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Find Basement remodelers in Napa

Avatar for Geico Builders
Geico Builders
5.0(
43
)

Serving Napa, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2013

Free estimates

Warranties offered

"Geico Builders did an amazing job on our bathroom remodel. From the first consultation to the final walkthrough, the team was prompt, professional, and easy to work with. They moved fast but still delivered excellent workmanship. The workers were polite and always cleaned up before heading out, which we really appreciated. Our bathroom looks beautiful now, and the whole project was completely stress-free thanks to them."
Composite Deck Replacement Trex
Full Backyard Remodel with Outdoor Kitchen
Remodeling - Kitchen & Bathroom Project
Deck Replacement Composit
Composite Deck

+270

Response time1 day
3 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Tech Line Construction, Inc.
Tech Line Construction, Inc.
5.0(
13
)

Serving Napa, CA and surrounding areas

Angi Approved

In business since 2007

Free estimates

Emergency services offered

"Tech Line Construction was easy to work with. They showed up when scheduled and finished the project as discussed. The workmanship was solid, and communication was consistent throughout."
Fremont
Fremont
Remodel
Beautiful Kitchen Remodel
Beautiful Kitchen Remodel

+28

Response time2 days
11 neighbors recently requested a quote
Recommended by61%of homeowners
Avatar for Build Atlas
Build Atlas
5.0(
13
)

Serving Napa, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"I had a great experience working with this roofing company. From start to finish, the team was professional, organized, and efficient. The quality of the work definitely met my expectations, and I was impressed with how quickly they completed the entire reroofing project without cutting any corners. Communication was clear throughout the process, and they kept me updated on each step, which I really appreciated. There was a small delay in the delivery of some materials (not their fault), but they handled it quickly and kept things moving. If you’re looking for reliable and quality roofing work, I would definitely recommend them. It’s refreshing to see a company that values both speed and quality without trying to endlessly price gouge me — (had to deal with a few others before I found them :\)"
Updated Tile Flooring
Updated Vanity & Fixtures
Added Shelving & Accessories
Newly updated kitchen
Outdated Kitchen

+19

Response time5 hrs
Recommended by76%of homeowners
Avatar for Ovation Restoration, LLC
Ovation Restoration, LLC
4.7(
78
)

Serving Napa, CA and surrounding areas

Angi Approved

In business since 1997

Free estimates

Emergency services offered

"Ovation Restoration did an excellent job with our home improvement project. In our master bedroom, to take advantage of a fantastic view, they removed a large window from one wall, sealing it up like new, and installed a similar window on another wall. The work was performed quickly and skillfully, with great results. They also turned the double door leading into that room into a single door, creating more space in the room. Concurrently, in the guest bathroom, the old tub was removed, and a beautiful walk-in tiled shower was installed, along with a window with a fantastic view. The project manager Rick was a pleasure to work with, and his team were all professional, conscientious, and friendly. Everything turned out just as we imagined. We would highly recommend Ovation Restoration."
Breathtaking solid slab granite countertops
Walk-in shower with sliding glass door
Handicap accessible with style
New lighting
Antique white custom cabinets

+133

Response time10 hrs
Response rate93%
5 neighbors recently requested a quote
Avatar for Sidex Construction
Sidex Construction
5.0(
8
)

Serving Napa, CA and surrounding areas

Angi Approved

In business since 2015

Free estimates

Emergency services offered

"Sidex Siding and Decking did an incredible job on my deck! The quality of their work is evident in every detail, and the materials they used are built to last. The team was professional, efficient, and easy to work with. They delivered exactly what I wanted, and the final result looks amazing. All my family and friends absolutely love the new 25x30ft deck! Highly recommend them for anyone needing a well-crafted deck!"
Full Siding Remodel
Deck Installtion
Deck Installtion
Custom Deck Rebuild
Custom Deck Rebuild

+44

Response time1 day
Response rate99%
28 neighbors recently requested a quote
SGB Inc.
5.0(
4
)

Serving Napa, CA and surrounding areas

Angi Approved

In business since 2015

Free estimates

Credit card accepted

"The team was amazing! We had an old deck in our backyard and we hired Palm Construction to replace and extend it and they did a great work! The job was done in less than 2 weeks, Communication was great, they cared about the backyard and plants and we are so happy itâ s all ready just before summer. Highly recommended!!"
Response time2 days
Recommended by100%of homeowners
Avatar for Deleon E Hijo Construction
Deleon E Hijo Construction
5.0(
5
)

Serving Napa, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2001

Free estimates

Offers commercial services

"Dedicated & reliable local professionals. Joe and his team were punctual, knowledgeable, personable and most of all, honest! The job was completed in time and we even extended the contract to add additional services which were equally completed with competence. We are very happy to have met them all. Highly recommended."
Apartment Remodel
Apartment Remodel
Apartment Remodel
Apartment Remodel
Apartment Remodel

+6

Response time7 hrs
Response rate85%
4 neighbors recently requested a quote
Avatar for Alvarado and Son Construction, Inc.
Alvarado and Son Construction, Inc.
5.0(
3
)

Serving Napa, CA and surrounding areas

Angi Approved

In business since 2018

Free estimates

Offers commercial services

"Jose, Jesus, and the whole crew are awesome. They put in the foundation, framed, and sided a new addition and did a great job. I have worked with a lot of contractors and Alvarado and Son are amazing. Their price was reasonable, the speed of getting the project done was lightning fast, and the whole crew are really nice people that you just like to have around. I have never had a foundation come out as dimensionally correct as they built it and their framing was outstanding. I literally had the city inspectors giving them compliments ... which just doesn't happen normally. If you have a similar project, look no further! "
Response time7 hrs
1 neighbors recently requested a quote
Recommended by66%of homeowners
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FAQs for basement remodeling projects in Napa, 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 Napa, CA homeowners’ guide to basement remodelings

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