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Best basement remodelers near San Marcos, CA

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

Avatar for Fausto Construction
Fausto Construction
5.0(
98
)
Basement - Remodel

Serving San Marcos, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"I hired fausto construction inc. to remodel 3 bathrooms in our home. He met our expectations and every aspect of the work. I highly recommend this general contractor for all your remodeling"
Response time1 day
5 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Basement - Remodel

Serving San Marcos, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We hired McCormick Home Builders to remodel our living room, and we are beyond pleased with the result. The team was professional, worked efficiently, and Aris design ideas made a huge difference. The room feels so much brighter and more spacious. This was the best decision we made for our home, and we were already planning our next remodel with them."
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+1

Response time6 hrs
Recommended by17%of homeowners
Home Pro Remodeling & Construction, Inc.
4.1(
31
)
Basement - Remodel

Serving San Marcos, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"I had my garden and bathroom remodel done. Albert and Samuel were professional, friendly, and a delight to work with. They're responsive and reliable. I also like the subcontractors whom they used on my project. They kept me informed of everything and I appreciate their excellent work."
Response time5 days
Recommended by77%of homeowners
Avatar for R C B CONSTRUCTION
R C B CONSTRUCTION
5.0(
5
)
Basement - Remodel

Serving San Marcos, CA and surrounding areas

Approved

In business since 1978

Free estimates

Small jobs welcome

"I can’t say enough good things about Jake and his construction company. He recently completed an addition on our home, and the entire experience was outstanding from start to finish. Jake was professional, dependable, knowledgeable, and took a lot of pride in his work. He kept us informed throughout the project, paid attention to the details, and made sure everything was done right instead of cutting corners. The quality of the finished addition exceeded our expectations and looks like it was always meant to be part of the house. It’s hard to find a contractor you can truly trust, but Jake is one of them. He showed up, followed through on what he promised, and treated our home with respect. We couldn’t be happier with how everything turned out. I would recommend Jake and his company without hesitation to anyone looking for quality construction work. Five stars all the way — we would absolutely hire him again!"
New construction home
New construction home
New construction home
New construction home
New construction home

+8

3 neighbors recently requested a quote
Avatar for Big boys construction
Big boys construction
New to Angi
Basement - Remodel

Serving San Marcos, CA and surrounding areas

Approved

Credit card accepted

Hi, my name is Steven with Big Boys Construction. We are a locally owned and operated company serving the High Desert and surrounding areas. We specialize in a wide range of residential services including painting, flooring, drywall, concrete, and general home improvements.\n\nOur goal is simple — deliver quality work, honest pricing, and reliable service you can count on. We take pride in treating every home like it’s our own, with attention to detail and proper preparation from start to finish.\n\nWhether it’s a small repair or a full renovation, we are committed to making the process smooth and stress-free for our customers. We look forward to earning your business and bringing your vision to life.\n

Full kitchen remodel
Vinyl flooring
Vinyl flooring
Vinyl flooring
Avatar for R A Crandall Construction INC
R A Crandall Construction INC
5.0(
1
)
Basement - Remodel

Serving San Marcos, CA and surrounding areas

Approved

In business since 1983

Free estimates

Credit card accepted

"Had stucco job done from water damage and fence gates fixed. All work was done professionally and prices were awesome. With this company you can’t go wrong. Specially, when you feel like you’re trying to find an honest, hard working person to help you."
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26 neighbors recently requested a quote
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Basement Remodel FAQs, answered by experts

Yes, you can install a summer kitchen or kitchenette in your basement. They serve similar purposes as outdoor kitchens, keeping the main floor of the house cool and providing another space to cook and congregate. Basement kitchens are also a worthwhile alternative for homeowners without much space in the backyard. They come with a few logistical questions to sort out, though, like ventilation and waterproofing.

Unless you have extensive experience in construction work, remodeling a basement is best left to a professional. There are several tasks associated with this project that require exact precision, including:

  • Replacing insulation 

  • Replacing carpet or other flooring 

  • Adding heating and cooling

  • Adjusting or adding walls and doors

  • Altering or adding plumbing elements

If any of these elements is done incorrectly, it could severely impact the quality of your basement remodel and be dangerous. Changing a basement often comes with code safety requirements, like egress windows and proper ventilation. Therefore, leaving it up to a professional is often the best decision.

Common mistakes when finishing basement walls include neglecting proper insulation, insufficient moisture management, and poor ventilation. Not addressing these issues can lead to mold growth, water damage, and discomfort. Additionally, inadequate planning, improper framing, and rushing the project can result in subpar outcomes. 

It's essential to follow best practices, seek professional guidance if needed, and prioritize thoroughness and attention to detail.

Yes, you can add a door to your basement—it might even be required, depending on building codes in your area and whether or not you’re using the basement as a bedroom. A basement contractor can give you some advice on installation and help you add a door to your basement.

Walkout basements are not generally included in a home’s square footage, although they may be if they meet certain conditions that depend on local regulations. A finished walkout basement used as a living space may be counted toward square footage in some locations as long as all codes for livable space are met.

The San Marcos, CA homeowners’ guide to basement remodels

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