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Find Basement remodelers in Sonoma

Avatar for Ovation Restoration, LLC
Ovation Restoration, LLC
4.7(
78
)

Serving Sonoma, 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%
8 neighbors recently requested a quote
Avatar for Maldonado Jessy Construction
Maldonado Jessy Construction
4.7(
51
)

Serving Sonoma, CA and surrounding areas

Angi Approved

In business since 2010

Free estimates

Emergency services offered

"Such a great team, I reached out to Maldonado Jessy Construction and was very respectful, kind and helpful for my full bathroom-remodel. We truly are thankful for him to help us with a big project and others as well. The job was done very efficiently and timely."
Maldonado Jessy Construction
Maldonado Jessy Construction
Maldonado Jessy Construction
Maldonado Jessy Construction
Maldonado Jessy Construction

+25

Recommended by96%of homeowners
Avatar for Sidex Construction
Sidex Construction
5.0(
8
)

Serving Sonoma, 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%
12 neighbors recently requested a quote
SGB Inc.
5.0(
4
)

Serving Sonoma, 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 Alvarado and Son Construction, Inc.
Alvarado and Son Construction, Inc.
5.0(
3
)

Serving Sonoma, 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
Avatar for SUNRISE CONSTRUCTION & HOME IMPROVEMENT, INC.
SUNRISE CONSTRUCTION & HOME IMPROVEMENT, INC.
5.0(
1
)

Serving Sonoma, CA and surrounding areas

Angi Approved

In business since 2009

Free estimates

Emergency services offered

"Water heater started leaking in my Ford unit department building, Monday morning. Tuesday morning before noon the job was done in the water heater is replaced I use this company every time I have issues with either my personal home or my rental properties. They consistently do perfect work. I highly recommend "
Call now at (650) 281-4221
Call now at (650) 281-4221
Bathroom remodel
Kitchen remodel
Kitchen remodel

+6

Response time1 day
3 neighbors recently requested a quote
Community First Construction Corp.
New to Angi

Serving Sonoma, CA and surrounding areas

Angi Approved

In business since 2007

Free estimates

Offers commercial services

Community First Construction Corp. is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.\n

Response time8 hrs
1 neighbors recently requested a quote
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FAQs for basement remodeling projects in Sonoma, 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 Sonoma, CA homeowners’ guide to basement remodelings

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