1. Cornerstone Building & Restoration

    1. Cornerstone Building & Restoration

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    Rockville, MD

    Cornerstone Building & Restoration

    5.0 (2 reviews)
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    Presidential Exteriors

    Presidential Exteriors

    2.4
    (130 reviews)

    These guys know their stuff and are machines!…read more Sales Process - Be mentally ready and have some fun with them. It was like buying a used car in the 1990's. Negotiate negotiate, negotiate. They start high and you will drive off the lot a few times before settling. I know many will not like this but have fun with it. Whatever they start out at, ask for 50% off. Remember though they have a job to do and families. Say hello to Ryan for us The start - Once you sign a contract, they have excellent service and follow up. They are well organized and when you call, they auto identify you and know status. A person is scheduled to come to re-measure to confirm 100% everything is right. They called twice between sign up and before delivery and installation. Product - There Presidential Series plus windows are of a superior quality and exceed Montgomery County's stringent environmental energy performance standards. Other features include safety latches, easy to operate & manipulate for cleaning. Install - Their team lead Vince, has 21 years' experience, and brought five other guys to do a fifteen window install. They were all professional, courteous, respectful and wore foot coverings to limit outside dirt. They dug out rotten wood and evaluated every window twice to properly operate. They were here for 5 hours and cleaned up their mess before they left. You could tell they are well trained and have plenty of experience. The program Manager Alexander stopped by and quickly pointed out a cosmetic scrape and quickly had two solutions for how we wanted it repaired. Then they executed no second or another day trip needed. He also talked about what they found with our installation and made sure we knew how to operate. Quality Control - Lastly a few days later, we had a follow-up quality inspection visit by Delyar where he went over the lifetime warranty that can be passed on to future owners. He wanted to make sure we were 100% happy with everything. We felt comfortable with everyone we dealt with at Presidential Exteriors. There were many times along the way they could have taken advantage of or been less completely honest. We did not see or feel anything close to that

    the salesman was so agressive & i felt so bad for him. he was knocking on my door in this awful…read moreheat & there was a heat advisory warning today. Apparently his company did not care at all about his health.

    American Custom Contractors

    American Custom Contractors

    4.1
    (40 reviews)

    I had 3 roof, siding and gutter/gutter guard contractors give me an estimate. One contractor after…read morethe inital meeting said he would submit an estimate , the second contractor sent 2 men and then followed up with an email wanting another meeting with a 3rd representative from their company. Neither of these 2 contractors were prepared to give and estimate and presented no samples of the products they represented, and no color samples. I am still waiting for their estimates. It was a waste of my time. However, Avi, from American Custom Contractors was fully prepared with samples, recommendations and was able to give me my estimate in less than 30 minutes after we agreed on the products and colors. He had the software to input the data and presented an estimate that was within my budget with the first meeting. He was very professional, knowledgeable, timely, considerate and responsive to all my questions even after I signed the contract. In addition my research showed that this company is rated as A+ from the Better Business Bureau and 5 star rated from Google.

    James Im's level of professionalism was exceptional throughout the entire project/transaction. From…read morethe moment I met him, he showed confidence and knowledge about the roof damage I had. He took the time to listen to my concerns and suggestions, ensuring that he understood exactly what I needed. One of the things that stood out most about James was his calmness. He remained level-headed and calm even when faced with challenges or unexpected issues. This calmness helped me remain calm as well, as it reassured me that everything was under control. His ability to remain calm under pressure is an asset that makes him an exceptional contractor. James was an absolute pleasure to work with. He was very flexible, accommodating, and willing to go the extra mile to ensure my satisfaction. He listened to my concerns, provided valuable input, and worked tirelessly to ensure that everything was exactly the way I wanted it. It was truly a pleasure to work with someone as easy to work with as James. One of the most refreshing aspects of working with James was that there was no pressure to sign any contracts or make any commitments. I talked to at-least 6 contractors and all of them were very aggressive to sign the contract but James understood that I needed time to think about my decision and he gave me the space to do so. His approach was respectful and genuine, and I appreciated his willingness to work with me at my pace.

    Winfield Builders

    Winfield Builders

    5.0
    (43 reviews)

    I hired Winfield Builders to replace two old skylights in my Rockville home, and Zach and his team…read morewent above and beyond. My project was complicated because my 1980s drywall shafts were the wrong size for modern solar blinds. Instead of just "making it work" or creating a huge mess with drywall dust, Zach proposed a brilliant custom solution: building a clean birch veneer box with custom trim. It looks stunning and kept my house completely dust-free. What impressed me most was Zach's integrity. During the install, a small piece of my old plastic molding snapped. Instead of ignoring it, Zach took full ownership and replaced the trim on both skylights with upgraded foam-backed wood molding at his own expense to ensure everything was airtight and uniform. It is not a simple fix but an upgrade, for free. See the attached before/after pictures and the broken plastic. Like most customers, I contacted a few contractors before selecting Winfield Builders. Their price is VERY reasonable, and the communication through Yelp was professional and transparent. It is rare to find a contractor who cares this much about the details. If you want a crew that is honest, skilled, and delivers a beautiful finish, call Zach. 1000% recommendation!

    I've hired Winfield Builders twice, once to replace my roof in summer 2021 and again in summer 2022…read moreto replace my gutters. Zach made a strong impression from the start--when he came out to inspect my roof and I told him of a problem area, he went up on the roof to look at it! Replacing the roof took only one day, the crew arrived early and worked very hard. I also had the gutters replaced, opting for 6" gutters. The larger size has made a huge difference, as they're less likely to get clogged. My home is in good shape thanks to Winfield Builders!

    American Windows & Siding of Virginia

    American Windows & Siding of Virginia

    4.8
    (82 reviews)

    Yep, another five star review for American Windows…read more We received three estimates for replacing three windows, a French door and a picture window. American Window undercut the estimates of the other two vendors by a substantial margin. We also really liked they only asked for a modest down payment. Jay was our sales contact at American Windows and he was absolutely great. He has an engaging personality, and kept all his commitments to us. We appreciated that when installation day came, he swung by to ensure all was going well. Oh, how did the installation go? It was fantastic. Not only did the windows and door come earlier than promised, the American Windows crew came on time and worked quickly and professionally. We were amazed that the whole job only took 4 1/2 hours to complete. The windows and door materials are high quality and we are very satisfied with the results.

    After a frustrating, high-pressure sales pitch from another company, we turned to Reddit and saw…read moreincredible reviews for American Windows and Siding. We decided to drive an hour out to their showroom without calling first. Even though they weren't open yet and are by-appointment-only, Phil greeted us without hesitation.It turned out they couldn't take on our small window sill repair since they didn't install the original window, but Phil helped us anyway! He gave us repair ideas, explained potential causes, pointed us toward the right tools, and gave us contacts who could help. To top it off, his cuddly dog Wilson kept us company, and Phil even recommended a local spot for lunch since he knew we had a long drive. We are completely speechless at his kindness and support, despite not even being paying customers. Based on this first impression, we would work with Phil any day. The world needs more people like him!

    American Home Contractors

    American Home Contractors

    4.1
    (179 reviews)

    Had my gutters serviced today. Used the Groupon deal so it was very affordable. I called and at…read morefirst it was their answering service that answered. Apparently they are unfamiliar with the fact that they are on Groupon so I had to call back when someone from the company was in the office to get on the schedule. They had availability for two weeks later. I wasn't in a rush so I don't mind the wait. I wasn't scheduled for the 12-4 time window. On the day of I had a work commitment that came up last minute. They were very accommodating when I called so I was pushed further back on the timeslot till after 3 PM so I could be home for the service. The technician Isaiah arrived and informed me what he was going to do. Afterwards he sent me a detailed report with photographs of my gutter system. Thankfully, everything looked good and I did not require any additional services after the cleaning and tuneup.

    I am so happy with my new windows, and especially with my new sliding glass door installed my…read moreAmerican Home Contractors last week. For the first time I realize I had been hearing a fair amount of outside noise (which I'd apparently gotten used to), because these windows/doors are soundproof; now I don't hear anything at all from outside! And even better, the windows are easy to open, and my sliding glass doors actually slide well in the track, and are not shaking and drafty when it's windy outside -- major improvements from my old, builder-grade, 20+ year-old windows/sliding door. Further, the service crew was excellent -- careful, kind, professional, efficient, and they cleaned up everything afterwards. Roger, the foreman, has been doing this work for almost 30 years, and Jose, who single-handedly carried in/out the windows/doors, has been doing this work for 10+ years. I didn't get the name of the quiet third service person who was mostly outside and on the ladders, also very efficient. fyi, they did mention that working on the 4th floor of our condos from ladders was a bit more challenging as the original builder-grade windows had been made to fit by being packed/taped in place from the outside, which necessitated them having to actually break some of the glass to be able to pull the old windows out. But they did it - and did it well. Finally, Shaun, the project manager who gave me my estimate and oversaw the project from estimate, HOA approval process, to completion, was great. Highly recommended.

    Dream Exterior

    Dream Exterior

    5.0
    (11 reviews)

    A "dream" to work with! We just moved and after we settled in, we discovered the windows were all…read moreoriginal (soon due for replacement) and that most of the exterior window trim was rotten wood. The biggest issue was the rot at our dormers, leading to insects getting inside. Our gutters were also not draining rain well and needed to explore larger/better gutters as the rain in some parts came down hard close to our foundation. This was a costly project that we knew would have to take priority. I messaged Dream through Yelp, and though I was hesitant since there weren't many reviews here, I took a chance since Google showed quite a few excellent reviews. To my surprise, someone responded and called me immediately and was able to send someone out the same day for an estimate. Sean, who worked with us on our estimate, was on-time, friendly, and low pressure. He provided an estimate to repair all of the original wood trim and recommended to encase it in aluminum. The contract was very well outlined and we felt it was a fair price. The most important part for me was that it did not feel like there were any games to play, as I was expecting/fearful of this from researching window related jobs. The work team first dropped off supplies -- everything was organized so cleanly on our driveway. The next day, they showed up before 7:30am and continued to do so the rest of the week. I have never seen a team to dedicated and punctual. They showed up early DAILY and left late DAILY, were polite, and even came on the weekend to wrap things up and clean up. Everything was done with great detail and they even helped us put up our new house number plate without hesitation. I could tell from that they care about their clients and their happiness. The gutter team finished their work within a few hours... so under a day of work! Also, Sean showed up personally a couple of times to talk through our contract and estimate when we needed clarification; we appreciated the efforts he made, without any second thoughts, to visit and explain everything face to face. Because of their proven, trustworthy work, consistent follow up, and honest pricing, we will definitely use them for windows as well. They never let us down and delivered everything on time which is rare for large projects. We really look forward to working with them for all future exterior needs -- they've won us as customers for life!

    The work is high quality, the price is very good, quick to respond, patient to explain. The…read moreshowroom is really nice. I recommend anyone who plans to do exterior work to use dream exterior, minimally have them provide a quote. Very happy with their work at the house. Sung is very knowledgeable about exterior work, Heather is very easy to communicate and quick to answer any question and request. Mr Kim and his partner are very polite, keep the site clean, finish work in three days before the rain came. Happy customer here. The work includes: new gutter, bay window, siding, trim, shutter, paint bay window roof, wrap bay window, repair and wrap front picture window. They offered complimentary front window roof paint.

    Constanza Innovations General Construction, Inc.

    Constanza Innovations General Construction, Inc.

    4.8
    (35 reviews)

    Craftsmanship = 5 stars Communication = 5 stars…read moreReliability = 5 stars Craftsmanship - Alex and his team did a great job gutting and rebuilding our kitchen from the ground up. All new flooring, backsplash, cabinets, countertops, and HVAC for a 600 cfm range hood. Alex and his team worked with precision, cleanliness, and professionalism. We're very happy with the outcome of our kitchen. Communication - A kitchen renovation job is a lot of work, time, and communication in between the owner and contractor. Alex does a great job of listening to you and providing good solutions, and makes you feel like you are his only client. Our project required a lot of attention to detail and meticulous planning, and Alex's patience and lighthearted communication style was easy to work with. Reliability - Alex delivered on a lot of things you wouldn't expect from another contractor. He delivered on things that weren't even included in the contract. He hauled away about 200 pounds of cardboard and wooden pallets for us. He patched up walls we didn't ask him to. He offered to hire a cleaning lady to scrub the house once the job was done.

    Alex and his team installed our kitchen tile in 2024. The entire team was so professional and true…read morecraftsmen; Alex went above and beyond recommending materials and design elements to help us make thorough decisions. They are responsive, neat and make having work done in your house painless! Thank you - Alex and team!

    Cornerstone Building & Restoration - roofing - Updated July 2026

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