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

Avatar for CQS Construction, LLC
CQS Construction, LLC
4.9(
54
)
Addition to Existing Structure - Build

Serving Cedar Park, TX and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Ely and team did a great job on demolition of my old patio and deck and the building of a concrete stamped patio. Not everything went to plan but Ely worked to solve any problem that did arise. His team was professional, efficient, prompt, and kept the worksite clean. Ely over communicated to make sure we were happy. The project was on time and on budget. As someone who has previously worked with poor contractors on home projects, Ely and team were a pleasant surprise. I highly recommend Ely and CQS for any project!"
Project Photos
Project Photos
Project Photos
Project Photos
Project Photos

+179

Response time9 hrs
5 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Alter Construction
Alter Construction
5.0(
34
)
Addition to Existing Structure - Build

Serving Cedar Park, TX and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Warranties offered

"My husband already left a review for our project, but I wanted to add some additional praise. Alter Construction did an absolutely wonderful job replacing our floors and I highly recommend them! Communication: One of the first things you'll notice with Eli and his team is the tremendous amount of communication. He'll talk you through everything, provide recommendations as necessary, and answer any questions. On top of that, Eli sent us multiple updates every day that we were out of the house to keep us aware of what was happening. Pictures, video, text explanations, and he was always available for a call. It really put my mind at ease that the house was well taken care of in our absence. He ran the outside taps when it froze, kept the house at the temperature we requested, and cleaned up everything after. He also made us aware of little things like how the paint color we picked for baseboards didn't match the existing trim. With everything he did, made sure that we would be happy with the finished product. Quality: The workmanship is outstanding. The tile is cut and laid beautifully, with no hollow sounds when walking. My father used to lay tile back in his day, so trust me when I say it was well inspected after! Our walls have rounded corners, so it was very nice of Alter Construction to cut and round the baseboards instead of leaving them sharp. It looks very clean now. Attention to Detail: What really makes the work stand out is the team's attention to detail. They replaced a section of baseboards that wasn't in the work area to make them match because they were visible from the living room. They were kind enough to reinstall our baby gates at a higher position because the new baseboards were taller than the old ones. They even patched a hole in the carpet of one of our bedrooms with the scraps they pulled up from the living room. This wasn't something that we had asked them to do, they just took the initiative to really make everything nice for us when we came home. Summary: If you're looking for someone to do work on your house, you can't go wrong with Alter Construction. They'll take care of you like family and I promise you won't be disappointed."
Hamant Home Remodeling
Office space renovated
Hamant Home Remodeling
Hamant Home Remodeling
Hamant Home Remodeling

+7

4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for W&J All Purpose Construction
W&J All Purpose Construction
4.8(
25
)
Addition to Existing Structure - Build

Serving Cedar Park, TX and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Went great, came inside with a great attitude. Had all the necessary tools and even had a vacuum when the granite needed to be cut to prevent a mess. He cleaned as he kept working in between. The sink looks beautiful and he double checked for leaks and paid attention to detail. I highly recommend him any home jobs and I am definitely giving him another call with another project."
Fence & gate repair tree damage
Fascia trim
Remodeling - Kitchen & Bathroom Project
Remodeling - General Project
Remodeling - Kitchen & Bathroom Project

+320

Response time2 days
Response rate100%
2 neighbors recently requested a quote
Avatar for Ace Remodeling TX
Ace Remodeling TX
4.8(
149
)
Addition to Existing Structure - Build

Serving Cedar Park, TX and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"Rose from Ace Remodeling TX led our house addition project with exceptional skill. Her ability to optimize architectural drawings for our unique space was impressive. Roses proactive communication kept us well-informed, and her teams efficiency ensured minimal disruptions. The finished addition seamlessly blends with our existing home, a true reflection of Roses design expertise and Ace Remodeling TXs commitment to excellence. Trust Rose and Ace Remodeling TX for a smooth and successful house addition project."
Kitchen Remodel Cedar Park
Austin Bathroom Remodel
Bathroom Expansion
Remodel to Open Concept Kitchen
Kitchen Remodel

+385

Response time10 hrs
Response rate95%
45 neighbors recently requested a quote
Avatar for AGC Home Remodeling
AGC Home Remodeling
5.0(
55
)
Addition to Existing Structure - Build

Serving Cedar Park, TX and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Warranties offered

"We hired AGC to add a closet and primary bathroom to our 1960s house, as well as completing some minor cosmetic renovations to the existing spaces. Their pricing was very fair, and communication was great from beginning to end! We never had to wait long for a response if we had a question or problem, and every AGC employee we dealt with was professional, courteous, and respectful. Our addition turned out beautifully, and we absolutely love our new and improved spaces. I'm so glad we chose them to handle the remodel of our forever home!"
Custom home gym remodeling in Austin, TX featuring vaulted wood-paneled ceilings with exposed beams, wide-plank oak flooring, floor-to-ceiling panoramic windows, and minimalist Scandinavian-inspired design with curated natural textures and clean modern finishes.
Long curved driveway leading to a remodeled garage with ranch-style limestone exterior in Austin, TX
Luxury transitional-style white kitchen remodel featuring a spacious galley layout, marble countertops, gold hardware, a pot filler over a gas range, glass pendant lighting, and warm hardwood flooring, seamlessly connected to a cozy breakfast nook with a built-in bench.
Newly constructed Lakeway deck with open-air kitchen, featuring wood-slat pergola, high-end cabinetry, and dining area overlooking scenic waterfront.
Hill Country Transformation

+413

Response time1 day
1 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Best Austin Handyman & Remodeling
Best Austin Handyman & Remodeling
4.2(
1,006
)
Addition to Existing Structure - Build

Serving Cedar Park, TX and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"Spent a lot of time examining problems with chimney/siding repair in addition to fence project. Then never got estimate emailed to us in a timely manner despite two phone calls requesting it. Finally got a call after a week and then got estimate, which did not include fence project as we were suddenly informed they will no longer be doing fences."
Additional Photos
Remodeled Interior & Tile
Remodeled Kitchen
Custom Fence
Response time1 day
12 neighbors recently requested a quote
Recommended by79%of homeowners
Avatar for T5T Contracting, LLC
T5T Contracting, LLC
4.8(
30
)
Addition to Existing Structure - Build

Serving Cedar Park, TX and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"We had some very detailed/complex requirements for building our outdoor living space that many people wouldn't even bid on the project. Terry not only came in at a great price, and great quality, but went above and beyond in problem solving. He came up solutions that not even my designers had thought off. We are very happy with the results. I'll be coming back to T5T for all my projects."
Pergola on concrete patio
Pergola
Pergolas, Patios, Decks
Free Standing Pergola and Deck over Septic
Pergola on Concrete patio

+88

Response time7 hrs
Response rate89%
32 neighbors recently requested a quote
Avatar for Patriot Construction & Handyman Service
Patriot Construction & Handyman Service
5.0(
11
)
Addition to Existing Structure - Build

Serving Cedar Park, TX and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"Less than a year after we moved in, we discovered mold (to which we are sensitive) in our "new" kitchen. Patriot Construction knew exactly what to do (hint: it does NOT involve bleach or DIY air samples) to handle the situation safely and also whom to contact regarding the testing. In addition to having the proper equipment, they were really good at explaining the different options and what each one might cost. They also could have taken advantage of the situation and told us that we needed an entirely new kitchen, but instead,their in-house master carpenter was able to build the needed cabinets to match the existing. We highly recommend them and will use them again on future projects."
An idea of how you can turn a vaulted ceiling into a cool and useable space.
This used to be a dark and dirty attic. Conversions like this can be a great way to add square footage. With structural changes being one of our strengths, we can show you how to maximize your
space.
Lighting can transform any space into something magical.
Why be normal? Wall tile and a hexagonal stain glass window created an awesome mood for this homeowner.
Herringbone mosaic is very time consuming, but the results are worth it.

+10

Response time1 day
Response rate100%
4 neighbors recently requested a quote
Avatar for Modern Vision Remodeling Experts
Modern Vision Remodeling Experts
5.0(
58
)
Addition to Existing Structure - Build

Serving Cedar Park, TX and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Our entire home feels like new thanks to Modern Vision Remodeling with the innovative approach to renovation. They revitalized every room with a keen eye for design and a commitment to quality. Living in our new home is a joy, and we attribute that to the expertise of the Modern Vision Remodeling team."
Bathroom remodel
Bathroom remodel
Bathroom remodeling
Bathroom remodeling
Bathroom remodeling

+778

Response time11 hrs
Response rate98%
2 neighbors recently requested a quote
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FAQs for addition to existing structure building service projects in Cedar Park, TX

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 Cedar Park, TX 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.