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

Avatar for HAPPY HOME REMODELING, LLC
HAPPY HOME REMODELING, LLC
4.7(
30
)
Addition to Existing Structure - Build

Serving Brillion, WI and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"Craig and his team did a great job installing our new bamboo floors on the entire main level of our home. The flooring was of 4 different color patters and needed to be installed randomly as possible. End result was awesome. We will definitely be using them again for a bathroom remodel and gym room addition."
New countertops, new sink and faucet, painted existing cabinets, new hardware, new stove, and new fridge will arrive soon.
After Picture: New subway tile, grout, caulk, outlets, switches, and faceplates
Zillow proof of purchase, bought for $10,000 and sold for $105,000.
Madison Bathroom Remodel
Before and After of rec room. New everything.

+116

Response time4 days
Response rate100%
3 neighbors recently requested a quote
Avatar for Elite Building & Design
Elite Building & Design
3.7(
6
)
Addition to Existing Structure - Build

Serving Brillion, WI and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Elite Building and Design did a great job on our deck as well as an addition of a gym and spa in our basement area. The attention to detail, craftsmanship and integrity of their work is unmatched in the industry today! Old school work ethic and values, with modern solutions and innovation. Extremely talented, high end carpentry and building. Our home definitely stands out from the rest! Highly recommend!"
Remodeling - General Project
Remodeling - General Project
1 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Just Two Guys Remodeling LLC
Just Two Guys Remodeling LLC
5.0(
7
)
Addition to Existing Structure - Build

Serving Brillion, WI and surrounding areas

In business since 2016

Free estimates

Emergency services offered

"We were extremely pleased with the work done by Two Guys Remodeling. They were able to start the project within our time needs. The flooring they installed looks perfect and we are looking forward to many years with the beautiful job as it was done."
Oshkosh Basement remodel
Oshkosh Basement remodel
Oshkosh Basement remodel
Oshkosh Basement remodel
Oshkosh Basement remodel

+28

Avatar for Gary J. Basten Construction, Inc.
Gary J. Basten Construction, Inc.
4.5(
11
)
Addition to Existing Structure - Build

Serving Brillion, WI and surrounding areas

In business since 1996

Free estimates

Warranties offered

"I thought I needed foundation work after I had a company install two new sump pumps as a precautionary measure, during an extremely wet time in Green Bay. The guy installed them improperly and I had water seeping in the bottom of my foundation that same night (btw it took him over five hours to install causing me great concern). He said it was a foundation issue although I’ve always had a dry basement. After tearing out wet carpeting and the walls (I’m 67)... Basten came out. In literally five minutes, Matt said the sumps were installed too high and flooded the drain tiles. In minutes he had his crew here and they installed the correct size sumps!!! No extra charge for an emergency, nor did they try to up-sale me, which as an older, single woman, easily could have happened!!! What honesty and professionalism!!!! Only took Noah and Hayden 45 minutes to install and not a drop of water since. Thank you!! Highly recommend!!!!"
Recommended by90%of homeowners
Avatar for TECH FIVE Design & Build
TECH FIVE Design & Build
4.7(
15
)
Addition to Existing Structure - Build

Serving Brillion, WI and surrounding areas

In business since 2018

Free estimates

"From the initial meeting with Nick to the crew putting the finishing touches on the new deck the job was handled with the utmost of professionalism. Nick’s design ideas were perfect and the construction was was done with great attention to detail. The crew did a great job working around our existing landscaping. I highly recommend their company."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+48

Recommended by100%of homeowners
Avatar for JC Elevation Team LLC
JC Elevation Team LLC
5.0(
5
)
Addition to Existing Structure - Build

Serving Brillion, WI and surrounding areas

In business since 2021

Free estimates

Warranties offered

"My experience was truly amazing, they over passed my expectations. Nicely done job, I would highly recommend them if you need any type of remodeling. Also, they are bilingual, communication was very good and they were very quickly to finish too."
Painting - Exterior Project
Siding Project
Roofing Project
Painting - Exterior Project
Siding Project

+33

Response time4 days
Response rate100%
Recommended by100%of homeowners
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FAQs for addition to existing structure building service projects in Brillion, WI

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 Brillion, WI 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.