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Foundation, basement or crawlspace waterproofing / encapsulation pros in Danbury

Avatar for A&A Waterproofing
A&A Waterproofing
290 Amity Rd
5.00(
9
)
Approved Pro
A&A Waterproofing
290 Amity Rd
5.00(
9
)
Approved Pro
20 years of experience
Free onsite estimate

A&A Waterproofing is a locally owned family company that 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. The main reason why we keep our five star rating is our finished product and customer service.

"Came to finish digging out trench to install footing drains around basement area of house. The guys finished the job in 1 day. So far no leaks into basement."

Dennis B on May 2025

A&A Waterproofing is a locally owned family company that 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. The main reason why we keep our five star rating is our finished product and customer service.

"Came to finish digging out trench to install footing drains around basement area of house. The guys finished the job in 1 day. So far no leaks into basement."

Dennis B on May 2025


Avatar for Groundworks
Groundworks
101 Powdered Metal Drive
5.00(
2
)
Approved Pro
Groundworks
101 Powdered Metal Drive
5.00(
2
)
Approved Pro
163 local quotes requested
Free onsite estimate

Groundworks provides dependable foundation repair, basement waterproofing, concrete lifting, and crawl space solutions for Connecticut homes. Our commitment enhances the value and safety of homes within our community.

"Aaron Lenker add Corbin Gillichbauer of Groundworks leveled concrete walks around my corner lot in Montoursville Pa. They arrived around noon time and were finished about 5 1/2 hours later. They did their work very professionally. They did an excellent job. I would rate their work 5 of 5 stars."

Don W on March 2025

Groundworks provides dependable foundation repair, basement waterproofing, concrete lifting, and crawl space solutions for Connecticut homes. Our commitment enhances the value and safety of homes within our community.

"Aaron Lenker add Corbin Gillichbauer of Groundworks leveled concrete walks around my corner lot in Montoursville Pa. They arrived around noon time and were finished about 5 1/2 hours later. They did their work very professionally. They did an excellent job. I would rate their work 5 of 5 stars."

Don W on March 2025


Avatar for Budget Dry Waterproofing, Inc.
Budget Dry Waterproofing, Inc.
158 Route 81
4.66(
182
)
Approved Pro
Budget Dry Waterproofing, Inc.
158 Route 81
4.66(
182
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
138 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.

"The contractor was professional. I felt the product was a good value. The quality of work was excellent. "

Robert B on June 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.

"The contractor was professional. I felt the product was a good value. The quality of work was excellent. "

Robert B on June 2025


Avatar for K.M Construction
K.M Construction
500 S Broad St
5.00(
7
)
Approved Pro
K.M Construction
500 S Broad St
5.00(
7
)
Approved Pro
Free onsite estimate
Emergency services offered

Because all of our work is guaranteed and we do work to a customer's 100% satisfaction

"Extremely professional and informative. Prompt and we’re able to get the job done with my tight budget. Highly recommend, great work!"

Alan O on June 2025

Because all of our work is guaranteed and we do work to a customer's 100% satisfaction

"Extremely professional and informative. Prompt and we’re able to get the job done with my tight budget. Highly recommend, great work!"

Alan O on June 2025


Avatar for Optimum Waterproofing and Construction
Optimum Waterproofing and Construction
80 Baruch Dr #6b
1.00(
1
)
Approved Pro
Optimum Waterproofing and Construction
80 Baruch Dr #6b
1.00(
1
)
Approved Pro
99 local quotes requested
9 years of experience

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.

"Get everything in writing. Take screenshots of contracts. Record all conversations. My basement is dry but cost more than triple the original estimate. "

john m on May 2025

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.

"Get everything in writing. Take screenshots of contracts. Record all conversations. My basement is dry but cost more than triple the original estimate. "

john m on May 2025


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
122 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


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 Bendaj Excavation
Bendaj Excavation
1101 Highland Ave
4.90(
10
)
Approved Pro
Bendaj Excavation
1101 Highland Ave
4.90(
10
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
885 local quotes requested

Hi there my name is Jurgen Bendaj l have 12 years experience in this business l do all type of construction like foundation excavation, digging the ground , ,level the ground , new roofing roofing repair , tree service, Stonewall , asphalt driveway , patio , concrete, concrete repair, chimney, gutters cleaning, basement ,waterproofing , French draining,

"Went well. They communicated with me. They were professional and on time."

Denise K on July 2024

Hi there my name is Jurgen Bendaj l have 12 years experience in this business l do all type of construction like foundation excavation, digging the ground , ,level the ground , new roofing roofing repair , tree service, Stonewall , asphalt driveway , patio , concrete, concrete repair, chimney, gutters cleaning, basement ,waterproofing , French draining,

"Went well. They communicated with me. They were professional and on time."

Denise K on July 2024


Avatar for Rivera Roofing and Construction Inc
Rivera Roofing and Construction Inc
28 Platt Street
5.00(
2
)
Approved Pro
Rivera Roofing and Construction Inc
28 Platt Street
5.00(
2
)
Approved Pro
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2344 local quotes requested

We have the experience and dedication to get the job done right! Specializing in roofing services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"Rivera Roofing did an exceptional job repairing my 15-year-old roof. They were quick, efficient, organized, and left everything spotless. A special thanks to Jose for his kindness and outstanding customer service throughout the process. Highly recommend any roofing needs!"

Nelson V on January 2025

We have the experience and dedication to get the job done right! Specializing in roofing services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"Rivera Roofing did an exceptional job repairing my 15-year-old roof. They were quick, efficient, organized, and left everything spotless. A special thanks to Jose for his kindness and outstanding customer service throughout the process. Highly recommend any roofing needs!"

Nelson V on January 2025

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FAQs for foundation, basement or crawlspace waterproofing / encapsulation projects in Danbury, CT

Standing water in your crawl space won’t disappear on its own. Keep the drainage clear, ensure the vents are working properly, and run a dehumidifier to control moisture levels. If dampness lingers, mold, wood rot, and foundation cracks can follow. Act quickly and call a pro to protect your home’s structure and indoor air quality.

Disinfecting a crawl space requires a methodical approach. First, clear all debris and remove old liners and insulation to eliminate contaminants. Then, apply a strong bleach solution or borate spray to eradicate mold spores and mildew. Ensuring complete surface coverage and allowing ample drying time establishes a sanitary environment and prevents future infestations.

A crawl space serves vital functions by providing access to essential systems, including electrical wiring, plumbing, and HVAC ducts. It also offers a buffer zone that aids in moisture control and protects underlying structural components. 

Yes, crawl space encapsulation is a worthwhile investment in protecting your home. Crawl space encapsulation locks out moisture, controls humidity, and blocks pests and harmful pollutants like radon gas. Those benefits boost indoor air quality and protect beams, joists, and insulation, giving your home long‑term structural stability and safeguarding your family’s health.

Prevention is the best way to keep water out of your crawl space. A dehumidifier and sump pump can help control moisture levels, but grading the landscape to redirect water away from the foundation is most important. Additionally, seal foundation cracks and install reliable drainage systems such as a French drain to maintain a consistently dry environment.

Yes, repairing your crawl space foundation is critical, regardless of how minor the issue may seem. Foundation problems arise from enduring moisture, water intrusion, and unstable soil, which can lead to significant structural damage if left unaddressed. Hiring a licensed structural engineer or foundation repair professional guarantees your home’s long-term stability and safety while preventing escalating repair costs.

The Danbury, CT 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.
clean crawlspace with insulation and wood beams under house
Jun 15, 2025
Jun 15, 2025
Budget for crawl space repair costs based on factors such as square footage, repair type, accessibility, cleaning, maintenance, labor, and more.
professional repairing the foundation of a home
Apr 24, 2025
Apr 24, 2025
Budget for foundation repair costs based on factors such as the extent of damage, house size, materials, labor, problem type, and more.
Empty basement with new concrete floor and white walls
Apr 21, 2025
Apr 21, 2025
If you’re planning to install a new foundation, check out budgeting and cost factors to consider.
raising the foundation of a home with a house lift
Apr 21, 2025
Apr 21, 2025
Learn how much it costs to raise a house. Explore how factors like the house size, structure, age, landscaping, and labor rates affect the price.
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.
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