Get matched with the best Basement Waterproofing pros in Portland, ME

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Warren B Landscaping and Construction LLC Company - Basement Waterproofing in Naples, ME

Warren B Landscaping And Construction LLC Company

★ ★ ★ ★ ★ 4.7 (14 reviews)

Naples, ME

2 projects

Warren B Landscaping and Construction LLC is a general contractor located in Naples, ME, serving all of Cumberland County. We specialize in renovations, remodels, and interior painting, offering a com...

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Joe's Home Improvement - Basement Waterproofing in Sanford, ME

Joe's Home Improvement

★ ★ ★ ★ ★ 4.7 (10 reviews)

Sanford, ME 04073

4 projects

Joe's Home Improvement is a licensed general contractor specializing in residential construction. We expertly build new homes, additions, and garages, and provide comprehensive remodeling services for...

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ACE Group - Accurate Construction / Excavation - Basement Waterproofing in Lebanon, ME

ACE Group - Accurate Construction / Excavation

★ ★ ★ ★ ★ 4.7 (9 reviews)

Lebanon, ME 04027

1 project

ACE Group GC LLC is a premier General Contractor specializing in construction and excavation. Committed to excellence, we self-perform our projects with meticulous attention to detail and a focus on q...

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Mid State Foundation Restoration

★ ★ ★ ★ ★ 4.6 (8 reviews)

Wales, ME 04240

Mid State Foundation Restoration, located in Wales, ME, specializes in comprehensive foundation repair and restoration services. Our expert team is dedicated to providing reliable solutions that enhan...

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Maine Restorations

★ ★ ★ ★ ★ 4.7 (7 reviews)

Gray, ME 04039

Maine Restorations, located in Gray, ME, specializes in high-quality restoration services for homes and businesses. Our dedicated team is committed to revitalizing properties with precision and care,...

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Crux Homes LLC - Basement Waterproofing in Whitefield, ME

Crux Homes LLC

★ ★ ★ ★ ★ 4.8 (5 reviews)

Whitefield, ME 04353

4 projects

Crux Homes LLC is a dedicated general contractor focused on delivering high-quality, sustainable homes. Our mission is to make eco-friendly living attainable by enhancing building performance while mi...

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Bartow Construction Inc - Basement Waterproofing in Oxford, ME

Bartow Construction Inc

★ ★ ★ ★ ★ 4.5 (4 reviews)

Oxford, ME 04270

4 projects

Bartow Construction Inc. transforms visions into reality through skilled craftsmanship and quality materials. We partner with clients who appreciate creativity and value our expertise. Committed to ho...

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Verified Reviews for Basement Waterproofing pros in Portland, ME

*The Growcycle rating for Basement Waterproofing companies in Portland, ME is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.

Last update on July 10, 2026

Jessica Wilson

Reviewed in October 2025

Mid State Foundation Restoration transformed my home’s foundation. Their dedication and thoroughness made a huge difference. I can’t recommend them enough!

Mid State Foundation Restoration Request a quote

David Martinez

Reviewed in September 2025

From start to finish, the process was smooth and stress-free. Every detail was handled professionally. I love my new space and would recommend them!

Crux Homes LLC Request a quote

Vincent Carter

Reviewed in May 2025

I had a fantastic experience with Ace Group - Accurate Construction / Excavation. Their attention to detail made my home remodel perfect!

ACE Group - Accurate Construction / Excavation Request a quote

Bobby Mitchell

Reviewed in April 2025

I recently had my bathroom remodeled and the results exceeded my expectations. Joe's Home Improvement was professional and attentive throughout the process.

Joe's Home Improvement Request a quote

Angela Kerr

Reviewed in January 2026

Warren B Landscaping And Construction Llc Company did an amazing job on our kitchen remodel. The team was professional and delivered on time. Highly recommended!

Warren B Landscaping and Construction LLC Company Request a quote

Cost Guide

How much does Basement Waterproofing cost in Portland, ME?

Typical basement waterproofing projects in Portland, ME range from $1,000 to $10,000, with most homeowners paying around $4,500.

$1,000

$4,500 Typical cost in Portland, ME

$10,000

LOWHIGH

Prices vary by project scope, materials, and local labor rates.

Per Sq Ft $5–$15

Per Project $1,000–$10,000

Per Linear Foot $10–$30

Last updated: April 2026

Basement waterproofing services in Portland, ME typically cost between $1,000 and $10,000, with an average price around $4,500. The costs can vary based on the extent of waterproofing needed, the size of the basement, and the methods used.

Contractors in Portland generally charge $100 to $200 per hour for labor, and it's crucial to check with the City of Portland's Codes and Standards Division for any relevant permits, which may add to the overall cost.

When comparing basement waterproofing quotes in Portland, look for detailed assessments that specify the methods and materials to be used; this transparency helps ensure quality work.

What affects the cost in Portland, ME?

Portland Labor Rates

Licensed waterproofing contractors in Portland charge $100–$200/hr. Rates may vary depending on the contractor's experience and the complexity of the job.

Permits & Inspections

Most basement waterproofing projects in Portland require permits from the City of Portland's Codes and Standards Division. Permit costs can range from $50 to several hundred dollars.

Material Selection & Quality

The choice of waterproofing materials can affect the project cost by 10–25%. Higher quality materials may provide better long-term results.

Seasonal Demand & Scheduling

Spring is a common time for basement waterproofing in Portland, as homeowners prepare for the rainy season. Scheduling in the off-peak months can lead to better pricing.

Frequently Asked Questions About Basement Waterproofing in Portland, ME

How can I choose a reliable basement waterproofing contractor in Portland?

Choosing a reliable basement waterproofing contractor in Portland involves careful research and consideration. Start by seeking referrals from friends or family who have had similar work done. Look for contractors with experience in waterproofing and positive customer reviews. Ensure they are licensed and insured, which provides protection in case of any accidents during the project. When interviewing potential contractors, ask about their methods, warranties, and experience with local building codes. Request quotes from multiple contractors to compare pricing and services. A trustworthy contractor will provide clear communication and a detailed plan for your waterproofing needs.

How long does the basement waterproofing process take?

The duration of the basement waterproofing process in Portland can vary depending on the method used and the extent of the issues being addressed. For interior waterproofing, the process may take a few days, while exterior waterproofing can require more time due to excavation and installation of drainage systems. Typically, a comprehensive waterproofing job might take anywhere from several days to a week to complete, including drying time for materials used. It’s essential to consult with a professional who can provide a more accurate timeline based on your specific situation and needs.

Is basement waterproofing worth the investment in Portland?

Investing in basement waterproofing in Portland is often worth it, especially considering the potential risks associated with moisture intrusion. A dry basement can improve your home's overall value and livability, as well as protect your belongings from water damage. Moreover, waterproofing can prevent mold growth and enhance air quality, which is particularly important for families with allergies or respiratory issues. While the initial cost may seem significant, the long-term benefits, including reduced repair costs and increased home value, make it a prudent investment for homeowners looking to safeguard their property.

What are the common signs that my basement needs waterproofing in Portland?

Common signs that your basement may need waterproofing in Portland include visible water stains on walls or floors, a musty odor, and the presence of mold or mildew. If you notice that your basement feels damp or humid, especially after heavy rain, this could indicate water intrusion. Cracks in the foundation or walls are also significant indicators, as they may allow water to seep in. Additionally, if you find standing water or puddles in your basement, it’s crucial to address the issue promptly, as prolonged moisture exposure can lead to structural damage and health concerns.

What methods are available for basement waterproofing in Portland?

In Portland, several methods are commonly used for basement waterproofing. Interior waterproofing involves applying sealants or coatings to basement walls and floors to prevent moisture from seeping in. Exterior waterproofing, on the other hand, requires excavating around the foundation to apply a waterproof membrane. Drainage systems, such as French drains, can also be installed to redirect water away from the basement. Additionally, sump pumps are often used to remove any water that may accumulate in the basement. A professional waterproofing contractor can assess your specific situation and recommend the best approach for your home.

Common Basement Waterproofing services and their costs

Typical pricing in Portland, ME by service type.

Internal Waterproofing Solutions

Methods to protect the interior

Method	Cost Range
Interior Drainage System Installation of a drainage system within the basement.	$1,500–$5,000
Sealant Application Application of waterproof sealants on basement walls.	$1,000–$3,000
Sump Pump Installation Installing a sump pump to manage water accumulation.	$2,000–$4,000
Crawl Space Encapsulation Sealing off crawl spaces to prevent moisture entry.	$1,500–$3,500

External Waterproofing Solutions

Methods to protect the outside

Method	Cost Range
French Drain Installation Installing a French drain to redirect water.	$2,000–$6,000
Excavation & Grading Excavating around the foundation for better drainage.	$3,000–$10,000
Waterproofing Membrane Applying waterproof membranes to the exterior.	$2,500–$7,500
Foundation Repair Repairing cracks and structural issues in the foundation.	$1,500–$5,000

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Price ranges are estimates compiled from publicly available data and may vary with project scope.

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Get matched with the best Basement Waterproofing pros in Portland, ME

Which of the following best matches your project?

Warren B Landscaping And Construction LLC Company

Joe's Home Improvement

ACE Group - Accurate Construction / Excavation

Mid State Foundation Restoration

Maine Restorations

Crux Homes LLC

Bartow Construction Inc

Verified Reviews for Basement Waterproofing pros in Portland, ME

Jessica Wilson

David Martinez

Vincent Carter

Bobby Mitchell

Angela Kerr

How much does Basement Waterproofing cost in Portland, ME?

What affects the cost in Portland, ME?

Frequently Asked Questions About Basement Waterproofing in Portland, ME

Common Basement Waterproofing services and their costs

Internal Waterproofing Solutions

External Waterproofing Solutions

Find Basement Waterproofing Pros in other cities near you

Related services for your Basement Waterproofing project

Find Pros for other jobs in Portland