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Find Basement remodelers in San Marcos

Avatar for BE HOME REMODELING INC
BE HOME REMODELING INC
5.0(
12
)

Angi Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"After they redid our counter tops and island, we had them paint out cabinets and build shelves up to the ceiling. The communication was on point this time and the results speak for themselves. Would definitely recommend them to anyone for any home project. "
612 neighbors recently requested a quote
Recommended by33%of homeowners
Avatar for OBE Contractors
OBE Contractors
5.0(
4
)

Angi Approved

In business since 2000

Free estimates

Warranties offered

"I’m very pleased with the work performed by OBE Contractors. The entire process from quoting to final cleanup exceeded my expectations. I will definitely contact them again for further projects."
4 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for EC HOME REPAIRS AND REMODELS
EC HOME REPAIRS AND REMODELS
4.9(
9
)

Angi Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Enrique was excellent in helping us remodel our shower and bathroom. We got excellent results at a reasonable price. Luis, the tile specialist, was very exacting and meticulous in his tile work. We would highly recommend E C construction. "
2 neighbors recently requested a quote
Avatar for Basave Builds, Inc.
Basave Builds, Inc.
5.0(
9
)

Angi Approved

In business since 2025

Free estimates

Warranties offered

"We hired Sam for several drywall jobs, including one emergency repair and a major remodel of two rooms. Sam was always professional, friendly, and pleasure to work with. He took exceptional care to not scratch our floors and pricing was always fair. On one occasion, there was a miscommunication regarding scope of work. Sam immediately took responsibility and completed the additional work, including purchasing the supplies out of pocket. We look forward to continuing to work with Sam and highly recommend him. :-)"
3 neighbors recently requested a quote
Avatar for William Joyce Design
William Joyce Design
5.0(
3
)

In business since 2010

Free estimates

William Joyce Design is a Landscape Architecture firm dedicated to creating imaginative, functional, & attractive landscapes that elicit lasting responses & are intrinsic to the local environmental conditions. As each site poses its own questions & offers its unique subtleties, we use our own broad-reaching cultural experiences & expansive education to embrace natural systems, feed our imagination, & reinforce the instincts of our designs. By committing to stewardship of the land, responsible use of natural resources, incorporation of local materials & native plants, & appreciation of the physical interaction with the landscape, William Joyce Design seeks uncontrived, natural solutions designed to generate discovery, splendor, & balance.

Recommended by100%of homeowners
Scotts Quality Improvements
New to Angi

I am a General Contractor specializing in remodeling. I primarily work alone to keep costs down but I also have access to a group of very skilled & trustworthy sub contractors if needed.

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FAQs for basement remodeling projects in San Marcos, CA

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 Marcos, CA homeowners’ guide to basement remodelings

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