Top-Rated Waterproofing Pros Near You in Portland, OR

Caldwell Roof Restoration

Our Approach Customer service and high quality installation is of utmost importance to us. We stand behind everything we produce. We treat your property as if it were our property. Our Story As a group with well over 40 years of experience in the roofing industry in Portland, we have the knowledge and ability to solve your roofing problems, large and small. We have worked in all facets of the roofing industry from apprentices to journeymen, foremen, project managers, estimators, general managers and in

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Arrow Roofing & Sheet Metal, Inc.

Arrow Roofing & Sheet Metal, Inc.’s management team has over 68+ years of experience and trade knowledge in the roofing and waterproofing industry as installers, supervisors, managers and owners. The knowledge we have gained throughout these years of service allows us to expertly diagnose and correct virtually all roof related problems. We are dedicated to providing our clients, with only the finest products and service available for whatever your needs are; whether it’s a repair, maintenance of your roofin

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Northwest Waterproofing LLC

Northwest Waterproofing was the brainchild of Brad Dowers. As a third generation waterproofer, Brad knows waterproofing. When he set out on his own to make his mark in this industry his goal was simple: become the best specialty contractor in the Northwest in commercial and residential waterproofing. He has cultivated a strong sense of professionalism. NWWP places value on clear communication and guarantees the integrity of each finished waterproofing system. NWWP provides a wide selection of services from

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Ability Plus Drainage Co

The Affordable Connection to Drainage Problems! 25 employees. Uses subs for plumbing, electrical work, concrete work, gutters and downspouts. Cost is determined by the job. License #106644.

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All Service Construction & Maintenance

All Service Construction and Maintenance is your one-stop shop for quality repairs, maintenance, and improvements for your home or business. We specialize in finish and rough carpentry, deck repairs or replacement, dry rot repairs, door and window installation, waterproofing, drywall and plaster repairs, and painting. We cover a wide spectrum of services, from the foundation to the roof. In our 20 years of service in the Portland Metro area, we have built a reputation for outstanding workmanship and reli

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Masonry Waterproofing & Drainage Masters LLC

We are a full service foundation and basement waterproofing company that performs a wide variety of repairs. We repair foundations, and lots of basements, fixing cracks, deterioration, resurfacing, and waterproofing. We do general masonry, including brick repair. We help with drainage problems, install French drains, as well as crawlspace drainage options to get water out from under homes. We repair chimneys, including tuck-pointing (new mortar), flashing, caps, dampers, and water sealing. .We also do all w

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Fosstar Enterprises
Woman OwnedWoman Owned

Call us at 361-673-3633 if you have any questions or would like to schedule an Estimate! At Fosstar Enterprises, we take great pride in our experience, expertise, quality and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. O

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All-Ways on the Level Residential Remodeling

Family owned and operated, we perform all levels of design, building, and remodeling services. We offer start-to-finish solutions for every home remodeling project. We also offer full design services. We specialize in many aspects of home improvement. Some of those specialties include interior and exterior home renovations, including bathroom and kitchen remodeling, home additions, garages and more! We guarantee high-quality construction for each and every project. Check out samples of our recent work,

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M D INSPECTIONS LLC
Armadas Exterior
(*)(*)(*)(*)(*)4.9 (139 Reviews)

Waterproofing FAQs

The cost for waterproofing services can vary widely depending on the scope of the project and the method used. On average, homeowners in the U.S. spend between $2,000 and $7,000 for professional waterproofing services. Here’s a breakdown of common services:

  • Basement Waterproofing: $3,000 to $10,000, depending on whether exterior or interior systems are used.
  • Foundation Crack Repair: $500 to $4,000, depending on the size and extent of damage.
  • Crawl Space Encapsulation: $1,500 to $15,000, based on the size of your crawl space.
  • Exterior Waterproofing: Starting at $5,000 and can go up to $20,000.

It’s important to have an inspection done to get an accurate estimate tailored to your specific needs.

Signs that your home might need waterproofing include:

  • Wet or damp basement walls or floors;
  • Musty odors in the basement or crawl space;
  • Visible mold or mildew growth;
  • Standing water around the foundation after heavy rains;
  • Peeling paint or efflorescence (white, chalky residue) on walls;
  • Cracks in the foundation or walls.

If you notice any of these symptoms, it’s a great idea to schedule an assessment with a waterproofing professional to avoid more severe damage in the future.

In many cases, waterproofing services are not covered by standard homeowners insurance policies. Insurance generally covers damage caused by sudden and accidental events, like a burst pipe, but not damage from gradual issues like foundation leaks. However, if flood damage is an issue in your Portland home, you may want to look into a separate flood insurance policy. Be sure to check with your insurance provider to understand your coverage and plan accordingly.

Waterproofing Pros offer a wide range of services designed to protect your home from water damage. These include:

  • Basement waterproofing: Both interior and exterior systems.
  • Foundation repair: Crack injection, structural repairs, and sealing.
  • Crawl space encapsulation: Moisture barriers and drainage systems.
  • Sump pump installation and repair: Keeping basements and crawl spaces dry.
  • Exterior waterproofing: Protecting the foundation from the outside.

They also offer inspections and consultations to recommend the best waterproofing solutions for your home.

The timeline for waterproofing depends on the scope and complexity of the project:

  • Basement waterproofing or interior systems: Typically 1–3 days.
  • Foundation crack repairs: Can be completed in 3–8 hours for minor cracks.
  • Crawl space encapsulation: Most jobs are completed in 1–4 days.
  • Exterior waterproofing: May take 3–10 days due to excavation and additional labor.

Your waterproofing contractor will provide a timeline during your consultation, taking into account the size and specific needs of your home.

To choose the right waterproofing contractor, ask the following questions:

  1. Are you licensed and insured? 🛠️
  2. What warranty do you offer for your services?
  3. Do you have references or reviews I can see?
  4. What methods do you recommend for my home's waterproofing issues, and why?
  5. Does your quote include all materials, labor, and cleanup costs?

Getting clear answers ensures you’re working with a reputable company and staying informed about the process.

Most waterproofing work is minimally disruptive, though the level of disruption depends on the type of project:

  • Interior waterproofing systems involve working inside the home, which may limit access to certain areas for 1–3 days.
  • Exterior waterproofing requires excavation around your foundation, which can be more disruptive to landscaping but doesn’t impact the home’s interior.
  • Crawl space encapsulation usually affects your crawl space access but won’t interfere much with daily life.

Your contractor will let you know exactly what to expect and how to prepare for the work.

Permit requirements for waterproofing projects vary by city and state. In some areas, exterior waterproofing or significant foundation repairs may require permits. For homeowners in Portland, it’s essential to check with your local building department to determine what’s needed. A reputable company like Waterproofing Pros will often handle the permitting process for you. For detailed codes and regulations, visit your city's website or check out the International Code Council's FAQ.

While no solution can guarantee 100% waterproofing forever, many professional systems are long-lasting and highly effective. For example:

  • Interior systems often come with lifetime warranties against water intrusion into basements.
  • Exterior waterproofing can last decades when properly installed.
  • Crawl space encapsulation effectively prevents moisture issues for years with proper maintenance.

It’s crucial to maintain your waterproofing system (e.g., servicing sump pumps regularly) and address any new issues promptly to ensure the longevity of the solution.

Be cautious of these warning signs:

  • Lack of licensing or insurance: Always ask for proof.
  • High-pressure sales tactics: Reputable companies will give you time to make decisions.
  • Vague quotes: Ensure everything is itemized, including labor, materials, and cleanup.
  • No warranty offered: A reliable waterproofing solution should come with a warranty.
  • Poor reviews or no references: Look for a history of satisfied customers.

Taking the time to vet your contractor minimizes risks and ensures you get quality service.

Reviews for Waterproofing Pros

Quick Basement Fix, No Stress
Our basement started flooding after heavy rains, and we were panicking about long-term damage. Waterproofing Pros sent an expert out the next day who found the issue and installed a sump pump that afternoon. The peace of mind was priceless, and it cost less than we'd feared!
Lisa R.
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Home Sale Saved with Fast Waterproofing
Huge rainstorms exposed a leaking foundation in our old Denver home, and we worried about mold risk. Waterproofing Pros assessed everything within 24 hours and sealed the area fully in two days. Now we’re dry, safe, and saved over $800 compared to other bids!
Marcus T.
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Foundation Saved, Money Saved
Huge rainstorms exposed a leaking foundation in our old Denver home, and we worried about mold risk. Waterproofing Pros assessed everything within 24 hours and sealed the area fully in two days. Now we’re dry, safe, and saved over $800 compared to other bids!
Anna K.
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Maria VierraEditor

Maria Vierra is the lead designer at Vierra Fine Homes, bringing over two decades of experience in high-end residential design and construction. Her expertise and attention to detail ensure every project meets the highest standards of excellence, blending functionality with aesthetic appeal.

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Brett TaylorAuthor

Brett Taylor is the co-founder of The Builder Market and a visionary entrepreneur in the home services and construction industries. With a passion for innovation, Brett has played a pivotal role in revolutionizing how professionals and homeowners connect and collaborate.

This page was last updated on Nov 28, 2025, 11:24:56 AM