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Find Basement remodelers in San-quentin

Avatar for OT Bay Builders
OT Bay Builders
5.0(
77
)

Serving San-quentin, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2021

Free estimates

Warranties offered

"We love our new deck! It’s sturdy, beautiful, and adds so much value to our backyard. The team listened to what we wanted and delivered exactly that, right down to the custom railing and built-in seating."
Broadway Kitchen Remodel
Broadway Full Kitchen remodel
Broadway Full Kitchen remodel
San Francisco Contemporary Kitchen Remodel
San Francisco Contemporary Kitchen Remodel

+81

Response time12 hrs
Response rate98%
2 neighbors recently requested a quote
Avatar for Geico Builders
Geico Builders
5.0(
26
)

Serving San-quentin, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2013

Free estimates

Warranties offered

"We hire Geico Builder to handle our home renovation, including updates to the kitchen and bathroom, and the whole experience was fantastic. The team was professional, organized, and easy to communicate with from start to finish. They showed great attention to detail, stayed on schedule, and made sure everything turned out exactly how we envisioned it. Our kitchen looks stunning, the new bathroom layout is so much more functional, and the bedrooms feel brand new. It's rare to find contractors who combine quality work with honesty and reliability, but Geico Builders delivered on all fronts. Highly recommend them for any home remodeling project."
Composite Deck Replacement Trex
Full Backyard Remodel with Outdoor Kitchen
Remodeling - Kitchen & Bathroom Project
Deck Replacement Composit
Composite Deck

+270

Response time1 day
2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for BE HOME REMODELING INC
BE HOME REMODELING INC
5.0(
13
)

Serving San-quentin, CA and surrounding areas

Angi 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 rate98%
387 neighbors recently requested a quote
Avatar for Tech Line Construction, Inc.
Tech Line Construction, Inc.
5.0(
13
)

Serving San-quentin, 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 San-quentin, 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 San-quentin, 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 Mt. Tam Construction
Mt. Tam Construction
4.7(
21
)

Serving San-quentin, CA and surrounding areas

Angi Approved

In business since 1983

Free estimates

Customers say: Quick response

"from the moment we talked to Roger we knew we were in good hands. He gave us a clear idea on costs and showed us where we could save some money. His crew was amazing. Always on time and courteous. i cannot compliment them enough. they were with us for 6 weeks and we enjoyed their presence. Roger was always around for questions or certain additions we wantred to make. highly recommend them."
 Let us create a beautiful bathroom for you!
 2 New shower (before shower door installed)
 The tub area invites relaxation
 The tub area invites relaxation
 Vanity area, lighting , mirrors

+11

Response time2 days
15 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for First String Home Improvement
First String Home Improvement
5.0(
7
)

Serving San-quentin, CA and surrounding areas

Angi Approved

In business since 2023

Free estimates

Credit card accepted

"First String Home Improvement Company installed my bathroom door, and the results exceeded my expectations. I’m very picky when it comes to details, but with Skyler I didn’t have to supervise him at all—his professionalism and expertise were evident throughout the entire process. On top of that, he’s incredibly enthusiastic about what he does, which made the experience even better. This company is my go-to, and I’ll def hire them again!"
Mailbox Repair
Mailbox Repair
Fence Install
Door Fix
Door Fix

+7

Response time2 hrs
Response rate95%
Recommended by85%of homeowners
...
Showing 1-10 of 447
FAQs for basement remodeling projects in San-quentin, 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-quentin, CA homeowners’ guide to basement remodelings

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