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Crawl Space Repair & Encapsulation in San Rafael, CA

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Homes in San Rafael often feature crawl spaces rather than basements, which serve as critical areas for plumbing and ventilation. However, these crawl spaces are prone to moisture accumulation, pests, and poor air circulation due to open vents and dirt floors. The humid climate, coupled with the region's average annual rainfall of about 27 inches, can lead to mold growth, wood rot, and overall unhealthy indoor air quality. Bay Area Underpinning provides comprehensive crawl space repair services, including vapor barrier installation, dehumidifiers, and thermal insulation, to protect your home from these prevalent issues.

As a trusted member of the Groundworks family, Bay Area Underpinning offers industry-leading foundation repair, crawl space repair, and concrete lifting services across Northern California, including San Rafael. Our experienced technicians are dedicated to providing top-notch home repair solutions tailored to your specific needs, using advanced technology and products backed by national warranties. We prioritize your satisfaction and the health of your home, ensuring a safe environment for you and your family.

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Groundworks is San Rafael's Crawl Space Repair Expert

Serving San Rafael and the surrounding areas
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Recent Work Completed Near You

3,478 crawl spaces repaired by the Fairfield branch

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Why your neighbors trust Groundworks

We've earned 370 five star reviews.

"Just had Chris Murray out yesterday to go over a complex job at my home I have owned for 25 years. He spent 3 hours going over the issues with our foundation and ground levels. Amazing service and a very knowledgeable professional. Highly recommend working with him and the company."

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54 of your neighbors recommend our local Groundworks branch.

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 San Rafael

Common Causes of your Crawl Space Problems in San Rafael

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 San Rafael

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 San Rafael

Basement Waterproofing
Concrete Lifting
Foundation Repair

Our Groundworks' San Rafael Office Serves You

Our Address

2333 Courage Dr. Suite C Fairfield, CA 94533

Contact Us

(855) 976-0804

About Us

Meet our San Rafael team, see our
service area, and get financing details
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Proudly Serving San Rafael 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.