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  • Average homeowner rating star icon3.6
    Average homeowner rating
  • Verified reviews icon16
    Verified barndominium building reviews

Top-Rated Barndominium builders in Winthrop - Updated Nov 2026

Avatar for GrayBridge
GrayBridge
5.0(
20
)
Shed, Barn or Playhouse - RepairShed, Barn or Playhouse - Build

Serving Winthrop, ME and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"Very pleased with this contractor. He gave me a fair estimate and stuck to it. He was also professional and showed up when he said he would. The job he did was more than satisfactory and I have no complaints."
Working on Deck
Finished Deck
Old Door
Progress Pic
Trim

+128

Response time1 day
Response rate100%
35 neighbors recently requested a quote
Avatar for A.G. Construction, LLC
A.G. Construction, LLC
4.8(
6
)
Find a Custom Home BuilderGarage - Build

Serving Winthrop, ME and surrounding areas

Approved

In business since 2010

Free estimates

Offers commercial services

"We had a pretty big project, removing an old camp roof and building a new roof rotated 90 degrees, and adding a loft area. We were very happy with Andrew and his crew. They really go the extra mile to make sure everything is done right - they don't cut corners and take pride in their work. They installed new windows in the front and even used Windex to wipe off their finger smudges! Price was very good, and they're good, honest guys to work with. Very pleased!"
Jefferson Deck Rebuild
Jefferson Deck Rebuild
Jefferson Deck Rebuild
Camp on post
Camp on post

+27

Response time2 days
Recommended by100%of homeowners
Avatar for DP Painting
DP Painting
5.0(
4
)
Shed, Barn or Playhouse - Repair

Serving Winthrop, ME and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Small jobs welcome

"Did a great job. Built mailbox stand with an excellent custom flair. Built for strength. Texted and came right away. The message transition to know who was talking to me was confusing at first. DP was also not sure who it was initially."
Interior
Interior
Entryway
Entry
Jobs

+12

Response time6 hrs
Response rate87%
3 neighbors recently requested a quote
Barker Built Homes
5.0(
1
)
Find a Custom Home Builder

Serving Winthrop, ME and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job. \n

Recommended by100%of homeowners
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Barndominium Builders FAQs, answered by experts

The best lumber for building will be the strongest and most eco-friendly wood your budget allows. That being said, Douglas fir, pine, oak, and maple are all common building materials. Contractors will use a strong, inexpensive wood to frame a house or other structure and finer woods like mahogany for detail work. 

Your chicken coop needs to be off the ground to protect your chickens and avoid problems brought on by flooding, mud, and moisture. If you can't locate a high area to build the coop, you should build an elevated coop to ensure it stays dry. 

While it’s best to have access to large, healthy, strong trees in a safe position, treehouse living is still possible without them. Contractors can fit tree posts to build the structure onto or use posts as additional support alongside the trees themselves. If you’re in doubt about the suitability of the trees on your land, consult with a local treehouse builder before you start the project.

While prices fluctuate because of increased demand, fewer supplies, and engineering time, OSB generally remains more affordable than plywood at $1 to $2.40 per square foot compared to the $4.50 to $10 for plywood. Cost is only one factor you should consider when deciding between OSB and plywood.

Choose a barn door with an extra two to three inches on either side of the frame. The width of the barn door will depend on the type and placement of your track, but in most cases, an additional inch or two will do the trick.

The Winthrop, ME homeowners’ guide to barndominium building

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