They did a good job and were early with time of starting the job as they said and which I liked but never thought they were going to finish that day. I'm satisfied and happy with the job they did. Thank you. And I do recommend this company for your next roof work. read more

Wow! This team was incredible in replacing our entire roof. They're hard working, diligent, thoughtful and finished on time. They suggested other improvements and really were thorough in their work! Highly recommend! read more

Scheduled an appt for Dec 14. Had to follow up because he didn't show up. 3 weeks later I get an email response sending me to someone else Camelot Roofing who doesn't answer the phone and mailbox is full. Don't bother with Ace Roofing. Zero service read more

Very prompt with roof estimate. This company is very professional & reliable. Needed a new roof for my 86-year Mom's home in SF. Raul gave the estimate & explained all work that needed to be done. He & his team went above & beyond their work. For instance, they replaced missing front shingles & painted them. New Roof, all pipes, & drainage were done well. We recommend this company to other friends & family. City permit was also done & owner John took care of get this. Pictures via phone were provided before & after work. We are happy that we went with Ace Roofing. Thank you, Raul & team, for all your hard work! read more

I found Ace Roofing on Yelp about a year ago when one of our school buildings needed a new roof, and I quickly discovered that John and his crew do excellent work. These guys really know what they're doing, they back up their work, and go above and beyond. I've hired them for half a dozen roof repairs around our campus and they've given us exceptional roofing work every time. Thanks John! read more

They are very unprofessional. Call one week prior to make an appointment. They text me an hour before the appointment to confirm, but they didn't show up. They didn't even text or call to reschedule or to let us know. I text him the next day and they said they are too busy and will call us back when they have time. I hope this review will make you guys less busy from now on so you guys can be more professional. Shortly after my review in yelp, John contacted me with a new appointment and send me an estimate. He completed our roof work within a reasonable time frame and has been sending me progress report everyday ever since he started the project. I will recommend this place. read more

Contacted John a couple of weeks ago. Wow, he actually answers his phone. He came over to take a look at my project and the reason I finally went with him is because he took the time to tell me and show me what materials he would use and he was just very straightforward about the way he does business. I felt like I wasn't getting 'sold'. Within a week his crew was tearing down my old roof and torching down a bitumen replacement. I really like the fact that he was genuinely interested in making sure that the roofing and drainage system were sloped correctly and that he also didn't nickel and dime me for things that other roofers were prepared to charge extra for. When I did notice some issues that I thought needed attention, his crew came back the next day and had it done fast. In short, excellent communication, quality installation, no-nonsense get 'er done performance. I hope your experience is as positive as mine was. read more

Ace Roofing did an excellent job on our roof from start to finish. Raul came out and did the initial inspection and estimate. The price was very good. Even better, Raul took the time to answer a lot of questions, to explain various steps of the process and the materials they would use, and to share photos. Once we hired them, the crew was able to start within a couple of days. They worked very efficiently - they tore off the old roof and installed the new roof in just two days. When the job was done, Raul took me up on the roof to see the finished product. It was very nice to be able to see things up close. There were no unexpected costs or problems, and Ace offers 5 years free maintenance. Overall, my wife and I are very please with our new roof! read more

I was very happy with the overall experience and work performed by Ace Roofing. Raul provided a competitive price and work product met my expectations. He was always very responsive and on-time to appointments! I would definitely use them again! read more

I found this company because people said good about them. Be careful!!!! They got your deposit and never start the job. They are under 2 names: Ace roofing and Bay roofing. Be careful!!!!!!!!!!!! They got my $750 deposit. It had been more than a month since they received my deposit check and never show up for work. This company try to get your deposit first and stretch out their schedule. Btw, they said deposit is not refundable even though the contract did not mention about non refundable. The whole point is they took your deposit and make you wait and wait. I was waited more that a month even though they promised me a week before they got my deposit. read more

Great service, on time, and nice people. At a decent price. Hard to find these days.

All the roofing repair work was completed professionally on time and at a fair price. Clean up was done and all three of the workers were pleasant. Nothing was left out or left behind. We were fully satisfied afterwards. read more

I had Some maintenance and repairs done on the roof that was leaking and thought it was competitively priced for the job and given the circumstances, it was in a rainy winter, I've spoken to John and he mentioned he couldn't do anything while it's raining, but kept me updated when there's a break of couple days with no rain they would be right over to repair the issue and they got it done efficiently right before the next storm hit. John and staff provided prompt communication through phone, text and emails with any questions or concerns I had before and after which I really appreciated. read more

ACE Roofing Company did a wonderful job at my home and my parent's home. I originally called John many years ago to help me with an emergency leak and chimney replacement during a huge storm and they came to my rescue the same day. Recently I looked at my roof and knew it needed some attention, so I gave them a call again. I was able to set up an appointment in a couple of days and was informed that I only needed some minor patching and a new coat of protectant. He never upsold me and was frank about the repair work. He gave me a detailed quote and contract and provided pictures throughout the project and I was very impressed with their professionalism. Fast forward a couple weeks, I recommended my parents to him for their roofing work. They had an older roof, so John provided them with a couple options whether to perform minor work and extend the life of the roof or do a complete overhaul. He gave my parents the pros and cons for both situations and surprised to hear that he recommended repair work instead because he preferred to fully wear out the materials before it's replaced. ACE Roofing Company, especially John, James and Steve are an honest group, provide great workmanship, and excellent to work with. I highly recommend them! read more

John & James Cho are awesome and helpful to work with. My husband and I purchased a home in S.F. that we knew we had to fix the roof before last year's rainy season began. Ace Roofing was responsive, affordable, and corrected another roofer's shoddy, overpriced "work". We had no idea the extent of how bad the previous roofer's work before Ace Roofing was until we realized when all the winds came, they used the wrong equipment (short nails, too thin and not sturdy enough steal frames to hold the roof down on the sides, placed skylights in wrong direction, etc.). We immediately called Ace and our insurance company. Within 8 days, we had an entirely new roof! And the money from the previous work from 2 months earlier applied to the new roof. And they even corrected the skylights pointing in the correct direction at no charge. Thanks again. We're pleased we made this call. read more

We hired Ace to redo the roof of our house and replace a skylight. They did an excellent job and were so quick and responsive. Their team came out and worked very hard to redo our roof and were finished in no time. We were very happy with the high quality and professionalism. I would absolutely recommend them and we will continue working with them to do maintenance on the roof when necessary. John said the roof could last 30-40 years if we take good care of it, so that's what we're going to do. read more

These guys did a great job attending to and completing our job request, which was to place a new A/C on our commercial building roof, which is in the Financial District of SF. They did the job on time and as promised. Highly recommend and will use them in the future. read more

The job was a relatively small one... and one that others weren't that interested in. They showed up for the estimate on time, gave a reasonable price, and did the job as expected and on time. I would recommend these guys. read more

They did a new bitumen (flat) roof for me a little over a year ago. Price was very competitive, they were very responsive and showed up exactly when they said they would. Finished the job early and even threw in a few little extras. They did damage some exterior trim hauling materials up to the roof, but they repaired it to a like-new state. Super pleased with the cost, process and result, and would happily use them again. read more

Great company with awesome followup on any issues almost half a year later. Reliable and fair in pricing.

After receiving 4 other estimates for a roof repair we landed on Ace and went with them. They did not try to sell us on an entire new roof like the other companies and they gave us an honest description of what the problems were and how to repair it without costing an arm and a leg. Their repair even came with a one year warranty unlike all of the other companies we received estimates from. I will call this company again for future jobs. read more

This is such a solid business, and honest owner, only use the very best material, striving for the best of workmanship, and the owner/assessor always tell the customer how much he plans to make on the deal. This actually saved the customer and himself a lot of back and forth trouble in negotiation. He does not low ball any competitors, although most of the time it takes the property owner 5 years or more to learn that his work is among the highest quality. read more

Such competence and goodness cheers the heart and gives one faith in these troubled political times!! Wow, wow, John dropped by early to give us an estimate on a leaky roof. I was expecting the usual over priced dire prognosis. Instead, John tells how to fix it ourselves, saving us a bundle, helping us immensely. I'm guessing his expertise and fairness keep him very busy with big jobs. I hope so. He's super cool and smart, Zen too, kinda dreamy in general:) First place I would call with a roof re-do. read more

Ace Roofing did an excellent roof repair to my house a year ago. No more leaking to the kitchen area. They did one free gutter cleanup to my house this morning. I highly recommend this company if you need any roof or gutter work. read more

A+ to Ace Roofing! I was extremely satisfied with the results. They even came back out to inspect and repair a seal that was broken along my skylight and did not charge me for the visit. I compared and spoke to a few different companies who not only wanted a lot more money, but could not accomodate my immediate need for a new roof. The staff was professional and the owner great to work with. read more

Ace came over very quickly to assess a leak from our roof and made the repair quickly and affordable. Highly recommend John and his team at Ace read more

We had the pleasure of working with John. He and his team were super efficient, quick and did an amazing job. Also john is straight forward and honest. The cost was very reasonable and never pushed new material of roofing like other companies. Using new material will cost 50-100% more. Glad we found him. He returns phone calls and answers his phone at all times. Lastly, he patiently and respectfully listened to our wacky neighbors. read more

I am a retired partner in a property management company in San Francisco and I've worked with many many roofing contractors throughout the Bay Area. I needed some roof work on my home and I wanted to use a local roofer. After doing my due diligence, I settled on using a local company named Ace Roofing. I found Ace Roofing to be a very professional roofing company. The 3- man crew arrived on time, performed all the roof work in a professional manner and they cleaned up! Francisco did a great job running the crew and ensuring that all the work that was contracted and needed was performed - proof was provided by pictures. read more

Just another one of those companies with perfect yet questionable all around 5-star reviews that make you think somethin's up. Sure enough, all they could spare were a couple of workers, who although were really nice guys, clearly weren't allowed to make decisions on a job. Almost two months later and still no quote after repeated promises. My guess is if the job isn't huge (i.e., complete new roof) and/or you don't appear to be someone who doesn't really worry about price, you're going to get the short shrift. Oh the joys of living in SF! Don't waste your time. read more

Our new next door neighbor just had their roof replaced. We could see from our flat that the Ace Roofing team working diligently. They were very courteous and we can tell that they were very organized and neat with their equipment. When they finished the job, we noticed that one of the chimney covers was extra high... so we asked our neighbor if they could contact Ace Roofing to adjust the height of the chimney cover. Raul Rios Monroy (Partner) came the very NEXT day and without hesitation - he replaced the chimney cover. We really appreciate the quick turnaround. That is true gold standard service!!! read more

I live in the Bayview area and was looking for a roofing contractor in my neighborhood. I called a few roofers until I came upon John Chon. He was so pleasant on the phone he explained everything that was involved with installing a new roof. The job was beautiful no problems and to my surprise was done in 2 days. He gave me a good warranty. If you're in need of roof repair or installation please call Ace Roofing. read more

Ace Roofing was great! We had Bill come out to our house to look at a roof leak. Turns out it was a really quick and easy fix and he was professional and in-and-out in no time. He even fixed another potential leak spot that we hadn't seen. I would definitely use them again and recommend the same to others! read more

[Update] Ace Roofers offered to apply a white elastomeric sunblock coating to my roof, for a price I considered to be close to cost for them. I agreed, and they did the work in one afternoon, once again in a professional manner. So, to reflect the company's good faith effort to address the issue with the original job, I'm changing my rating to a higher score. [Original Review] We have a flat, tar-and-gravel roofed home in the city. During the first big rainstorm of the year, we sprung a leak. After laying down tarp to control the problem, we called around to several roofing companies. None of them were willing to even schedule a visit within one month for an estimate, nor guarantee starting work for at least 3 months. But, when I called Ace, they were able to schedule someone to look at my roof within 2 days, and the estimator actually showed up that day, and on time. Within another 2 days, we had an estimate for laying down a new roof over the old one. The pricing seemed reasonable. We signed the contract and scheduled the work to start within 6 weeks. A couple of weeks before the work was about to start, Ace called to say that we could move up the work date by one week. We did so. The crew showed up on the new date, on time, and proceeded to get to work. They did an excellent job laying down the new roof over the old one, finishing up in one day, and leaving the site clean and tidy. From what we can tell, their work was well done; the leak is gone. So, why the so-so rating? Because when the crew finished, and we finally got up on the roof to inspect the work, we saw that they had laid down a black gravel finish. Our old roof finish was light gray. Our mistake: we had assumed they would duplicate the old finish. We hadn't even thought to bring this up in the initial discussions. Nor did Ace bother to ask us what finish we would prefer. Our concern is that the new finish will raise the internal temperature of the house come summer and fall, especially when we experience 100+ degree days, as we did multiple times last year in SF. When it's hot in SF, the upper floor of our house is already miserable, and this will make it worse... We exchanged many, many emails with Ace to find out why they put down a black finish. At first, they insisted that the finish was actually a "neutral" color. A couple of photos sent to them stopped that. Next, they insisted the finish wouldn't "hurt" the house. That was not our concern; our concern was temperature control. Finally, they admitted they could have laid down any one of several different colors, but that it was too late to do anything now as the roof was on. Well gee, thanks... Now we have to look into remediation for the new roof, perhaps laying down a reflective paint like LO/MIT to offset heat absorption. For anyone reading this review, the takeaway is that Ace can do good work at a reasonable price, but you better make sure you go over every single detail of the job you want done before you let them start work. Don't make any assumptions, and don't expect them to take any extra steps to ensure the job meets the customer's expectations. read more

I just had my roof redone by Ace Roofing. While it's too soon to know if the roof will leak, they seemed to do a professional job. They were very careful not to damage our hardwood floors -- they put down a protective covering, which I appreciated. Also, when a neighbor complained that a new roof vent was bigger than the old one and was blocking their view, Ace Roofers replaced it with a smaller one at no charge. Also, they stuck to their initial quote and didn't come up with any nasty surprises about how the job was more complicated than anticipated, etc., etc. read more

Ace Roofing is "aces" in my book! They oversaw the addition of a legal, permitted third-story addition to our 19th century San Francisco Victorian. Wow! What a complex job this was, including shoring up the foundation in order to support the addition of a 480-square foot studio, deck and new roof. John Chon, one of the owners, worked with us and other contractors every step of the way to bring to life our vision of extra, modern space that is up to SF's exacting building codes. John not only delivered the project on time, he was able to provide us with many extras as the project opened up our building to new possibilities -- all within budget. John is proud of his work, and stops by at least twice a year to check that everything remains in working order. Whenever we have a question about our building, we call Ace first -- they are honest and make excellent recommendations if the work is beyond their scope (which is wide-ranging -- a roof is more than just the top of your house!) read more

Called ace roofer during all the storm and they were able to come right when all the rain stop. They were very accommodating with my schedule. John came and checked our roof told me right away that our roof does not need to be replaced like what the other crooners have suggested. We just needed one corner that cracked to be repaired. He was very honest. He also gave us the exact product to use if we want to coat our roof on our own and when to do it. He tried to repair the following day, but of course we weren't ale to do it the next day and more rain came thus, damaging our roof's weakened part more. I called John to try to get our roof repaired and he came despite their busy schedule. He charged us the same as what he quoted despite the fact that there's more damage. He also cleaned our foyer and porch for me. He was so kind to my family. He also sympathized with our situation. We are very fortunate to find ace roofer and meg John! We will definitely be using them in the future and highly recommend their business. read more

John came by the other day out of the blue. He remembered a project my mom wanted to do at the time when he was putting up the new roofing. He was working nearby and just happen to remember about it and came by to share his ideas on the project. He even gave me tips on improving the new fence I recently put up. And he even said to call him anytime I needed more help or ideas. read more

We hired John to redo our roof and he got it done very quickly and high quality. He worked with us to help fix several problems/damage with the structure and installed new gutters to accomodate our uncommon roof shape. He was very responsive and helpful throughout the process. We definitely recommend him. read more

prompt service at agreed price even in the midst of a busy rainy season. they fixed the flat part of the roof then we got a leak on the slanted shingle part of the roof and they came out the next day it wasn't raining and fixed that part at no additional cost. I completely recommend john and the guy who did most of the actual work, Francisco. nice guys and professional read more

After the rainy season, I had observed some moisture in the ceiling of one of the upstairs rooms, so called several roofers to come inspect the roof for leaks. Based on the recommendations of several roofers, decided to lay down a silicone coating to seal the flat section of the roof and replace the rusting skylights. Bay Roof Coating got the job due to my positive first impression of John (Yong), the owner. He arrived on time for the appointment, was very professional, transparent with explaining his assessment and recommendations for the repair, and had a friendly demeanor. His estimate was competitive with other roofers. The work itself was completed in just a few days with one coat laid down each day. I had noticed that some debris was left behind from one of the skylights, and John's crew came by the same day to clean up the debris. Coordinating the dates/times for the work with the office manager could have been better, but was partially due to changes in the weather. I was not contacted when they showed up at the house but this ended not being too much of an issue since they were able to gain access to the roof and complete the work without me there. Overall, happy with the work that John's crew did, and had a positive experience working with John and Bay Roof Coating. read more