Best basement remodelers near Upper Lake, CA

Q: Does a finished basement count toward a home's square footage?

• <div><p>A finished basement does not always count as square footage, as this varies by state regulations. In areas that allow below-grade spaces to be included in a home's official square footage, the basement must typically meet certain conditions. These conditions often include having a functional egress and being a livable space with flooring, finished walls, and temperature control. To be certain, contact your local assessor to confirm your area's specific policies regarding basement square footage.</p></div>

Q: Is finishing a basement worth it, and how much value does it add?

• <div><p>Yes, in most cases, finishing a basement is worth the cost. The project adds valuable, usable square footage to your home and typically provides a return on investment (ROI) of 70% to 75%. For example, an average basement refinishing project costing $32,000 could add between $22,400 and $24,000 to your property's value. The final value added depends on factors like your location, the quality of materials and workmanship, and the features you include, such as a living space, bedroom, or bathroom. To be officially counted in your home's total square footage, the finished space must comply with all local building codes, including requirements for points of egress. However, in areas prone to flooding, a finished basement might be seen as a liability by potential buyers and could potentially decrease your home's value.</p></div>

Q: Why do some old houses have a toilet in the basement?

• <div><p>Some older homes have toilets in the basement to combat sewage backups. This type of toilet, also known as a Pittsburgh potty, acted as a safety valve over the incoming sewer line. If a line backed up, it would back up into the toilet because it was the lowest fixture in the home, keeping it out of sight and away from the finished areas of the house.</p><p>Basement toilets were also used by workers with messy jobs, like those who worked in coal mines or steel mills. This way, they could clean up and avoid tracking dirt through their home.</p></div>

Q: How much basement wall bowing is acceptable?

• <div><p>Any bowing in a basement wall indicates a problem that needs to be addressed by a professional. If your basement wall bows more than 1 inch, it's time for an inspection. Generally, a wall can bow up to 30% of its thickness (around 2.5 inches for an 8-inch-thick wall) before it becomes an urgent situation. Bowing of 2 to 4 inches is more straightforward to fix than bowing of more than 4 inches, which will require significant repairs. If the bowing is more than 6 inches, the wall will likely need to be replaced. The sooner you address the problem, the easier and less expensive the repair will be.</p></div>

Q: How much does a basement remodel cost?

• <div><p>The average cost to remodel a basement is between $12,100 and $33,400. Depending on the project's complexity, the price can be as low as $3,500 or exceed $50,200. For a simple project like adding a home office, you might spend between $500 and $3,000. However, a more extensive project, such as adding a bathroom, can range from $6,600 to $16,500. The final cost is influenced by factors like the basement's size and condition, the type of remodel, material choices, your location, and accessibility. For an accurate price, it's best to consult with a basement remodeling team.</p></div>

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Verified Reviews for Basement Remodel pros in Upper Lake, CA

*The Angi rating for Basement Remodel companies in Upper Lake, 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 Upper Lake, 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 September 15, 2026

Reviewed in September 2026
Today felt like I wasted my entire day trying to get in contact over the phone with ant contactor until I gave up and called my nearest hardware store who referred me to this Contractor named Dustin. This guy was super helpful and understanding. If you live in Lake County and want to remodel...
Pabst Blue Ribbon General Construction
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Reviewed in February 2026
Jeremy was professional at all times and arrived early. Replaced interior and exterior electrical panels, outlets and had the power back on in just a short amount of time. Jeremy is sure worth the call if you want everything right. Will refer him to anyone I know.
CURRENT ENERGY SOLUTIONS
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Reviewed in November 2025
B&W responded quickly to my request for shed roof cleaning for insurance purposes. They power washed the roof and sent me photos, which were praised by my insurance representative and forwarded to my insurance company. They also filled an erosion hole next to the shed, and cleaned the roof,...
B&W Handyman
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Reviewed in April 2025
We actually had an addition built over our garage including two bedrooms, a sitting room and a custom bathroom. We've also had smaller projects done over the years and always very satisfied with the work and timing.
I.H.S. Construction, Inc.
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Reviewed in January 2025
What a delightful experience! I was expecting a mess - moving furniture, trampling outdoor plants, noise, possible damage to woodwork - I can not tell you how easy Dominic and David made this upgrade for me! I have never met two finer gentlemen in the construction field! Thank you Selig...
Selig Construction Corporation
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Reviewed in September 2024
Mike and his crew gutted a bathroom built in the 70s. The results are beautiful. Tile step in shower. Moved the drain and water from the left to the right. Installed decorative grab bars. New vanity, mirror and vanity lighting. The job was finished in a timely manner along with paying to have...
Mike Home Improvements
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Reviewed in June 2023
My house looks amazing! Steve and crew did a fantastic job. Highly recommend ð
Steve's Mobile Pressure Washing
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Reviewed in February 2023
We had a massive diseased oak tree that needed to be taken down. Alex and his crew worked professionally to remove it for us. They also cleaned up a large redwood tree of dead limbs. Our property was left clear of debris. Alex gave us a great price & heÃ¢Â Â s easy to work with. We will use...
ATC Tree
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Reviewed in February 2023
Anchored Tiny Homes did an excellent job on our project. The quality of their work and service were superlative. Guests who have seen the TH were amazed at how beautiful the project turned out.
Anchored Tiny Homes
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Reviewed in October 2022
Our project they performed for us was a takedown of an an old existing wood retaining wall and installing a new concrete block wall and steps. Fantastic design and building around 100 feet of wall and steps. They insured that there was proper drainage by installing good drain material behind...
Nickel Creek Landscapes & Design
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Top-Rated Basement remodelers in Upper Lake - Updated Nov 2026

Pabst Blue Ribbon General Construction

4.5(

)

Basement - Remodel

Serving Upper Lake, CA and surrounding areas

Approved

In business since 2012

Free estimates

Customers say: Quality work

"Today felt like I wasted my entire day trying to get in contact over the phone with ant contactor until I gave up and called my nearest hardware store who referred me to this Contractor named Dustin. This guy was super helpful and understanding. If you live in Lake County and want to remodel your home call him!!!! 5 STARS"

Response time6 days

9 neighbors recently requested a quote

Recommended by85%of homeowners

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Royal Premium Homes, LLC

5.0(

)

Basement - Remodel

Serving Upper Lake, CA and surrounding areas

Approved

In business since 1991

Free estimates

Warranties offered

"Patrick's prompt response to my inquiry, his written estimate and contract, start and completion of work was by far the best I have received in Oregon. His leadership skills with his crew was very courteous and thoughtful. When I requested a couple of changes he was upfront on the cost and never complained. I would recommend him highly and would definitely contact him again for future projects."

Response time12 hrs

Response rate97%

2 neighbors recently requested a quote

Serving Upper Lake, CA and surrounding areas

Approved

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

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Palm Construction, Inc.

Serving Upper Lake, CA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

It can be a daunting task looking for not only the right contractor for your job but also the right contractor for you. We completely understand what you're going through. We know every customer has different desires, different needs and different schedules. We're not only here to turn your ideas into reality but to make it a memorable experience every step of the way. Call us right now, no matter where you are in the planning process.

Recommended by100%of homeowners

Serving Upper Lake, CA and surrounding areas

In business since 2007

Free estimates

"Even with such a variety of jobs to get done, everything went smoothly. Beau was a pleasure to work with and scheduling was a breeze. Quality of work was great, with full cleanup done as well. It's been a year since the work was done and I'm going back to him for another round of rework on my 60 year old fixer upper."

Recommended by100%of homeowners

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Clear Horizon Home Solutions, Inc.

Serving Upper Lake, CA and surrounding areas

In business since 2011

Free estimates

Credit card accepted

"We love working with Benjamin and his crew . His professionalism is unmatched. He gave us a great price for the bathrooms remodel. The outcome was amazing and better than expected! I would highly recommend Expert Home Builders to my friends."

Recommended by82%of homeowners

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Mega Power Electric, Inc

Serving Upper Lake, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Excellent Service from planning through Execution and installation to final fine tuning. The folks communicated well and explained every detail of the step. Got permit and inspection done. It was seamless. Thanks. R."

+32

Recommended by100%of homeowners

Serving Upper Lake, CA and surrounding areas

In business since 2006

Credit card accepted

"Amanda was really very good! At first I was very skeptical, thinking why did I pay money to just speak with someone on the phone about my kitchen remodel project... but after just a few minutes of her addressing some of the issues/questions I emailed to her earlier, I knew it was worth it. It was very clear that she knew her business and she gave me several ideas that I had not even thought about. I told her that I would definitely recommend her to friends and I will very likely use her again myself for my next home project!

"

California Client Saves with HMD Designer Discounts

Recommended by54%of homeowners

Serving Upper Lake, CA and surrounding areas

In business since 2016

Free estimates

Emergency services offered

⭐⭐⭐ THE BEST AND MOST TRUSTED FOR YOUR HOME! ⭐⭐⭐ We specialize in bathroom and kitchen remodeling, plumbing, electrical, handyman work, painting, and drywall!\n\nExcellence is our habit; quality is our work. We can do it better than anyone. We fix things around your house so you don’t have to. Call us today at (925) 791-8900!\n\n

+47

Recommended by75%of homeowners

Serving Upper Lake, CA and surrounding areas

In business since 2017

Free estimates

Emergency services offered

"It was great. They did an excellent job. They were professional. They always got the job on time. I would refer him to my friends and family."

+40

Recommended by100%of homeowners

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Showing 1-10 of 30

Basement Remodel FAQs, answered by experts

A finished basement does not always count as square footage, as this varies by state regulations. In areas that allow below-grade spaces to be included in a home's official square footage, the basement must typically meet certain conditions. These conditions often include having a functional egress and being a livable space with flooring, finished walls, and temperature control. To be certain, contact your local assessor to confirm your area's specific policies regarding basement square footage.

Yes, in most cases, finishing a basement is worth the cost. The project adds valuable, usable square footage to your home and typically provides a return on investment (ROI) of 70% to 75%. For example, an average basement refinishing project costing $32,000 could add between $22,400 and $24,000 to your property's value. The final value added depends on factors like your location, the quality of materials and workmanship, and the features you include, such as a living space, bedroom, or bathroom. To be officially counted in your home's total square footage, the finished space must comply with all local building codes, including requirements for points of egress. However, in areas prone to flooding, a finished basement might be seen as a liability by potential buyers and could potentially decrease your home's value.

Some older homes have toilets in the basement to combat sewage backups. This type of toilet, also known as a Pittsburgh potty, acted as a safety valve over the incoming sewer line. If a line backed up, it would back up into the toilet because it was the lowest fixture in the home, keeping it out of sight and away from the finished areas of the house.

Basement toilets were also used by workers with messy jobs, like those who worked in coal mines or steel mills. This way, they could clean up and avoid tracking dirt through their home.

Any bowing in a basement wall indicates a problem that needs to be addressed by a professional. If your basement wall bows more than 1 inch, it's time for an inspection. Generally, a wall can bow up to 30% of its thickness (around 2.5 inches for an 8-inch-thick wall) before it becomes an urgent situation. Bowing of 2 to 4 inches is more straightforward to fix than bowing of more than 4 inches, which will require significant repairs. If the bowing is more than 6 inches, the wall will likely need to be replaced. The sooner you address the problem, the easier and less expensive the repair will be.

The average cost to remodel a basement is between $12,100 and $33,400. Depending on the project's complexity, the price can be as low as $3,500 or exceed $50,200. For a simple project like adding a home office, you might spend between $500 and $3,000. However, a more extensive project, such as adding a bathroom, can range from $6,600 to $16,500. The final cost is influenced by factors like the basement's size and condition, the type of remodel, material choices, your location, and accessibility. For an accurate price, it's best to consult with a basement remodeling team.

The Upper Lake, 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
•
Sep 23, 2026Sep 23, 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
•
Sep 8, 2026Sep 8, 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.
Marwa Hasan
•
Oct 29, 2026Oct 29, 2026
What Is the Cost to Raise a Basement Ceiling?
If your basement ceiling is low, there are ways to raise it. Learn more about the cost to raise a basement ceiling to be able to enjoy your basement and create a more usable space in your home.
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.