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Adelphia Exteriors

Founded 1980 • With Angi since September 2007


(275) Verified Reviews


We are a family owned business that has over 35 years of experience specializing in roof replacements, windows, siding, doors, insulation, painting, and gutters. Our experienced technicians will give you expert honest advice on array of our exterior products. Get a free in-home estimate - (703) 880-8648. Award winning....

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Peak Roofing Contractors Inc

30 employees. Family owned & operated. Pricing determined on a per job basis. No Travel charges. No Service fees. Fully licensed and insured. Accept all major credit cards. Senior citizen and Military discount of $25 Additional Email address -, Additional Contact name - Luther Riggleman. Award winning.  

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Century Siding Co Inc

We believe that our remodeling experts, who have been working in the field for more than 15 years, successfully completing over 10,000 homes, will provide the highest quality work for you. Century Siding Co., inc. is among the highest rated companies in quality and value in the Northern Virginia area. We also guarantee the highest quality products at the most competitive prices. We proudly carry products from Mastic, Alside, certainteed, James Hardie, Simonton and many more industry leaders. All of our technicians are carefully selected based on their level of skill and experience. They must go through vigorous training and must prove their abilities before they can actually begin work on a customers home.  

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Certified Inc

Repairs only for pre-existing roof customers. No repair of roofs installed by other companies. Conveniently located in Highland, Maryland, and Vienna, Virginia. Locally family owned & operated. Award winning. For the past 30 years, Certified Inc. has offered the Washington DC Metropolitan area the highest quality workmanship and unmatched level of expertise in specialty metal, shingle, slate, cedar shake, and flat roofing installation. Ask us about a HAIL DAMAGE inspection for $39.95. Certified Inc. is known for its skilled craftsmen and their attention to detail. All of the professional roofers, estimators, and project managers have completed thousands of hours of training from the largest manufacturers of roofing products. We strive for 100% satisfaction. The training and certifications we earned allow us to live up to this goal. We are confident we will far exceed your expectations on your next roofing, siding, window, or gutter project. Certified Inc. fabricates its own sheet metal, flashings, custom gutters, standing seam metal pans, and any other roof related accessory needed for the completion of a new roof. Although we have completed many large commercial, industrial, religious and educational projects, the majority of our work is the installation of new & replacement roofs on residential homes. Certified Inc. does not perform repairs to roofs, siding, windows, or gutters. Licensed in MD, DC, and VA.  

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Offers by Certified Inc on Angi

Verified Reviews

A few reviews for this pro...


They were wonderful. Prior to signing up with them, we met with multiple other companies who tried to hard sell us into signing the same day to receive a discount. When George walked into my house I immediately told him we would not be signing on day one, and he laughed and said no problem! He was so agreeable and so easy to work with and the fact that he comes from a family business, I just had a...

Description of Work
Window installation and new front door

Category drywall,replacement windows,doors



We found Adelphia Exteriors on Angie's List and chose them for our home improvement project. It really is a family-run business: Tim (son) provided the estimates, wrote the contracts, and was our main point of contact; Vickie (mom) runs the office and frequently coordinated with me by phone; and Nick (dad) founded the business in the 1980s and still does much of the painting. Ours was a big projec...

Description of Work
Window replacement, vinyl siding replacement, gutter and downspout replacement, exterior painting

Category gutter repair,siding,replacement windows,house painters



I didn't. Price was $600 more than lowest bid.

Description of Work

Category insulation,doors



We needed to replace our original wood windows in our 1967 Colonial House in Annandale, VA. I did thorough research and knew that I wanted to install ProVia Endure windows. Adelphia Exteriors was one of 5 companies that we had come to our house to give us a quote. Tim Koutsis who is one of the owners of the company came to our house to give us a quote. Tim stood out from the other companies in mul...

Description of Work
Window Replacement

Category replacement windows

Service Provider Response

[Member Name Removed], Thank you very much for your lovely review. We really enjoyed the opportunity to work with you and your wife. We hope you enjoy your new windows and we look forward to working with you again!


Everything was great...I had three estimates that were all pretty close in total money spent. Adelphia quickly matched the lower bid, performed the work on time and exactly to our specifications. The follow up with the details team (interior painting and clean up) and the home office has been excellent. Highly recommend Adelphia exteriors!

Description of Work
Needed new windows and doors

Category replacement windows,doors

    Services Offered

    Attic insulation, windows, doors, siding, gutters, roofing. Painting interior & exterior.

    Services Not Offered

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    General Information
    Free Estimates
    Eco-Friendly Accreditations
    Payment Options
    Check, Visa, MasterCard, American Express, Discover, Financing Available
    Senior Discount
    Emergency Service