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Verified Reviews for Basement Waterproofing pros in Ukiah, CA

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

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

Last update on September 24, 2025

Find Basement waterproofing pros in Ukiah

Avatar for Groundworks
Groundworks
4.6(
19
)

Serving Ukiah, CA and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"Groundwork’s did a great job on our house. Luis G was an amazing Forman with Ken H and Mark P all waterproofed under our house. They worked quickly, efficiently and thoroughly left all areas in tact and clean. Luis communicated very clearly about the all aspects of the job until it was completed."
Basement
Basement
Basement
Basement
Foundation

+16

163 neighbors recently requested a quote
Recommended by58%of homeowners
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Avatar for Sonoma Siteworks & Engineering
Sonoma Siteworks & Engineering
5.0(
4
)

Serving Ukiah, CA and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Went great. Good company to work with, awesome communication. They jump right on it and knock the work out quickly and cleanly. Very knowledgeable and professional."
Additional Photos
Clearing and Grading
7 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Hampton Enterprise LLC
Hampton Enterprise LLC
3.7(
9
)

Serving Ukiah, CA and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"I only use James when I need some work done to my house. He responds fast, gets the work done quicker than just about anyone else I've ever used and seems very concerned with leaving his customers happy."
Additional Photos
Additional Photos
Recommended by60%of homeowners
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Avatar for Diamond D Construction, LLC
Diamond D Construction, LLC
3.5(
6
)

Serving Ukiah, CA and surrounding areas

In business since 2017

Free estimates

Offers commercial services

"I used Diamond D to clear some land in Lakeport. Made a contact through HomeAdvisor. Tyler was super responsive, worked with me to define our needs and provided a clear bid. Both Tyler and Megan were very professional and communicated well with me since I live a few hundred miles away. I will use them again, it was a very good experience."
Response time3 days
Recommended by100%of homeowners
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Avatar for Baker Excavating Co
Baker Excavating Co
5.0(
1
)

Serving Ukiah, CA and surrounding areas

In business since 2018

Free estimates

Offers commercial services

"He did wonders, was able to make driveways and flat spots on my slopped property. Gets the job done right, works quickly, and keeps me up to date with everything. I am going to be hiring him again here soon."
Response time12 hrs
Recommended by100%of homeowners
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Basement Waterproofing questions, answered by experts

Foundation repair uses methods such as underpinning, slab jacking, or application of hydraulic piers. Each technique is chosen based on structural needs, soil conditions, and damage extent, ensuring a stable and secure foundation.

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.

When doing any type of project involving mold, it's important to wear the right protective gear. You'll want an N-95 or KN-95 mask to keep yourself from inhaling mold spores, which can be irritating or trigger an allergic reaction in people with weakened immune systems. You'll also want to wear protective eyewear and gloves to limit your contact with mold.

One handy thing about whole-house dehumidifiers is, once installed, you don’t have to worry about placement or changing the dehumidifier’s position. But if you are using a portable dehumidifier, we suggest keeping it away from walls, vents, and furniture. It needs a central, unobstructed spot with access to lots of air to do its job.

Roughing in and connecting utilities are the hardest parts of finishing a basement, and they’re the parts we typically don’t recommend doing as a DIY project. Unfortunately, your finishing timeline can be extended by weeks while you wait for contractors and inspectors to install electrical wiring, plumbing lines, and heating/cooling equipment and carry out inspections.

The Ukiah, CA homeowners’ guide to basement waterproofing services

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

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