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Find Addition to existing structure builders in O Fallon

Avatar for VMK Remodeling
VMK Remodeling
4.3(
18
)

Serving O Fallon, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"I could not be happier with the final product! The first pic is the old bathroom from the 60s when the house was built. The rest are the final rebuild and it looks great. I would highly recommend VMK Remodeling for any project that you might have. I am also going to get a bid on redoing the deck on the back of the house as Vince's company does decks as well! Thanks to his great crew as well, great people to work with."
Response time2 days
Response rate90%
80 neighbors recently requested a quote
AP-Construction
4.5(
2
)

Serving O Fallon, IL and surrounding areas

Approved

In business since 2010

Free estimates

Small jobs welcome

"They were a group of people that always made you smile, and while listening to them when I was working in my office you could hear them laughing they enjoy what they re doing. I will have them back to do more. They re a great group of people they have come into your home because your house the way you want it"
Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for RDB CONSTRUCTION LLC
RDB CONSTRUCTION LLC
New to Angi

Serving O Fallon, IL and surrounding areas

Approved

Free estimates

Small jobs welcome

As 30+ years experience carpenters, we are always prepared to take on your projects with precision and care. We pride ourselves on being courteous and polite, ensuring a positive experience from start to finish. Our approach involves actively listening to your needs and preferences to deliver tailored solutions. ???? We understand the importance of clear communication and collaboration to bring your vision to life. From the initial consultation to the final touches, We are dedicated to providing exceptional craftsmanship. ? We are ready to start, so contact me today. \n

Response time10 hrs
Response rate100%
TNT Turnover Services
New to Angi

Serving O Fallon, IL and surrounding areas

Approved

TNT Turnover Services isn’t just remodeling spaces—we’re transforming them.\n\nWe take outdated, worn, or underperforming areas and turn them into clean, modern, high-impact spaces built to impress and made to last. From kitchens and bathrooms to full property turnovers, our work is driven by precision, quality craftsmanship, and attention to every detail.\n\nAt TNT Turnover Services, we don’t believe in shortcuts—we believe in results. We bring reliability, speed, and professionalism to every project, delivering a smooth, hassle-free experience from start to finish. On time. On budget. Done right.\n\nWhether you’re upgrading your home or preparing a property for its next chapter, we’re here to raise the standard and exceed expectations.

1 neighbors recently requested a quote
Avatar for General Construction Services
General Construction Services
4.7(
41
)

Serving O Fallon, IL and surrounding areas

In business since 1972

Free estimates

Credit card accepted

"GCS did an excellent job executing a pretty complicated project. I would definitely recommend them to a friend. The bid that Dennis provided was very detailed and thorough. He came by several times to take measurements and ask questions about our intentions and goals for the project. He also had his electrical and HVAC subcontractors contact us to gather information about the project. It took about two weeks for the bid to be completed, which caused us to get a little impatient, but the final result was far more complete and thorough than any of the other bids we received. The cost was also very competitive. Work started soon after we signed the contract. Dennis did a very good job of coordinating the the tasks, including bringing the various subcontractors to the site in a timely manner, and within about 6 weeks we had the foundations poured and the basic framing done on the 8'x10' kitchen addition and the 16'x20' 1st floor bedroom/basement addition. Dennis' team were receptive to the changes to the plan (there will always be changes to the plan) that we asked for. The changes were documented, invoiced and priced reasonably. There was a lot of inside work to perform, so that took another 3 months or so. Insulation, drywalling, drywall finishing, carpet removal and installation, removal of the old kitchen cabinets and appliances, etc. Again, Dennis did a good job of scheduling the various specialists to come in and do their thing. Dennis was very responsive to any issues or concerns that came up through text messaging or by phone. Problems: Main issue was that the pace of work in the middle of the project was slower than we would have liked. This was mostly an issue with one individual worker. Overall: We are very happy with the results of the project and would recommend GCS highly. Attached picture is of the kitchen interior just prior to completion. It is exactly what we had envisioned."
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+6

Recommended by92%of homeowners
Avatar for Dunn Home Improvements LLC
Dunn Home Improvements LLC
4.4(
79
)

Serving O Fallon, IL and surrounding areas

In business since 2012

Free estimates

Credit card accepted

"Excellent! Dunn Home Improvement remodeled my dated kitchen and removed a wall. It was a project with many changes due to delays and discontinued products I selected. They were very patient and responsive with me when I was reworking my over all design. Their workmanship is exceptional and they are great a keeping the job area clean. Plus, they are prompt and responsive! Experts in all things construction!"
Bathroom tile work
Kitchen
Bathroom Remodel/Tile
Bathroom Remodel
Shower Tile

+9

Recommended by87%of homeowners
Avatar for Zykan Exteriors STL
Zykan Exteriors STL
4.7(
188
)

Serving O Fallon, IL and surrounding areas

In business since 1949

Free estimates

Emergency services offered

"We had some recent storm damage that was minor (all things considered) and had called a few other local companies. Everyone wanted to quote us for an entire new side of siding - until Zykan Exteriors! They not only said they could do it, but were prompt in responding to the request and sent a team out within 48 hours. The team was friendly and it did not take them long to get the job done. It may have been just a small fix, but being taken seriously and not simply downplayed is a definite win in the book. Would highly recommend them for any size job in the St. Louis area - you won’t regret it!"
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+27

Recommended by94%of homeowners
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FAQs for addition to existing structure building service projects in O Fallon, IL

You can typically raise your roof by four to eight feet, depending on your home's structure and roof design. The exact amount depends on factors like roof slope and framing support. Raising the roof creates additional interior space, enhances natural light, and increases your home's value. Consult a professional to determine the feasible height increase for your home.

Yes, you need a building permit to raise your roof. Obtaining a building permit ensures your project complies with local building codes and safety regulations. A professional contractor can assist with the permit and inspection process and ensure all legal and safety requirements are met. Your contractor will be familiar with building codes in your area, which can differ between cities or states.

While it's possible to raise a flat roof, it requires extensive structural modifications. Flat roofs lack the attic space and support structures of pitched roofs, so raising them involves significant engineering to ensure safety and durability. This process can be complex and costly, so professional assessment is essential before undertaking a project of this magnitude.

The O Fallon, IL homeowners’ guide to addition to existing structure building services

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