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Top-Rated Addition to existing structure builders in Dayton - Updated Nov 2026

Mostaed Home Improvement
5.0(
22
)
Addition to Existing Structure - Build

Serving Dayton, OH and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

"Since March 2026, Mostaed Construction has tackled six projects at my home: two bathroom tile projects, a large deck replacement, small deck replacement, back siding/front door painting project and front porch column replacements. Mostaed subs included drywall professionals, painters, concrete professionals, and truly superior craftsmen who dealt with installing tile, heated flooring, deck construction and siding replacement. I also have them scheduled for four future projects (kitchen replacement, basement bathroom floor replacement, house painting, and tree removal services. I highly recommend this team of professionals….SIX STARS!"
1 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Tri State Complete Home Repair and Maintenance
Tri State Complete Home Repair and Maintenance
4.5(
77
)
Addition to Existing Structure - Build

Serving Dayton, OH and surrounding areas

Approved

Super Service Award Winner

In business since 1996

Free estimates

Emergency services offered

"From my very first phone call, Tim was extremely helpful and eager to assist, clearly explaining the process and answering all of my questions. Jim visited first to assess the project, and I explained that the work would involve remodeling an existing built‑in furniture unit and transforming it into a functional home office. He fully understood the scope and offered practical input based on his experience. Jim completed the work on time and to a very high standard, with excellent attention to detail and overall quality. The transformation from the original built‑in to the finished home office exceeded my expectations, both in terms of craftsmanship and functionality. It was a pleasure working with Tristate from start to finish, and I would not hesitate to highly recommend them."
Remodeling - General Project
Before ☹️
Remodeling - General Project
After! !
Additional Photos

+5

4 neighbors recently requested a quote
Recommended by51%of homeowners
Avatar for Friedman Home Improvement & Masonry
Friedman Home Improvement & Masonry
4.3(
48
)
Addition to Existing Structure - Build

Serving Dayton, OH and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Our family trusts Friedman Home Improvement and Masonry. Mr. Jason Friedman is always on top of things, from answering questions on the scope of work to inspection of the work done to our home. I would recommend this company for its honesty and dependability."
Remodeling - General Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+27

Response time11 hrs
28 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for JK Custom Builders LLC
JK Custom Builders LLC
4.6(
13
)
Addition to Existing Structure - Build

Serving Dayton, OH and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"We could not have asked for a better experience. Jon and his crew were exceptional. Excellent communication throughout. The completed porch exceeds our expectations. We would not hesitate to work with this company again."
Rub
vanity
glass and finishes
Cabinets
new driveway

+158

Response time3 days
21 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Remillards Skilled Builders
Remillards Skilled Builders
4.8(
21
)
Addition to Existing Structure - Build

Serving Dayton, OH and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Very very pleased with this project! Him and his team did an excellent job w/ the flooring install, and the communication was strong throughout. The owner even suggested an additional tweak to the project( (that I hadn't even thought of) that ended up being a great idea. The final flooring was professional and high quality. I've received a lot of compliments from family who have seen it. It's great little before & after story. I would definitely work with this company again!"
Gibbons Deck
Dodge Deck
Gibbons Deck
Dodge Deck
Gibbons Deck

+28

2 neighbors recently requested a quote
Recommended by60%of homeowners
Avatar for Lanreno LLC
Lanreno LLC
4.9(
11
)
Addition to Existing Structure - Build

Serving Dayton, OH and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"We hired Lanreno to install a back patio door and let me say, we couldn?t be happier! They did an amazing job. The installation was perfect along with cleanup and time the job took to complete. We will definitely use Lanreno for future projects! Thanks again!!"
Response time1 day
Response rate100%
3 neighbors recently requested a quote
Avatar for JG Construction Service
JG Construction Service
5.0(
4
)
Addition to Existing Structure - Build

Serving Dayton, OH and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

JG Construction Service is a reliable remodeling company dedicated to quality craftsmanship and customer satisfaction. We specialize in residential renovations, repairs, and custom improvements, delivering durable results with attention to detail. From small upgrades to full remodels, we take pride in completing every project on time, on budget, and built to last.

Avatar for Nextek Construction Service
Nextek Construction Service
4.0(
5
)
Addition to Existing Structure - Build

Serving Dayton, OH and surrounding areas

Approved

Free estimates

Emergency services offered

Credit card accepted

"We recently went through a complete remodel of our kitchen and bathroom. Both results were outstanding. The crew was always on time and respectful of my property. Both spaces look stunning and have added so much more comfort to our home. We are so happy we worked with them!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+52

28 neighbors recently requested a quote
Recommended by50%of homeowners
Whited and Sons General Contractor, LLC
3.5(
12
)
Addition to Existing Structure - Build

Serving Dayton, OH and surrounding areas

Approved

In business since 1981

Free estimates

Warranties offered

"Ted Whited and his crew did an excellent job on my complete kitchen remodel. He showed up as scheduled and he and his crew were very professional. When I had a problem with the cabinet manufacturer he was here for each meeting and really went to bat for me until they made it right. I highly recommend his company and I will hire him for future projects in my home. Cindy Valle"
Recommended by85%of homeowners
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FAQs for addition to existing structure building service projects in Dayton, OH

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 Dayton, OH 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.