RV Pad and Parking Slab Cost in NC (2026): Working Prices by Size, Load Class, and Site Prep

Quick answer: RV pad and parking slab cost across NC in 2026 runs $6,500 to $12,000 for a standard 12x40 RV pad (480 SF), $9,500 to $17,000 for a full 14x50 Class A pad (700 SF), $11,000 to $19,000 for a 20x40 two- or three-vehicle parking slab (800 SF), and $16,000 to $28,000 for a 25x50 multi-vehicle or RV plus boat plus trailer combination slab (1,250 SF). RV-load spec (5 to 6-inch slab, #4 rebar on 12-inch centers, thickened wheel-path strips under axle bearing lines, thickened jack-pad footprint at leveling jack corners) runs $3 to $5 per square foot over standard driveway spec. Five decisions move the number: slab thickness and reinforcement class, planned RV or trailer size and axle load, base preparation on soft or high-water-table sites, utility hookup scope (30-amp / 50-amp electric, water, sewer dump), and how the new pad ties into an existing driveway or a new dedicated approach. Local Concrete Contractor pours RV pads and extended parking slabs statewide across NC on a pay-on-completion basis.

12x40 standard RV pad (480 SF): $6,500 to $12,000

The 12x40 pad is the entry size for a dedicated RV parking pad in NC and the most common footprint for Class C RVs (25 to 32 feet long), Class B camper vans, travel trailers under 32 feet, and toy haulers under 34 feet. Working cost range $6,500 to $12,000 fully installed. The low end is standard driveway-load spec suited to seasonal or intermittent parking; the high end is RV-load spec for long-term stationary parking under hydraulic leveling jacks.

The base standard driveway-load spec at $6,500 to $8,500: 4-inch slab, welded wire mesh or #4 rebar in an 18-inch grid, 4 to 6 inches of compacted ABC stone base, 6-mil polyethylene vapor barrier on damp sites, 4000 PSI air-entrained concrete mix (5-7 percent air for NC freeze-thaw), broom finish, and standard 3/4-inch expansion joint against any existing driveway tie-in. Fine for a lightweight Class B or Class C parked for weekends and occasional weeks.

The RV-load spec upgrade at $9,500 to $12,000: 5-inch slab throughout with a 6-inch thickened wheel-path strip 24 to 30 inches wide under each axle bearing line, #4 rebar on 12-inch centers instead of 18-inch, a thickened jack-pad footprint (3 by 3 feet, 8 inches deep) at each corner where the leveling jack lands, 6 to 8 inches of compacted ABC stone base with geotextile fabric on soft or damp sites, hard-troweled or brushed finish for durability under repeated jack cycles, and cure-and-seal application. Required if the pad will host a fifth-wheel over 12,000 pounds or any RV parked stationary for 60-plus days at a time.

Short-load fee alert on this size: a 4-inch 12x40 pad calls for roughly 6 cubic yards of concrete plus the perimeter and jack-pad thickened zones. That is right at the concrete plant's short-load minimum (typically 8-10 yards without a fee, $50-125 per yard short-load surcharge below that). Combining the RV pad pour with any other small pour on the same day (sidewalk section, patio slab, driveway apron replacement) usually cancels the short-load fee — worth asking about at estimate.

14x50 Class A RV pad (700 SF): $9,500 to $17,000

The 14x50 pad is the working size for a full 36 to 42-foot Class A motorhome, a large fifth-wheel toy hauler, or a diesel pusher. The width matters here — 14 feet gives you door-swing clearance for slide-outs on both sides plus a 2 to 3-foot walk zone, versus 12 feet which puts the slide flush with the pad edge and forces you to step off the concrete when the awning is out or the coach is leveled uneven. Working cost range $9,500 to $17,000 fully installed.

Working cost math:

• 14x50 standard driveway spec (700 SF): $9,500 to $12,500 installed. Fine for a lightweight Class A used seasonally.
• 14x50 RV-load spec (700 SF): $12,500 to $15,500 installed. Standard spec for a full-time Class A on hydraulic jacks or a heavy fifth-wheel toy hauler.
• 14x50 full Class A spec: $15,500 to $17,000 installed. Adds engineered mid-depth reinforcement mat under axle bearing lines, thickened jack-pad footprints at all four corners, hard-troweled Class C finish, and integrated 30-amp or 50-amp electric plus water plus sewer clean-out hookup on the pad edge.

A 14x50 pour typically runs 12 to 16 cubic yards of concrete plus turn-down and jack-pad concrete, over the concrete plant's short-load threshold and eligible for standard pricing. Any Class A over 30,000 pounds GVWR sitting stationary for extended periods on hydraulic jacks pushes the spec to the upper end regardless of pad size — jack point loads can concentrate 10,000 to 15,000 pounds under a 6 by 6-inch bearing pad, and a residential 4-inch slab cracks under that point load within 2 to 4 seasons.

20x40 two- to three-vehicle parking slab (800 SF): $11,000 to $19,000

The 20x40 slab is the common size for a multi-vehicle side parking pad — two vehicles side by side plus a boat trailer, or a small RV plus a work truck plus a side-by-side. Working cost range $11,000 to $19,000 fully installed. This size gets used most often as a side extension off an existing driveway on lots with 20-plus feet of side yard between the driveway and the property line or the house.

Working cost math:

• 20x40 standard driveway spec (800 SF): $11,000 to $14,000 installed.
• 20x40 mixed-use spec (800 SF, 5-inch slab, #4 rebar on 12-inch centers, thickened wheel-path strips under RV or trailer bearing lines only): $14,000 to $17,000 installed. Recommended when only one of the parked vehicles is a heavy RV or trailer and the rest are passenger vehicles.
• 20x40 full RV-load spec (800 SF, 5 to 6-inch slab throughout, #4 rebar on 12-inch centers, thickened jack-pad footprints): $16,000 to $19,000 installed.

The 20x40 pour is 10 to 14 cubic yards depending on thickened-zone scope. If the pad ties into an existing driveway, a saw-cut and doweled tie-in transition adds $2,500 to $6,500 for the transition scope (see driveway extension math linked below). If the pad is standalone with its own approach, the approach itself runs $8,500 to $25,000 additional depending on setback distance and whether a new curb cut is needed. Our driveway extension cost guide covers the tie-in transition scope in detail.

25x50 multi-vehicle or RV combination slab (1,250 SF): $16,000 to $28,000

The 25x50 slab is the top of standard residential-scale parking pad scope and is the working footprint for an RV plus boat plus trailer combination, a two-Class-A configuration for extended-family stays, or a small commercial parking pad for a work truck plus equipment trailer plus box trailer setup. Working cost range $16,000 to $28,000 fully installed.

Working cost math:

• 25x50 standard driveway spec (1,250 SF): $16,000 to $20,500 installed.
• 25x50 mixed RV-load spec (1,250 SF): $20,500 to $25,000 installed.
• 25x50 full RV-load spec (1,250 SF): $24,000 to $28,000 installed. Adds engineered mid-depth reinforcement mat throughout, thickened jack-pad footprints at planned parking locations, hard-troweled Class C finish, and integrated utility hookup scope.

At 1,250 SF the pour is a coordinated multi-truck delivery (typically 16 to 22 cubic yards plus thickened-zone concrete) and often runs a concrete pump for interior placement if the pad is set back from the truck-accessible edge. This size crosses the threshold where a stamped foundation drawing from a NC-licensed engineer is worth the $800 to $2,500 up-front cost — an engineered plan with rebar layout, jack-pad footprint placements, and thickened wheel-path strips against surveyed RV or trailer axle spacing typically saves $3,000 to $8,000 by right-sizing the reinforcement instead of over-specifying the whole slab. See our large driveway replacement cost guide for the pour and phasing math on slabs of this footprint.

Base prep on soft or high-water-table sites

The single biggest cost swing on an RV pad or large parking slab in NC 2026 is the base preparation scope on soft or high-water-table sites. Sites that need extra base work push the total pad cost 15 to 40 percent higher than the base-case number.

Standard base (firm subgrade, well-drained lot): 4 to 6 inches of compacted ABC stone in two lifts with plate compaction, standard 6-mil polyethylene vapor barrier on damp sites. Included in base-case pricing.

Soft-site base upgrade: 8 to 12 inches of compacted ABC stone in three or four lifts, geotextile fabric between the native subgrade and the stone base to prevent stone migration into soft clay, over-excavation and re-compaction of the top 12 to 18 inches of subgrade before base placement. Cost adder $2 to $5 per SF or $1,600 to $6,250 on a 800 to 1,250 SF pad.

High-water-table base upgrade: 10 to 15-mil polyethylene vapor barrier instead of standard 6-mil, perimeter french drain against the exterior of the turn-down beam tied to a positive daylight or dry-well discharge point, sump basin scope on the low corner if the water table sits within 3 feet of the finished pad elevation. Cost adder $1,500 to $6,500 depending on drain length and discharge distance.

Sloped-site regrade: Any site with more than 4 inches of grade drop across the pad footprint requires either a cut-and-fill regrade before pour ($800 to $3,500 depending on cut volume) or an engineered stepped-slab design that pours the pad in two elevations tied together with a doweled step (add $1,500 to $4,500 to the pour). Grade drops over 12 inches across the pad usually push the design to a stepped-slab approach because a cut-and-fill regrade at that scale creates a large uncompacted fill zone that will settle under the pad within 3 to 8 seasons.

Utility hookups — 30-amp, 50-amp, water, sewer

Utility hookup scope on an RV pad in NC 2026 runs $1,800 to $8,500 depending on the combination and the distance from the house electrical panel and plumbing.

30-amp electric outlet (weather-tight TT-30R outlet, 10-gauge wire, dedicated 30-amp sub-panel breaker) at pad edge: $1,200 to $2,800 within 40 feet of the electrical panel, $2,800 to $5,000 for longer trench runs. Sized for Class C RVs, travel trailers, and lightweight Class B camper vans.

50-amp electric outlet (14-50R outlet, 6-gauge wire, dedicated 50-amp double-pole breaker) at pad edge: $1,800 to $4,500 for shorter runs, $4,500 to $7,500 for longer runs. Required for any Class A motorhome, most modern fifth-wheels, and any RV running two air-conditioning units simultaneously.

Freshwater hose bib (frost-free spigot on a dedicated 3/4-inch line buried below the NC frost depth of 6 to 12 inches, with backflow preventer for well-system properties): $600 to $1,800 depending on connection distance from the house plumbing.

Sewer clean-out or dump station access (4-inch PVC connection stubbed at the pad edge, capped and valved, tied to the septic system or municipal sewer): $1,500 to $4,500 depending on the sewer connection distance and whether a small pump station is needed to lift the flow from the pad elevation to the septic inlet elevation.

Full 50-amp plus water plus sewer package on a moderate-distance run: $4,500 to $8,500 total. Coordinate all utility stub placement before the concrete pour — every utility line runs through sleeves cast into the base course, not chased through the finished slab. Retrofitting a utility connection into a finished slab means saw-cutting and patching, which costs 3 to 5 times the price of doing it during the original base prep.

Tie-in to existing driveway vs standalone approach

Two ways to connect a new RV pad or parking slab to the street: tie into the existing driveway as a side extension, or build a dedicated separate approach.

Tie-in to existing driveway. The common approach on lots with 20-plus feet of usable side yard between the existing driveway and the property line. Cost adder $2,500 to $6,500 for the tie-in transition: saw-cut the existing driveway edge cleanly to a straight line, drill and epoxy #4 rebar dowels into the cut face on 12-inch centers, tie the dowels into the new pad rebar grid, pour a monolithic transition that reads as one continuous surface. Preserves the existing curb cut and utility approach. Constraint: existing driveway width has to accommodate the turn-in geometry — many NC piedmont driveways at 10 to 12 feet wide can not swing a 40-foot Class A onto a side pad without wheel-tracking across the lawn.

Standalone dedicated approach. The right pick when the existing driveway is too narrow, too far from the planned pad location, or the property has enough frontage for a second curb cut. Cost adder $8,500 to $25,000 additional depending on setback distance from the street to the pad, whether a new curb cut is needed (NC DOT or municipality permit fee typically $75 to $400 plus engineering for the approach transition), whether the approach needs a 20 to 30-foot radius turnaround at the pad end for backing in, and whether the approach needs to cross a drainage swale or ditch (culvert scope adds $1,500 to $6,000). See our circular driveway design guide for the geometry math on turnarounds and approach transitions.

Timeline: excavation to first parking

A standard RV pad or extended parking slab in NC runs 5 to 8 working days from excavation start to first-parking release, weather-dependent. Larger 20x40 and 25x50 slabs push toward the upper end because of coordinated multi-truck delivery and utility coordination.

Day 1-2 — excavation and utility trenching. Site grading to elevation target, footing perimeter excavation, utility trench runs from the house to the pad edge (electric, water, sewer), stone base placement in 2-inch lifts with plate compaction, vapor barrier layout (10 or 15-mil on wet sites, 6-mil standard), utility conduit and sleeve placement through the base.

Day 3 — formwork. Perimeter forms, thickened-edge form boards, jack-pad footprint forms, form stakes every 4 feet. Larger 25x50 pads may extend into Day 4.

Day 4-5 — reinforcement. Rebar grid on chairs at mid-slab, perimeter beam rebar cage, thickened wheel-path strip rebar, secondary mid-depth mat under jack-pad footprints and axle bearing lines on RV-load spec pads. Utility stub-out placement verification before pour.

Day 5-6 — pour and finish. Ready-mix delivery (typically 6 to 22 cubic yards depending on size), placement with pump or direct chute, screed, bull-float, wait for bleed water, broom or hard-trowel finish per spec, cure-spray application.

Day 7-8 — cure, form strip, release. 24 hours to walk-on strength. Form removal at 24-48 hours. Elevation shot on top of slab against target grade. Utility hookup final connections (electric outlet installation, water bib installation, sewer cap installation). Site cleanup. Release to first-parking use. Full-weight parking with hydraulic jacks recommended at 7-day cure minimum, full design strength at 28-day cure.

Key takeaways

• 12x40 standard RV pad (480 SF): $6,500-$12,000 installed. Standard driveway spec on the low end, RV-load spec on the high end.
• 14x50 Class A RV pad (700 SF): $9,500-$17,000 installed. Width matters — 14 feet gives slide-out clearance both sides plus walk zone.
• 20x40 multi-vehicle parking slab (800 SF): $11,000-$19,000 installed. Common as a side extension off an existing driveway.
• 25x50 combination slab (1,250 SF): $16,000-$28,000 installed. Top of residential-scale parking pad scope. Engineered stamped plan usually pays for itself.
• RV-load spec vs standard driveway spec: +$3 to $5 per SF for 5 to 6-inch slab, #4 rebar on 12-inch centers, thickened wheel-path strips, thickened jack-pad footprints. Worth every dollar on any Class A, heavy fifth-wheel, or long-term stationary parking.
• Base prep on soft or wet sites can add 15 to 40 percent to the pad cost — geotextile fabric, extra ABC stone lifts, perimeter drainage, upgraded vapor barrier.
• Utility hookups: 30-amp electric $1,200-$5,000; 50-amp electric $1,800-$7,500; water $600-$1,800; sewer $1,500-$4,500. Full package $4,500-$8,500. Sleeve all utilities through the base before pour — never chase through finished slab.
• Tie-in vs standalone approach: tie-in +$2,500-$6,500 for transition scope; standalone approach +$8,500-$25,000 depending on setback and whether a new curb cut is needed.
• Timeline: 5-8 working days excavation to first parking. Full-weight jack-parking at 7-day cure, full design strength at 28-day cure.

Pay Nothing Until Your RV Pad Is Poured, Cured, and Ready to Park On

Local Concrete Contractor pours dedicated RV pads, extended parking slabs, boat and trailer pads, Class A motorhome slabs, and multi-vehicle parking aprons across NC on a pay-on-completion basis — the homeowner pays nothing until the pad is placed, cured, elevation-shot, and ready to park on. We fund the excavation, the utility trenching, the stone base (with geotextile fabric on soft sites), the vapor barrier, the rebar (including thickened wheel-path strips and jack-pad footprints on RV-load spec), the forms, the ready-mix, the pour, the finish (broom, hard-trowel Class C, or brushed), and the final utility connections (30-amp or 50-amp electric outlet installation, water hose bib installation, sewer clean-out cap installation). No deposit. No progress payment. No lien position. Whether you are pouring a 12x40 Class C pad, a 14x50 Class A motorhome slab, a 20x40 multi-vehicle side pad, or a 25x50 RV plus boat plus trailer combination — call (704) 318-2440 or request a no-deposit RV pad estimate. We will line-item the size, the load-class spec, the reinforcement, the base prep scope, the utility hookup package, and the tie-in or standalone approach against the target budget before we break ground.