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Verified Reviews for Basement Remodel pros in Cotati, CA

*The Angi rating for Basement Remodel companies in Cotati, 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 Cotati, 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

Find Basement remodelers in Cotati

Avatar for Bielefield Construction, Inc.
Bielefield Construction, Inc.
4.9(
8
)

Serving Cotati, 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
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Avatar for D I Y Design & Consulting
D I Y Design & Consulting
4.9(
7
)

Serving Cotati, CA and surrounding areas

Approved

In business since 1990

Free estimates

Offers commercial services

"I am very pleased with my new shower. Marc kept me informed of the entire project. His crew was always on time, hard workers and kept the work area clean."
Response time1 day
Response rate92%
3 neighbors recently requested a quote
Request Quote
Avatar for Tocchini Builders Inc.
Tocchini Builders Inc.
3.7(
131
)

Serving Cotati, CA and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

"Kramer’s home-improvement did a fantastic job remodeling my home. Many compliments on the completed project.Leo and his crew were fantastic and very professional. Anything I needed done they accommodated and did a beautiful Job of it. Highly recommend very reasonable pricing."
17 neighbors recently requested a quote
Recommended by92%of homeowners
Request Quote
Avatar for First String Home Improvement
First String Home Improvement
5.0(
9
)

Serving Cotati, 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."
Mailbox Repair
Mailbox Repair
Fence Install
Door Fix
Door Fix

+7

Response time2 hrs
Response rate95%
Recommended by85%of homeowners
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Avatar for Alvarado and Son Construction, Inc.
Alvarado and Son Construction, Inc.
5.0(
3
)

Serving Cotati, 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 time7 hrs
3 neighbors recently requested a quote
Recommended by66%of homeowners
Request Quote
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Basement Remodel questions, answered by experts

When choosing materials for finishing basement walls, consider factors such as moisture resistance, durability, and fire resistance. Opt for materials specifically designed for basement environments, like moisture-resistant drywall or cement board. Insulation with vapor barriers can help regulate temperature and prevent condensation. Consider using mold-resistant paints or coatings. 

Research and consult with experts to select materials that are suitable for your specific basement conditions and intended use. Prioritize quality and compatibility to achieve long-lasting and aesthetically pleasing results.

It is common for a contractor to ask for a down payment before starting a project, especially for jobs that require purchasing materials and equipment or hiring a crew. The deposit amount can range from 10% to 50% of the total job cost. While a request for up to 50% is not unusual, a contractor should not ask for more than that, and you should never pay for a project in full before the work has begun. To protect yourself, always discuss payment terms before starting and have a written contract that outlines the project timeline and expectations. Additionally, be sure to hire reputable contractors and check their licensing and insurance before the project begins.

Permits may be required for major repairs, structural work, or electrical and plumbing restoration after a flood. Check with your local building department to determine permit requirements and associated fees for your flooded basement cleanup project. Obtaining the correct permits helps ensure work is done safely and up to code.

To determine if your basement walls are suitable for finishing, assess their structural integrity and moisture conditions. Look for any signs of damage, such as cracks, bowing, or excessive moisture. Ensure proper drainage and address any underlying issues before proceeding. 

Consult with a professional if you're uncertain about the structural stability or potential risks associated with finishing your basement walls.

While bathrooms and kitchens are nearly equal in terms of renovation difficulty, kitchens are the most challenging. Kitchen design, layout, electrical, and plumbing needs all depend on each other for the success of the entire project, and mistakes early in the project can cause trouble later on.

The Cotati, CA homeowners’ guide to basement remodels

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

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