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The 5 Best Basement Waterproofing Services in Phoenix to Stop the Leaks
Dealing with unexpected pooling or foundation repair issues after a heavy monsoon can quickly turn into a nightmare for any property owner. You know it’s bad when you step into a squishy dampness inside your home.
To prevent costly issues, we rounded up the best basement waterproofing services in Phoenix. These companies are equipped to protect your home’s structural foundation from shifting soil and hidden seepage.
Whether you want to finish a lower living area or fix damp walls, here are our top choices!
How much does basement waterproofing cost in Phoenix?
The cost of basement waterproofing in Phoenix typically ranges from $2,000 to $8,000 for standard fixes, though major exterior excavation jobs can reach $15,000 or more.
| Waterproofing Service Type | Typical Cost Range |
| Minor Crack Injection and Wall Sealing | $2,000 – $3,500 |
| Interior Drainage and Sump Pump System | $4,000 – $8,000 |
| Complete Exterior Excavation and Moisture Barrier | $9,000 – $15,000+ |
1. Ram Jack Arizona
Website:https://www.ramjack.com/
Address: 5000 S 16th St
Contact: (480) 941-3448
Hours: Monday-Friday, 7:00 AM – 5:00 PM
Ram Jack Arizona sticks to a tailored fix rather than a generic patch. Their crew begins every project with a thorough diagnostic assessment of your water entry points, providing customized basement waterproofing designed specifically for your home.
Plus, their team pairs heavy-duty sump pumps with interior French drains to handle active leaks and standing water.
When it comes to tricky desert groundwater intrusion, their clear technical breakdown showed real practical competence.
Aside from their robust basement waterproofing methods, they provide a lifetime limited warranty for your peace of mind if issues arise after the waterproofing.
Just know that their South Phoenix office location sits in a busy industrial pocket, which can make in-person visits slightly inconvenient during peak rush hours.
2. Groundworks Foundation Repair
Website:https://www.groundworks.com/
Address: 2639 W. Lone Cactus Dr
Contact: (855) 976-0804
Hours: Monday-Friday, 5:00 AM – 9:00 PM | Saturday, 6:00 AM – 9:00 PM | Sunday, 8:00 AM – 9:00 PM
Groundworks Foundation Repair delivers a comprehensive basement waterproofing system that protects below-grade areas using thick vapor barriers and interior perimeter drains.
They address ambient air quality as well as liquid runoff by installing commercial-grade dehumidifiers alongside durable collection basins.
For complex issues, they’re an all-in-one solution for waterproofing and foundation repair. With this, they’re able to provide all-inclusive packages that give owners reliable, whole-room moisture defense that lasts through intense storm seasons.
We appreciate their availability too. They’re open seven days a week, with appointments usually available as early as the next day.
Their northern facility on Lone Cactus Drive requires a bit of driving if you live in the East Valley or central corridors.
Customer Reviews
Great job
Groundworks crew lead by Eduardo did a great job. These guys worked the entire day! Eduardo explained the process, set the expectations and timeline. He answered our questions. When they were done, Eduardo walked the entire job and explained what they had done and went through his check list with us. Great job! The guys were great well spoken and knew their job.
Thank you Groundworks!
- Ed G | Google Review
Highly recommend
Melissa Montano was absolutely amazing to work with! She was professional, knowledgeable, and responsive throughout the entire process. She took the time to answer all of my questions, kept me informed every step of the way, and made everything feel smooth and stress-free. Her attention to detail and commitment to great customer service really stood out. I highly recommend Melissa and the Groundworks team to anyone looking for a trustworthy and reliable experience. Thank you for going above and beyond!
- Vincent Ruiz | Google Review
3. A-1 Concrete Repair & Waterproofing LLC
Website:https://a-1crw.com/
Areas Served: Phoenix and the surrounding areas
Contact: (623) 476-7425
Hours: Monday-Friday, 6:00 AM – 2:00 PM
A-1 Concrete Repair & Waterproofing LLC brings over 30 years of trade experience serving residential and commercial clients. They specialize in targeted basement waterproofing and deep structural crack sealing.
They’re thorough, offering concrete pours and foundation repairs that you may combine with waterproofing. This ensures every nook and cranny is covered to avoid leaks.
As for their process, they use industrial polyurethanes and specialized coatings to stop leaks right where water penetrates masonry walls.
Efficiency is a fantastic feature, since they can finish most quick jobs in a single morning without any mess. Additionally, they cover Phoenix and many communities in Arizona.
But their office closes early throughout the week, so it’s better to visit them early in the morning.
4. Concrete Contractors and Foundation Repair Apex Pros
Website: https://foundationconcretecontractor.com/
Address: 100 N 7th Ave
Contact: (602) 759-7214
Hours: Monday-Friday, 8 AM – 7 PM | Saturday, 8:30 AM – 7 PM | Sunday, 6:15 AM – 7:15 PM
Open daily, Concrete Contractors and Foundation Repair Apex Pros is a solid option for handling moisture barriers, retaining walls, and protective basement waterproofing across central Arizona.
They apply elastomeric membranes and heavy waterproof sealants directly to exposed masonry to block moisture migration. This prevents water pooling near foundation footings that can weaken your structure.
Their team handles the whole project, from assessments to curing, so you’re sure that no subcontractors will step in the middle of the project.
All in all, their targeted basement waterproofing services help keep below-grade concrete surfaces dry and structurally sound year-round.
That said, they’re part of a huge company servicing various states, so you may not get the personalized service you get from a more localized company.
Customer Reviews
Extremely neat
Each time he promised to meet with me or return my call he was there. He communicated during the entire process. His workers were extremely nice and knowledgeable. They were extremely neat. No complaint. I would hire again.
- Zachary Robertson | Google Review
5. Basement Systems
Website: https://www.basementsystems.com/
Areas Served: Phoenix and the surrounding areas
Contact: (800) 638-7048
Hours: Contact for availability
Basement Systems is one of our picks for offering custom dry basement plans and tough interior drainage setups.
They make sure no moisture is left before waterproofing by building personal foundation waterproofing systems using strong products like Zoeller cast-iron sump pumps with battery backups.
These pumps even feature a patented WaterWatch Alarm that alerts you about high water.
Aside from that, they install a dehumidifier in the basement and an interior drainage system to avoid possible mold growth.
On top of that, you can feel safe knowing their drainage work carries a transferable lifetime warranty on drainage work.
However, their project financing options aren’t available for all buyers, limiting access for homeowners with tight budgets.
