“After another company failed to fix my exterior basement waterproofing issue, I called Three Brothers Waterproofing. They arrived promptly and did a fantastic job.”
Robert H.
The moment you require exterior basement waterproofing in Portland, Three Brothers Waterproofing is the go-to team across Cumberland County. Our crews know the humid continental conditions here - warm summers and year-round precipitation - and how they impact exterior basement waterproofing for homes near South Portland and Westbrook. We show up fully equipped, pinpoint the real issue, and confirm a flat rate before any work begins, covering all 12 ZIP codes in Portland.
Exterior basement waterproofing includes the installation of drainage systems, waterproof membranes, and soil grading adjustments that redirect water away from your foundation. Given the snowy winters and humid summers typical in Portland, these measures are essential for maintaining a dry basement and preventing structural damage. We utilize high-quality materials and advanced techniques to safeguard your property from moisture.
Initially, our team conducts a comprehensive inspection of your property to identify vulnerabilities and water entry points. After discussing our findings with you and outlining the recommended solutions, we will begin the waterproofing process, ensuring each task is completed with precision and care. Our goal is to minimize any disruption while providing effective solutions to keep your basement dry.
Every exterior waterproofing project comes with a flat-rate written quote to ensure transparency and affordability. Backed by our workmanship guarantee, you can trust that the solutions we provide will stand the test of time. For exceptional exterior basement waterproofing in Portland, rely on Three Brothers Waterproofing to protect your home from the elements.
What exterior basement waterproofing in Portland, ME includes
- Excavation for foundation access
- Installation of drainage tiles
- Application of waterproof sealants
- Soil grading and recontouring
- Sump pump placement
- Repair of exterior wall cracks
Exterior basement waterproofing FAQs
How fast can you provide exterior basement waterproofing in Portland?
Most Portland calls are scheduled the same day, with 24/7 emergency response across Cumberland County.
How much does exterior basement waterproofing cost in Portland?
We quote a flat rate up front - typically in the range shown below - and you approve it before we begin.
(Why Portland Chooses Us)
Why Portland trusts us for exterior basement waterproofing
Local accountability across Cumberland County.
Code-Compliant
Versed in Cumberland County and Maine basement waterproofing codes.
Same-Day Service
Most Portland calls reached within the hour.
Upfront Pricing
Flat-rate quotes before any work begins.
Licensed & Insured
Maine-licensed pros on every Portland job.
Locally Owned
Serving our southwest Maine neighbors, not a call center.
Guaranteed Work
Written workmanship guarantee on every Portland job.
(Service Area)
Coverage across Portland & Cumberland County
Communities we serve near Portland
South PortlandWestbrookFalmouth ForesideCumberland CenterSouth WindhamLittle FallsCousins IslandLittlejohn IslandDunstanNorth WindhamSacoBiddeford
ZIP codes we cover in Portland
041010410204103041080410904019041040411204116041220412304124
Nearby cities
(Reviews)
What Portland Customers Say
“I received an honest quote for emergency basement flooding repair without any upsell tactics. They provided excellent service.”
Tyler B.
“I had a basement leak repair job that needed quick attention. The crew was professional and neat, leaving no mess behind.”
Priya R.
(More Services)
Other services in Portland, ME
Foundation crack repair
Get same-day foundation crack repair in Portland, handled by certified local crews who understand Cumberland County. Our team specializes in identifying and fixing issues before they escalate, ensuring your foundation remains stable and secure. With a focus on quality, we provide a detailed assessment and a flat-rate written quote that covers all necessary work to restore your foundation's integrity.
Interior basement waterproofing
Experience fast interior basement waterproofing in Portland, provided by licensed professionals who understand Cumberland County. Our team employs advanced techniques to keep your basement dry, ensuring a safe environment. With a commitment to quality, we assess your unique situation and offer a flat-rate written quote that outlines our waterproofing solutions.
Basement leak repair
Fast basement leak repair in Portland, handled by licensed teams who know Cumberland County. We address leaks promptly to prevent water damage and maintain the integrity of your property. Our professional approach includes a thorough inspection and a flat-rate written quote to confirm the necessary repairs.
Emergency basement flooding
Fast emergency basement flooding services in Portland, implemented by licensed professionals who know Cumberland County. Our dedicated team is well-prepared to tackle urgent flooding situations, ensuring your basement is restored quickly to prevent further damage. We provide a thorough assessment and a flat-rate written quote for the necessary services.
Need Basement Waterproofing in Portland Today?
Call now for fast, licensed basement waterproofing anywhere in Portland and Cumberland County.
Call (844) 516-0132