Prefab Cottages & Garages
built for your lifestyle

Blue Spruce Prefab Cottage Exterior

Welcome to KB Prefab

Your Path to Quick, High-Quality Builds

Quality craftsmanship and hard work have held true through our long history and continue today to be the hallmarks of our companies

Discover the future of building with KB Prefab, where time-honored craftsmanship meets modern efficiency. Since its inception in 2017, KB Prefab has revolutionized the construction and renovation of residential and commercial structures. As a vital part of the KB Group of Companies—including Kidd Bros Construction, KB Insulators, KB Basement Technologies, and KB Exteriors—this innovative firm extends a legacy of over 35 years in the industry.

At KB Prefab, your vision of a perfect space is just a step away from reality. Choose from an array of prefab garages and cottages that blend seamlessly with any landscape and enhance the charm of your property. Whether it is a cozy cottage or a spacious garage, each structure is designed to be assembled swiftly, ensuring you save valuable time and effort.

KB Prefab offers complete prefab garages and prefab cottages; our prefab buildings include the foundation and building construction at your location.

All KB Prefab garage kits are quoted complete with foundation, onsite installation, and include:

  • Energy-efficient windows
  • Insulated door(s)
  • Garage door(s)
  • Roofing (40 year shingles)
  • Soffit & Fascia

Imagine the convenience of having a garage kit that arrives ready to install. Each kit includes:

  • Energy-efficient windows that provide optimal insulation
  • Robust doors designed to enhance security and aesthetic appeal
  • Garage doors that merge functionality with style
  • Long-lasting roofing with 40-year shingles
  • Elegantly crafted soffit and fascia that complete the look of your building

You can embark on a DIY project or opt for professional installation by our skilled team. Either way, you benefit from a streamlined building process that drastically cuts traditional construction times. This approach not only saves time but also reduces the hassle associated with typical building projects.

Explore the possibilities with our prefabricated solutions that do more than house your belongings or provide a living space. They offer a quick, cost-effective, and flexible alternative to traditional construction. Ideal for various uses, from a home office or studio to a guest house or storage solution, our buildings adapt to your needs.

KB Prefab is about forging lasting relationships with each client. Transparency, integrity, and fairness are the cornerstones upon which every project is built. You are invited to explore how our prefabricated solutions can transform your property, enhancing its value and functionality in a fraction of the time required by conventional methods.

Transform Your Property Quickly and Effectively

Choosing KB Prefab means opting for speed, quality, and simplicity. Whether enhancing your property with a new garage, creating additional living space with a cottage, or adding a backyard garden suite for extra functionality, our prefab solutions offer a smarter, faster path to achieving your goals. Get started today and discover how easy it is to transform your property with KB Prefab’s expertly crafted building kits.

Prefab Cottages

Our Introductory Level

Premium line

Prefab Garages

Poplar – 16′ x 24′
Side Gable Roof Garage

  • KB GP, ECO-GP, or ECO+ Prefab Wall Panels
  • 1/2″ Spruce Plywood Roof Sheathing
  • 40-year Shingles and RhinoRoof® Ice & Water Shield
  • 5/12 Slope Prefab Roof Trusses
  • 1/2” “H” clips, and 2” x 6” Fascia Boards
  • 2″ x 10″ Headers over Doors & Windows, LVL Headers as needed
  • 36″ Door Entrance(s) – Northstar® Insulated 9-Light Door(s)
  • Northstar®48“ x 36” Vinyl Slider Windows
  • Clopay® Classic™ 9’ x 7’ Insulated Garage Door(s)
  • Tyvek® HomeWrap® as needed
  • 5.5” foam sill gasket, threaded rod anchors & epoxy Ardox nails & T50 3/8” staples
  • Add-ons available for Foundation, Exterior, and Electrical packages
Build Your Own

Poplar – 16′ x 24′
Gable Roof Garage

  • KB GP, ECO-GP, or ECO+ Prefab Wall Panels
  • 1/2″ Spruce Plywood Roof Sheathing
  • 40-year Shingles and RhinoRoof® Ice & Water Shield
  • 5/12 Slope Prefab Roof Trusses
  • 1/2” “H” clips, and 2” x 6” Fascia Boards
  • 2″ x 10″ Headers over Doors & Windows, LVL Headers as needed
  • 36″ Door Entrance(s) – Northstar® Insulated 9-Light Door(s)
  • Northstar®48“ x 36” Vinyl Slider Windows
  • Clopay® Classic™ 9’ x 7’ Insulated Garage Door(s)
  • Tyvek® HomeWrap® as needed
  • 5.5” foam sill gasket, threaded rod anchors & epoxy Ardox nails & T50 3/8” staples
  • Add-ons available for Foundation, Exterior, and Electrical packages
Build Your Own

Mulberry – 24′ x 24′
Side Gable Roof Garage

  • KB GP, ECO-GP, or ECO+ Prefab Wall Panels
  • 1/2″ Spruce Plywood Roof Sheathing
  • 40-year Shingles and RhinoRoof® Ice & Water Shield
  • 5/12 Slope Prefab Roof Trusses
  • 1/2” “H” clips, and 2” x 6” Fascia Boards
  • 2″ x 10″ Headers over Doors & Windows, LVL Headers as needed
  • 36″ Door Entrance(s) – Northstar® Insulated 9-Light Door(s)
  • Northstar®48“ x 36” Vinyl Slider Windows
  • Clopay® Classic™ 9’ x 7’ Insulated Garage Door(s)
  • Tyvek® HomeWrap® as needed
  • 5.5” foam sill gasket, threaded rod anchors & epoxy Ardox nails & T50 3/8” staples
  • Add-ons available for Foundation, Exterior, and Electrical packages
Build Your Own

Mulberry – 24′ x 24′
Gable Roof Garage

  • KB GP, ECO-GP, or ECO+ Prefab Wall Panels
  • 1/2″ Spruce Plywood Roof Sheathing
  • 40-year Shingles and RhinoRoof® Ice & Water Shield
  • 5/12 Slope Prefab Roof Trusses
  • 1/2” “H” clips, and 2” x 6” Fascia Boards
  • 2″ x 10″ Headers over Doors & Windows, LVL Headers as needed
  • 36″ Door Entrance(s) – Northstar® Insulated 9-Light Door(s)
  • Northstar®48“ x 36” Vinyl Slider Windows
  • Clopay® Classic™ 9’ x 7’ Insulated Garage Door(s)
  • Tyvek® HomeWrap® as needed
  • 5.5” foam sill gasket, threaded rod anchors & epoxy Ardox nails & T50 3/8” staples
  • Add-ons available for Foundation, Exterior, and Electrical packages
Build Your Own

Sycamore – 36′ x 26′
Gable Roof Garage

  • KB GP, ECO-GP, or ECO+ Prefab Wall Panels
  • 1/2″ Spruce Plywood Roof Sheathing
  • 40-year Shingles and RhinoRoof® Ice & Water Shield
  • 5/12 Slope Prefab Roof Trusses
  • 1/2” “H” clips, and 2” x 6” Fascia Boards
  • 2″ x 10″ Headers over Doors & Windows, LVL Headers as needed
  • 36″ Door Entrance(s) – Northstar® Insulated 9-Light Door(s)
  • Northstar®48“ x 36” Vinyl Slider Windows
  • Clopay® Classic™ 9’ x 7’ Insulated Garage Door(s)
  • Tyvek® HomeWrap® as needed
  • 5.5” foam sill gasket, threaded rod anchors & epoxy Ardox nails & T50 3/8” staples
  • Add-ons available for Foundation, Exterior, and Electrical packages
Build Your Own

Sycamore – 36′ x 26′
Side Gable Roof Garage

  • KB GP, ECO-GP, or ECO+ Prefab Wall Panels
  • 1/2″ Spruce Plywood Roof Sheathing
  • 40-year Shingles and RhinoRoof® Ice & Water Shield
  • 5/12 Slope Prefab Roof Trusses
  • 1/2” “H” clips, and 2” x 6” Fascia Boards
  • 2″ x 10″ Headers over Doors & Windows, LVL Headers as needed
  • 36″ Door Entrance(s) – Northstar® Insulated 9-Light Door(s)
  • Northstar®48“ x 36” Vinyl Slider Windows
  • Clopay® Classic™ 9’ x 7’ Insulated Garage Door(s)
  • Tyvek® HomeWrap® as needed
  • 5.5” foam sill gasket, threaded rod anchors & epoxy Ardox nails & T50 3/8” staples
  • Add-ons available for Foundation, Exterior, and Electrical packages
Build Your Own

Tamarac – 36′ x 26′
Side Gable Roof Garage with Timber Frame Overhang

  • KB GP, ECO-GP, or ECO+ Prefab Wall Panels
  • 1/2″ Spruce Plywood Roof Sheathing
  • 40-year Shingles and RhinoRoof® Ice & Water Shield
  • 5/12 Slope Prefab Roof Trusses
  • 1/2” “H” clips, and 2” x 6” Fascia Boards
  • 2″ x 10″ Headers over Doors & Windows, LVL Headers as needed
  • 36″ Door Entrance(s) – Northstar® Insulated 9-Light Door(s)
  • Northstar®48“ x 36” Vinyl Slider Windows
  • Clopay® Classic™ 9’ x 7’ Insulated Garage Door(s)
  • Tyvek® HomeWrap® as needed
  • 5.5” foam sill gasket, threaded rod anchors & epoxy Ardox nails & T50 3/8” staples
  • Add-ons available for Foundation, Exterior, and Electrical packages
Build Your Own

Maple – 28′ x 24′
Side Gable Roof Garage Kit

  • KB GP, ECO-GP, or ECO+ Prefab Wall Panels
  • 1/2″ Spruce Plywood Roof Sheathing
  • 40-year Shingles and RhinoRoof® Ice & Water Shield
  • 5/12 Slope Prefab Roof Trusses
  • 1/2” “H” clips, and 2” x 6” Fascia Boards
  • 2″ x 10″ Headers over Doors & Windows, LVL Headers as needed
  • 36″ Door Entrance(s) – Northstar® Insulated 9-Light Door(s)
  • Northstar®48“ x 36” Vinyl Slider Windows
  • Clopay® Classic™ 9’ x 7’ Insulated Garage Door(s)
  • Tyvek® HomeWrap® as needed
  • 5.5” foam sill gasket, threaded rod anchors & epoxy Ardox nails & T50 3/8” staples
  • Add-ons available for Foundation, Exterior, and Electrical packages
Build Your Own

Aspen – 30′ x 30′
Gable Roof Storage Loft Garage

  • KB GP, ECO-GP, or ECO+ Prefab Wall Panels
  • 1/2″ Spruce Plywood Roof Sheathing
  • 40-year Shingles and RhinoRoof® Ice & Water Shield
  • 8/12 Slope Prefab Roof Trusses
  • 1/2” “H” clips, and 2” x 6” Fascia Boards
  • 2″ x 10″ Headers over Doors & Windows, LVL Headers as needed
  • 36″ Door Entrance(s) – Northstar® Insulated 9-Light Door(s)
  • Northstar®48“ x 36” Vinyl Slider Windows
  • Clopay® Classic™ 9’ x 7’ Insulated Garage Door(s)
  • Tyvek® HomeWrap® as needed
  • 5.5” foam sill gasket, threaded rod anchors & epoxy Ardox nails & T50 3/8” staples
  • Add-ons available for Foundation, Exterior, and Electrical packages
Build Your Own

Chestnut – 36′ x 30′
Gable Roof Storage Loft Garage

  • KB GP, ECO-GP, or ECO+ Prefab Wall Panels
  • 1/2″ Spruce Plywood Roof Sheathing
  • 40-year Shingles and RhinoRoof® Ice & Water Shield
  • 8/12 Slope Prefab Roof Trusses
  • 1/2” “H” clips, and 2” x 6” Fascia Boards
  • 2″ x 10″ Headers over Doors & Windows, LVL Headers as needed
  • 36″ Door Entrance(s) – Northstar® Insulated 9-Light Door(s)
  • Northstar®48“ x 36” Vinyl Slider Windows
  • Clopay® Classic™ 9’ x 7’ Insulated Garage Door(s)
  • Tyvek® HomeWrap® as needed
  • 5.5” foam sill gasket, threaded rod anchors & epoxy Ardox nails & T50 3/8” staples
  • Add-ons available for Foundation, Exterior, and Electrical packages
Build Your Own