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Best basement remodelers near San Antonio, FL

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Top-Rated Basement remodelers in San Antonio - Updated Nov 2026

Avatar for CER Design Build
CER Design Build
4.8(
21
)
Basement - Remodel

Serving San Antonio, FL and surrounding areas

In business since 2000

Free estimates

Emergency services offered

""I am very pleased with the work of Cer Custom Renovations. The guys did a quality job on Remodeling for my project. All work was completed on time without delays or shortcomings. I will recommend the company to my friends and business colleagues. Thank you for the good work!""
Custom cabinets
Chefs kitchen
Master bath
Theater
Additional Photos

+22

Recommended by95%of homeowners
Avatar for Tampa Bay Marble and Design
Tampa Bay Marble and Design
4.7(
174
)
Basement - Remodel

Serving San Antonio, FL and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"Remodeling our kitchen was an interesting experience and we were very happy with the result. Since first day Jess was very helpful and transparent with the information we needed and was always available for any question we might had. He and his team did everything to make the experience as smooth and efficient as possible. It only took 2 weeks to complete the remodeling and they were very professional and always on time with the schedule."
Additional Photos
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+28

Recommended by94%of homeowners
Avatar for Resident Maintenance Services
Resident Maintenance Services
4.1(
176
)
Basement - Remodel

Serving San Antonio, FL and surrounding areas

In business since 2014

Free estimates

"It went very well! I was very happy! I had bought a dryer from Best Buy, and the guys that came to install it, installed it incorrectly, so it didn?t work. After trying very hard to get them to come back to fix it without success, I decided to call an electrician.

The electrician came and saw it right away and fixed it within minutes. The guy lived really far from where I live and when I told him what my situation was, he made time that day to come. He was super friendly, very nice guy and obviously knew his job. He wasn?t going to give up, because it wasn?t immediately obvious why the dryer didn?t work. He was quite amazing!"
Recommended by81%of homeowners
Avatar for Florida Lifetime Impact Window & Door Inc
Florida Lifetime Impact Window & Door Inc
4.1(
20
)
Basement - Remodel

Serving San Antonio, FL and surrounding areas

In business since 2009

Free estimates

Credit card accepted

"

Florida Lifetime was terrific. They are extremely knowledgeable, professional and punctual. Anything we wanted to know about windows they knew. They did a beautiful job. The windows are well installed and because of this the temperature in our home is constant now. The county building inspector came by and was actually impressed with the work done, that we gave him the company's number. I would absolutely use them again.

"
Sliding Galss Door
Wall of windows
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Recommended by85%of homeowners
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Basement Remodel FAQs, answered by experts

Some older homes have toilets in the basement to combat sewage backups. This type of toilet, also known as a Pittsburgh potty, acted as a safety valve over the incoming sewer line. If a line backed up, it would back up into the toilet because it was the lowest fixture in the home, keeping it out of sight and away from the finished areas of the house.

Basement toilets were also used by workers with messy jobs, like those who worked in coal mines or steel mills. This way, they could clean up and avoid tracking dirt through their home.

Joists and beams are both part of the flooring system above your basement, with the beams spanning the length of your home and getting support from vertical posts underneath, and joists usually spanning half the width of your home with no support posts underneath. The floor joists provide even support to the subflooring and flooring above, and they distribute that load to the beams. The beams then distribute that load down through the support posts to the foundation.

It is generally more affordable to finish a basement than an attic, though it ultimately depends on how you plan to use the space. The average cost to finish a basement ranges from $7 to $23 per square foot, while attic renovation costs $30 to $60 per square foot. However, a simple attic conversion to a storage space will cost significantly less.

Adding an extension or addition to your home costs more than a loft conversion in all but the rarest cases where the home's structural integrity is lacking. Because a home addition requires a new foundation section or significant structural upgrades to handle a cantilevered portion, the cost compared to almost any loft conversion is significantly greater for the same square footage.

In addition to overseeing new home builds, construction managers work on large renovations and major remodels. For example, they may work with designers and oversee the construction of a finished basement, kitchen renovation, or a home addition. They may also oversee large-scale remodels, such as the update of a historic home. Construction managers step into small projects for more specific assistance, such as building budgets and compiling the team.

The San Antonio, FL homeowners’ guide to basement remodels

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