MD – MHIC #30160
DE – Contractor #2016101433
PA – Home Improvement Contractor #PA050730
VA – Class B Contractor #2705-061882
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Attention Maryland Homeowners… Don’t wait for the damage to spread. For nearly 40 years, BWN has protected area homes with permanent waterproofing solutions backed by a Lifetime Warranty. Book your free, no-pressure inspection now.
Stop the Water.
Protect Your Home. Guaranteed for Life.
Lifetime Transferable Warranty — Honoring Our First Since 1987
99.3% Customer Satisfaction | 55,000+ Homes Protected
No Subcontractors — Every Crew Member is BWN-Trained
Free Same-Day Inspections Available
Lifetime Transferable Warranty — Honoring Our First Since 1987
99.3% Customer Satisfaction | 55,000+ Homes Protected
99.3% Customer Satisfaction | 55,000+ Homes Protected
Rain Doesn’t Wait. Neither Should You.
Water damage gets worse by the hour. Mold can begin growing in as little as 24 hours. Every storm puts your foundation, belongings, and your family’s health at risk — until the problem is permanently fixed. If there’s water in your basement today, now is the time to act.
Three Steps to a Dry Basement — For Life.
Book your free, no-pressure inspection online or by phone. Same-day and next-day appointments available during storm events.
STEP 1: FREE ESTIMATE
Professional installation by BWN-trained crews (never subcontractors).
STEP 2: PROFESSIONAL INSTALLATION
Enjoy your basement space worry free backed by our lifetime transferable warranty.
STEP 3: DRY BASEMENT
Professional installation by BWN-trained crews (never subcontractors).
STEP 2: PROFESSIONAL INSTALLATION
Book your free, no-pressure inspection online or by phone. Same-day and next-day appointments available during storm events.
STEP 1: FREE ESTIMATE
Enjoy your basement space worry free backed by our lifetime transferable warranty.
STEP 3: DRY BASEMENT
"I highly recommend them for anything needed in your basement involving water — they are very nice and professional to work with, have excellent follow-up and, most importantly, really know what they're doing!"
"One of the best experiences I've had working with a service/repair company. Will and the crew were respectful, friendly, efficient, and highly skilled. They arrived on time, ensured the job was done right, and left my home spotless."
"Quality of work was excellent, made sure everything inside and outside was 100 percent cleaned up, kept me updated throughout the day. Definitely would recommend BWN to anyone looking for basement waterproofing."
“I highly recommend them for anything needed in your basement involving water — they are very nice and professional to work with, have excellent follow-up and, most importantly, really know what they’re doing!”
– Patrice M., Cockeysville, MD
“One of the best experiences I’ve had working with a service/repair company. Will and the crew were respectful, friendly, efficient, and highly skilled. They arrived on time, ensured the job was done right, and left my home spotless.”
– Renae Y., Temple Hills, MD
“Quality of work was excellent, made sure everything inside and outside was 100 percent cleaned up, kept me updated throughout the day. Definitely would recommend BWN to anyone looking for basement waterproofing.”
– Gary K., Abingdon, MD
Our team of experts is here for you. Get a callback in minutes.
Water in Your Basement Right Now?
Why 55,000+ Homeowners Choose BWN
SINCE 1987
Original company and team — still honoring our very first warranty.
LIFETIME WARRANTY
Transferable to new homeowners if you sell.
NO SUBCONTRACTORS
We recruit, hire, and train every crew member with BWN core values.
56+ METHODS & MATERIALS
Right solution, right price — never more than you need.
99.3% SATISFACTION RATE
Verified customer reviews across 55,000+ jobs.
2X BBB TORCH AWARD WINNER
First and only basement waterproofing company to win the BBB’s ethics award — and we won it twice.
Original company and team — still honoring our very first warranty.
SINCE 1987
LIFETIME WARRANTY
Transferable to new homeowners if you sell. A meaningful promise of performance.
NO SUBCONTRACTORS
We recruit, hire, and train every crew member with BWN core values.
We’re not locked into one product. Right solution, right price — never more than you need.
56+ METHODS & MATERIALS
99.3% SATISFACTION RATE
Established by verified customer reviews across 55,000+ jobs.
Established by verified customer reviews across 55,000+ jobs.
2X BBB TORCH AWARD WINNER
Basement Waterproofing Questions?
We Have Answers.
Join 55,000+ homeowners who sleep through the storm.
No obligation. No pressure. Lifetime Warranty on every installation.
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