Basement waterproofing done right the first time.

Backed by 13 patented products and a team of industry experts.

Currently booking installs 28 days out.

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Proudly servicing New Hampshire,
Maine, and Massachusetts

603 Basement Solutions is the #1 basement waterproofing and crawlspace services company in NH. Our installation team has successfully completed over 300 Waterproofing and crawlspace jobs. We prioritize quality over quantity and make sure every customer is heard and responded too. If you are looking for a team that isn't going to treat you like another number, we are just a phone call away. Call us for any of the following services, our team is qualified, insured, and eager to work with you.

BASEMENT WATERPROOFING

Water in your basement can lead to major repair costs, ask us about our forever dry system.

BASEMENT FINISHING

Finishing your basement is a great way to increase the value of your home.

CRAWL SPACE REPAIR

An unhealthy Crawl Space can cause your family to get sick and will rot your house from the inside out. It's best to not leave them unchecked.

INSULATION SERVICES

Spray foam insulation is the most reliable and cost efficient way to increase the energy rating and health of your home.

FOUNDATION REPAIR

Foundation problems can affect the safety, value, and appearance of your home.