50x100 Steel Building, Northcraft’s Largest Priced Footprint
5,000 sq ft clear-span shell, rigid I-beam frame — starting at $49,600, delivered.
50-Year Paint Warranty, 50-Year Rust Perforation Warranty, 60-Year Structural Warranty, and Lifetime Warranty on Hardware — all transferable to the next property owner.
Get Your Customized Quote
- No obligation — we’ll send the price, not a salesperson to your door.
- Engineered drawings stamped for your state.
- 60-Year Limited Structural, 50-Year Limited Paint, 50-Year Limited Rust Perforation, and Lifetime Limited Hardware warranties.
- Delivered nationwide, all 50 states.
I-Beam Rigid Frame • 50’ Clear Span • 60yr Limited Structural Warranty • Nationwide Delivery
50x100 Steel Building Price
$49,600 and up
I-beam framing, 12’ eave height basis, standard snow and wind loads.
Included
- • Stamped, engineered building drawings for your state
- • All primary building components
- • Freight to your site
Not included
- • Doors and windows
- • Insulation
- • Concrete or foundation work
- • Erection
Building specs
- • Framing type: Rigid frame I-beam, ASTM A992 Grade 50 steel yield strength
- • Roof / wall panels: 26-gauge and heavier available
- • Roof pitch: Up to 8/12
- • Coating: Galvalume AZ55 on secondary framing (girts & purlins); primary I-beam frame hot-dip galvanized, gray painted primer
- • Hardware: Stainless steel hardware with a neoprene washer
- • Trim package: Full trim package included
What moves the price
- • Eave height above the 12’ basis
- • Ground snow load above 35 psf
- • Wind load above 110 mph
- • Areas with high seismic activity
- • Collateral load requirements
This is a starting price, not a binding quote — your exact number depends on your state’s code requirements, site conditions, and what the building has to carry. We confirm the real number with stamped engineering before you sign anything.
What a 50x100 Footprint Actually Looks Like
Drawn to scale from the same specification the price above comes from. Door, window and interior layout aren’t shown because every Northcraft building is engineered to your plan — what’s fixed at this size is the footprint, the clear span and the eave height.
What Fits in a 50x100 Footprint
5,000 square feet, clear span, no interior columns — Northcraft’s largest currently priced building.
Large Commercial Warehouse or Distribution Center
5,000 square feet of clear-span floor — Northcraft's largest currently-priced building — for full-scale racked storage, staging, and shipping.
Heavy Manufacturing or Industrial Facility
The I-beam rigid frame is the heavier of Northcraft's two systems, built for production floors, overhead equipment, and industrial-scale operations.
Large-Scale Ag Operation
Enough room to run equipment storage, bulk feed or grain handling, and a work area as one integrated operation rather than several separate buildings.
Fleet Maintenance or Multi-Bay Commercial Facility
A full commercial fleet plus dedicated maintenance bays, parts storage, and office space, all under one 5,000-square-foot roof.
Using a 50x100 as a Shop
5,000 square feet at a 50-foot clear span on I-beam framing, 12-foot eave. This is the largest footprint on this site and it is a commercial building: warehouse, production floor, or equipment storage at fleet scale.
At this size the engineering conversation starts before the quote. Collateral load, door sizes for the equipment that has to get in, and floor loading all shape the frame, so the earlier they are on the table the less they cost.
Two things worth settling before engineering rather than after, because both are far cheaper to change on paper:
- Collateral load and floor loading together. At 5,000 square feet both shape the frame. A crane, a mezzanine, racking or a sprinkler system all belong in the first conversation, not the last.
- Door sizes against the equipment, and the delivery route. The doors are usually the constraint at this span, and the package itself is a serious freight load. Confirm both with your estimator before ordering.
The Top of Northcraft’s Full Price Curve
At 5000 square feet, $49,600 works out to $9.92 per square foot — the lowest per-square-foot number anywhere on Northcraft’s list, C-channel or I-beam. That’s the same pattern every width tier shows, carried all the way to its largest expression: fixed engineering and endwall costs matter least when they’re spread across the most floor space Northcraft prices. Within the I-beam family specifically, growing from 50x50 up to this size added space at $7.92 per square foot — see the 50x50 page for how that compares to the initial cost of stepping into I-beam in the first place.
Foundation for 5,000 square feet is Northcraft’s largest engineered slab, arranged separately from our price (see “What’s included” above) — reinforcement and thickness follow the stamped drawings for this specific frame and load configuration, not a generic commercial-slab assumption. Freight and erection both require professional crews and crane support without exception at this scale (see “Do I need a professional erector” above); build enough lead time into your schedule for site prep, multiple freight deliveries, and crane mobilization to line up.
Backed By Real Warranties
YEAR LIMITED PAINT WARRANTY
YEAR LIMITED RUST PERFORATION WARRANTY
YEAR LIMITED STRUCTURAL WARRANTY
LIMITED HARDWARE WARRANTY
All four warranties are transferable to the next property owner. Every building ships with code-compliant stamped engineering for the delivery state.
* Warranty coverage is subject to applicable warranty terms, conditions, limitations, and exclusions. Complete warranty details are provided during the purchase process and included within the applicable purchase documentation.
Frequently Asked Questions
What does a 50x100 steel building cost?
Northcraft's published floor for a 50x100 is $49,600, delivered, at a 12-foot eave height with standard loads (ground snow to 35 lb, wind to 110 mph). That covers stamped engineering drawings, the building components, and freight — not doors, windows, insulation, concrete, or erection.
How much does a concrete slab cost for a 50x100 metal building?
Northcraft prices foundation work separately (that service is available — ask for it in your quote request) and doesn't publish a slab price - a figure that's right in one county is wrong in the next. For 5,000 square feet, what moves it is local: frost depth, how level your pad already is, delivery distance, reinforcement and finish. Get two or three local quotes for 5,000 square feet with a thickened perimeter where the building anchors down. Your stamped drawings include the anchor-bolt layout your concrete contractor needs, and we send it to them directly.
Is a 50x100 metal building the same as a 50x100 steel building?
In everyday use, yes — most buyers say "metal building" and "steel building" interchangeably, and we answer to both. The distinction worth caring about is the frame, not the word. A 50x100 at this size is I-beam framed, which is a different structure from the hollow tube frames most of the cheapest advertised buildings use. Two buildings can both be sold as a "50x100 metal building" and not be comparable products.
Why is a 50x100 priced in I-beam instead of C-channel?
Width decides frame type, not floor area. 40 feet is the widest clear span Northcraft builds in C-channel; a 50-foot-wide building needs the heavier I-beam rigid frame system to span the distance, which is also why the eave-height basis steps up to 12 feet at this frame type.
Is a 50x100 I-beam building still clear span, with no interior posts?
Yes. I-beam rigid frame construction is designed to span open across the full width, the same column-free principle as Northcraft's C-channel buildings — it's the frame system that changes to handle the wider span, not the layout.
What is collateral load, and does it matter more at this size?
Collateral load is the weight of anything hanging from or attached to the roof structure beyond the building itself — a crane system, a heavy mezzanine, a sprinkler system, ductwork. It's a genuine 'what moves the price' factor on Northcraft's I-beam buildings, and it becomes more relevant, not less, as buildings get larger and are more likely to carry industrial equipment.
Do I need a permit for a 50x100 steel building?
Most jurisdictions require a permit for a structure this size, and a building this large for commercial or industrial use typically triggers additional review. We provide the stamped engineering drawings your local building department will ask for.
Can I customize the building, or is 50x100 a fixed size?
Every Northcraft building is fully customized to your exact specifications — this isn't a catalog of fixed sizes. Bring your own dimensions, door and window placement, and requirements, and we'll engineer to those specs instead of a preset.
What's included in the price, and what isn't?
Included: stamped engineered drawings for your state, every structural and panel component, and freight to your site. Not included: doors and windows, concrete or foundation work, and erection — priced separately; those services are available. At this scale, collateral load, dock configuration, and any interior build-out should all be discussed with your estimator before your final number is confirmed.
Do I need a professional erector for a 50x100 building?
Yes, always. A building at this scale requires crane support and a professional erection crew — this is Northcraft's largest currently-priced building and is not a DIY-scale project.
How long does a 50x100 building take from order to delivery?
Typically 45-60 days from order to delivery, depending on engineering review and current production volume. Your estimator confirms a real date range once your drawings are finalized.
Where does 50x100 sit against Northcraft's smallest building, in real terms?
It's a useful way to see the full range Northcraft prices, start to finish. The smallest building on the list is 480 square feet; this one is 5000 — more than ten times the floor space, for roughly the same multiple in price. The per-square-foot cost, though, moves in the opposite direction: it's $9.92 here, near the top of the list, against $21.88 at the smallest size. If your project could plausibly land anywhere in that range, that inverse relationship is worth knowing before you assume bigger always costs proportionally more.
Get Your 50x100’ Customized Quote Today
Starting at $49,600, delivered and engineered for your state. No obligation.
Call: (888) 460-9294 | Email: Estimating@Northcraftsteel.com
Get Your Customized Quote