Get matched with top basement waterproofing pros in Flagstaff, AZ

Q: Is it worth it to repair a crawl space foundation?

• <div><p>Yes, it&rsquo;s worth it to repair a crawl space foundation, even if the issue seems relatively minor. Foundation problems often get worse and more expensive to fix if you leave them untreated. Additionally, your entire home, from the framing and flooring to the roof system, relies on the foundation for even and level support. Issues with your foundation will almost always manifest as problems in and above your living space, so it&rsquo;s important to find a solution.</p></div>

Q: What are signs of a moisture problem in the bathroom?

• <div><p>Mold growth is just one common sign of excess moisture in the bathroom. You may also see the paint in the room start to peel away from the walls, or that the walls remain wet for some time after you bathe.</p><p>Condensation on the windows is another sign that your bathroom has a potential moisture problem. The room itself may start to smell like mildew.</p></div>

Q: How do I maintain a raised foundation?

• <div><p>Regular inspections, proper drainage management, and ensuring soil stability help prevent future settlement issues.</p></div>

Q: What are the downsides to crawl space encapsulation?

• <div><p>The primary downside to crawl space encapsulation is the high cost, which can be several thousand dollars. Additionally, the process can make future repairs more complicated by limiting access to plumbing and electrical wiring within the crawl space. Encapsulation also requires sealing off any vents, which can be a disadvantage for home designs that benefit from the airflow they provide. It's recommended to consult with a crawl space contractor to determine if the benefits outweigh these potential drawbacks for your specific home.</p></div>

Q: Can an underground downspout damage my foundation?

• <div><p>If not properly maintained, an underground downspout may damage your home's foundation. A clogged downspout can back up, causing water to pool around the base of your home and seep into the foundation. Regular inspections and maintenance keep your downspout in good working order, preventing damage and protecting your home.</p></div>

Enter your zip and get matched with up to 5 pros

Need a pro for your basement waterproofing project in Flagstaff, AZ?

Select your specific project to find the pro for you.

Verified Reviews for Basement Waterproofing pros in Flagstaff, AZ

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

*The HomeAdvisor rating for Basement Waterproofing companies in Flagstaff, AZ 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 May 06, 2026

Reviewed in May 2026
Brother Pro did a great job staining our cabin and decks in Flagstaff! Their prep work was very detailed and thorough. The final job looks awesome!
Brothers Pro Painting LLC
Request a quote
Reviewed in September 2025
Hired North Mountain Contracting to do an exterior power wash on my home &amp; driveway. They did an excellent job. Communication was clear &amp; they did exactly what they said they would do with no surprises. I would highly recommend them to others.
North Mountain Contracting
Request a quote
Reviewed in June 2025
Patriotic Plumbing worked on my main drain line, and in my opinion could have done a much better job in a few areas:. I can't assess the workmanship at this time, but intend to hire another plumber to check their work as soon as I recover financially from this repair bill: 1) Planning:...
Patriotic Plumbing and Rooter, LLC
Request a quote
Reviewed in April 2024
Losing half your house to water damage and having a very uncooperative insurance company is no picnic. But if you have to go through that disaster, do yourself a favor and have Daniel Daire, his don, and their team be your guide. Their ethics, integrity, and professionalism are beyond...
1-800 Water Damage of Prescott & North Scottsdale
Request a quote
Reviewed in December 2023
I loved working with Jeremy! He was efficient and did beautiful work on a new floor in our basement. He painted and added trim work too that was done very well. He also put in a front door that looks great. I felt his prices were good for the work done. I’m planning to put his skills to use...
Eco Handy Construction LLC
Request a quote
Reviewed in May 2023
We hired Dakotah Construction to repair our concrete garage floor and epoxy seal it. They were super communicative during the planning stage, discussing the details of the project and our options. We got a second opinion on the quote and we were very happy with the price. When the work was...
Dakotah Construction LLC
Request a quote
Reviewed in September 2022
I have shopped a lot prior to selecting a right contractor for my basement remodeling project and came across G Good and sons LLC. Greg and his crew has transformed the basement space into really usable and nicely laid out place where we can spend more time hanging out and use it a home gym as...
G Good and Sons LLC
Request a quote
Reviewed in July 2022
Good response time. Repair done on a Saturday morning. Has not yet rained so can not rate repair success. Mr. Leland called to check on the job later that day. He said he would guarantee the repair.
Leland Roofing
Request a quote
Reviewed in February 2020
The workmen on our huge driveway paver project did a spectacular job! These guys just worked all day long, were polite, arrived early and stayed late. We loved the finished look of both our driveways so much, we hired them again to put in a paved walkway and steps Down to our outside basement...
Agassiz Landscape Group, LLC
Request a quote
Reviewed in May 2015
They were very nice and professional, and kind enough to tell me that what I needed to solve my problem was a waterproofing specialist and not a plumber. Whenever I need a plumber company they would definitely be the ones I'd call.
American Service Specialists, Inc.
Request a quote

Find Basement waterproofing pros in Flagstaff

Groundworks

5.0(

)

Serving Flagstaff, AZ and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Warranties offered

"Alex and Donavan were very thorough. Discovered more than what we called them for. We originally wanted information on sealing cracks to eliminate cricket infestation coming through cracks in stem wall. We were not interested in repairing foundation rebar which is typical in slab homes in AZ. They were knowledgeable and honest in their evaluation of our home."

+22

157 neighbors recently requested a quote

Request Quote

City Plumbing & Rooter AZ, LLC

5.0(

)

Serving Flagstaff, AZ and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"I can’t recommend City Plumbing and Rooter AZ enough. Paul went above and beyond when we really needed help. We were staying at an Airbnb for my brother’s bachelor party, and things went sideways fast after the restrooms got seriously overused. It was a stressful situation, especially after hours—but Paul showed up quickly without hesitation. He and his nephew got straight to work, handled everything efficiently, and clearly knew exactly what they were doing. What stood out most was how calm, respectful, and professional they were in a pretty chaotic moment. They didn’t waste time, didn’t overcomplicate things—just got it done. If you ever find yourself in a plumbing emergency, especially at the worst possible time, Paul is the guy you want to call. Reliable, responsive, and genuinely cares about helping people out."

30 neighbors recently requested a quote

Request Quote

A-1 Concrete Repair & Waterproofing, LLC

4.9(

)

Serving Flagstaff, AZ and surrounding areas

In business since 2017

Free estimates

Warranties offered

"Work was completed as scheduled. and stem wall repair looks good."

Response time2 days

Response rate98%

Recommended by100%of homeowners

Request Quote

A-1 Concrete Repair & Waterproofing, LLC

4.2(

)

Serving Flagstaff, AZ and surrounding areas

In business since 2017

Free estimates

Warranties offered

Our company was built on hard work, honesty, and integrity and we are proud to service our neighbors here in the valley of the sun. \n\nWe offer an array of professional concrete repair, foundation stem repair, and waterproofing services that include basement waterproofing, retaining wall waterproofing, balcony deck waterproofing, etc.\n\nHere at A-1 Concrete Repair & Waterproofing, we combine good old-fashioned customer service with modern experience and equipment. Giving you the peace of mind and reassurance that your concrete repair or waterproofing project will get completed right the first time around.

Response time3 days

Response rate97%

4 neighbors recently requested a quote

Request Quote

Gresham Painting & Remodeling

4.2(

)

Serving Flagstaff, AZ and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"Contractor went beyond what was expected - highly recommend. Not the least expensive, but worth the extra if you want it done right.
"

Recommended by100%of homeowners

Request Quote

Hampton Enterprise LLC

3.7(

)

Serving Flagstaff, AZ and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"I only use James when I need some work done to my house. He responds fast, gets the work done quicker than just about anyone else I've ever used and seems very concerned with leaving his customers happy."

Recommended by60%of homeowners

Request Quote

Carlos Plumbing Service

5.0(

)

Serving Flagstaff, AZ and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Professional job Clean knowledgeable workers Polite Offered informative information to complete job Reasonable"

Recommended by100%of homeowners

Serving Flagstaff, AZ and surrounding areas

In business since 1982

Free estimates

Emergency services offered

"The two men were quick and efficient. They made sure that the cabinet was re-attached to studs. They sprayed Lysol under the sink to prevent spread of mildew."

Recommended by100%of homeowners

Request Quote

Basement Waterproofing questions, answered by experts

Yes, it’s worth it to repair a crawl space foundation, even if the issue seems relatively minor. Foundation problems often get worse and more expensive to fix if you leave them untreated. Additionally, your entire home, from the framing and flooring to the roof system, relies on the foundation for even and level support. Issues with your foundation will almost always manifest as problems in and above your living space, so it’s important to find a solution.

Mold growth is just one common sign of excess moisture in the bathroom. You may also see the paint in the room start to peel away from the walls, or that the walls remain wet for some time after you bathe.

Condensation on the windows is another sign that your bathroom has a potential moisture problem. The room itself may start to smell like mildew.

Regular inspections, proper drainage management, and ensuring soil stability help prevent future settlement issues.

The primary downside to crawl space encapsulation is the high cost, which can be several thousand dollars. Additionally, the process can make future repairs more complicated by limiting access to plumbing and electrical wiring within the crawl space. Encapsulation also requires sealing off any vents, which can be a disadvantage for home designs that benefit from the airflow they provide. It's recommended to consult with a crawl space contractor to determine if the benefits outweigh these potential drawbacks for your specific home.

If not properly maintained, an underground downspout may damage your home's foundation. A clogged downspout can back up, causing water to pool around the base of your home and seep into the foundation. Regular inspections and maintenance keep your downspout in good working order, preventing damage and protecting your home.

The Flagstaff, AZ homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

Lawrence Bonk
•
Jul 20, 2026Jul 20, 2026
How Much Does Basement Waterproofing Cost? [2026 Data]
Need to fix basement water problems or safeguard your home from damage in the future? Use this basement waterproofing cost guide to budget appropriately.
Rachel Hoffman
•
Jul 9, 2026Jul 9, 2026
How Much Does It Cost to Finish a Basement? [2026 Data]
An unfinished basement has a lot of potential for a family room or guest suite. So how much does it cost to finish a basement? Read on for all cost factors.
Dan Simms
•
Jul 10, 2026Jul 10, 2026
How Much Does Crawl Space Encapsulation Cost? [2026 Data]
A variety of factors can affect your total crawl space encapsulation cost. Here’s a breakdown of the cost of this project, whether you hire a pro or DIY.
D.P. Taylor
•
Jul 9, 2026Jul 9, 2026
How to Hire a Basement Waterproofing Contractor
Waterproofing your basement is important to protect your home. Follow these tips to ensure that you hire the right waterproofing contractor for the job.
Dan Simms
•
Jul 9, 2026Jul 9, 2026
What Is Basement Waterproofing and How Does It Work?
Struggling with a damp basement? Learn about basement waterproofing and how these tips can help keep your basement safe from the elements.
Dan Simms
•
Jul 8, 2026Jul 8, 2026
How to Waterproof a Basement Like a Pro
Dealing with a damp basement? Follow these steps for DIY basement waterproofing to keep water and moisture out and boost your home’s energy efficiency.