Top-rated basement remodelers.

Get matched with top basement remodelers in San Jose, CA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Basement remodelers in San Jose

Avatar for BE HOME REMODELING INC
BE HOME REMODELING INC
4.9(
67
)
Basement - Remodel

Serving San Jose, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"We recently had our bathroom remodeled by Be Home Remodeling, and I just wanted to share how happy we are with everything. Pouria, our project manager, was great — super organized, always kept us updated, and really listened to any concerns we had. Any time we needed something or had a question, he handled it right away. The crew (Manuel, Isaí )did an awesome job. They worked cleanly, were respectful of our home, and the quality of the work shows. The bathroom turned out even better than we expected, and we honestly love how everything came out. Overall, it was a really smooth experience, and we’d definitely recommend Be Home Remodeling and Pouria if you’re planning a remodel."
full house remodeling
full house remodeling
full house remodeling
full house remodeling
full house remodeling

+31

Response time1 day
Response rate99%
621 neighbors recently requested a quote
Avatar for Geico Builders
Geico Builders
5.0(
61
)
Basement - Remodel

Serving San Jose, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Warranties offered

"We hire Geico Builders for our kitchen remodeling project, and I'm happy to share my experience: working with Zaya and Geico Builders team was a great decision. They were professional, friendly, and easy to work with. Form the start, the process was smooth and efficient. The craftmanship of my remodel kitchen and attention to detail were exceptional, and the end result far exceeded my expectations. From the design phase top completion, their communication was excellent, and I felt completely at ease with them working in my home. The design solutions completely transformed my kitchen, making it both functional and beautiful. I highly recommend Geico Builders for anyone looking for a stress-free and satisfying remodeling experience."
Composite Deck Replacement Trex
Full Backyard Remodel with Outdoor Kitchen
Remodeling - Kitchen & Bathroom Project
Deck Replacement Composit
Composite Deck

+270

Response time1 day
Response rate100%
17 neighbors recently requested a quote
Avatar for Herman Construction Company
Herman Construction Company
5.0(
22
)
Basement - Remodel

Serving San Jose, CA and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

"I hired Karol for a bathroom remodel and Im very happy with how it turned out. Karol was great to work with. Very friendly, professional, communicative and detail oriented. I would definitely recommend him."
Home Addition
Home Addition
Home Additon
Home Additon
Home Addition

+25

Response time7 hrs
Recommended by81%of homeowners
Avatar for Cal Green Remodeling
Cal Green Remodeling
5.0(
15
)
Basement - Remodel

Serving San Jose, CA and surrounding areas

Approved (Corporate)

In business since 2015

Free estimates

Emergency services offered

"We found Cal Green Remodeling while searching for companies on google. After meeting a few companies, we decided Shay was the best choice for us. The main reason we went with Shay and Cal Green, was because of his honest appraoch to the the whole process. While it appeared the others were saying what we wanted to hear, Shay told us the facts without attempting to lighten the situstion. For example the timeline with Shay seemed realistc compared to the others and also he provided a very detailed estimate that covered all cost and potential cost involved. Simply stated Shay made us feel comfortable. As we expected, he was the best choice. The process was smooth and Shay kept us in constant communication with updates, and completed the work on schedule. Our kitchen came out amazing and we love it! I would highly recomend Shay and Cal Green Remodeling for your home renovation. Thanks again to Shay and Cal Green Remodeling!"
Outdoor Gazebo Kitchen Morgan Hill California
Outdoor Gazebo Kitchen Morgan Hill California
Outdoor Gazebo Kitchen Morgan Hill California
Outdoor Gazebo Kitchen Morgan Hill California
Outdoor Gazebo Kitchen Morgan Hill California

+51

Response time1 day
Response rate100%
12 neighbors recently requested a quote
Avatar for BUILDERS GROUP & DESIGN INC
BUILDERS GROUP & DESIGN INC
5.0(
21
)
Basement - Remodel

Serving San Jose, CA and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

"Our kitchen was outdated and didn?t work for our family anymore, and Builders Group completely transformed it. They helped us create a space that feels open, bright, and so much more functional. The cabinets, countertops, lighting, and every finishing touch came together beautifully. Throughout the project, they kept us informed, respected our home, and made sure every question was answered. Walking into our new kitchen every morning still puts a smile on our faces. We couldn?t have asked for a better experience"
South San Francisco
South San Francisco
South San Francisco
South San Francisco
South San Francisco

+139

8 neighbors recently requested a quote
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Basement - Remodel

Serving San Jose, 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."
.
.
.
.
.

+1

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

Serving San Jose, 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
BE&D Builders
3.8(
4
)
Basement - Remodel

Serving San Jose, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"My project was a major renovation of a 1985 Victorian home that suffered a devastating fire. Erik and his team did a beautiful job following my architect’s plans, and was also proactive about calling out necessary changes. He was very patient with all of my changes and very specific requests, and was a very calming influence when unexpected surprises inevitably arose during construction. The final results are beautiful, and an historic house has been saved. I look forward to working with Erik again in the future!"
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Remodeling - Kitchen & Bathroom Project
Remodeling - General Project

+11

Recommended by100%of homeowners
...
Showing 1-10 of 230
FAQs for basement remodeling projects in San Jose, 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 Jose, CA homeowners’ guide to basement remodelings

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