certified company
Based on 390 reviews
Our Certification Process
Best Pick Guarantee
Verified License(s)
Verified General Liability Ins.
Verified Workers' Comp
7th year as a Best Pick Call
"Because of my belief in hard and honest work, I select my employees with great care. The result has been a well-earned reputation for exceptional quality, professionalism, and timeliness. Because we maintain separate roofing and siding crews, our response time is minimal and the quality is never compromised."

Se Woong An | President
Company Information
Services Offered
An Exterior, Inc., offers gutter replacement on existing structures and installation on new construction for both commercial and residential customers. The company also performs select carpentry services related to gutter work.
The company provides a one-year warranty on jobs over $500 and a three-year labor warranty on gutter replacement.
Company History
Se Woong An founded An Exterior in 1989 and remains its president. The company is local and family owned, with Se An's brother Min An serving as the vice president.
Employee Information
An Exterior's employees drive marked vehicles.
Areas Served
Prince William, Fairfax County, Loudoun County, Arlington County
A selection of 390 homeowner reviews:
“Everything was perfect. They did gutters for us. They were really prompt, and they were really quick getting everything done. There wasn't a single screw left in the yard. They're definitely A+.”
“I had a great experience with An Exterior. They put on a new roof, flashing, and gutters. They were extremely neat with nails and stuff coming off the roof. The quality was amazing. I'd give them an A+ on everything.”
“They were great. They did roofing replacement and installed gutters and downspouts. I'd give them an A. Their quality of work, customer service, and punctuality were good.”
“An Exterior was great. They did gutters and vinyl siding. Ten out of ten.”
“I loved the experience I had with them. They did gutters—A.”
“An Exterior got right to the point. They were very honest. I was leery that they were going to try to convince me to do some major work, just to make more money, but they didn't. They told me exactly what the problem was and then they fixed it. They did some caulking for me that had not been done before. It was around a dormer area. They get an A+ from me.”
“They did siding, gutters, and roofing for me, and they did a good job. I'd give them an A.”
“Everything was fine.”
“They put gutters on my house and garage. They're good quality gutters. I'd grade them an A.”
“They did some gutter screen repair, some gutter repair, and some metal flashing repair. They were interested in making sure that the job was done correctly and they followed through. I'd give them an A-.”