4.1 
21 *The Angi rating for Barndominium Building companies in Keystone, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Barndominium Building needs.
*The HomeAdvisor rating for Barndominium Building companies in Keystone, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Barndominium Building needs.
Last update on October 22, 2026
Serving Keystone, SD and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Rasmus installed the exterior and interior doors of our home. He did an excellent job. He is very efficient and professional. I would like to hire him to complete more work for our home."
Serving Keystone, SD and surrounding areas
Approved
In business since 2025
Free estimates
General: We are a locally owned and operated business committed to providing exceptional service, quality workmanship, and honest communication on every project we undertake. Our experienced team takes pride in delivering customized solutions tailored specifically to meet each client's unique needs. We value integrity and reliability, ensuring every job is completed to your satisfaction. Our goal is to build lasting relationships with our customers through consistency, professionalism, and outstanding results. Let us show you why homeowners continually choose us as their trusted service provider. \n
+13
Serving Keystone, SD and surrounding areas
Approved
In business since 2025
Free estimates
Warranties offered
Capitol Builders 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. Turning Your Vison Into Reality!
Serving Keystone, SD and surrounding areas
In business since 2024
Emergency services offered
Warranties offered
"Ponderosa Builders did a great job building my garage. I couldn't be more satisfied with the results."
Serving Keystone, SD and surrounding areas
In business since 2020
Free estimates
"Above all, Michael made us feel like a priority and was very responsive and communicative. Michael knows his business well and offers great paint options and applications to different areas of a home (interior, exterior, cabinetry). His pricing is great!"
+63
Serving Keystone, SD and surrounding areas
In business since 2012
Free estimates
Credit card accepted
"Perfect great company. Highly recommend they were responsive and knowledgeable."
+17
Serving Keystone, SD and surrounding areas
In business since 2019
Credit card accepted
"Stays in touch with you and calls back in timely fashion, which is VERY refreshing since I've had bad dealings with alot of contractors in ND.Excellent craftsmanship and value. Will hire him again."
Serving Keystone, SD and surrounding areas
In business since 2025
Free estimates
Offers commercial services
"They did great work. Very efficient. High quality!"
Serving Keystone, SD and surrounding areas
In business since 2022
Free estimates
Emergency services offered
"Awesome! Very nice man! Did a fantastic job and cleaned up like he was never there. I will definitely be hiring him again."
Serving Keystone, SD and surrounding areas
In business since 2000
"I am happy with my new fence."
From average costs to expert advice, get all the answers you need to get your job done.
If home is where the barn is, a barndominium may be the dream house you’ve been looking for. Here are all the details you need to know about barndominium costs.
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