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Crawl Space Repair & Encapsulation in Sunnyvale, CA

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Many homes in Sunnyvale utilize crawl spaces for essential plumbing and ductwork, but these areas can often become problematic due to factors like open vents and dirt floors. The local climate, with about 15 inches of annual rainfall, can lead to moisture accumulation, pest invasions, and poor air quality, resulting in mold growth and wood rot. Bay Area Underpinning specializes in crawl space repair services that include the installation of vapor barriers, sump pumps, dehumidifiers, and thermal insulation, all designed to mitigate these issues effectively.

As part of the Groundworks family, Bay Area Underpinning is proud to offer top-tier foundation repair, crawl space repair, and concrete lifting services to homeowners in Sunnyvale and the surrounding areas. Our experienced team of technicians is focused on providing personalized solutions and cutting-edge products, ensuring your home is protected and maintained with industry-leading warranties for your peace of mind.

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Bay Area Underpinning is Sunnyvale's Crawl Space Repair Expert

Serving Homeowners for over 19 years

Recent Work Completed Near You

1,386 crawl spaces repaired by the San Jose branch

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Why your neighbors trust Bay Area Underpinning

We've earned 19 five star reviews.

"Good communication and attention to detail are important to me, as well as punctuality. I experienced all of these things from Mark Brill, a certified inspector with Bay Area Underpinning. He focused on what I really needed. I think he deserves a bonus for the extended time he spent today, and more than 5 stars for sure!"

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Our in-house crews are certified and local to your area.

Our work comes with a nationally backed warranty.

Types of Crawl Space Damage in Sunnyvale

Common Causes of your Crawl Space Problems in Sunnyvale

Moisture and Humidity

Excess moisture and high humidity levels in the crawl space can lead to mold growth, wood rot, and structural damage. This often results from poor ventilation or water seepage.

Poor Drainage

Inadequate drainage systems can cause water to accumulate around the foundation, leading to water infiltration and increased moisture levels in the crawl space.

Open Crawl Space Vents

Open vents allow outside air and moisture to enter the crawl space, which can lead to condensation, mold growth, and pest infestations.

Foundation Cracks

Cracks in the foundation can compromise the structural integrity of your home by allowing water infiltration, which can lead to further deterioration and instability.

Plumbing Leaks

Leaks from plumbing systems can saturate the soil around the foundation, leading to erosion and weakening of the structure.

Understanding these common causes can help you take proactive measures to protect your crawl space and maintain the overall health of your home.

Crawl Space Repair Solutions We Provide For You in Sunnyvale

Create Solid Floors for Strong Homes

Create Solid Floors for Strong Homes Image

What We Do

  • Examine your crawl space closely
  • Determine the reason for joist failure
  • Make a plan to repain and stabilize

What We Use

Floor Jacks 3D Image Floor Jacks Learn More

Control Groundwater Seepage

Control Groundwater Seepage Image

What We Do

  • Identify leakage sources
  • Consider your home's unique needs
  • Install a reliable drainage system

What We Use

Drainage System 3D Image Drainage System Learn More
Drainage Matting 3D Image Drainage Matting Learn More
Sump Pump 3D Image Sump Pump Learn More

Change the Environment

Change the Environment Image

What We Do

  • Recognize ventilation insufficiences
  • Offer options for moisture control
  • Regulate humidity levels effectively

What We Use

Vapor Barrier 3D Image Vapor Barrier Learn More
Dehumidifier 3D Image Dehumidifier Learn More
Crawl Space Doors 3D Image Crawl Space Doors Learn More

Properly Insulate the Home

Properly Insulate the Home Image

What We Do

  • Diagnose insulation concerns
  • Take expert measurements
  • Deliver lasting thermal protection

What We Use

Insulation 3D Image Insulation Learn More

Our Other Services in Sunnyvale

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Our Bay Area Underpinning's Sunnyvale Office Serves You

Our Address

1161 N Fair Oaks Ave Sunnyvale, CA 94089

Contact Us

(855) 976-0804

About Us

Meet our Sunnyvale team, see our
service area, and get financing details
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Proudly Serving Sunnyvale and Surrounding Areas

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Trust the experts at Bay Area Underpinning

How it works

Straightforward and simple process

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Schedule an
inspection

Upon arrival, our Inspector will introduce themselves and chat with you about the problems you're experiencing. Based on the information you provide them, they'll then create a plan of action to examine your home inside and out.

Receive a detailed repair plan and quote icon

Receive a detailed
repair plan and quote

Once the inspection is complete, the Inspector will sit with you and present their findings. And because we provide same-day estimates, you'll have all the cost and financing information you need to make a decision right away.

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Get the work done
when you're ready

When you're ready to move forward with repairs, we'll help you choose an installation date that works for your schedule, and notify our Installation team immediately of the upcoming work.