30x40 white pole barn with black roof and trim, three garage doors with windows, shutters, cupola, and wainscoting

30×40 Residential Garage Building

with Three-Car Layout & Cupola

This 30×40 residential garage building combines a clean three-car layout with classic country styling. The three matching garage doors, centered cupola, black roof, and contrasting black wainscoting create a balanced design that feels at home on established residential properties.

The building’s character comes from its proportions rather than decorative features. A long roofline, symmetrical front elevation, and simple black-and-white color palette give the garage a timeless appearance that complements both rural and residential settings.

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30×40 Residential Pole Building Specifications

109

30′ × 40′ × 10′

1,200 Sq. Ft.

Three-Car Garage Layout

  • (3) 10′ × 8′ insulated garage doors with windows
  • (1) 36″ solid entry door
  • Three front-facing garage bays
  • Dedicated vehicle storage positions

The three-bay layout creates a clean, organized front elevation while providing separate space for vehicles, lawn equipment, and everyday property storage.

Cupola & Exterior Character

  • 36″ cupola with weathervane
  • (2) 32″ × 44″ single-hung windows with shutters
  • 36″ wainscoting
  • Traditional garage styling

The cupola serves as the visual focal point of the building, giving the garage a classic country character that feels more refined than a standard detached garage.

Building Colors

  • Walls: White
  • Roof: Black
  • Trim: Black

The white siding and black roof combination create a timeless residential color palette. Combined with the black wainscoting and cupola, the building carries the appearance of a classic country garage rather than a purely utilitarian structure.

Common Uses

  • Three-car detached garage
  • Country property garage
  • Residential pole building
  • Home vehicle storage
  • Backyard garage building
  • Residential outbuilding
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Customize This Residential Pole Building

Adjust the Garage Layout & Exterior Details for Your Property

30×40 Estate-Style Garage with Cupola, Three-Car Layout & Classic Country Character

Modify garage doors, cupolas, windows, colors, overhangs, and exterior finishes using our interactive 3D building designer.

Need Help Taking the Next Step?

Whether you’re comparing financing options, planning your project, or looking for expert guidance, these resources can help you move forward with confidence.

Financial Options

Flexible financing options are available for qualified projects. Explore payment solutions designed to help you move forward with confidence.
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Planning & Preparation

From site prep to permits and layout planning, our Planning Guide helps you understand the important steps before construction begins.
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Talk to Our Team

Need help deciding what works best for your property? Our team is here to answer questions and help guide your project.
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What Our Customers are Saying

Thousands of Pennsylvania homeowners and farmers have trusted Timberline for over two decades. Let us show you why.

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john gundy
August 12, 2026
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To Whom It May Concern, We recently had a two-car garage built by Timberline Buildings and could not be happier with the experience. From start to finish, the process was exceptional. The pricing was reasonable, and the finished product exceeded our expectations. The crew that arrived on site was efficient, professional, and hardworking. They put in full days and consistently cleaned up thoroughly at the end of each day—something we truly appreciated. We would gladly recommend Timberline Buildings to anyone considering a similar project. Sincerely, Jong Gundy
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Dave Aducci
August 5, 2026
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I could not be happier with my new Timberline pole building. From start to finish the team at Timberline was fantastic to work with. They patiently worked with me on multiple design changes to ensure the building was designed and built exactly how I had envisioned. They coordinated with the building inspector at every stage to be sure my future Bardominium was meeting code requirements. Once the ground thawed the Timberline team promptly got to work, traveling a long distance to the job site and arrived on time every morning. It was completed in just a few days and only 2 additional days needed to insulate the building and pour the concrete slab floor. I hope I get the opportunity to work with this company again on another project, it really was a pleasure.
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Beau Yarmush
July 28, 2026
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I would certainly recommend giving Timberline a call if you’re interested in a new pole building!
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Taylor Young
July 1, 2026
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Bought property with a Timberline pole building already on it and contacted them about making some modifications to fit my needs. The whole team is very accommodating and professional. They truly went above and beyond to make this project happen. The labor crews were impressively fast and efficient. Extremely happy with the final product and how smooth everything went. I will recommend Timberline to everyone.
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Cynthia Gibbs
June 16, 2026
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Timberline was amazing from the beginning to the end! Timberline was unmatched with their attention to detail and craftsmanship of our project. They were receptive to our ideas and adhered to their proposed timeline laid out in our agreement. Each team was professional, conscientious, and focused on their contribution to the final product. We are thrilled with the end result! Thank you Timberline!
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Anne Sobers
June 14, 2026
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I couldn't be happier with choosing Timberline to help rebuild my veterinary clinic! Everyone was lovely to work with. The team that was sent was honest and hard working. They came as promised, even on freezing January days. They were patient and accommodating when working with my family, as well as with the other contractors. The work and building are quality. The building is beautiful! The price was very fair as well. Thank you Dave, Elmer, Jacob and the rest of the work crew, as well as the ladies and men at the office. I'm happy to recommend Timberline Buildings.
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Thomas Spall
June 2, 2026
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These guys were great to work with, from coordination to completion. All the details were handled up front and executed according to plan. 7 workdays from start to completion of the main building, nice job. I highly recommend working with this team.
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Jeanette DeWitt
May 28, 2026
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Excellent job. Delivered what was agreed to. Quality of the build was excellent.
Timberline Buildings
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