Marc L. of Rockville, Montgomery County, MD 20852

Marc L. of Rockville, Montgomery County, MD 20852


(Found on CheckBook.org)

All the positive reviews about Mr. Li and his crew are true!
He is quick to respond to messages, is prompt for estimates, and very knowledgeable with good suggestions to fulfill our needs.
We are very happy with our new entry door and storm door.
I highly recommend Crystal Exterior and will hire them again for future work.


TESTIMONIALS

Steve B. of Potomac, Montgomery County, MD 20854

(Found on CheckBook.org)

I had Mr. Li (owner-Crystal Exteriors) install two exterior doors and one window. He was extremely reliable; both Mr. Li and his installers showed up precisely when they said they would. The workmanship was excellent, and they cleaned up well when they finished. I do not hesitate to recommend them.”

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