certified company
Based on 86 reviews
Our Certification Process
Best Pick Guarantee
Verified License(s)
Verified General Liability Ins.
Verified Workers' Comp
1st year as a Best Pick Call
"We are a family-owned-and-operated, veteran-owned company with extensive experience in structural repair and water management issues. We strive for excellent customer service from start to finish on every job."

Nicholas Locantore | Vice President
Company Information
Services Offered
Allmaster Home Services provides basement and crawl space waterproofing and installs sump pumps, sump pump backup batteries, egress windows, French drains, and drainage systems. The company also offers downspout extension, crawl space encapsulation, and foundation repair services.
The company offers structural warranties based on product and a limited lifetime warranty on waterproofing.
Company History
Allmaster Home Services has been serving local, residential customers since 1987. The company is privately owned, and president John Locantore has over 40 years of experience in the construction and home improvement industry.
Employee Information
Employees wear uniforms and undergo background checks.
MHIC #121436
Areas Served
Howard, Anne Arundel, Prince George's
A selection of 86 homeowner reviews:
“They were excellent, and I don't have any complaints.”
“Their work is excellent, no complaints. I'm likely to recommend them. They did waterproofing.”
“Allmaster was excellent. They worked on our basement, and I have no complaints. We would recommend them.”
“They fixed a retaining wall in the backyard. The guy was great, very thorough, and he cleaned everything, from beginning to end. Everything was covered, just as I expected. It was a great job and great work. I will probably be using them again to remodel my bathroom. I would grade them an A+”
“They did some foundation work. They said they would do it in a day, and they did it in a day. I would grade them an A+”
“They were great. I would grade them an A.”
“They did the basement. There was a horizontal crack along the wall, and they fixed it. The workers just came and did their job. I would grade them an A. It's very likely that I would recommend them to friends and neighbors.”
“They put in a basement drain tile for me and waterproofed the basement wall. The owner knew exactly what the problem was and resolved it for me. I would grade them an A.”
“They fixed a basement wall that had a water leak. I liked that they were patient, kind, and quick. I would grade them an A.”
“Overall, I had a good experience.”