20x40 · Garage

20x40 metal garage

A 20x40 metal garage, covering 800 sq ft, starts at $9,239 delivered and professionally installed. This size offers versatile space with strong engineer-certified construction.

20x40 metal garage — Gold Tier Structures
20x40 metal garage — delivered and professionally installed by Gold Tier Structures.

Starting price

$9,239

Delivery & professional installation included.

VerifiedBBB Accredited
CertifiedEngineered to Local Codes
Warranty20-Year Rust-Through
IncludedProfessional Install

Specifications

Get exact price →

A 20x40 metal garage offers a spacious 800 square feet of sturdy, secure storage and workspace. Ideal for vehicles, equipment, or workshop needs, this size balances ample room with a manageable footprint. Because this 800 sq ft structure exceeds the 120 sq ft threshold, a permit is typically required before installation in most jurisdictions. Crafted with durability in mind, these garages feature engineer-certified construction to meet local snow and wind codes, ensuring lasting protection.

With options for framing gauges of 12-ga (heavy duty) or 14-ga (standard), plus 26-ga roof and wall panels, the 20x40 metal garage can be tailored for strength and longevity. You can select from various configurations, including rollup doors, walk-in doors, and windows, to suit your specific usage and preferences. Delivered and professionally installed through a nationwide network of fulfillment locations, these buildings provide a reliable solution for commercial or residential needs, starting at $9,239.

20x40 Garage — Specifications & Options
Specification Detail
Dimensions 20' W × 40' L — 800 sq ft clear span
Leg height 8'–20' available
Roof style Regular, A-frame horizontal, A-frame vertical
Framing gauge 12-ga (heavy duty) or 14-ga (standard)
Panel gauge 26-ga roof and walls
Doors & windows Configurable: 10'×10' rollup doors, 36"×80" walk-in door, 30"×30" single-pane windows
Certification Engineer-certified to local snow & wind codes
Starting price From $9,239 — delivered & installed

Your price depends on your county. Get it in two minutes.

Call (833) 509-GOLD Get Exact Price

Questions

Get exact price →
How long will it take to get my metal steel building delivered?
Lead times vary by region and current installation schedule in your area. Your sales rep can give you the most accurate estimate for your location.
What kind of warranty is offered?
Upgrade to 12-gauge framing for a 20-year rust-through warranty. Every building includes a 1-year workmanship warranty. Add the optional 100 MPH lifetime wind warranty for ultimate peace of mind. 10-year and 20-year paint warranties are also available to protect against fading, chalking, and peeling. Full details are provided in your contract.
How long does it take to install a metal steel building?
Installation time depends on the building’s size, design complexity, and crew availability in your area. Smaller garages typically go up in a few days to a week, while larger or more custom units can take several weeks. Once your order is placed, the scheduling team will contact you with a precise timeframe for your specific building.
Does the price include delivery and installation?
All prices include both delivery and professional installation unless clearly noted otherwise on your order.
Do I need a permit for my metal building?
Most areas require a permit for any structure larger than 120 sq ft, but requirements vary by location. Always verify exact rules with your local building department or HOA. Plans and calculations are provided when needed.
How long is my quote valid for?
Quotes are valid for one week, though prices can change with steel markets. Contact your sales rep for the latest pricing anytime.
How do these buildings handle heavy snow?
Every building is engineer-certified to local snow and wind loads, and framing is reinforced in snow regions.
What framing and panel gauge options are available for a 20x40 metal garage?
You can choose between 12-ga (heavy duty) or 14-ga (standard) framing gauges for this size. The roof and wall panels are 26-ga steel, providing a durable and weather-resistant exterior.
What are common door and window options for a 20x40 metal garage?
This metal garage allows customizable door and window configurations including 10'×10' rollup doors, standard 36"×80" walk-in doors, and 30"×30" single-pane windows to meet your access and ventilation needs.

Want to see it before you price it? Configure size, doors, colors, and openings yourself.

Design yours →