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Find Basement remodelers in San Antonio

Avatar for CW Custom Builders
CW Custom Builders
New to Angi

Serving San Antonio, TX and surrounding areas

Angi Approved

Free estimates

Emergency services offered

Warranties offered

CW Custom Builders is a high-quality residential and commercial construction company serving Central Texas. We handle all phases of construction—from new builds to remodeling and additions—while priding ourselves on a foundation of honesty and integrity. Call today to get your project underway 830-391-9897.

Wright RE and GC, LLC
New to Angi

Serving San Antonio, TX and surrounding areas

Angi Approved

In business since 2022

Free estimates

Credit card accepted

We are a locally owned and operated company out of Ft Worth, Texas. We value honesty and integrity in all aspects of our business. We offer a variety of general contracting services that are customized to each individual project. We pride ourselves on the quality of our work, as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

Response time4 hrs
Avatar for Steve's Woodworks - Hill Country Stairs
Steve's Woodworks - Hill Country Stairs
4.9(
75
)

Serving San Antonio, TX and surrounding areas

In business since 2006

Free estimates

Emergency services offered

"Steve is professional, kind, and overall good people. His work looks wonderful and he goes above and beyond to make everything look just right. He doesn't skimp on any detail. I would hire him again for any carpenter/wood work."
Custom Built in
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Custom Mantel-NV
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+3

Recommended by98%of homeowners
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FAQs for basement remodeling projects in San Antonio, TX

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 San Antonio, TX homeowners’ guide to basement remodelings

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