Top-rated basement remodelers.

Best basement remodelers near Saint Helena, CA

Enter your zip and get matched with up to 5 pros

Need a pro for your basement remodel project in Saint Helena, CA?

Select your specific project to find the pro for you.

Top-Rated Basement remodelers in Saint Helena - Updated Nov 2026

Avatar for Tocchini Builders Inc.
Tocchini Builders Inc.
3.8(
137
)
Basement - Remodel

Serving Saint Helena, 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."
58 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for THREE LIONS REMODELING
THREE LIONS REMODELING
New to Angi
Basement - Remodel

Serving Saint Helena, CA and surrounding areas

Approved

In business since 2021

Free estimates

Offers commercial services

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! \n

4 neighbors recently requested a quote
Bielefield Construction, Inc.
New to Angi
Basement - Remodel

Serving Saint Helena, CA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

Our company prides itself on reliability, integrity and quality work. When Bielefield Construction, Inc., is hired, we make it a point to provide the highest level of customer service. With over 30 years of experience, we specialize in custom wood and trim work, additions, remodels and deck building. Specializing in stair railings and newel post installations. If you are looking to turn your home into your dream home, call us today! We look forward to earning your business. \n

1 neighbors recently requested a quote
...
Showing 1-10 of 69
Basement Remodel FAQs, answered by experts

Key trends include home gyms, theatre rooms, additional rooms (bedroom/office), and more, with personalized styles reflecting individual preferences.

Common mistakes when finishing basement walls include neglecting proper insulation, insufficient moisture management, and poor ventilation. Not addressing these issues can lead to mold growth, water damage, and discomfort. Additionally, inadequate planning, improper framing, and rushing the project can result in subpar outcomes. 

It's essential to follow best practices, seek professional guidance if needed, and prioritize thoroughness and attention to detail.

The best type of basement ventilation system depends on your budget, the moisture in your basement’s air, and the types of windows you have down there. You should consider all of these factors when choosing a ventilation system. However, the most effective method for basement ventilation is an energy recovery ventilator (ERV) or a whole-house ventilation system, which preheats or precools incoming air from the outside while also managing water vapor.

Although it’s not required, air ventilation in a finished basement can help improve the air quality, prevent moisture and mold issues, keep musty odors away, and also maintain the air quality throughout the rest of your home. Proper ventilation will help maintain the value of your investment in finishing your basement. Try basement ventilation methods like installing vents or a dehumidifier for best results.

You should plan on waiting at least a year and ideally two to three years after construction before finishing your basement. This will give the foundation time to settle in response to the weight of your home and the expansion of the surrounding soil. You can then repair your foundation and seal any cracks as needed before finishing it to reduce your risk of future leaks or other issues.

The Saint Helena, CA homeowners’ guide to basement remodels

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