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Basement waterproofing done right the first time.

Backed by 13 patented products and a team of industry experts.
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Jake Kapper
Jake Kapper
603 Basement Solutions Customer

Really professional guys from the quote to the install, not a single complaint.

Mark Brooks
Mark Brooks
603 Basement Solutions Customer

Excellent company! Couldn’t be happier with my choice. No hidden charges, very candid conversations about the problem and a great solution.

Ronald Powell
Ronald Powell
603 Basement Solutions Customer

Got 3 quotes in total, these guys tailored their approach to my specific problem and built a solution that solved it. Other company didn’t even listen when I talked.

Dan Reynolds
Dan Reynolds
603 Basement Solutions Customer

Short and easy process, happy with how it came out.

John Bell
John Bell
603 Basement Solutions Customer

Reviews didn’t lie, these guys are good at what they do.

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100% guaranteed to be dry for life.

Forever Dry System™

Enjoy Your Basement for Life with Our Patented Forever Dry System

The 603 Forever Dry system consists of a full perimeter drainage system, one 1/2hp Sump Pump per 120ft of drainage, vapor barrier on the walls and a dehumidifier. With this system we 100% guarantee you stay dry or we come back free of charge.

Also, if you plan to sell your home within your lifetime, this warranty is transferable to the next homeowner which will help you sell for more money! Who doesn’t love that?

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PROUDLY SERVICING NEW HAMPSHIRE, MAINE, AND MASSACHUSETTS

Become another one of our happy clients. Our team is qualified, insured, and eager to work with you to build your dream home for your family for years to come.

Our Services

What We Do

603 Basement Solutions is the #1 basement waterproofing and crawlspace services company in NH. Our installation teams all have 5+ years of experience and have completed thousands of jobs just like yours. We prioritize quality over quantity and make sure every customer is heard and responded to. If you are looking for a team that isn't going to treat you like another number, we would be happy to give you an estimate free of charge.

Basement Waterproofing

Ask about our Forever Dry System which guarantees your home stays dry.

Basement Finishing

Double the space in your home by finishing with the best team in NH.

CrawlSpace Services

Don’t Hate - Encapsulate, OR Dehumidify and Replace Support Beams.

Radon Mitigation Systems

Radon Gasses cause a slew of issues, ask for our free testing!

Egress Windows

Just in case you need to jump out a basement window in a hurry.

Foundation Crack Repair

When a full system is out of budget fill the crack and don’t look back.

Sump Pump & Drainage System Maintenance

When you just can't risk a flood, call us to assure you're protected.

Dehumidification & Air Purifcation Systems

Our Air is our Life, take care of it.
WORKING WITH 603 BASEMENT SOLUTIONS

Building Your Dream Future Home Basement Crawl Space

Created to change the way contracting is done.

We believe the level of quality and care in the construction industry has slipped to a disgusting level and we are determined to raise it back up. We pride ourselves in our communication skills, our standards for quality, and just plain caring more. We truly believe that doing great work should not cost extra. So if you want to be treated like a real person with real unique needs, look no further. We are here.

2,000+ JOBS

Completed

BACKED BY 13

Patented Products

5 STARS

Better Business Bureau

4.9 STAR

Google Reviews

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