to $58 per linear foot turnkey for the phased, traffic-managed version of the work. A real bid scope includes full-depth sawcut, tearout, subbase excavation and replacement to 98 percent modified Proctor, asphalt key restoration, new 24-inch CG-1 curb pour to Carolinas Standard, ADA detectable warnings at every drive cut, control joints at 10-foot maximum and expansion joints at 50-foot maximum, phased traffic control, and a 7-day ride-out audit. Bids under $30 per LF are pricing residential curb against a commercial problem. Bids over $60 per LF are loading premium that does not match the scope.

The numbers, broken out

Across our 2025 to 2026 commercial book, the all-in turnkey price for apartment-complex curb and gutter replacement at a North Carolina property lands in a tighter band than most property managers expect once the scope is normalized. The published per-LF range we quote against is $32 to $58, and the four buckets that drive a project's position in that range are:

$32 to $38 per LF — straight run, dry subgrade, existing asphalt key intact, daytime pour windows acceptable. The cleanest version of the work. Typical scenario: an isolated 200 to 400 LF section of curb along a building face that settled in one specific zone and the rest of the parking lot is structurally healthy.
$38 to $46 per LF — mixed straight and curved runs, partial subbase failure, ADA controls at three to six drive cuts, daytime work. Most common bid bucket for first-pass apartment curb work. Typical scenario: 600 to 1,200 LF of perimeter curb at a 200- to 300-unit garden-style property where the original 1985 to 2005 pour has aged through one or two freeze-thaw cycles past its useful life.
$46 to $54 per LF — curved runs through a porte-cochere or loop drive, full subbase replacement under most of the run, asphalt restoration along the full gutter pan, after-hours pour windows on high-traffic sections, ADA controls at every drive cut. Common bid bucket for mid-rise transit-oriented inventory and properties where the curb failure correlates with broader stormwater issues.
$54 to $58 per LF — public right-of-way scope on the property frontage, encroachment permit and traffic control plan required, lane closures coordinated with NCDOT or municipal engineering, weekend or overnight pour mandate. Always the smallest portion of any project, almost always the highest per-LF line item on the bid.

The published number assumes a 24-inch wide CG-1 curb and gutter section, which is the dominant standard in the Carolinas. Properties with a wider 30-inch CG-2 section or a custom-radius mountable curb run roughly 8 to 12 percent above the published range because the form labor and concrete volume scale with the section.

Why apartment curb work costs more than the homeowner price book says

The single biggest line item that separates commercial pricing from residential pricing is subbase failure. On a homeowner driveway, the existing 4 to 6 inches of compacted base under the curb is almost always intact when the curb itself starts to chip — the homeowner is replacing curb, not rebuilding the structural foundation under it. On a 20-year-old apartment property, the curb that needs replacement almost always failed because the subbase under it failed first. Freeze-thaw cycling, root intrusion from landscape installs that happened after the original pour, and groundwater migration under the gutter pan all degrade the subbase from below — and the curb on top of that subbase fails as a downstream symptom.

A bid that prices the curb replacement without including 6 inches of subbase excavation and replacement is buying back the same failure in 5 to 8 years. The same playbook discipline we cover in apartment sidewalk replacement applies at the curb line, scaled to vehicle load instead of pedestrian load. The other premium drivers are predictable: traffic control, ADA restoration at drive cuts, after-hours pour windows, and resident-services coordination. All four are line items the residential price book does not contain.

The asphalt key is the line item nobody bids correctly

The asphalt key is the 12 to 18 inch wide strip of pavement that sits flush against the gutter pan — it is the structural transition that ties the asphalt parking lot or roadway to the concrete curb and gutter. When the curb is sawcut out for replacement, the asphalt within 12 inches of the cut almost always cracks at the cut line, and the existing key is no longer structurally bonded to anything. A real bid scope includes 1.5 inches of S9.5B asphalt restoration along the full gutter pan, tied into the existing pavement with a sealed joint. A residential-grade bid does not.

The downstream cost of skipping the asphalt restoration is straightforward. The new curb gets poured, the existing failed key gets left in place, and within 18 months the parking lot pavement starts to crack and ravel along the curb line because the structural transition was never restored. The property manager either pays for asphalt patching as a separate Phase 2 project (almost always more expensive per SF than including it in Phase 1) or watches the same curb-line failure pattern reappear in 5 years. We pour the asphalt restoration as part of the curb scope by default and we line-item it on every bid so the property manager can see the cost.

How to scope the bid documents

The single most effective tool for getting clean, comparable bids on apartment curb work is a one-page scope sheet that the property manager issues to every bidder. The scope sheet covers, in plain English:

Total linear footage broken out by straight, curved, and drive-cut sections.
Public right-of-way footage broken out separately, with the city or NCDOT jurisdiction named.
The CG standard expected (CG-1 24-inch is the default for most NC apartment work).
The subbase scope (always include 6 inches of compacted ABC stone replacement; do not let bidders skip it).
The asphalt key restoration scope (always include 1.5 inches S9.5B; do not let bidders skip it).
ADA detectable warning panel scope at every drive cut crossing.
Traffic-control and phasing requirements, including pour-window restrictions and resident-notification expectations.
The 7-day ride-out audit requirement at substantial completion.

Bids that come back with a single $/LF number and no line-item breakdown are not real bids. The path of comparing them is to send the scope sheet back to the bidder with a request to line-item against it. A bidder that cannot line-item against a real scope is bidding residential and pricing residential — for property managers, the cheaper number ends up being the expensive number every time. The same line-item discipline we walk through in how to read a concrete contractor quote applies directly here.

Phasing: 60 to 100 linear feet, never more

Phase length on curb and gutter work is shorter than on sidewalk work because the constraint is vehicle access, not pedestrian access. A closed sidewalk phase blocks a single building entrance for 24 hours. A closed curb phase blocks a parking lane and forces every vehicle in that section of the lot to detour through another section of the lot. The phase length has to be short enough that the detour stays inside the property and never requires routing through a public street.

The right phase length is 60 to 100 LF, constrained by:

Parking lane continuity. A phase should not close more than one parking row at a time. On most garden-style properties, that caps phase length at 80 to 100 LF.
Detour distance. The detour route a resident drives around a closed phase should never add more than one parking row of travel to their walk from car to door. Longer than that and the leasing office gets complaints.
Fire-lane access. Every phase has to preserve clear fire-lane access to every building. We review the phase map against the property's NFPA fire access plan with the fire marshal before mobilization. Phases that block fire lanes get rerouted on the phase map regardless of demo efficiency.

Pour windows: 5 a.m. weekdays or 11 p.m. Saturday

The two pour windows that minimize disruption are 5:00 a.m. weekday starts and 11:00 p.m. Saturday-night starts. The weekday morning window works for interior parking-lot curb where the affected residents have not yet left for work. The Saturday-night window is mandatory on any curb that fronts a primary entry drive or a porte-cochere, where weekday morning traffic is too dense to accept a closure. Both windows finish broom-finish before peak traffic and let the slab cure overnight or through Sunday before vehicle traffic resumes.

The crew premium on the Saturday-night window is roughly $4 to $7 per LF over the daytime price — overtime labor plus the smaller ready-mix delivery window at Saturday night plant hours. We always line-item the after-hours premium so the property manager can see it and decide which sections of the run justify it.

ADA detectable warnings: the line item nobody includes

Every drive cut where a curb cuts down to a driveway or pedestrian crossing requires a detectable warning surface per the 2010 ADA Standards for Accessible Design — a 24-inch wide tactile panel with truncated domes installed flush with the gutter pan. The panel is most often a cast-iron or composite plate epoxied or wet-set into the new pour. The standard color is brick red against gray concrete to provide visual contrast.

The cost runs $180 to $320 per drive cut installed, and it is the single most commonly missed line item on commercial curb bids. A bid that does not include detectable warning panels at every drive cut is buying the property manager an ADA violation. The cost is low compared to the total project, the legal exposure of skipping it is not. The same expansion-joint and detail discipline we cover in expansion joint repair applies here at the curb-to-pavement transition.

Stormwater: the hidden cost in older properties

NC stormwater regulations have tightened materially since 2010 — particularly in Mecklenburg, Wake, and Durham counties — and any commercial curb work over 1,000 LF can trigger a post-construction stormwater review. The review checks whether the gutter pan grades still convey runoff to existing inlets and detention infrastructure at the rates the original site plan required.

On a 1985 to 2000 property, the original gutter grades almost always sag below the original spec because of subbase settlement under the curb. Replacing the curb to the original grade restores the runoff path, which is the easy version. Replacing to a different grade because the existing detention pond elevation has changed, or because a downstream inlet was relocated, is the hard version and requires a stormwater engineer of record sign-off. We always pull the property's original civil drawings before bidding to identify which version applies.

NC market notes

Three regional patterns shape apartment curb and gutter work across the state.

The Charlotte multifamily belt. South Boulevard, U.S. 74, the LYNX Blue Line corridor, and the Ballantyne / Pineville / Matthews submarkets. Highest density of garden-style inventory in the Carolinas. Encroachment permits run 10 to 21 business days through Charlotte Department of Transportation. Saturday-night pour windows are the dominant after-hours premium because Mecklenburg noise ordinance allows them on commercial property.

RTP and the Raleigh-Durham enterprise cluster. Cary, Apex, Morrisville, North Hills, and the Wake County class A inventory. Strictest stormwater discipline in the state — a 1,000+ LF project will often require a stormwater engineer sign-off before construction. Lead time on permitting runs longer than Charlotte because the Wake County engineering review is slower.

The Triad and western NC. Greensboro, Winston-Salem, High Point, Hickory, Gastonia, and Salisbury. Wider entry boulevards on the older 1970s and 1980s garden-style inventory mean curved and porte-cochere runs are more common than in the Charlotte stock. Permitting is fastest in this region — 5 to 10 business days typical. Western markets see more curb damage from snowplow scrape than the Piedmont stock.

Frequently asked questions

What is the going per-linear-foot price?

$32 to $58 per LF turnkey for the phased, traffic-managed version of the work. Position in the range is driven by subbase condition, after-hours requirements, ADA scope, and whether public right-of-way is involved.

Why does the property need to replace the curb at all?

Cosmetic chips alone do not justify replacement. Settled or rotated curb sections, spalled top edges that have lost the structural radius, and complete loss of the curb-asphalt key all justify the spend.

What scope belongs in the bid documents?

Full-depth sawcut, tearout, 6 inches subbase replacement to 98 percent modified Proctor, 1.5 inches S9.5B asphalt key restoration, new CG-1 24-inch curb pour, control joints at 10 feet, expansion joints at 50 feet, ADA detectable warnings at every drive cut, traffic control and phasing, 7-day ride-out audit.

How do you replace 1,000+ LF without closing the property?

Phase length 60 to 100 LF, 5 a.m. weekday or 11 p.m. Saturday pour windows, fire-lane access preserved at every phase, resident-notification door-hangers 72 hours out.

What permits and inspections are required?

Property-side curb needs a property-improvement permit ($75 to $250). Public right-of-way curb needs an encroachment permit, traffic-control plan, and inspection at form-up and pour. Lead time 10 to 21 business days in Charlotte and Raleigh, 5 to 10 in smaller markets.

Key takeaways

$32 to $58 per LF is the working turnkey range for phased apartment curb and gutter in NC. Anything under $30 is residential pricing against a commercial problem.
Subbase failure drives 60 percent of commercial curb failures. A bid that does not include 6 inches of subbase replacement is buying back the same failure in 5 to 8 years.
The asphalt key restoration belongs in the curb bid, not as a separate Phase 2 paving project.
ADA detectable warnings at every drive cut. $180 to $320 per drive cut. The legal exposure of skipping them is not worth the savings.
Phase length 60 to 100 LF. 5 a.m. weekday or 11 p.m. Saturday pour windows. Fire-lane access preserved at every phase.
Pay nothing until the work is complete. We phase-close, ride-out audit at 7 days, and invoice on substantial completion.

Ready to scope a phased curb and gutter replacement at your NC apartment property? Call Local Concrete Contractor at (704) 318-2440 or request a no-deposit commercial bid and we will walk the property with your regional manager and produce a line-item scope sheet within 5 business days.