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Find Basement remodelers in Key Biscayne

Avatar for LG & OD CORP
LG & OD CORP
5.0(
45
)

Serving Key Biscayne, FL and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Credit card accepted

"Lidio and his coworker were both amazing. They took their time to make sure the job was done correctly and everything worked accordingly. Lidio did an excellent job explaining how the equipment works and also cleaned up afterwards. I will highly recommend then and I will definitely hire then again."
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+921

Response time1 day
Response rate100%
8 neighbors recently requested a quote
Sosso Remodeling
5.0(
18
)

Serving Key Biscayne, FL and surrounding areas

"Sosso Remodeling is a must-have if you're looking for remodeling your property. He does a really excellent job and is skilled in everything he does with very high quality. I hired Sosso remodeling to do several things that were needed to be done like bathroom remodeling, electrical work, and more. The results were very impressing. His attention to detail is unbelievable! No regret hiring him and is definitely worth the value."
Recommended by100%of homeowners
Avatar for New Living Construction Inc
New Living Construction Inc
4.9(
83
)

Serving Key Biscayne, FL and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"I fount New Living thanks to Angie’s List reviews, and I am very happy I did. Dmitry was professional from day one to the end of the project. Very communicative throughout. Job was finished on a timely manner, and tenants were very happy woh the quality and the professionalism of Dmitry and staff. I had to hire several contractors in the Miami area previously, and this was the first time I worked with a company that was professional, reliable and charged reasonable fees."
Recommended by97%of homeowners
Avatar for Dream Living Remodeling Inc
Dream Living Remodeling Inc
4.9(
83
)

Serving Key Biscayne, FL and surrounding areas

In business since 2007

Free estimates

Warranties offered

"All required material was acquired/ordered and work was completed in a timely fashion. Besides, work areas were left clean at the end of the day. There was no need for work to be redone as it was done professionally the first time. Experience, knowledge, and reliability are the reasons for me giving Dream Living Remodeling, Inc. such high marks. I was very satisfied with the service done and recommended the company to my next-door neighbor who also used the services this year."
Recommended by97%of homeowners
A-1 Interior Works Inc
4.9(
124
)

Serving Key Biscayne, FL and surrounding areas

In business since 2005

Free estimates

Warranties offered

"Dan came into someone else's poorly executed and incomplete drywall mess. He worked miracles! The beautifully finished walls were thanks to Dan's willingness to work hard, do whatever it took to get the desired result, and his commitment to achieving a perfect end product. His rates were reasonable, he did a good job cleaning up, was punctual, and professional. <br />"
Recommended by95%of homeowners
Avatar for ODP Professional Painting & Remodeling
ODP Professional Painting & Remodeling
4.6(
121
)

Serving Key Biscayne, FL and surrounding areas

In business since 2012

Free estimates

Emergency services offered

"This company did an outstanding job at installing our calacatta 32x32 tile, super meticulous team, and professional. They are perfectionist! They also take care of permits, fees, inspections etc. I love love my remodeled house. My husband and I Will def use their services once again if we decide to do our patio."
Recommended by90%of homeowners
Avatar for Level 10 construction
Level 10 construction
5.0(
5
)

Serving Key Biscayne, FL and surrounding areas

In business since 2016

Free estimates

Warranties offered

"It went very well. They were great, on time, courteous, and professional. They have great craftsmanship. They have good quality of work. The construction was good. They were good company."
Recommended by100%of homeowners
Avatar for Iga Construction
Iga Construction
5.0(
7
)

Serving Key Biscayne, FL and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"Everything in which IGA did for my family and I was out of this world in which serious was unbelievably beautiful perfect and came out to be much more than I could have ever imagined nor expected as well dream of I was in tears is how beautiful of a job they did on my entire home I have pictures if you would like to see. I am willing to go to any extent to help IGA construction become to most known that is the least I can do for all they did for me at a very low price for work that If I went with another company or contractor I would have paid triple plus some and the out come would have never ever been what it is now as I meantioned most beautiful work and a dream come true to have a home that I never thought was possible all thanks to IGA construction Matt as well crew."
Recommended by100%of homeowners
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Showing 1-10 of 274
FAQs for basement remodeling projects in Key Biscayne, FL

Finishing a basement turns unused square footage into livable space and returns up to 70% of what you spend when you sell your home. Beyond that resale boost, you gain a playroom, home office, or guest suite you can start enjoying right away. That mix of daily comfort and solid return on investment (ROI) makes basement finishing one of the smartest upgrades you can tackle.

In some parts of the country—especially lots on swamps, high water tables, or other wetlands—local codes prohibit basements. Saturated soil puts constant pressure on foundation walls and lets water seep in faster than any sump pump can handle. 

If your property sits on waterlogged ground, building on a slab or crawl space is often safer, more affordable, and code-compliant.

Most basements wrap up in four to eight weeks. Framing takes three to five days, with electrical and plumbing rough-ins following over the next week. Add five days for drywall, two to three for flooring, and another week for paint, trim, and punch-list items. 

Delays can happen if materials run late or your contractor’s calendar is packed, so build in a little cushion when you plan.

Whether a finished basement counts toward your home’s official square footage depends on local rules. Many areas only include below-grade space if it has code-approved egress, fully finished walls, ceilings, and floors, plus consistent heating. 

Check with your local assessor or building department before you start; meeting those standards can affect taxes, appraisals, and resale value.

Building codes require a checklist: dedicated heat and electrical service, a code-approved stairway, and at least one egress window or exterior door. Walls, ceilings, and floors must be fully finished and meet insulation, ventilation, and fire-separation standards. If you add a bedroom, you’ll also need a closet, proper clearances, and safe exits. If you change the layout later, be ready to update the space so every new room still meets today’s code.

The Key Biscayne, FL homeowners’ guide to basement remodelings

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