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Top-Rated Barndominium builders in Illiopolis - Updated Nov 2026

Marvon Construction, LLC
4.9(
44
)
Garage - Build

Serving Illiopolis, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Credit card accepted

"Reuben and his crew were wonderful. We had them install the metal siding, shingle roofing and metal roofing on our home (which is new construction). They were prompt, friendly, professional, and provided excellent quality work. We will be using them again this summer to do work on our dock at Lake Mattoon. A big THANK YOU to everyone at Marvon Construction!"
Response time10 hrs
Recommended by70%of homeowners
Avatar for Coach House Garages
Coach House Garages
4.7(
113
)
Garage - Build

Serving Illiopolis, IL and surrounding areas

Approved

In business since 1973

Free estimates

Warranties offered

"They did an excellent job. They were expensive, but you get what you pay for. The building inspector of the city said this was the best built garage he had ever inspected. I would highly recommend them and I would definitely hire them again."
Job #S0202
Job #S0058
Job #T0038
Job #S0094
Job #V0218

+24

Response time2 days
Response rate100%
2 neighbors recently requested a quote
Affordable Home Repair
5.0(
4
)
Shed, Barn or Playhouse - Repair

Serving Illiopolis, IL and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"John and his helper Nathan did an excellent job!! They arrived when they said they were going to an hung a 65 inch tv and a 50 inch tv with no problem at all! The job was done in a timely manor. Both were very professional and friendly! The price was reasonable too!! I would highly recommend and trust the work of Affordable Home Repair for any job! Just an fyi…I told him I would take care of cord hanging down."
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Response time2 days
Response rate100%
1 neighbors recently requested a quote
Master Carports, LLC
New to Angi
Garage - Build

Serving Illiopolis, IL and surrounding areas

Approved

In business since 2022

Free estimates

Offers commercial services

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.

11 neighbors recently requested a quote
Avatar for Bath Planet of Springfield
Bath Planet of Springfield
4.8(
18
)
Shed, Barn or Playhouse - Repair

Serving Illiopolis, IL and surrounding areas

In business since 1999

Free estimates

Credit card accepted

"HIGH QUALITY job. The estimate was the highest one I received, but the materials were far superior to all others. These look great, SOLID INSTALLATION.  Took away existing gutter that was installed.  Professional from the estimate to the install.  Showed me that he had worker's comp insurance on his workers as well as being licensed and bonded.  Home owner's insurance does not cover hired workers on home improvement projects.  Very important."
Tub to Shower Conversions
Shower Remodeling
Bathtub Remodeling
Bathtub Remodeling
Tub to Shower Conversions

+25

Recommended by92%of homeowners
Avatar for Hometown Handyman
Hometown Handyman
4.8(
10
)
Shed, Barn or Playhouse - Repair

Serving Illiopolis, IL and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"Mike was truly a breath of fresh air. He did some cleanup and deck repair at my home was very reliable and clean. His workmanship truly shined through I would highly recommend his services to anybody in need!"
Landscaping Project
Landscaping Project
Landscaping Project
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+3

Response time2 days
Response rate100%
Recommended by90%of homeowners
Avatar for SAL Construction Services
SAL Construction Services
4.2(
17
)
Find a Custom Home BuilderGarage - BuildShed, Barn or Playhouse - Build

Serving Illiopolis, IL and surrounding areas

In business since 1999

Free estimates

Emergency services offered

"We hired SAL to install new ceramic tile floors in our hall bath, master bath, & master hallway. They also put in new 3/4 cherry hardwood floors in my master bedroom. The craftsmanship was immaculate. He shows up on time, worked on my job everyday till it was done, cleaned up at the end of the day, & most importantly was very respectful to me & my family. I am so pleased with the work that I would recommend SAL to everyone!!!! Great work, great price, great guy!!!
"
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+8

Recommended by80%of homeowners
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Barndominium Builders FAQs, answered by experts

The pro you need to hire to build your shed depends on the shed you purchase. A local handyman or general contractor can help build a prefab shed for you. However, if you’re looking for a custom shed, contacting a shed builder near you is the best option. Make sure you get quotes from 3 pros to decide on the best pro for your job. 

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 time it takes to build a shed heavily depends on the type of shed you buy. A prefab shed can be built in 4 to 8 hours, while a custom shed will be built off-site over the span of 2 to 5 days. It then takes a few hours, depending on the location, to move the finished shed to its final location.

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. 

Skid foundations, deck block foundations, and concrete block foundations are the most affordable shed foundation options. Of these, we recommend deck blocks. Deck blocks are easy to install and level, and they raise your shed up off the ground to prevent rotting from exposure to water and moisture. Keep in mind that deck blocks won’t resist soil movement or frost heave, so they’re not ideal in areas with expansive soil or a deep frost line.

The Illiopolis, IL homeowners’ guide to barndominium building

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