Get matched with top basement remodelers in Glen Ellen, CA

Q: Is it cheaper to build up or add a basement?

• <div><p>Building up by adding square footage to the top of your home is often less expensive than adding a basement, but it depends on the specifics of your house, your property, and supply costs. Because building a basement requires excavation, it can be a more expensive option than building up.</p></div>

Q: Can you make your basement deeper?

• <div><p>If you don&rsquo;t have a crawl space but have a partial basement you want to make deeper, you can expect to spend a little less&mdash;between <b>$40,000 and $90,000</b> on average. However, if you&rsquo;re not adding new finished square footage, you won&rsquo;t see much in the way of ROI.</p></div>

Q: How do I plan for a basement remodel?

• <div><p>Create a checklist, reimagine the space use, set a realistic budget, choose materials and aesthetic details, and get professional support for guidelines and troubleshooting.</p></div>

Q: How long does it take to finish or remodel a basement?

• <div><p>The time it takes to finish or remodel a basement can vary significantly, ranging from a few weeks to several months or even up to a year. On average, the construction phase can take four to eight weeks, but the total project time can extend to three or four months when including planning and permits. The timeline depends on several factors, including the basement's size, design complexity, the scope of the work, and your contractor's availability. A more detailed breakdown for an average-sized basement might include: framing (3-5 days), electrical and rough-in plumbing (3-5 days), drywall installation (5 days), flooring (2-3 days), and final touches like painting and trim (about a week). If preliminary work like installing a waterproofing system or addressing structural issues is needed, the timeline could extend to six to twelve months. Factors like difficult access, material transport, and ventilation needs can also add to the project's duration.</p></div>

Q: What is considered a finished basement?

• <div><p>A finished basement must have a heat and electrical supply with an entrance that meets building code requirements, such as a stairwell to the home's main living space. It often must include finished walls, ceilings, and floors. If the finished basement includes a bedroom, it should have a heat source, an egress window, and a closet.</p><p>Remodeling, as opposed to finishing, means altering an already finished basement by adding a bathroom, bedroom, or living area.</p></div>

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Verified Reviews for Basement Remodel pros in Glen Ellen, CA

*The Angi rating for Basement Remodel companies in Glen Ellen, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Remodel needs.

*The HomeAdvisor rating for Basement Remodel companies in Glen Ellen, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Remodel needs.

Last update on June 22, 2026

Reviewed in June 2026
Jeff did wonderful work in our kitchen. We had cabinet work done with granite countertops. It looked so beautiful when completed. We would definitely have Jeff/JS Construction in our home for remodeling.
JS Construction
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Reviewed in May 2026
I had a really good experience with RYDR Construction for my bathroom remodel. I worked mostly with the head contractor, Dangiras, and he was organized, easy to reach, and clear about what was happening each step of the way. He kept the project moving and made sure the work was done...
RYDR Construction, LLC
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Reviewed in March 2026
Wes was very helpful with my bedroom remodel. He was clear, concise and efficient. I would be happy to hire him again.
HomeCore Property Services
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Reviewed in December 2024
Wes and his crew are amazing!! My bathroom remodel looks amazing. They do it all plumbing, tiling, roofing, electrical etc. I cant wait to have them return to start on my kitchen and 2nd bathroom remodel.
ABD Construction Inc
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Reviewed in May 2024
They did a total remodel, including new insulation, wiring, plumbing, drywall, flooring, cabinets and finish work. Work was completed in a timely manner, and the men were easy to work with. Juan and Alicia are a good team! They made sure I was happy with every detail to the end. I will...
JA Mejia Construction
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Reviewed in January 2024
Jason was a great communicator-kept me up to date on progress and needed changes. He is a professional. I had him advise on a needed remodel-he brought lots of clarity and cost saving ideas that we will utilize.
Jason Steward
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Reviewed in October 2023
Great group of guys . They did an amazing job ,I had them built my outdoor kitchen and bbq made out for stone. They also removed and replaced all the walls in the living room. We also had them paint my a few of the bed rooms and my wife absolutely loved the remodel that they did in our...
Brothers Construction
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Reviewed in August 2023
The project required a broad knowledge of electrical, plumbing, concrete work, concrete floor staining and finishing, sheet rock installation and all lighting install. I felt extremely comfortable with the knowledge base and quality of work done. The remodel came out fantastic.
GDW Industries
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Reviewed in August 2023
My wife and I were absolutely new to the idea of remodeling. We felt overwhelmed, like a ship without a sail. We called Wine Country Remodel and they sent their team out quickly and arrived as scheduled. We were impressed - not only with their knowledge of the details, expertise - but how well...
Secured Builders
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Reviewed in May 2023
DS Builders are very professional. I highly recommend their services. I have recommended them to my friends. I have used their services 3 separate times, deck repair and the remodel of 3 bathrooms. Currently, they are working on the remodel of our kitchen. They arrive when scheduled,...
D S Builders
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Find Basement remodelers in Glen Ellen

Bielefield Construction, Inc.

4.9(

)

Basement - Remodel

Serving Glen Ellen, CA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"Very good experience with Bielefield Construction. I would highly recommend."

+54

Response time1 day

12 neighbors recently requested a quote

Recommended by100%of homeowners

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Ovation Restoration, LLC

Serving Glen Ellen, CA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Ovation did a great job installing a new tiled shower in our basement bathroom. They were easy to work with on design and executed exactly what I wanted for a competitive price. However, the project took 2x the estimated time they rarely proactively communicated about timelines or who would be on the job site doing what when."

Breathtaking solid slab granite countertops

+133

Response time10 hrs

Response rate96%

3 neighbors recently requested a quote

Serving Glen Ellen, CA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"Really great company everything went well and professional"

Response time2 days

Response rate86%

Recommended by100%of homeowners

Request Quote

First String Home Improvement

5.0(

)

Basement - Remodel

Serving Glen Ellen, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"I highly recommend Skyler, he is such a professional handyman, he does the work very quickly and you can trust him. He will come in advance with professional equipment, remove the wooden floor with tools, and remove the nails exposed to the outside to avoid safety hazards. He is also very nice, cheerful and patient. It was a great experience to work with him."

Response time2 hrs

Response rate95%

1 neighbors recently requested a quote

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Alvarado and Son Construction, Inc.

5.0(

)

Basement - Remodel

Serving Glen Ellen, CA and surrounding areas

Approved

In business since 2018

Free estimates

Offers commercial services

"He is very conscientious, accurate and on time! He keeps his promises and does excellent work!"

Response time1 hour

1 neighbors recently requested a quote

Recommended by66%of homeowners

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Tocchini Builders Inc.

Serving Glen Ellen, CA and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

"Leo did a great job redoing our laundry area. They did a great job and went above and beyond to meet the requirements of the job. I'd recommend Leo to anyone looking to get some home projects done."

35 neighbors recently requested a quote

Recommended by89%of homeowners

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W OROZCO CONSTRUCTION INC

New to Angi

Basement - Remodel

Serving Glen Ellen, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Hello everybody my name is will orozco ceo of w orozco construction inc we are here to help you with your house project ADU Remodeling new construction we are a company what we staring the company from bottom we know all about construction the main goal is keep all the costumer happy with all the construction projects clean and safe

Serving Glen Ellen, CA and surrounding areas

Approved

Over 30 years of experience. \nOne call does it all!!

Serving Glen Ellen, CA and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Offers commercial services

I am the owner of Puente Builders Inc. with 12 years of hands-on experience in residential and commercial construction. I specialize in remodeling, bathrooms, kitchens, flooring, framing, drywall, finish carpentry, and general repairs. I take pride in delivering quality workmanship, honest communication, and projects completed on time and within budget. My goal is to provide every customer with reliable service and results that last.

Serving Glen Ellen, CA and surrounding areas

Approved

Free estimates

Warranties offered

Credit card accepted

We are a general construction company that manages and oversees residential and commercial projects, coordinating all phases of construction from planning through completion.

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Basement Remodel questions, answered by experts

Building up by adding square footage to the top of your home is often less expensive than adding a basement, but it depends on the specifics of your house, your property, and supply costs. Because building a basement requires excavation, it can be a more expensive option than building up.

If you don’t have a crawl space but have a partial basement you want to make deeper, you can expect to spend a little less—between $40,000 and $90,000 on average. However, if you’re not adding new finished square footage, you won’t see much in the way of ROI.

Create a checklist, reimagine the space use, set a realistic budget, choose materials and aesthetic details, and get professional support for guidelines and troubleshooting.

The time it takes to finish or remodel a basement can vary significantly, ranging from a few weeks to several months or even up to a year. On average, the construction phase can take four to eight weeks, but the total project time can extend to three or four months when including planning and permits. The timeline depends on several factors, including the basement's size, design complexity, the scope of the work, and your contractor's availability. A more detailed breakdown for an average-sized basement might include: framing (3-5 days), electrical and rough-in plumbing (3-5 days), drywall installation (5 days), flooring (2-3 days), and final touches like painting and trim (about a week). If preliminary work like installing a waterproofing system or addressing structural issues is needed, the timeline could extend to six to twelve months. Factors like difficult access, material transport, and ventilation needs can also add to the project's duration.

A finished basement must have a heat and electrical supply with an entrance that meets building code requirements, such as a stairwell to the home's main living space. It often must include finished walls, ceilings, and floors. If the finished basement includes a bedroom, it should have a heat source, an egress window, and a closet.

Remodeling, as opposed to finishing, means altering an already finished basement by adding a bathroom, bedroom, or living area.

The Glen Ellen, CA homeowners’ guide to basement remodels

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

See all articles

Rachel Hoffman
•
Jul 20, 2026Jul 20, 2026
How Much Does a Basement Remodel Cost? [2026 Data]
A basement remodel can often cost as much as adding another room. However, homeowners should consider the usefulness and ROI of a remodel.
Haley Nothstein
•
May 30, 2026May 30, 2026
How Much Does It Cost to Frame a Basement? [2026 Data]
The first step toward a cozy finished basement is adding its framing. How much does it cost to frame a basement? Let's break down the numbers.
Rachel Hoffman
•
Jul 9, 2026Jul 9, 2026
How Much Does It Cost to Finish a Basement? [2026 Data]
An unfinished basement has a lot of potential for a family room or guest suite. So how much does it cost to finish a basement? Read on for all cost factors.
Amy Freeman
•
Jul 20, 2026Jul 20, 2026
Basement Remodel on a Budget: Yes, You Can Do It
Do you have a finished basement? If you want to give it a new lease on life, find out how you can do a basement remodel on a budget.
Melissa Graham
•
May 18, 2026May 18, 2026
5 Questions to Ask About Basement Remodels
These questions for professional contractors can help address your basement remodeling needs, design, and the best time to start the project.
Lawrence Bonk
•
Jul 9, 2026Jul 9, 2026
These 8 Red Flags Will Help You Spot a Bad Basement Remodeler
Hiring a bad basement remodeler can wreak havoc on the look and longevity of your unfinished space. Here are red flags to look for as you vet basement contractors.