Get matched with top basement waterproofing pros in Bayside, CA

Q: Should I close my crawl space vents in winter?

• <div><p>In most climates, contractors recommend closing your crawl space vents in winter. Keeping them shut protects your crawl space from freezing temperatures, pests, and cool breezes that can lead to chilly floors in your home. However, it's often best to speak with a local crawl space team about your specific design and its relationship to the winter season.</p></div>

Q: Is water coming up from the floor an emergency?

• <div><p>Yes, water coming up from the floor should be treated as an emergency. If you're unable to either identify or stop the source of the water on your own, contact an emergency plumber right away. In addition to harming your flooring, standing or pooled water can lead to <a href="https://www.angi.com/articles/will-water-damage-concrete.htm">water-damaged concrete</a>.</p></div>

Q: Is sealing a foundation ever not recommended?

• <div><p>In some circumstances, <a href="https://www.angi.com/articles/foundation-refacing.htm">foundation refacing</a> or repair may be a better option for your home than sealing a foundation. It&rsquo;s always a good idea to take steps to prevent moisture problems in your foundation, but if there are any structural concerns, those will usually need to be fixed first. When dealing with foundation issues, it&rsquo;s a good idea to get a professional opinion so you can avoid bigger problems down the road. </p></div>

Q: Do services include waterproofing or UV protection?

• <div><p>Yes, many repair services include reapplying waterproofing and UV-resistant coatings.</p></div>

Q: Is a pier and beam the same as a crawl space?

• <div><p>Although the two terms are closely related and often used interchangeably, pier and beam foundations and crawl spaces are different things. A pier and beam foundation is made up of concrete piers and wooden beams and creates a space under the home known as a crawl space. There are several types of foundations that create crawl spaces, often collectively known as &ldquo;crawl space foundations,&rdquo; but the crawl space itself is separate from the foundation. </p></div>

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Verified Reviews for Basement Waterproofing pros in Bayside, CA

*The Angi rating for Basement Waterproofing companies in Bayside, 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 Bayside, 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 December 12, 2025

Reviewed in December 2025
They did so much more than plumbing! After analyzing the problem with an outside waterline, they removed offensive roots, bulbs, and foliage. They cleared the area and replaced plastic pipes with metal ones. The bill was reasonable and the water company is no longer seeing several gallons of...
Blossom Landscaping And Handyman Service
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Reviewed in October 2025
Deed’s gutter service did an excellent job installing my leaf filter gutter protection device he repaired a crack in my gutter. He fixed a drain pipe, cleaned my gutters excellent job. Very friendly knowledgeable and was on time. Highly recommendable
Good Deeds Gutter Service
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Reviewed in June 2025
I contacted K2V Concrete to provide a quote for a concrete driveway at a residential home in McKinleyville. We are a non-profit company located in the San Francisco Bay Area and I was having difficulties finding someone to do the work. Michael was so helpful and was able to complete the work...
K2V Concrete, Inc.
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Reviewed in June 2025
They worked long hours even weekend to get job done. It?s a wonderful fence fence on a sloped backyard they also cleaned up all the mess
Green Sun Landscaping
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Reviewed in July 2024
If you need anything under the realm of plumbing, this is the Man to call. Quality work, and doesn't take 3 months to get back to you.
Coast to Coast Plumbing
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Reviewed in August 2023
The paint looks awesome and the bill was less than the estimate! As I look around our house, I see several projects that Lou and his company have completed--bathroom, lighting, windows, outdoor patio--and they're all first class! We have several other projects in mind and will trust Lou...
Simple Visions
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Reviewed in May 2023
We just purchased and installed a new shed from Junior Barns and we love it! We also bought one back in 2017 and it is still in wonderful shape. My wife and I are highly recommending this company and its products.
Junior Barns
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Reviewed in February 2023
They finished a drywall works for me.
Cutting edge finishes
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Reviewed in September 2022
Fabulous; since fence was close to our garage and right next to neighbor's garage, it was a tricky situation. S-V was able to modify our gutters and convince the neighbor to allow installation of gutters. Furthermore all of the S-V workmen were observant, helpful and amazing workers. Since...
Simple-Visions Home Remodeling
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Reviewed in June 2022
Construction employees were very efficient. Reported for work on time.] Cleaned up after their work. They removed the bathtub and installed a walk-in Shower with two shower heads. Nice doors with horizontal handle on both doors. No skimping on the product. First Class. Yes I would have...
Hunter and Son Construction, Inc.
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Find Basement waterproofing pros in Bayside

Palm Construction, Inc.

5.0(

112

)

Serving Bayside, CA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"Very professional. Completed the job in two weeks. The deliverables were as promised. They were very independent, requiring only minimal involvement from the client. However, communication with the owner could be enhanced a bit."

Recommended by100%of homeowners

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Redwood Plumbing and Drain Cleaning

4.7(

)

Serving Bayside, CA and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"They were very prompt to an emergency situation, and came out after asking about the pipe. They replaced my damaged pipe quick and efficiently and everything was back to working order within the hour."

+12

Recommended by100%of homeowners

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Hampton Enterprise LLC

3.7(

)

Serving Bayside, 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."

Recommended by60%of homeowners

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Daniel White

New to Angi

Serving Bayside, CA and surrounding areas

In business since 2017

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

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Basement Waterproofing questions, answered by experts

In most climates, contractors recommend closing your crawl space vents in winter. Keeping them shut protects your crawl space from freezing temperatures, pests, and cool breezes that can lead to chilly floors in your home. However, it's often best to speak with a local crawl space team about your specific design and its relationship to the winter season.

Yes, water coming up from the floor should be treated as an emergency. If you're unable to either identify or stop the source of the water on your own, contact an emergency plumber right away. In addition to harming your flooring, standing or pooled water can lead to water-damaged concrete.

In some circumstances, foundation refacing or repair may be a better option for your home than sealing a foundation. It’s always a good idea to take steps to prevent moisture problems in your foundation, but if there are any structural concerns, those will usually need to be fixed first. When dealing with foundation issues, it’s a good idea to get a professional opinion so you can avoid bigger problems down the road.

Yes, many repair services include reapplying waterproofing and UV-resistant coatings.

Although the two terms are closely related and often used interchangeably, pier and beam foundations and crawl spaces are different things. A pier and beam foundation is made up of concrete piers and wooden beams and creates a space under the home known as a crawl space. There are several types of foundations that create crawl spaces, often collectively known as “crawl space foundations,” but the crawl space itself is separate from the foundation.

The Bayside, 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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