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Top-Rated Barndominium builders in Oshkosh - Updated Nov 2026

Avatar for Bartel Brothers Construction, LLC
Bartel Brothers Construction, LLC
5.0(
6
)
Garage - Build

Serving Oshkosh, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Offers commercial services

"Outstanding customer service. Owners of business did the work. Quality job, cleaned up afterwards, followed up a few weeks after completion of job to be sure we were happy with job done. Would absolutely hire again. Most importantly they completed the project when they said they would, quality workmanship, all for the price they quoted us,"
Bartel Brothers Construction, LLC
Bartel Brothers Construction, LLC
Bartel Brothers Construction, LLC
Bartel Brothers Construction, LLC
Bartel Brothers Construction, LLC

+2

Response time1 day
Response rate98%
1 neighbors recently requested a quote
Avatar for Sullivan Exteriors
Sullivan Exteriors
4.7(
44
)
Shed, Barn or Playhouse - Repair

Serving Oshkosh, WI and surrounding areas

In business since 2008

Free estimates

"Mr. Sullivan brought an assistant and they cleaned our Appleton 2-story Victorian home's gutters and repaired a spot damaged by an ice dam in last year's severe winter. They were pleasant and professional. I would recommend them for this work and will be calling them soon for another gutter cleaning.
"
Recommended by95%of homeowners
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Barndominium Builders FAQs, answered by experts

Adding an extension or addition to your home costs more than a loft conversion in all but the rarest cases where the home's structural integrity is lacking. Because a home addition requires a new foundation section or significant structural upgrades to handle a cantilevered portion, the cost compared to almost any loft conversion is significantly greater for the same square footage.

You can use a variety of wood to build a barn door, but the most common options include 1-by boards and 2-by boards for the backing and the decorative boards on the front of the door. Softwoods like pine will save you some money and should hold up well, while hardwoods like maple and oak will stand up to more wear and tear. You could also build the backer out of plywood to minimize the cuts you need to make. Whatever you decide on, make sure the width of the wood is compatible with the mounting brackets you buy.

Building a treehouse can vary in difficulty depending on factors such as design complexity, size, and the builder’s woodworking experience. Basic treehouses with simple designs can be manageable for DIYers with some carpentry skills, while more elaborate structures may pose challenges. Adequate planning, research, and careful execution can make the process more manageable, and resources like premade plans or professional assistance are always available for additional support.

It can, especially with the rising popularity of treehouses that go beyond the ones designed for kids. Adults can now use them as office spaces, yoga studios, or quiet treetop retreats. That said, a treehouse can appeal to families with children or adults who might want to convert it into a space of their own. Depending on the buyer, they may be willing to pay extra for the unique feature.

Rather than using a common two-by-four piece of wood for a rafter, you probably will use two-by-six, two-by-eight, two-by-ten, or even two-by-twelve boards. Wider lumber is typically a better choice in a larger building as it provides more sturdiness. Some installers may use wider lumber for rafters near the edges of the roof, where the greatest stress occurs, and save money with narrower lumber toward the middle.

The Oshkosh, WI homeowners’ guide to barndominium building

From average costs to expert advice, get all the answers you need to get your job done.