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Garage Buildings
30x40 Metal Garage | 30x40 Steel Buildings for Sale
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Metal Workshops

30x40 Metal Garage

SKU: GB1665

30' W × 40' L × 12' H
Vertical Roof
1200 sq ft
Financing Available
No Credit Check RTO

Starting at

$18,325*

Delivered & installed — final price varies by location.

*Accessories shown are not included in the base price

30' × 40' × 12'

1,200 sq ft · Vertical Roof

Free delivery & professional installation
20-year rust-through warranty
No credit check RTO available
18+ color options available

Check Your Area

Delivery, certifications & load requirements

The 30x40 Metal Garage is a powerful, all-purpose structure designed for property owners who need reliable space, durability, and flexibility. With 1,200 sq ft of usable area, this garage easily accommodates multiple vehicles, equipment, or a fully functional workshop setup.

Built with a vertical roof system, it efficiently channels rain, snow, and debris away—reducing maintenance while increasing lifespan. The two 10’x10’ roll-up garage doors provide wide, convenient access for trucks, trailers, and machinery, while the walk-in door ensures easy daily entry.

Constructed using a 14-gauge galvanized steel frame and 29-gauge metal panels, this building delivers long-term strength and weather resistance. The addition of three windows enhances natural lighting, making it perfect for workspace use.

Whether you need secure vehicle storage, a home workshop, or a multipurpose utility building, this 30x40 garage is built to perform in every season. Call our building experts to order your custom metal building at the best prices.

Technical Details

Specifications

SKUGB1665
Area1200 SQFT
Frame Gauge14-Gauge (12-Gauge upgrade available)
Panel Gauge29-Gauge
MaterialGalvanized Steel
Gauge14 GA (2½”)
Width30'
Height12'
Length40'
Windows1
Gable EndsFully Enclosed
Rood Pitch3/12
Roof ColorRed
Roof StyleVertical
Trim ColorRed
Wall ColorRawhide
Roof Length41'
Garage Doors2
Intended UseGarage, Workshop, Storage, Residential, Commercial
Walk-in Door1
CertificationBuilt to Local Code
Top Use CasesVehicle storage, lawn equipment storage, workshop, hobby space, small business use
Frame MaterialGalvanized Steel
Included PartsSteel frame, roof panels, wall panels, trim, anchors, hardware (varies)
Structure TypeA-Frame
Vehicle Capacity2–4 Vehicles / Equipment
Design HighlightsFunctional layout, wide access points, clean modern finish
Garage Door ColorHigh Gloss White
Walk-in Door Size(1) 36”x80” Walk-in Door
Weather ResistanceRust resistant, Rain resistant, Wind resistant, UV resistant
Highlighted FeaturesSpacious 30x40 layout, dual large doors, natural lighting, heavy-duty steel frame
Installation SurfaceConcrete
Customization OptionsAdditional doors, windows, insulation, colors, certification upgrades
Wall Panel OrientationVertical Fully Enclosed

Can't Find the Right Fit? Design Your 30x40 Metal Garage in 3D

Customize your 30x40 Metal Garage with different roof styles, colors, dimensions, garage doors, walk-in doors, windows, insulation, lean-tos, certification options, and other available upgrades.

Our free 3D Building Designer lets you personalize every detail, compare different layouts, and visualize your building before requesting a quote—helping you design the perfect structure for your property and needs.

Design in 3D

Flexible Payments

Affordable Payment Options

Traditional Financing

Low monthly payments with competitive rates through our financing partners. No early payoff penalties. Get approved in minutes.

See Financing Options

Rent-to-Own — No Credit Check

Bad credit? No credit? No problem. Get your building now and pay monthly. Our trusted RTO partners — EZPay Buildings (exclusive 48-month terms for renters), RTO National, and Heartland (up to 60 months) — offer no-credit-check, same-day approval for amounts up to $20,000.

Call For Free Quote

No Parts • No Repair Service • No Relocation

Ready to Make the 30x40 Metal Garage Yours?

Get a personalized quote with your exact customizations — color, doors, windows, and more. It's free, fast, and there's zero obligation.

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Got Questions? We've Got Answers

How much does a 30x40 metal garage cost?
Typically ranges from $10,000 to $25,000+, depending on steel gauge, customization, location, and certification requirements.
How much does a 30x40 concrete slab cost?
A slab for this size (1,200 sq ft) usually costs $6,000 to $12,000, depending on thickness, site prep, and local labor rates.
Is this garage customizable?
Yes, you can customize size, doors, windows, colors, insulation, and certifications to match your exact needs.
Do I need a concrete foundation?
A concrete slab is strongly recommended for maximum durability, proper anchoring, and long-term performance.
How long does installation take?
Most installations are completed within 1–3 days, depending on site readiness and weather conditions.
Can this be used as a workshop?
Absolutely. With its wide layout, tall doors, and natural lighting, it’s ideal for workshops, repairs, and hobby use.

Essential Resources

Before You Buy

Everything you need to make a confident decision on your metal building purchase.

Talk to a Building Specialist

Not sure about sizing, roof style, or options? Our team has 29+ years of experience and will help you find exactly what you need.

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