Three Car Garages
30x40 Garage With Lean-To
SKU: GB1707
Starting at
$20,096*
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
Check Your Area
Delivery, certifications & load requirements
Blending the comfort of a cozy exterior with the strength of steel construction, this 30’x40′ Garage with Lean-To is built for both function and lifestyle. The attached lean-to creates a shaded porch-like space—perfect for relaxing, outdoor seating, or a covered workspace—while the fully enclosed garage keeps your vehicles, tools, and equipment secure.
With its vertical roof design, this building ensures better water runoff, reduced maintenance, and long-term durability. Whether you’re setting up a workshop, home studio, guest space, or multipurpose garage, this structure adapts effortlessly to your needs. Call our building experts to order your custom 30x40 steel building at the best prices.
Technical Details
Specifications
| SKU | GB1707 |
| Frame Gauge | 14-Gauge (12-Gauge upgrade available) |
| Panel Gauge | 29-Gauge |
| Material | Galvanized Steel |
| Area | 1200 SQFT |
| Gauge | 14 GA (2½”) |
| Width | 30' |
| Height | 12' |
| Length | 40' |
| Lean-to | 1 |
| Roof Color | Earth Brown |
| Roof Pitch | 3/12 |
| Roof Style | Vertical |
| Trim Color | Earth Brown |
| Wall Color | Tan |
| Garage Door | 1 |
| Roof Length | 41' |
| Wall Panels | Horizontal |
| Lean-To Type | Side Attached Covered Porch |
| Walk-in Door | 1 |
| Building Type | Metal Garage with Lean-To |
| Certification | Built to Local Code |
| Frame Material | Galvanized Steel |
| Included Parts | Steel frame, roof panels, wall panels, trim, anchors, hardware |
| Panel Warranty | 10-Year Paneling Warranty |
| Structure Type | A-Frame |
| Garage Door Size | (1) 10’x12′ Roll-Up Garage Door |
| Structure Design | Enclosed Garage with Open Outdoor Extension |
| Vehicle Capacity | 1–2 Vehicles + Workspace |
| Design Highlights | Porch-style lean-to, residential-friendly look, multipurpose layout |
| Garage Door Color | High Gloss White |
| Walk-in Door Size | (1) 36”x80” Walk-in Door |
| Weather Resistance | Rust resistant, wind resistant, rain resistant, UV resistant |
| Installation Surface | Concrete |
| Customization Options | Lean-to size, extra doors, windows, insulation, colors |
Can't Find the Right Fit? Design Your 30x40 Garage With Lean-To in 3D
Customize your 30x40 Garage With Lean-To 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.
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 OptionsRent-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 QuoteReady to Make the 30x40 Garage With Lean-To Yours?
Get a personalized quote with your exact customizations — color, doors, windows, and more. It's free, fast, and there's zero obligation.
Got Questions? We've Got Answers
What is the purpose of the lean-to area?
Can this be used as a living or guest space?
Is the building durable in harsh weather?
Can I customize the lean-to size or layout?
Do I need permits before installation?
How long does installation take?
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.