New Haven, Connecticut

Top Waterproofing Contractors in New Haven

Waterproofing contractors protect buildings from water intrusion through basement sealing, foundation coatings, drainage systems, and moisture barriers. US waterproofing work must comply with ICC building codes for below-grade moisture protection and local stormwater management requirements. Serving all areas of New Haven and surrounding Connecticut regions.

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100+

Waterproofing Contractors in New Haven

4.8★

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< 4 hrs

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$45–120 / hr

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Verified Waterproofing Contractors in New Haven

All contractors are verified, reviewed, and ready to bid on your project.

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Verified

Liberty Construction Co.

New Haven, Connecticut
4.9(87)156 jobs
Basement WaterproofingView Profile
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Verified

Eagle Build Services

New Haven, Connecticut
4.7(52)93 jobs
Foundation SealingView Profile
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Verified

All-American Contractors

New Haven, Connecticut
4.6(34)61 jobs
French DrainsView Profile
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New Haven Home Solutions

New Haven, Connecticut
4.5(28)44 jobs
Sump Pump InstallationView Profile
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Verified

Patriot Pro Builders

New Haven, Connecticut
4.8(71)118 jobs
Exterior Membrane SystemsView Profile
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Pinnacle Construction

New Haven, Connecticut
4.4(19)32 jobs
Basement WaterproofingView Profile

Waterproofing Services in New Haven

Basement Waterproofing
Foundation Sealing
French Drains
Sump Pump Installation
Exterior Membrane Systems
Mold Prevention

Waterproofing Contractors in Other Cities of Connecticut

FAQs

How much does basement waterproofing cost in New Haven?

Basement waterproofing in New Haven costs $5–15/sqft depending on the method. Interior sealants are the most affordable at $1,500–4,000, while exterior excavation and membrane systems run $8,000–25,000 for a full perimeter.

What are signs I need waterproofing in New Haven?

Watch for damp or musty smells in your basement, visible water stains on walls, efflorescence (white mineral deposits), cracks in foundation walls, pooling water after rain, and mold growth. In New Haven, seasonal weather patterns can worsen these issues.

Do waterproofing contractors in New Haven need a license?

Most jurisdictions in New Haven require waterproofing contractors to hold a general contractor or specialty license. They should also carry liability insurance and offer warranties on their work — typically 10–25 years for foundation waterproofing.

How do I find a waterproofing contractor in New Haven?

Compare verified waterproofing contractors on Biddaro in New Haven. Check their warranty terms, read customer reviews, verify licensing, and get at least 3 quotes before committing to a project.

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