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Top-Rated Barndominium builders in Washington - Updated Nov 2026

Avatar for G.A. Doughty Construction
G.A. Doughty Construction
3.4(
17
)
Find a Custom Home BuilderGarage - BuildShed, Barn or Playhouse - Build+1 more

Serving Washington, ME and surrounding areas

Approved

In business since 2003

Free estimates

Credit card accepted

"We had a great experience working with G.A. Doughty Construction. From the start, their team was communicative, responsive, and collaborative—making sure we were involved and informed at every step. They helped us navigate and recover from a difficult prior experience, stepping in with professionalism and integrity to get the work done right. Their commitment to quality and transparency gave us real peace of mind, and we’re grateful for their expertise and support throughout the project."
Custom Kitchen
Response time1 day
41 neighbors recently requested a quote
Recommended by57%of homeowners
Avatar for Broad Arrow Builders
Broad Arrow Builders
3.5(
3
)
Find a Custom Home BuilderGarage - Build

Serving Washington, ME and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"It took a long time to do but that was the weather. Quality work, pleasant owner and all the workers. Responsive to any questions and changes. We are very pleased with our new dormer. Weâ  ve made it through this winter with out any problems."
Response time5 days
5 neighbors recently requested a quote
Recommended by100%of homeowners
Broad Cove Builders
New to Angi
Garage - Build

Serving Washington, ME and surrounding areas

Approved

In business since 1989

Free estimates

Credit card accepted

If you are looking for the most reliable, trustworthy, and reputable general contractor servicing the greater Knox and surrounding counties, you have found the right guy. I can do anything from a major home addition, to any exterior finished carpentry, to a brand new home build from the ground up. I have been in business over 35 years and clearly take pride in what I do, therefore I do it well. Call today for a free estimate!

Response time2 days
Avatar for Mountain Peak Contracting LLC
Mountain Peak Contracting LLC
New to Angi
Shed, Barn or Playhouse - Repair

Serving Washington, ME and surrounding areas

Approved

Free estimates

Small jobs welcome

What do we offer?\nFull home renovations \nKitchen and bath remodels \nInterior/ Exterior finish work \nSiding \nDoor and windows\nDecks \nAdditions\nNew construction \nAnd more!\nContact us today for a free estimate- [email protected]

3 neighbors recently requested a quote
Kay Construction & Painting
New to Angi
Garage - Build

Serving Washington, ME and surrounding areas

Approved

In business since 2004

Free estimates

Kay Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

Response time3 days
Coffe First Carpentry
New to Angi
Shed, Barn or Playhouse - Repair

Serving Washington, ME and surrounding areas

Approved

Hello,\n\nMy name is Adam. \n\nI just started my own LLC doing carpentry. I’ve done carpentry throughout my life, and professionally for three years. I have also worked as a fireman, and rock climbing guide, a painter, and a cobbler. I enjoy using really big saws (of all kinds, chainsaws included) and working with big pieces of timber. I love making my work clean and precise. I also enjoy making big oil paintings and stretching my own canvases. Angi asked me to write a little about myself. How’s that?

JD Howell and Co
New to Angi
Find a Custom Home Builder

Serving Washington, ME and surrounding areas

Approved

In business since 2007

Free estimates

JD Howell and Co is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business

Response time1 day
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Barndominium Builders FAQs, answered by experts

The most common slope, or roof pitch, for a shed is 4:12 or four inches of height for every horizontal foot. For areas that experience heavy snow loads, a steeper roof of 6:12 or 9:12 is best. 

It is recommended that you check with your local building official on barn building requirements and rules, since size restrictions vary greatly from region to region based on what your property is zoned for. Some cities limit barn construction depending on if your property is residential or commercial. The three main factors your building commission will evaluate are:

  • Height and lot coverage: How tall your barn is and how much of your total property it occupies

  • Setback: Distance between barn and property line

  • Easement: Legal right for another owner to access another’s property

Yes, barn doors can be too heavy, although the limitation is usually imposed by the mounting hardware you buy and not your home’s framing, unless you’re building an unusually wide door. To keep the weight down, you can opt for 1-by material rather than 2-by material, and choose a softwood like pine rather than a hardwood like maple or oak. Check the weight limits on your mounting hardware, and always attach your door track to studs rather than to drywall anchors.

Pole barns and carports are similar in that they rely on posts for support and are often not connected to a primary structure. The main difference between the two is that pole barns usually include walls that surround the entire perimeter of the structure, while carports generally remain open on three or four sides. It’s possible to insulate garage doors and even exterior walls on pole barns to create a comfortable workspace, and it’s a bit more secure for storage purposes. However, carports are more affordable.

Barns and barndominiums are most commonly painted red, like barns depicted in movies and paintings. The practice of painting barns red dates back to America’s colonial days, when new farmers would borrow the European practice of mixing linseed oil with ferrous oxide to coat the barns in order to protect them from the elements, leaving the structures with a red color.

The Washington, ME homeowners’ guide to barndominium building

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