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Find Basement remodelers in San-Quentin

Avatar for Mt. Tam Construction
Mt. Tam Construction
4.9(
55
)

Serving San-Quentin, CA and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"Roger and his team did a great job on my bathroom remodel! They were dependable, responsive and efficient. Roger was a pleasure to work with and always had quick solutions for issues that came up. I will go to them again for any home renovation project."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Decks

+54

Response time8 hrs
Response rate88%
3 neighbors recently requested a quote
Avatar for Geico Builders
Geico Builders
5.0(
61
)

Serving San-Quentin, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Warranties offered

"I’ve been working with Geico Builders for the past two years. Initially I’ve met Mila who helped us with our basement drainage issue resolved & built with best drainage solution. At the beginning of September this year Geico Builders started backyard renovation which is contains structural retaining wall about 220 lnf, pavers, composite deck Trex, staircase with beautiful fountain. They completed my backyard project in very short period of time comparison to the amount of work was need it done. Excellent crew & communication with in backyard project. Mila is amazing so much patience and attention to details. I recommend Geico Builders for all your remodeling needs truly is the best company I work so far."
Composite Deck Replacement Trex
Full Backyard Remodel with Outdoor Kitchen
Remodeling - Kitchen & Bathroom Project
Deck Replacement Composit
Composite Deck

+270

Response time1 day
24 neighbors recently requested a quote
Recommended by76%of homeowners
Avatar for Prosper Construction Development, Inc.
Prosper Construction Development, Inc.
4.4(
52
)

Serving San-Quentin, CA and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"We were impressed with Prosper construction from the start. We were looking to remodel our kitchen and as that project progressed we added on it. I can not express enough how wonderful the crew was. David, the project manager was very professional and kept his word through the whole project. The crew on site were always on time. The job was beautifully done; and we are currently working with them on a full master bedroom remodel! Ultimately our needs were met with the first project so it was none barriers to proceed to another project. The whole team is incredibly professional and trustworthy, highly recommend!"
modern railing
after staining the new stairs #2
modern kitchen design
convert traditional bathroom into modern bathroom
modern bathroom

+134

Response time6 days
Recommended by97%of homeowners
Home Pro Remodeling & Construction, Inc.
4.1(
31
)

Serving San-Quentin, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"After calling a few companies, we found Home pro remodeling. Ariel the manager gave us a good offer for the retaining wall, it was the best offer we received compare to other companies ! His guys are super professional, nice and clean. We were very happy with the experience. If you are looking to remodel your home , Home pro remodeling is definitely the best in the area! They are the real deal."
Response time5 days
Recommended by77%of homeowners
BE&D Builders
3.8(
4
)

Serving San-Quentin, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Remodeling - Kitchen & Bathroom Project
Remodeling - General Project

+11

2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Bielefield Construction, Inc.
Bielefield Construction, Inc.
4.9(
8
)

Serving San-Quentin, CA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"We found Bielefeld Construction on Home Advisor and was surprised when Ray responded because we hadnâ t previously had a lot of luck on Home Advisor. We hired them for a master bedroom remodel and are very happy with the final outcome. We made a few changes here and there and Ray was very accommodating. All employees and subcontractors were pleasant, considerate and meticulous in what they brought to the project. We would definitely recommend Bielefeld Construction and use them again if the need arises. 5 star organization!"
Finished Fireplace Facade
Kitchen After
Kitchen After
ADA Shower Area
Before fireplace facade

+54

Response time1 day
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.4(
26
)

Serving San-Quentin, 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 by25%of homeowners
Avatar for Ovation Restoration, LLC
Ovation Restoration, LLC
4.2(
102
)

Serving San-Quentin, CA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"We recently had an entire basement remodel completed. The outcome is phenomenal. We love the end results. The crew was great to work with and are true professionals. Their attention to detail is amazing and they cleaned up after themselves daily. I definitely recommend them for your projects. The crew is trustworthy and prompt, showing up on time every day. Thank you, Rick, Josh S. and team for making our dream a reality."
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%
6 neighbors recently requested a quote
Reichert Building Solutions
5.0(
4
)

Serving San-Quentin, CA and surrounding areas

Approved

In business since 2016

Free estimates

Customers say: Quick response

With years of experience serving the area, we are your solution for all your (PWC) needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Check out our 5 star reviews from happy customers! Call us today so we can discuss your needs and make a plan that fits your budget. Satisfaction guaranteed!

Dryrot
Dryrot
Dryrot
Dry rot
Dry rot

+7

Response rate88%
Recommended by100%of homeowners
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Showing 1-10 of 164
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.