Find trusted waterproofing professionals serving Colorado. All contractors are independently researched and certified.
Only companies with a Certified Best Pick® badge meet our strict satisfaction & licensing requirements and are eligible for the Best Pick Guarantee.
Only companies with a Certified Best Pick® badge meet our strict satisfaction & licensing requirements and are eligible for the Best Pick Guarantee.
"Groundworks' trained and certified engineers and inspectors provide expert foundation repair, basement waterproofing, crawl space encapsulation, and concrete lifting services to homes and businesses across the Greater Boulder/36 Corridor area. With over 25 years of experience, Groundworks offers customized foundation repair solutions for all soil types and terrain with industry-leading products and nationally backed warranties."
"Groundworks' trained and certified engineers and inspectors provide expert foundation repair, basement waterproofing, crawl space encapsulation, and concrete lifting services to homes and businesses across Greater Colorado Springs. With over 24 years of experience, Groundworks offers customized foundation repair solutions for all soil types and terrain with industry-leading products and nationally backed warranties."
"Groundworks specializes in helping homeowners with foundation repair, basement waterproofing, crawl space encapsulation, and concrete lifting needs. With 27 years of experience, Groundworks provides high-quality home repair solutions and personalized service across the greater Colorado Springs, Denver, Boulder, and Northern Colorado areas. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks will restore your foundation or crawl space."
"Groundworks' trained and certified engineers and inspectors provide expert foundation repair, basement waterproofing, crawl space encapsulation, and concrete lifting services to homes and businesses across Northern Colorado. With over 25 years of experience, Groundworks offers customized foundation repair solutions for all soil types and terrain with industry-leading products and nationally backed warranties."
"With more than 50 years of experience in basement and foundation repair, Thrasher Foundation Repair has become a name homeowners and business owners across the Midwest trust. We take pride in doing things the right way, which is why we were honored to receive the 2024 International BBB Torch Award for Ethics. Whether you're dealing with cracked concrete, a wet basement, or issues in your crawl space, we offer proven, long-lasting solutions designed to keep your home safe, dry, and healthy."
"With more than 50 years of experience in basement and foundation repair, Thrasher Foundation Repair has become a name homeowners and business owners across the Midwest trust. We take pride in doing things the right way, which is why we were honored to receive the 2024 International BBB Torch Award for Ethics. Whether you're dealing with cracked concrete, a wet basement, or issues in your crawl space, we offer proven, long-lasting solutions designed to keep your home safe, dry, and healthy."
"With more than 50 years of experience in basement and foundation repair, Thrasher Foundation Repair has become a name homeowners and business owners across the Midwest trust. We take pride in doing things the right way, which is why we were honored to receive the 2024 International BBB Torch Award for Ethics. Whether you're dealing with cracked concrete, a wet basement, or issues in your crawl space, we offer proven, long-lasting solutions designed to keep your home safe, dry, and healthy."
"With more than 50 years of experience in basement and foundation repair, Thrasher Foundation Repair has become a name homeowners and business owners across the Midwest trust. We take pride in doing things the right way, which is why we were honored to receive the 2024 International BBB Torch Award for Ethics. Whether you're dealing with cracked concrete, a wet basement, or issues in your crawl space, we offer proven, long-lasting solutions designed to keep your home safe, dry, and healthy."
Real homeowners looking for waterproofing in your area
"Reduce radon, a friend can install fan"
Every Best Pick company in Colorado is independently researched and certified annually. We analyze thousands of customer reviews, verify licensing and insurance, and confirm each company meets our strict qualification standards.
We conduct extensive satisfaction surveys and analyze thousands of customer experiences annually.
Verified by
Independent Research
Companies earn Best Pick certification through performance alone. Only businesses with 80%+ recommendation rates qualify.
Best Pick status isn't permanent. Every certified company must re-qualify annually.
Licensed
Insured
Verified
We stand behind our certified companies with a financial guarantee up to $2,500.
Protected
Financial guarantee included
Only waterproofing companies that meet our strict standards earn Best Pick status.
Waterproofing companies must maintain a 4.0+ rating and an 80% recommendation rate.
Current state contractor license verification and general liability insurance for waterproofing work
Minimum 1 year in business with established local presence
Maintain active business registration and in good standing with the state
Consistent waterproofing service quality across all projects
Must re-qualify every year through new research
Common questions about Certified Best Pick® waterproofing companies in Colorado
Best Pick Certified Waterproofing companies in Boulder, CO have earned their status through independent consumer research—not paid placement. To qualify, a company must meet strict standards:
Certification is re-verified annually, ensuring continued performance.
No. Waterproofing companies cannot buy Best Pick Certification, improved ratings, or better placement. Our research team independently evaluates companies based on customer satisfaction, licensing, insurance, and business stability—before any business relationship exists.
Companies that earn certification pay a participation fee after qualifying, which covers the cost of ongoing research and publication. This fee has no influence on whether a company qualifies or how they appear in our directory.
The Best Pick Guarantee provides financial protection—up to $2,500 in labor costs—if a Certified Best Pick Waterproofing company fails to deliver on their commitments.
To be eligible:
This guarantee applies only to Certified Best Pick companies, not Standard Pros. Full terms are available on our guarantee page.
