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    Excelsior Roofing

    4.7 (160 reviews)
    Closed 8:00 am - 5:00 pm
    Updated 2 months ago

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    Services - Excelsior Roofing

    Roof cleaning

    Roof inspection

    New roof installation

    5 More Services

    Roof repair

    Roof replacement

    Reroofing

    Skylight installation

    Skylight repair

    Excelsior Roofing Photos

    Recommended Reviews - Excelsior Roofing

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    Reviews With Photos

    Allen S.

    We had several roofing companies come out and bid our project. Excelsior was on the higher end of the bids and they were very busy and couldn't start immediately. But there was something about their professionalism that struck us. They listened to, and addressed all of our requests, laid out the details of the project and replied in a timely manner. They arrived at our house on time, and attacked the roof with what seemed like an army. The were incredibly polite and respectful during the project and worked super clean. They finished on time in two days and left our house as clean as when they arrived. We highly recommend Excelsior Shout out to Eduardo who handled all the details and called on us and Rogelio who was on site on the project.

    New vent
    P S.

    I didn't need emergency roof work but my roof was 22 years old & I didn't want to wait for it to get older & leak. I did a lot of research regarding the different roof materials (i.e. modified bitumen, TPO, foam, etc.). & watched a lot of TikToc & YouTube videos on roofing & the difference in the materials. I received bids from all the usual suspects (Tom Lee, Advantage, Lawson, Mr. Roofer, Anderson Roofing, Sure Roofing, Redwood roofing), & Mark Powers; the owner of Excelsior was the most knowledgeable to me & Mark was a no BS kind of guy. I also had to replace 3 custom skylights & did research on manufacturers in the Bay Area & talked to Eduardo; who works with Mark, about the pro & cons of trying to replace my kitchen light skylight with one that opens again. One roofer was giving me a 100% markup on the skylights from the same manufacturer, & his cost for a modified bitumen roof were extremely marked up, so he was eliminated. After putting together an Excel spreadsheet with all the fixed and variable cost from each bid I researched the recommended approach & materials each roofer was recommending. At the end it came down to 2 roofers. I chose Excelsior because Mark knows his stuff, my last roof was tar & gravel & still had a couple of years of life in it & Excelsior still does tar & gravel. The workers completed my roof in 2 days & it was quite the production. My neighbors were quite impressed with the process. Until it rains & a few years pass I really won't know how my roof stands up but it looks great today. My brother who is an electrician & works in construction went up to look at the completed job & said it was good work. He told me, "These guys don't mess around, they know their stuff & do good work." That's another thing, Excelsior's crew are all union workers with 15+ years in the union. When it comes to your roof don't look for the best price look for the most experienced & knowledgeable roofer. That's why I selected Excelsior

    Re-coating 5x5 area over the leak area

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    Ask the Community - Excelsior Roofing

    Review Highlights - Excelsior Roofing

    They did a refresh 11 years ago and it lasted much longer than projected by the owner, Mark.

    Mentioned in 67 reviews

    Read more highlights

    ELM Roofing Contractors - ELM Roofing Contractors in San Francisco, CA

    ELM Roofing Contractors

    (79 reviews)

    Bayview-Hunters Point

    I had really bad leaks coming through my windows and ceilings that were literally pouring into my…read morehome during the bad storms in February. Our last roof job was in 2005, so I knew it was time. My husband found ELM Roofing on Yelp and called for an estimate. Carlos Silva, roof inspector and project manager, came out and did a full detailed assessment providing footage of problem areas. My husband was very impressed by Carlos' honesty in determining what would be needed for our full roof replacement. Throughout the job, Carlos gave daily updates about what was done and what was to be expected next. His crew lead, Ricardo, whom I fondly refer to as "the doctor," knew exactly what was causing my leaks and performed preventative measures to avoid future leaks. Ricardo really is an expert at diagnosing issues and providing realistic fixes for them. I also had drainage issues having only three skinny downspouts, and they brought in someone to replace them with wider ones as well as add three more. Yes, Dr. Ricardo to the rescue! With the coordination and constant updates from Carlos and Dr Ricardo leading the crew, we always knew what to expect and were always in good hands. We've been through some storms since our roof and downspouts were done and are happy to report that the leaks are gone and drainage is very sufficient! Thanks again Carlos and "Dr" Ricardo and crew!

    ELM Roofing is fabulous to work with. Derek and Lucas went above and beyond to explain the process…read moreand keep me informed every step of the way. They were one of four vendors we met with and from our first meeting I knew we would be in good hands with ELM, and their pricing was very competitive. Derek was able to quickly fit our project in and he along with Lucas managed the uninstall and reinstall of our solar panels along with the entire reroofing process seamlessly. Everything went as expected and on schedule. We are so happy with the final result and highly recommend ELM.

    Excelsior Roofing - roofing - Updated May 2026

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