
Serving Portola Valley, CA and surrounding areas
In business since 2001
Free estimates
Emergency services offered
"Good folks. Although my roof didn't require repair, they still came and looked it over. Excellent, friendly service"


Serving Portola Valley, CA and surrounding areas
In business since 2001
Free estimates
Emergency services offered
"Good folks. Although my roof didn't require repair, they still came and looked it over. Excellent, friendly service"

Serving Portola Valley, CA and surrounding areas
In business since 2001
Free estimates
Warranties offered
"Los Gatos Roofing is my go to roofer. A quality roof over you head is important"

Serving Portola Valley, CA and surrounding areas
In business since 1992
Free estimates
Emergency services offered
"Very professional. Prices are good. They can do a little better at the repairing a damages that happen as a side effect of roofing."
Serving Portola Valley, CA and surrounding areas
In business since 1990
Free estimates
Warranties offered
"Tom Lee Roofing did our roof in the Sunset District of San Francisco about four years ago (right as we were coming out of COVID). His team is professional and works efficiently. He walked us through the project prior to starting, frequently inspected the work, and offers to inspect future projects that may impact the warranty (e.g., if you need to put in a kitchen vent). We are so pleased with his work."

Serving Portola Valley, CA and surrounding areas
In business since 2005
Free estimates
Warranties offered
"Pricing of roof: I had four pricing quotes and they came to be the second lowest. However the delta between the highest, and the lowest was not much in any case. Thus I could go with any one of the four. Pricing of the solar: I had a several quotes including Solar City, and they were in the lowest pack (compared $/kw of the system with all the incentives). Roof Work: The quality of the work is superb. They did exactly what they promised on the quote. Solar work: Solar panels on the roof looks nice; Even though I have a relatively large system due to the pond operation, the panels are arranged well and all the wiring is hidden inside either under the panel or the roof attic through conduit. Clean up: They cleaned all the mess around the house after the work is done, which makes my wife (and in turn myself) happy. Shadowfax gave me an additional discount for doing the roof and the solar together. This is good because it helps me not only the finance side but also dealing with any potential defects once the work is done. I did not deal with two different installers for any roof related issues. The roof is tested well during this winter as we had an unusual heavy rainy season. No leak is found up to now, and the new gutters route the water the way supposed to be. The solar production is too early to say (we need at least one year to see), however, it looks like producing as promised. In the month of March, the production is slightly less than the yearly average (total system capacity/12)."

Serving Portola Valley, CA and surrounding areas
In business since 1982
Free estimates
Warranties offered
"Every time I called with a question they got back to me right away. When they were putting on the roof, they kept communicating with me on the amount of termite damage and wood that they have to repair. They kept me inform on how much they expected it would cost me if they did that. They put on our roof in the middle of a storm and the roof was leaking in the middle of the storm and they came out in less than 15 minutes to put an additional layer of tar over our roof and they committed to finish out roof the next day. Even when we had that encounter the owner let us know what was happening and what they were doing to get the roof completed timely and made sure we were satisfied."

Serving Portola Valley, CA and surrounding areas
In business since 2012
Free estimates
Warranties offered
"My experience was excellent. They did a clean job. I have no complaints on the quality of the roof. They did exactly what they said they would do and when they would do it. They were nice."

Serving Portola Valley, CA and surrounding areas
In business since 1975
Free estimates
Emergency services offered
"Cosmos Roofing work crew were efficient, on time and a great team. Alex was helpful with his advice and very quick with his responses to my email questions. I would be happy to recommend him to anyone who has roofing or gutter issues. Also we LOVE our new sun tunnel in our DARK powder room! Very pleased with this company."

Serving Portola Valley, CA and surrounding areas
In business since 1993
Free estimates
Warranties offered
"As repeat customers, we initially worked with Signature Roofing about 15 years ago to replace an old wood shake roof on our first home. At the time, we found them to be very professional, from the moment we received the quote through the entire re-roofing process. They were very honest, punctual, and did a wonderful job of installing a high quality roof with no problems during the following rainy season - no leakage at all, even around three skylights. They also did a very thorough job of cleaning up after the project was completed. But what really stood out was the building inspector's comments when it came time to sell our home. The building inspector said that the roof installed by Signature was probably the nicest roof he had ever seen, and he gave them an A+ for their quality and workmanship. Our experience with Signature was so positive that when it came time to re-roof our second home, we didn't bother to get quotes from any other roofing company. Again, we found both William and George to be very professional, honest and punctual. We met with William first, who patiently took the time to walk around the house and answer all of our questions and concerns. We discussed ventilation, dry rot issues, the different types of roofing materials out there, whether or not to replace the gutters or add more insulation, and even rodent issues which other neighbors around us have had. William was very honest. He told us what we did or did not need and didn't try to push more expensive products or services with us. Both William and George were very good at responding to our emails within the same day with answers to any additional questions and concerns we had. Once the re-roofing project started, George kept us updated with daily progress reports. After the installation, they did an extremely thorough job of cleaning up. Our gardener was very impressed, stating that in the 30 years of working as a gardener, she has NEVER seen such a thorough clean-up job. Our new roof looks beautiful, and we are extremely happy with the re-roofing job by Signature Roofing. We highly recommend them!!!"
Serving Portola Valley, CA and surrounding areas
In business since 1922
Free estimates
Emergency services offered
"The company started at 9 am with a crew of 6 and a hoist truck that took old materials and delivered new shingles and felt. Crew left at about 3 pm with the roof covered in felt and the new shingle bundles stacked on the peaks. The following day, no one showed up and a wind and rain storm tore some of the felt loose and let rainwater into the attic. This soaked an area of the attic insulation, dripped through a heating outlet in the living room ceiling, and dripped onto the piano and the wall-to-wall carpet. After 2 hours of calls to the company, a man in a small pickup arrived, saw the problem and borrowed our ladder to go onto the roof and use the shingle bundles to hold down the felt. This distribution of the bundles apparently should have been done in the first place. The next day, the crew arrived and finished shingling the roof but left the whole shingles, shingle scraps, paper wrappings, flashing scraps, and coils of nails in 3 large piles on the roof. More calls to the company leaving messages about cleaning up but without any prompt response. Two days later, 2 workers showed up about noontime and picked up the debris and the wet carpeting which I had torn out before it got moldy. At last the roof was done and the question of water damage was now the issue. The company paid for the material cost of the replacement insulation which I installed after scraping out the old 50's insulation and applying a mildew-cide paint on the attic surface of the ceiling.and for an area rug, (my choice) rather than wall-to-wall carpeting."
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