50x80 Pole Barn Cost 2026: $35,000-$150,000 Kit vs Built

A 50x80 pole barn costs $35,000 to $150,000 in 2026 depending on kit vs. contractor-built and how finished the interior is. The most common build — a contractor-built shell with a concrete slab and basic electrical — averages $95,000 to $115,000 nationally.

50x80 pole barn cost at a glance (2026):

Kit only (materials): $35,000 – $55,000

Kit + hired labor: $52,000 – $80,000

Contractor-built shell: $55,000 – $90,000

With concrete slab: $75,000 – $120,000

Slab + electrical: $84,000 – $130,000

Fully finished (insulated, wired, doors): $95,000 – $150,000

Per-square-foot: $9 – $38 (4,000 sqft)

National average (contractor + slab + basic electrical): $95,000 – $115,000

The 50x80 is a commercial-scale pole barn — 4,000 square feet, the size of a small auto repair shop, mid-size farm equipment building, or large indoor riding arena. At this scale, the engineering, materials, and labor decisions get materially more complex than smaller residential builds — and the price reflects that.

50×80 Pole Barn Price Summary

Configuration	Price Range
Kit only (materials)	$35,000–$55,000
Kit + hired labor	$52,000–$80,000
Contractor-built (shell only)	$55,000–$90,000
With concrete slab	$75,000–$120,000
With slab + electrical	$84,000–$130,000
Fully finished (insulated, wired, doors)	$95,000–$150,000

The national average for a contractor-built 50x80 with a concrete slab and basic electrical is approximately $95,000 to $115,000.

Kit vs Contractor-Built Pricing

50×80 Pole Barn Kit: $35,000–$55,000

A 50x80 kit at this scale isn’t a stock item — most manufacturers engineer it to spec rather than ship a pre-cut package. Expect:

Pre-cut treated 6x6 (or 8x8 in heavy-snow regions) posts, 18–22 quantity
Custom-engineered 50-foot scissor or parallel-chord trusses (20–22 trusses at 4’ spacing)
Heavy-duty purlins and girts
26 or 29-gauge steel roofing and siding (often 26-gauge at this size)
Ridge cap, trim, and all fasteners
Two overhead door frame openings + two walk-in doors
Hardware and engineered drawings stamped for permit submittal

Not included: slab, the actual overhead doors, electrical, insulation, site prep, or permits. Add $20,000–$45,000 for those finishing items.

Contractor-Built: $55,000–$90,000

Contractor shell (no slab) runs $55,000–$90,000. Midwest pole barn states (IN, OH, IA): $55,000–$70,000. Northeast or West Coast: $75,000–$90,000. Custom-engineered work often involves a longer lead time — expect 4–8 weeks for engineering and 6–12 weeks for the actual build.

Concrete Slab Cost for a 50×80

Slab Type	Cost
4” standard slab (residential equipment use)	$20,000–$24,000
4” slab with wire mesh	$22,000–$27,000
6” reinforced slab (commercial equipment, combines)	$26,000–$30,000
8” reinforced slab (heavy industrial)	$32,000–$40,000
Thickened edge	Add $1,500–$3,500

At 4,000 sq ft, expect $5–$8/sqft for concrete with site prep and finishing. For commercial use with forklifts, compactors, or heavy equipment, spec a 6” or 8” slab — the upgrade pays for itself the first time you avoid a cracked floor.

What Affects 50×80 Pole Barn Pricing?

Height: 14’ eaves are common; 16’ for combine clearance; 18–22’ for indoor arena lights or industrial use. Each foot of additional height adds roughly $1,500–$2,500 across this footprint.
Overhead doors: 12x12 ($1,500–$3,500), 14x14 ($2,800–$5,500), 16x16 ($4,500–$8,000), 18x18 ($6,500–$11,000), commercial 20x20 ($9,000–$14,000).
Steel gauge: 26-gauge upgrade costs $5,000–$9,000 across this footprint but is recommended for commercial durability.
Insulation: Vinyl-backed $5,000–$9,500; spray foam $14,000–$25,000.
Electrical: Basic $6,500–$10,000; commercial 200A 3-phase $11,000–$18,000; heavy industrial $18,000–$30,000.
Engineering / Permit: Engineered drawings $1,500–$4,500. Commercial permit fees vary widely — $1,000–$5,000 in most jurisdictions.
Location: 20–40% swing across regions. See our state cost guides.

50×80 Pole Barn Cost by Use

Indoor Riding Arena (Equestrian)

Total cost: $75,000–$120,000 16-foot eaves (for jumping clearance), full insulation, sand/dirt arena footing (no slab), one large overhead door for tractor access, basic LED lighting, viewing area at one end. The 50x80 footprint is the minimum size for a usable competition-style arena.

Farm Equipment Storage + Workshop

Total cost: $80,000–$115,000 14-foot eaves, three 14x14 overhead doors, partial slab (workshop end only, ~50x30), gravel storage end, basic electrical with workshop subpanel. Fits 4–5 tractors plus implements plus a 50x30 workshop area.

Commercial Auto Body / Repair Shop

Total cost: $110,000–$150,000 6” reinforced slab, 200A 3-phase electrical, 14-foot eaves, four 12x12 overhead doors (one per bay), full insulation, dedicated office partition, bathroom rough-in, paint booth ventilation rough-in, compressor room. The 50x80 fits 4 service bays plus office/parts area.

Light Industrial / Manufacturing

Total cost: $115,000–$150,000+ 8” reinforced slab, 400A 3-phase electrical with multiple subpanels, 18-foot eaves, two 16x16 overhead doors, two 12x12 dock-height doors with leveler ramps, full insulation, fire-rated office partition. Suitable for small manufacturing, contractor warehouse, or distribution.

Multi-Stall Horse Barn + Indoor Arena

Total cost: $90,000–$135,000 12 to 14 stalls along one long wall, center aisle, tack room and feed room, indoor riding/lunging area on the other half of the building. Common high-end equestrian build.

Sample Cost Breakdown: 50×80 Equipment Storage + Workshop

Item	Cost
Post-frame shell (materials + labor, 14’ eaves, engineered)	$62,000
4” concrete slab with wire mesh (workshop end, 50x30)	$13,500
Compacted gravel floor (storage end, 50x50)	$5,500
Three 14×14 overhead doors	$11,000
One walk-in door (steel, insulated)	$550
Three 4×3 windows	$1,000
Electrical (200A panel, workshop subpanel, 220V circuits, LED lighting)	$9,500
Vinyl-backed insulation (workshop half only)	$4,500
Site prep, gravel base, drainage, swale	$5,500
Engineered drawings + building permit	$2,800
Total	$115,850

Trim $15,000–$25,000 with no insulation, two doors, full gravel floor. Add $20,000–$40,000 for full slab, spray foam, 3-phase electrical, premium finishes.

How to Get the Best Price on a 50×80

Get at least 4 quotes. Request free estimates from local builders — at this scale, pricing swings $15,000–$30,000 between contractors. Specify the exact use case so each bid is comparable.
Build in the off-season. October through February brings the lowest bids — most contractors discount 10–20% to keep crews busy.
Engage an engineer early. Buildings this size require engineered drawings. Hire your own engineer if you want — sometimes cheaper than the builder’s stamped drawings.
Bundle slab with the build. Pump truck is already on site — 20–30% cheaper than retrofitting later.
Negotiate on doors. Commercial overhead doors marked up 30–50% by builders versus buying from a commercial garage door supplier.
Plan for utility service. A 50x80 with commercial electrical may need a transformer upgrade. Check with your utility before designing — this is often the longest lead-time item on a commercial build.

Frequently Asked Questions

How much does a 50x80 pole barn kit cost? $35,000 to $55,000 for engineered materials. Plan another $20,000–$45,000 for slab, doors, electrical, insulation, and permits.

How much does it cost to build a 50x80 pole barn with a concrete slab? $75,000 to $120,000 contractor-built. Shell ($55K–$90K) + 4,000 sqft slab ($20K–$30K).

Can I build a 50x80 pole barn myself? At this size, true DIY is impractical. The 50-foot trusses weigh 800–1,500 pounds each and require a crane to set safely. Most “DIY” 50x80 builds are really kit + hired crew arrangements where the owner manages site prep, electrical, and finishing while a 4–6 person professional crew erects the shell over 2–3 weeks.

Does a 50x80 require special permitting? Almost always yes. Most jurisdictions require commercial permits for any building over 3,000 sqft, plus engineered drawings, plus possibly Site Plan Review and zoning approval if the use is non-residential. Permit + engineering costs typically run $2,500–$6,000 on a 50x80 build.

How does a 50x80 compare to a 40x80? A 50x80 (4,000 sqft) is 25% larger than a 40x80 (3,200 sqft). The extra 10 feet of width meaningfully changes interior layout — you can fit a 4-bay auto shop in a 50x80 where a 40x80 only fits 3 bays comfortably. Costs roughly 20–25% more than a 40x80 for the same finish level.

What’s the largest piece of equipment that fits in a 50x80? A modern combine with a 30-foot header detached fits comfortably with 16-foot eaves. With the header attached you’d need 50-foot doors which doesn’t make sense — most farm operations detach headers for storage. Class A motorhomes (40+ feet), school buses, and most light commercial vehicles fit easily.

How long does a 50x80 pole barn take to build? A professional crew erects the shell in 8–14 days (longer than smaller buildings due to trusses, height, and complexity). Slab adds 3–5 days plus 7–14 days cure. Electrical 5–10 days. Total: 6–10 weeks with a contractor including permitting and engineering.

Get Your Free 50×80 Pole Barn Estimate

Ready to price out your 50x80 pole barn? Get free quotes from local builders who know your area’s pricing and have experience with commercial-scale builds. At this size, builder selection matters more than for residential work — get bids from contractors who’ve built at least 5 buildings of similar size.

For other sizes, see our complete pole barn cost guide or browse state-specific pricing.