Serving Unionville, MD and surrounding areas

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Top-Rated Natural slate roofing installers and replacers in Unionville - Updated Nov 2026
Serving Unionville, MD and surrounding areas
In business since 1986
Free estimates
Emergency services offered
"Thank you James Im, Antonio and crew for an amazing experience and a job well done! It is rare these days to find a home improvement company that you can trust from beginning to end. AHC staff and representatives ensured that every detail from estimates, to coordinating delivery of materials and quality control of installation was performed to the highest standards and exactly on time. James and Antonio/crew were attentive to our every question and concern, and in the end made the experience with AHC a memorable one worthy of the highest level recommendation. Bottom line: If you choose any other roof replacement contractor - you will be making a mistake!"





+509

Serving Unionville, MD and surrounding areas
In business since 1991
Emergency services offered
"Dannie came to our home in August and gave us a verbal estimate on the job; he never gave us a written estimate which I believe could have prevented the misunderstanding about what the price included. He was not able to start the job in a timely fashion because he was involved in another job and the homeowner kept adding projects which kept pushing our job back. When Dannie started the job, he re-laminated our kitchen countertop and he did an EXCELLENT job! He also installed a new stainless steel kitchen sink which turned out to be the wrong one which had been shipped by the supplier (not his fault). This complicated the whole project and ended up increasing the price...again not his fault. Dannie was pleasant and stood behind his work but I felt that he needed to be more detail oriented. I had to call his attention to several things for him to resolve them.
"
Serving Unionville, MD and surrounding areas
Free estimates
Emergency services offered
Credit card accepted
"the roof was very good and the clean up was great. a week later the gutters were put on, and the clean up was the next day ( they ran out of time that day)."





+17

Serving Unionville, MD and surrounding areas
In business since 2011
Free estimates
Emergency services offered
"The owner came out and gave us an option. He came out twice. They did great and it's a good product too. They have excellent customer service. They follow calls if it can't be done. They're extremely knowledgeable. I would use them again. Their installer person was great. He really knew what he's doing. He's efficient and really personable."




Serving Unionville, MD and surrounding areas
In business since 1998
Free estimates
Credit card accepted
"Very happy with the results and the process was easy and smooth. George Jr showed up to do the consult, he was very friendly and knowledgeable. They were not the lowest quote we received but they were the best at communication and wanting to earn our business. As sales people, my wife and I appreciate professionals that still go out of their way to earn business. They were even able to get in and do the job before the Thanksgiving holiday which was only a few weeks from the consult and was very important to my wife, as we had 14 people coming to Thanksgiving dinner. She is also pregnant and they offered us products that would not be harmful to her or the baby, but she ended up being out of town the days they were here so we stuck to the normal paint, but really appreciated the effort to accommodate us.
The workers showed up exactly when they said they would. They worked hard and were very fast. I was amazed they finished everything in 2 days considering the size of the area they were painting and the number of cabinets and trim we had. The workers were respectful when moving and covering our belongings before and after painting. They were always laughing and smiling during the job, which is good to see, it hopefully mean they enjoy what they're doing and the quality shows. George and his son would pop in from time to time to check in and make sure everything was going well and that we were happy with the progress.
All in all, very happy! Would recommend to anyone! If fact, we need new granite.....you know how it goes, first new appliances, which means new paint, which means new counter tops and so forth, but George Jr mentioned they can help us with that and we will probably be giving them our business for that job as well. Thanks for the great job guys.
"





+22

Serving Unionville, MD and surrounding areas
In business since 1994
Free estimates
Emergency services offered
"IF YOU ARE LOOKING FOR A JOB WELL DONE , GO NO FURTHER.THEY KEEPSYOU INFORMED OF THE PROCESS AND ANY CONCERNS THEY MAY DISCOVER- THEY LET YOUR KNOW AND RESOLVE THE ISSUE . I WAS IMPRESSED WITH THEIR TEAM APPROACH FROM ROOFING SPECIALIST, CREW TEAM, PROJECT MANAGER ( WHO STAYED ON THE JOB AS IT WAS BEING DONE) AND ROOFING FOREMAN WHO ALSO WAS ON THE JOB TO COMPLETION ."





+135

Serving Unionville, MD and surrounding areas
In business since 2003
"We were very pleased with everything about Wold Roofing! They arrived on time, completed the job on the coldest day of the year despite the snow arriving as they finished, and the warranty was the best one offered by any of our previous estimates. Have already recommended Daniel aka Roof Guy to friends!"

Serving Unionville, MD and surrounding areas
In business since 2004
Free estimates
Credit card accepted
"Not only are the people nice, Mel and everyone who worked on the project did a great job. My wood deck needed cleaned, wood replaced, and stained. I am extremely happy with the results, and I would recommend this company highly."





+19

Serving Unionville, MD and surrounding areas
In business since 2002
Warranties offered
Credit card accepted
"Great quality of work and customer service. After over a year of deliberation and several meetings with Paul Rosner and his designer (for which they were very patient), I finally decided on a plan for a new bathroom and wet bar. Everyone I have worked with has been great-- Ed (project manager), Marty (foreman), and the contractors. They were respectful of our house and our space. The quality of the work is excellent, and any questions or concerns were brought to my attention right away so I could make a decision on how I would like to proceed. I could have gotten the work done cheaper, but I would have paid the price in the long run with inferior quality and customer service. I am a very satisfied customer."





+31
The Unionville, MD homeowners’ guide to natural slate roofing installations and replacements
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