Back Forty Building Co.
Back Forty Building Co. is an architecture firm based in Florence, MT, specializing in architectural design with a strong focus on barndominiums. Their website explicitly markets to barndo buyers, featuring a dedicated barndominium page with 29 mentions across six pages, reflecting high barndo confidence. Customers frequently praise their clear communication, flexibility with design changes, and reliable scheduling in 54 reviews averaging 4.9 stars. Buyers should confirm the scope of services and local engineering requirements as Back Forty provides design plans but is not an engineering firm.
Dedicated barndo page
Site has a dedicated barndominium page with 29 mentions across 6 pages — explicitly markets to barndo buyers.
In Google reviews, customers highlight excellent communication and flexibility with changes across 54 reviews averaging 4.9 stars.
These tags come from customer review language. They are evidence to ask better questions, not a guarantee that the builder offers a specific service today. Where a matching review-signal page exists, the tag links to that shortlist.
Planning
Build scope
Buyer support
Review highlights
Short excerpts from public Google reviews. They are buyer language, not verified claims about current services.
“If you expect great communication or even to speak to anyone over the phone you should look elsewhere. The worst experiance of our build was dealing with Liv who was always too busy doing something else, when we waited…”
1/5Sep 2024Google review“Working with Heather and her team at Back40 Building Co was an absolute pleasure! They worked with me at every step of the process. When I was unsure of something, they provided options and explained things thoroughly.…”
5/5Feb 2025Google review“My husband and I used Back Forty to draw our plans for our first home. They made it a super simple and smooth process. Heather, our project manager and Shawna, the one who helped us get started had great communication…”
5/5Feb 2025Google review
Use the review signals to ask sharper questions.
- Do you work from a stock plan, a modified plan, or a fully custom layout?
- Who owns the final drawings, and can I use them for permitting or bids?
- How many revision rounds are included before pricing changes?
- How are changes priced and approved during the build?
- Which changes are easy before construction but expensive later?
Questions to answer before you call
- Does Back Forty Building Co. build barndominiums?
- Yes, based on their website, Back Forty Building Co. builds barndominiums as indicated by a dedicated barndominium page with 29 mentions and explicit marketing to barndo buyers. Their websiteSignal confirms a strong focus on barndos with multiple related mentions. Buyers should confirm project scope, recent work, and local service area before requesting a quote since they provide architectural plans but do not stamp them as engineers.
- Where is Back Forty Building Co. located?
- 419 Wolfville Ln #9, Florence, MT 59833.
- How do I get a quote from Back Forty Building Co.?
- Use the contact form on their website or visit backfortybuildings.com. Ask what they build themselves, what they subcontract, and whether they have recent barndo projects you can check.
- What should I ask on the first call?
- Ask for two recent local references, a finished project you can visit, their typical permit timeline in your county, whether they do shell-only or turnkey work, and which parts they subcontract. Good builders expect these questions.
Before you take the next step
This listing is not an endorsement. Ask for recent references, visit finished work if you can, and get another quote from a second builder before you sign.