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Crawl Space Repair & Encapsulation in Redwood City, CA

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In Redwood City, many homes feature crawl spaces that can be prone to moisture issues, pests, and poor air circulation due to their typical construction with open vents and dirt floors. With the average annual precipitation reaching about 18 inches, these conditions can lead to mold growth, wood rot, and compromised indoor air quality. Bay Area Underpinning specializes in comprehensive crawl space repair solutions, including the installation of vapor barriers, sump pumps, dehumidifiers, and thermal insulation to protect your home from these common threats.

As part of the Groundworks family, Bay Area Underpinning is committed to providing exceptional foundation repair, crawl space repair, and concrete lifting services to homeowners throughout Redwood City and Northern California. Our team of skilled technicians focuses on delivering tailored solutions and cutting-edge products, backed by national-level warranties, to ensure your home remains a safe and healthy environment.

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Groundworks is Redwood City's Crawl Space Repair Expert

Serving Homeowners for over 20 years
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Recent Work Completed Near You

1,757 crawl spaces repaired by the San Jose branch

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Why your neighbors trust Groundworks

We've earned 32 five star reviews.

"I contacted Groundworks because I know foundation issues are not something to sleep on. I wasn't sure if my home had any serious issue or just normal settling. Jim came out to my home, explained everything to me, showed me data, measurements and was patient, respectful and kind. Jim explained everything in a way that didn't make the process feel overwhelming. At the end of the meeting Jim told me there was nothing of concern and I from the beginning he felt like someone that was direct and won't sell me something I didn't need. I feel grateful Jim and his evaluation of my home"

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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 Redwood City

Common Causes of your Crawl Space Problems in Redwood City

Moisture and Humidity

Excess moisture in your crawl space can lead to mold growth, wood rot, and structural damage over time.

Groundwater Seepage

Poor drainage or leaking pipes can lead to standing water in your crawl space, potentially causing mold growth and compromising structural integrity.

Poor Ventilation

Open vents in your crawl space allow humid air to enter, leading to condensation, mold, and long-term moisture damage.

Pest Infestations

Damp or unsealed crawl spaces create an inviting environment for rodents, termites, and other pests, leading to structural damage and contamination.

Soil Settlement

Shifting soil beneath your home can lead to foundation settlement, causing sagging floors and damage to crawl space supports.

Foundation Cracks

Cracks in crawl space foundation walls allow water, pests, and unconditioned air to enter, causing moisture and structural issues.

High Energy Bills

Poorly sealed or damaged crawl spaces can increase heating and cooling costs due to energy loss.

Stack Effect

Damage in your crawl space allows mold and odors to spread into your home. Repairing the crawl space prevents this, improving your air quality and living environment.

Climate Conditions

Heavy rains or drought can shift the soil beneath your home, leading to sagging floors or structural damage in your crawl space. Repairing these issues restores stability and protects your home from further problems.

Crawl Space Repair Solutions We Provide For You in Redwood City

Create Solid Floors for Strong Homes

What We Do

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

What We Use

 Floor Jacks Learn More

Control Groundwater Seepage

What We Do

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

What We Use

 Drainage System Learn More
Drainage Matting Learn More
Sump Pump Learn More

Change the Environment

What We Do

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

What We Use

 Vapor Barrier Learn More
Dehumidifier Learn More
Crawl Space Doors Learn More

Properly Insulate the Home

What We Do

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

What We Use

 Insulation Learn More

Our Other Services in Redwood City

Concrete Lifting
Foundation Repair

Our Groundworks' Redwood City Office Serves You

Our Address

1161 N Fair Oaks Ave Sunnyvale, CA 94089

Contact Us

(855) 976-0804

About Us

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

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Trust the experts at Groundworks

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.