United Waterproofing

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About United Waterproofing
United Waterproofing serves Dover and the surrounding New Jersey communities with basement and foundation waterproofing solutions. The company holds a 5.0-star rating across 161 reviews, reflecting consistent homeowner satisfaction with water intrusion mitigation. Technicians assess properties, recommend customized drainage systems, and execute installations designed to keep basements dry year-round. Service availability spans all seven days, including 24-hour response for urgent water problems.
Reviewers frequently cite the company's thorough assessment process and attention to job-site cleanliness during installation. The team uses protective tarps to shield surrounding areas, and workers complete projects efficiently, often finishing residential jobs within one to two days. Customers note that technicians walk them through system operation and answer questions about maintenance.
Multiple reviewers praise Giovanni by name, describing him as knowledgeable, approachable, and transparent about options and pricing. One homeowner mentioned Giovanni helped design a drainage solution that fit their specific needs, completing the work in a single day. Another reviewer noted Giovanni returned to address additional issues at no extra cost, demonstrating commitment to complete customer satisfaction.
What Customers Say
All 161 reviews award 5 stars, with recurring praise for Giovanni's communication, thorough assessments, and the team's ability to complete clean, efficient work. Reviewers mention references from local area homeowners and describe the installation process as minimally disruptive.
Working Hours
| SundayToday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Basement Waterproofing
Interior and exterior systems designed to prevent water intrusion through foundations and basement walls.
Drainage Solutions
Custom drainage design and installation tailored to each property's specific water flow patterns and grading.
Foundation Crack Repair
Assessment and sealing of foundation cracks to prevent water seepage into below-grade spaces.
Sump Pump Installation
Installation of sump pump systems to automatically remove collected groundwater from basements.
Property Assessment
Thorough evaluation of water intrusion issues with video demonstrations and detailed explanations.