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    C2 Operations

    4.7 (58 reviews)

    Services - C2 Operations

    Window installation

    Window replacement

    Gutter addition

    12 More Services

    Gutter installation

    Gutter repair

    Gutter replacement

    Roof inspection

    New roof installation

    Roof repair

    Roof replacement

    Reroofing

    Siding installation

    Siding repair

    Siding replacement

    Skylight installation

    C2 Operations Photos

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    Recommended Reviews - C2 Operations

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    Before

    We hired C2 to replace vinyl siding, as well as provide insulation and house wrap. We also had them replace all our gutters and downspouts and install gutter guarding. The estimate was thorough, pricing explained up front. What we appreciated was their contract - spelled everything out and was easy to understand. The project was quoted at 1 week. They had the job done in 1 week. Workers were respectful and did an amazing job. Kept our yard clean. After the work was completed, a second employee came to perform a final sweep of our property for nails, trash, etc. The work speaks for itself. Our 30+ year old, "buttercream" siding and gutters have been replaced and we couldn't thank the team at C2 enough. Terrific company to do business with and they provide exemplary results.

    Zenie N.

    C2 was awesome! They are profession, prompt, honest and competitively priced. They delivered on every promise and even when they hit a couple of small snags, they immediately took responsibility for it and corrected the issues in a timely manner. I would hire C2 again in a heart beat and will highly recommend them for any roofing job out there - hands down!

    nice new roof!

    new roof and gutters. came on time, set up, did great work. (i have done roofing in the past so i can say i know the work was great) they cleaned up after. in two days the entire old roof was gone, new roof was on and the mess was gone! then the new gutters came on and wow. my house looks new. also, the workers are very friendly and funny. good guys. made it fun to go out and see the progress as they causally walk along so high up.

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    1 year ago

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    Steven T.

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    Photo of Andrea W.
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    1 year ago

    They were great. We had some wind damage to our roof and flashing. They worked with us and got the job done in a very timely manner.

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    Steven T.

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    2 years ago

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    Steven T.

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    3 years ago

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    3 years ago

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    Steven T.

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    2 years ago

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    Steven T.

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    2 years ago

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    Steven T.

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    4 years ago

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    Steven T.

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    2 years ago

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    Steven T.

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    Steven T.

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    5 years ago

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    Steven T.

    Thank you for your recommendation, Alex!

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    3 years ago

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    Steven T.

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    3 years ago

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    Steven T.

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    2 years ago

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    Steven T.

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    8 years ago

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    4 years ago

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    Steven T.

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    7 years ago

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    8 years ago

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    4 years ago

    C2 did a thorough roof inspection and gave us the best estimate. Would refer to others.

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    Steven T.

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    5 years ago

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    Steven T.

    Thanks so much for the great recommendation, Todd!

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    7 years ago

    Don't trust their sales person, she will use the "make sure to read your fine print" sales tactic to lure you to get the deal.

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    Chris C.

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    3 years ago

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    4 years ago

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    11 years ago

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    Page 1 of 2

    Ask the Community - C2 Operations

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    We called Loudoun Roofing & Home Improvement because the ridge vents on our roof were damaged from…read morethe wind and potentially leaking. Other companies wanted to send a crew out to just "repair" the cheap aluminum ridge vents that the builder installed, but Esteban recommended a longer lasting solution. He went on the roof, took pictures and showed me the condition of all the vents. He then recommended replacing just the ridge vents with a better quality vent that would last longer and not be susceptible to wind and other damage. When he gave me the estimate, I was pleasantly surprised that the cost was very reasonable. Esteban and his crew came out 2 days later and completed the job it one afternoon. They exactly matched the roofing material we already had, and when they were done the roof looked like new. Not only did they fix the vents, they went around and re-sealed any exposed nails in other parts of the roof AND cleaned out my rain gutters (all just because they were already on the roof). I highly recommend Esteban and Loudoun Roofing & Home Improvement! They were quick, professional and did the work for a fair price.

    Keylah and Esteban were awesome. They function very efficiently as a team and really helped me…read moreunderstand what work needed to be done and then provided pictures of the completed work (who knows if roofers really do what they say!). I live in a 3 story townhouse and had a water leak in a bedroom on the top floor. The house was built in 2014 so I was pretty surprised that I was having an issue. The first "roof specialist" that came over spent 5 min in the attic and then 10 on the roof and told me he couldn't find any sign of the leak or its cause. Just in case, he said he had caulked where he pulled up an exposed nail and that I shouldn't have any more problems. Well, it rained the next day and the ceiling leak got worse. Luckily, I called Loudoun Roofing next and Esteban came out and wouldn't leave until he found the leak. He spent over 20min in the attic (which was like 100+ degrees) and another 30 minutes on the roof. He was VERY thorough and not only found the source of the leak, but also many other issues with drainage and some construction issues. Documenting with pics and descriptions of the work that needed to be done. Long story short, Esteban came out the next week, completed the work and the cost was very competitive with the other roofer that could not find the issue and wanted to do "exploratory surgery". I trust Esteban and Keylah and the work that they do and would 100% recommend to family and friends. Please contact me if you have any questions. I feel like its tough to vet repair companies nowadays, but I will definitely call them for future issues or when I eventually have to replace my roof. I'm a new homeowner in the last 2 years and I cannot describe the peace of mind now that it's fixed...

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    I needed new windows and new sliding glass doors. The previous owners of our appartment had put in…read morethe cheapest possible units with the cheapest possible labor. With regards to the heating of our home, the windows were no better than screens. I reached out, looking for windows and installers. I had a few people come in and estimate the job. None of them impressed me until Greg from Windows on Washington came over. He walked me through several options and explained how the windows they used were manufactured and why. Windows on Washington got the job. My windows and my doors were being manufactured. So they sent out a wonderful gentleman to get the final accurate measurements. Great guy. After that, communication was wonderful as were were assessed of the stage we were in. This included when we got the email and calls explaining that, since we were on a higher floor, they needed to bring in some equipment to lift the new doors up to our balcony. No surprises. Installation day was amazing as Joon and his team came in, got everything into place, and cleaned up the areas to better than when they got here. Joon then went over the features on our windows and even explained how we get to and clean the outsides of the glass. Wonderful man and amazing team. Since then, we have gotten copies of our warranty and the guarantees. And the company has reached out twice to ask if we have any questions and to ensure that we are happy with our windows. We are. We are very happy with our windows. Almost as happy as we are with the people who got them into our home.

    Windows on Washington just installed 23 Okna windows in our home. From the initial visit to the…read morefinish, they did an excellent job, and they came in ahead of schedule. I recommend them highly. Roger Pilon Bethesda, MD

    Green Oak Exteriors - New roof installation
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    Green Oak Exteriors

    (35 reviews)

    Based on an experience in March 2026...project initiated after discovering damage and considerable…read morewear & tear to 15 year old townhome roof. RESPONSIVENESS - very fast, very responsive, very professional. A tad too frequent, but apparently roof repair is a competitive business. INSPECTION - scheduled and conducted efficiently; exceptionally thorough inspection report (David). COST - in line with all other quotes, which are apparently driven by the insurance estimate. Green Oak differentiation included owner interaction, master roofer certification, 5 star rating, excellent warranty, professional documentation and workflow management. WORK - scheduled efficiently, material arrived on time the day before, crew arrived on time the day of, work was conscientious and completed in 3/4 day (townhome), clean-up (including loose nail hunt) was impressively thorough. AFTER - received certificate of completion in a timely manner, along with photo record of repaired roof. Not being a roofer, it's difficult to assess the integrity of the new roof & shingles, however the end result appears clean and professional. Suspect the new, high-quality roof will increase the townhome value and/or decrease time to sell based on the high-quality products used and overall curb appeal of the work. Overall quite satisfied with Green Oak. Recommend.

    After a large javelin-sized branch impaled our ~5 year-old roof, all the way through the shingles,…read moresheathing, and paper, my insurance company asked me to get a 3rd party quote to compare to their assessor's. I reached out to Green Oak after searching on Yelp (s/o), and was extremely glad I did. Brian H. took me through the process from start to finish, including an insightful explanation of the insurance claim process. The free estimate happened within a few days and ended up being lower than the insurance-assessed quote. He recommended a roof "tune up" as part of the package without pushing or trying to upsell me for more, which i really appreciated. He also accommodated my inquiry of adding on the installation of a bathroom exhaust vent cap, which was missing when we moved in. After being extremely reasonable on pricing and lighting-fast on responses, they scheduled and completed the work the day after signing. The team was efficient and respectful, with a huge attention to detail. TL;DR - Highly recommend giving Brian and Green Oak Exteriors a shot to help fix your home exterior issues, especially when you are in a bind with your insurance company!

    C2 Operations - roofing - Updated May 2026

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