Top-rated foundation, basement or crawlspace waterproofing / encapsulation pros.

Get matched with top foundation, basement or crawlspace waterproofing / encapsulation pros in your area

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Foundation, basement or crawlspace waterproofing / encapsulation pros in Norwalk

Avatar for Ron's Masonry
Ron's Masonry
24 Sniffen Street
4.96(
24
)
Approved Pro
Ron's Masonry
24 Sniffen Street
4.96(
24
)
Approved Pro
Customers say: Super punctual
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
42 local quotes requested

At Ron's Masonry, we pride our company on reliability, great communication, integrity and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business.

"work with quality and efficient, professionally"

edward L on June 2024

At Ron's Masonry, we pride our company on reliability, great communication, integrity and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business.

"work with quality and efficient, professionally"

edward L on June 2024


Avatar for Sundahl Restoration LLC
Sundahl Restoration LLC
1 Madison Avenue
4.90(
33
)
Approved Pro
Sundahl Restoration LLC
1 Madison Avenue
4.90(
33
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
15 local quotes requested

Sundahl Restoration LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Christian and the entire Sundahl team were great. Super professional, tidy and most importantly thorough. They were easy to work with and I always felt comfortable with their suggestions and open communication. The main foreman Jean was super knowledgeable. This was our second job with them and without question would book a third. I Highly recommend."

Jonathan k on January 2025

Sundahl Restoration LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Christian and the entire Sundahl team were great. Super professional, tidy and most importantly thorough. They were easy to work with and I always felt comfortable with their suggestions and open communication. The main foreman Jean was super knowledgeable. This was our second job with them and without question would book a third. I Highly recommend."

Jonathan k on January 2025


Infinity Waterproofing And Construction LLC
208 Harbor Drive Suite 213
New on HomeAdvisorNew on Angi
Approved Pro
Infinity Waterproofing And Construction LLC
208 Harbor Drive Suite 213
New on AngiNew on HomeAdvisor
Approved Pro
128 local quotes requested
23 years of experience

We take great pride in our experience, expertise, quality, and customer service provided to meet your needs. It is our mission to exhibit excellent workmanship and supreme dedication from start to finish of a project. We understand the needs and expectations of our customers, and take great care to work and communicate with them in a courteous and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job. infinitywaterproofingandconstructionllc.com

We take great pride in our experience, expertise, quality, and customer service provided to meet your needs. It is our mission to exhibit excellent workmanship and supreme dedication from start to finish of a project. We understand the needs and expectations of our customers, and take great care to work and communicate with them in a courteous and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job. infinitywaterproofingandconstructionllc.com


Avatar for Budget Dry Waterproofing, Inc.
Budget Dry Waterproofing, Inc.
158 Route 81
4.66(
179
)
Approved Pro
Budget Dry Waterproofing, Inc.
158 Route 81
4.66(
179
)
Approved Pro
Customers say: Quick response
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
77 local quotes requested

Budget Dry Waterproofing is a waterproofing company founded on the belief that quality home improvement work does not need to break the bank. We are dedicated to providing excellent service.

"Our service person was Bill Fanning. He was excellent and explained everything in full detail! Bill was polite and respectful, and advised us on the best new sump pump to replace our non-working sump pump. "

Scott F on April 2025

Budget Dry Waterproofing is a waterproofing company founded on the belief that quality home improvement work does not need to break the bank. We are dedicated to providing excellent service.

"Our service person was Bill Fanning. He was excellent and explained everything in full detail! Bill was polite and respectful, and advised us on the best new sump pump to replace our non-working sump pump. "

Scott F on April 2025


Elite Water Proofing Construction, LLC
6 Landmark Square, Floor 4
New on HomeAdvisorNew on Angi
Approved Pro
Elite Water Proofing Construction, LLC
6 Landmark Square, Floor 4
New on AngiNew on HomeAdvisor
Approved Pro
2 years of experience
Free onsite estimate

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. Call us today!

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. Call us today!


Excavation Services
10 Pell Mell Drive
4.83(
31
)
Approved Pro
Excavation Services
10 Pell Mell Drive
4.83(
31
)
Approved Pro
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
44 years of experience

With over 30 yrs serving the community we have the experience & expertise to handle any problem. Offering a complete range of Excavating, Septic, Drainage,Demolition,Paving, Landscaping & Rock Removal services.

"Bill was great to work with and did an excellent job rehabing my gravel driveway. So glad I found him."

Sherry K on May 2024

With over 30 yrs serving the community we have the experience & expertise to handle any problem. Offering a complete range of Excavating, Septic, Drainage,Demolition,Paving, Landscaping & Rock Removal services.

"Bill was great to work with and did an excellent job rehabing my gravel driveway. So glad I found him."

Sherry K on May 2024


Avatar for R.A.M. Contracting, Inc.
R.A.M. Contracting, Inc.
72 Riverside Road
5.00(
2
)
Approved Pro
R.A.M. Contracting, Inc.
72 Riverside Road
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
27 years of experience

Better Business Bureau Accredited firm with an A+ Rating. 2017 Connecticut Better Business Bureau Marketplace Excellence Awards NOMINEE for SUPERIOR CUSTOMER SERVICE. Established in 1998, R.A.M. Contracting, Inc. is Robertson Michaud company specializing in Custom Projects. We are based in Connecticut and are one of the most highly regarded companies for our craftsmanship, attention to detail and customer service. Fully licensed, insured and bondable. We service Federal, Industrial, Commercial and Select Residential clientele. Registered with the United States Government Systems for Award Management (SAMS), State of Connecticut Department of Consumer Protection and Vermont Office Of Professional Regulation. We are an Environmental Protection Agency Lead Safe Certified Firm. Please provide details about your project in the Homeowner Description. Leads without any description will not be accepted. For more information please call us at 860-413-2263. We are available 7 days a week.

"Very responsive, clear and professional. Gave me information I needed and then some."

Vivian Z on July 2018

Better Business Bureau Accredited firm with an A+ Rating. 2017 Connecticut Better Business Bureau Marketplace Excellence Awards NOMINEE for SUPERIOR CUSTOMER SERVICE. Established in 1998, R.A.M. Contracting, Inc. is Robertson Michaud company specializing in Custom Projects. We are based in Connecticut and are one of the most highly regarded companies for our craftsmanship, attention to detail and customer service. Fully licensed, insured and bondable. We service Federal, Industrial, Commercial and Select Residential clientele. Registered with the United States Government Systems for Award Management (SAMS), State of Connecticut Department of Consumer Protection and Vermont Office Of Professional Regulation. We are an Environmental Protection Agency Lead Safe Certified Firm. Please provide details about your project in the Homeowner Description. Leads without any description will not be accepted. For more information please call us at 860-413-2263. We are available 7 days a week.

"Very responsive, clear and professional. Gave me information I needed and then some."

Vivian Z on July 2018


Avatar for Connecticut Basement Systems, Inc.
Connecticut Basement Systems, Inc.
33 Progress Avenue
4.80(
35
)
Approved Pro
Connecticut Basement Systems, Inc.
33 Progress Avenue
4.80(
35
)
Approved Pro
Customers say: Quick response
58 local quotes requested
38 years of experience

Work completed by Connecticut Basement Systems, Inc., is warranted for lifetime of your home. Satisfaction is guaranteed and we assure prompt reply to all inquiries. Free estimates and financing are available. We've wowed over 30,000 customers since 1987. We have an A plus Better Business Bureau rating. Check us out for unbiased reviews and customer testimonials.

"Overall, working with the company was a good experience."

Marcy W on October 2024

Work completed by Connecticut Basement Systems, Inc., is warranted for lifetime of your home. Satisfaction is guaranteed and we assure prompt reply to all inquiries. Free estimates and financing are available. We've wowed over 30,000 customers since 1987. We have an A plus Better Business Bureau rating. Check us out for unbiased reviews and customer testimonials.

"Overall, working with the company was a good experience."

Marcy W on October 2024


Avatar for Vs Landscaping
Vs Landscaping
48 LINCOLN AVE
5.00(
3
)
Approved Pro
Vs Landscaping
48 LINCOLN AVE
5.00(
3
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
108 local quotes requested

Vs Landscaping where you will find high-quality and cost-effective Masonry Work Landscaping Services and Tree Services. our team has 20 years of personal experience and we are locally known for delivering great results.

"Luis did our paver patio and walkway recently. His team and he did a fantastic job! Luis showed up on time for every quote and discussion regarding the work. His quote was priced competitively and transparently so that it was easy to modify moving forward during the process. His team worked hard and efficiently - they even could work on Saturday. They took care of details to cover the disturbed soil with seeds and straws after finishing the paving. They also buried drain pipes for our gutter down sprouts to be redirected underneath the patio. Luis kept track of our project well, and his team and he are very understanding and easy to communicate in person. It would be better to schedule in-person discussions with Luis than texting/phone since he is involved in multiple projects and quite busy."

Dee R on July 2023

Vs Landscaping where you will find high-quality and cost-effective Masonry Work Landscaping Services and Tree Services. our team has 20 years of personal experience and we are locally known for delivering great results.

"Luis did our paver patio and walkway recently. His team and he did a fantastic job! Luis showed up on time for every quote and discussion regarding the work. His quote was priced competitively and transparently so that it was easy to modify moving forward during the process. His team worked hard and efficiently - they even could work on Saturday. They took care of details to cover the disturbed soil with seeds and straws after finishing the paving. They also buried drain pipes for our gutter down sprouts to be redirected underneath the patio. Luis kept track of our project well, and his team and he are very understanding and easy to communicate in person. It would be better to schedule in-person discussions with Luis than texting/phone since he is involved in multiple projects and quite busy."

Dee R on July 2023


Avatar for Concrete Impressions Concrete & Masonry LLC
Concrete Impressions Concrete & Masonry LLC
Newton
3.80(
10
)
Approved Pro
Concrete Impressions Concrete & Masonry LLC
Newton
3.80(
10
)
Approved Pro
Customers say: Terrific value
248 local quotes requested
32 years of experience

Concrete Impressions Concrete & Masonry is a family owned and operated company in Sparta, NJ with over 30 years of concrete experience. We provide full-service concrete and masonry work that leaves a lasting impression. When you come to us, we don’t just want to meet your expectations; our goal is to go above and beyond

"Excellent. Very professional"

Steven M on August 2024

Concrete Impressions Concrete & Masonry is a family owned and operated company in Sparta, NJ with over 30 years of concrete experience. We provide full-service concrete and masonry work that leaves a lasting impression. When you come to us, we don’t just want to meet your expectations; our goal is to go above and beyond

"Excellent. Very professional"

Steven M on August 2024

...
Showing 1-10 of 947

Foundation, basement or crawlspace waterproofing / encapsulations FAQs

Yes, crawl space encapsulation is a good investment. It improves your home's energy efficiency and air quality, boosting its value. With routine inspections and maintenance, encapsulation provides a long-lasting solution to moisture and pest issues. Regular check-ups protect your investment, enhance energy efficiency, and maintain your home's structural integrity. If your home is prone to pests or moisture seepage, encapsulating your crawl space is definitely worth it.

A vapor barrier is a thin sheet of plastic that prevents moisture from seeping into your crawl space, while insulation prevents unconditioned air from entering. Combining both insulation and a vapor barrier creates a dry, temperature-stable environment. Some insulation products serve both purposes, enhancing energy efficiency and protecting against moisture and temperature fluctuations.

The homeowners guide to foundation, basement or crawlspace waterproofing / encapsulations
From average costs to expert advice, get all the answers you need to get your job done.
A man digging out a french drain
Mar 31, 2025
Mar 31, 2025
Budget for French drain costs based on factors including square footage, accessibility, labor, location, landscape repairs, and more.
crawl space prepared for an encapsultion
Mar 20, 2025
Mar 20, 2025
Use this guide to budget for crawl space encapsulation cost factors such as crawl space size, prep, maintenance tasks, labor, and more.
Basement of house sealed against water damage
Feb 13, 2025
Feb 13, 2025
If you need to waterproof your basement, consider essential cost factors, including basement size, sealant type, home age, and more.
Empty basement with new concrete floor and white walls
Nov 15, 2024
Nov 15, 2024
Create a budget for your foundation or basement project by considering cost factors like labor, material, and demolition expenses.
drainage system being installed in trench in yard
Nov 26, 2024
Nov 26, 2024
Explore costs for French drains, catch basins, storm sewers, and trench drains with our yard drainage system installation cost guide.
raising the foundation of a home with a house lift
Sep 16, 2024
Sep 16, 2024
How much does it cost to raise a house? Discover how home size, structure, elevation, and labor costs impact your final price with our detailed guide.
Share project details to get started.