“I received an honest and straightforward emergency basement flooding quote with no hidden fees - highly recommend!”
Sam O.
If you need exterior basement waterproofing in Longmont, Three Brothers Waterproofing is the go-to team throughout Boulder County. Our crews know the semi-arid highland conditions here - warm, dry summers and low to moderate precipitation - and how they impact exterior basement waterproofing for homes near Niwot and Mead. We show up fully equipped, pinpoint the real issue, and quote a flat rate before any work begins, covering all 3 ZIP codes in Longmont.
Exterior basement waterproofing involves several critical steps designed to keep your foundation dry. We typically excavate around the perimeter of your basement to apply protective membranes and drain tiles that channel water away. This method is particularly effective in combating the moisture issues prevalent in Boulder County, especially during heavy rain or rapid snowmelt.
Our process starts with a thorough assessment of your home's exterior. Our team will communicate every step, ensuring you understand the methods we will employ. Once the work begins, we focus on efficiency and quality, working in a manner that respects your property.
After we complete the waterproofing, you'll receive a detailed flat-rate written quote that outlines the work performed and our guarantee on workmanship. This commitment allows homeowners in Longmont to feel confident in our ability to protect their basements against water damage effectively. Trust us to safeguard your home with our expert exterior basement waterproofing solutions.
What exterior basement waterproofing in Longmont, CO includes
- Excavation around the foundation
- Waterproof membrane application
- Drainage system installation
- Backfill and grading
- Surface sealing
- Complete inspection
Exterior basement waterproofing FAQs
How fast can you provide exterior basement waterproofing in Longmont?
Most Longmont calls are scheduled the same day, with 24/7 emergency response across Boulder County.
How much does exterior basement waterproofing cost in Longmont?
We quote a flat rate up front - typically in the range shown below - and you approve it before we begin.
(Why Longmont Chooses Us)
Why Longmont trusts us for exterior basement waterproofing
Local accountability across Boulder County.
Code-Compliant
Versed in Boulder County and Colorado basement waterproofing codes.
Same-Day Service
Most Longmont calls reached within the hour.
Upfront Pricing
Flat-rate quotes before any work begins.
Licensed & Insured
Colorado-licensed pros on every Longmont job.
Locally Owned
Serving our northern Colorado neighbors, not a call center.
Guaranteed Work
Written workmanship guarantee on every Longmont job.
(Service Area)
Coverage across Longmont & Boulder County
Communities we serve near Longmont
NiwotMeadFirestoneFrederickLeynerGunbarrelErieLyonsBerthoudAltonaValmontDacono
ZIP codes we cover in Longmont
805018050380504
Nearby cities
(Reviews)
What Longmont Customers Say
“I had an urgent foundation crack repair in Longmont and Three Brothers Waterproofing showed up within the hour, fixed the issue quickly, and my basement is now safe and dry.”
Marcus T.
“As a repeat customer, I trust Three Brothers Waterproofing for my foundation crack repair; they have always provided excellent service.”
Aisha M.
(More Services)
Other services in Longmont, CO
Foundation crack repair
Same-day Foundation crack repair in Longmont, handled by certified local crews who understand Boulder County. Our specialists are adept at addressing the unique foundation challenges posed by Colorado's semi-arid climate. With fluctuating temperatures and moisture levels, it's essential to tackle cracks early. We provide a flat-rate written quote for every project, ensuring you know exactly what to expect before we begin any work.
Interior basement waterproofing
Fast Interior basement waterproofing in Longmont, carried out by licensed local crews who understand Boulder County. Our team specializes in creating effective waterproofing solutions that protect your home from the Colorado climate. With a focus on preventing moisture buildup, we provide a flat-rate quote before starting any project, ensuring peace of mind for all homeowners.
Basement leak repair
Fast Basement leak repair in Longmont, handled by licensed local crews who understand Boulder County. Our team is trained to identify and rectify leaks swiftly, ensuring your basement remains dry even with Colorado's unpredictable weather. We provide a flat-rate written quote before starting any repairs, so you always know what you're getting.
Emergency basement flooding
Reliable Emergency basement flooding in Longmont, carried out by licensed local crews who understand Boulder County. Our rapid response team is available 24/7 to address water emergencies and prevent lasting damage to your property. We offer a flat-rate written quote before we begin any work, providing transparency and peace of mind.
Need Basement Waterproofing in Longmont Today?
Call now for fast, licensed basement waterproofing anywhere in Longmont and Boulder County.
Call (844) 516-0132