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GreenCal Construction

4.2 (163 reviews)
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Anna W.

They did a really great job on my roof! They handled everything from the permitting to making sure the inspector came before it rain. Also the initial reason I picked them is the superior material. They use something called titanium FR. I'll update my review in 10 years to let you guys know if it lasted longer than 10 years haha. I like this company also because of their good communication. Try them out!

Patio roofing at rental property 2025.

GreenCal was great throughout the whole process. The patio roof came out great on my rental property....2025 This is the second time I have used them. They did our roofing, installed gutters, and fixed our balcony floor which had a huge hole in it back in 2021. My husband and I are very satisfied with GreenCals work. Thanks

Photo provided by Green Cal while in progress of tearing old portion of flat roof.
Pearly D.

I live in a townhouse where our tile roof is taken care by the homeowners association while the flat roof portions that house the AC units of a 1979 property are the responsibilities of the homeowners. My flat roof is attached to one of my next door neighbors and they had issues with roof leak. Unfortunately, that means we should replace our half at the same time. I did not want to replace my side since it was not leaking. But I guess it would be a matter of time before I do and the cost would eventually sky-rocket. We decided on using Green Cal. It was costly indeed, as my side of flat roof was less than 300sf and my cost (including permits) was about $4000. It seems Green Cal did a good job in communicating with us and sending photos of their progress. We shall see if my neighbor's side has stopped leaking come rain season. For now, I guess I am glad it is 1 thing crossed off the list.

Rear looking to front
Raymond P.

Masoud came over and explained all my options for a reroof and gave me the best quote after getting 7 other quotes. He went over the process, the warranty and how long it would take. They came on a Monday to remove my existing solar panels and Tuesday with a trailer and removed all the shingles from the roof. We were hopeful that the wood was in good condition but the planks were too far gone to reuse so we had to replace it all with plywood. It was a fear that Masoud had prepared me for, so I wasn't surprised and it was necessary. The removal took a couple of days and we had to wait for inspection. The following day they came and started the install. Most of the install was pretty quick and only took a couple of days. The thing that took the longest was the re-install of my solar panels. They had to wait for a part to come in for my particular panel. Once that was ordered they installed it within a day. After a couple of hours I was noticing that my solar system was not producing as it should. I reached out to Elsa and Crystal who both were quick to respond and send out someone to get them running. It was just a panel that wasn't plugged in all the way. That was remedied and I'm happy to report that it's back on track. I really appreciate their customer service and although there were issues, they were quick to help me any way they could. I now have a gorgeous roof that I don't have to worry about for years to come. Thank you!

Lakewood roof, small house and detached garage

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2 years ago

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Megan L.

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1 year ago

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Megan L.

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2 years ago

GreenCal is awesome They did an awesome job very quickly Very professional staff

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Megan L.

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1 year ago

I had my roof replaced, project was executed on time. Workmanship was good and price was competitive.

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2 years ago

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1 year ago

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3 years ago

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2 years ago

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1 year ago

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1 year ago

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3 years ago

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3 years ago

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2 years ago

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2 years ago

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1 year ago

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2 years ago

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3 years ago

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4 years ago

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2 years ago

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5 years ago

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4 years ago

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Hazel S.

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4 years ago

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1 year ago

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2 years ago

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2 years ago

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5 years ago

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2 years ago

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Megan L.

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6 years ago

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Hazel S.

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4 years ago

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Hazel S.

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2 years ago

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Megan L.

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3 years ago

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2 years ago

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4 years ago

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2 years ago

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2 years ago

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2 years ago

This company was very responsive. I ended up not needing to do work on my roof but they were responsive and professional.

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Megan L.

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2 years ago

Excellent service. They were prompt and efficient. The workers were professional. I'd use them again

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Page 2 of 5

Ask the Community - GreenCal Construction

Review Highlights - GreenCal Construction

Hazel, Crystal and Francisco kept me updated every step of the way.

Mentioned in 19 reviews

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You might also consider

SoCal Roofing Solutions - All wrapped up in Whittier! On to the next! Thank you Laurie and April.

SoCal Roofing Solutions

(212 reviews)

I received a few bids for a full roof replacement. The quotes varied and found a couple that…read morewould've charged less but SoCal roofing was the only one to give me options. Carlos came out and provided 2 different quotes, one for full replacement and another one for replacing only a portion to include upgrading all the vents. I wasn't expecting that but after consideration, I thought that was the best option. We scheduled the repair and they were prompt, professional, and clean. His team came out on time and worked like a machine to complete in one day. They cleaned up after they were done and then the foreman came out same day to inspect and perform quality control. Aside from saving me thousands on our options, I was very impressed with SoCal from start to finish. I would highly recommend their services.

Trusting your home with a contractor is always a gamble and it really shouldn't be. I will say my…read morehome is old so there may be something to consider in reading this review. I really wanted to give this company 5 stars because of Jose, the foreman. He was amazing to work with, attentative, and prompt. Salt of the earth! Carlos, the owner, was also amazing, prompt, straightforward, knowledgeable. They did an amazing job on my roof. Roof itself 5/5. No complaints. However, I do believe the job and the service itself is 3 stars. Not bad but not amazing. I ended up walking away from this experience just kind of meh but wanted to share my honest thoughts so it'll help others. That being said, there were a couple hiccups that happened along the way. No one contacted me prior to the day of my start date/roof removal. The office manager kind of chucked it as the person who supposed to let me know was out sick. They require someone be home to sign off on the work so not letting me know seemed off.. Not a peep about what time theyll be arriving, what to expect. Etc. Yes, they walk you through this process during quotation but thats about 4 to 6 weeks out before the actual day. They also didnt let me know which day or what time. I had to reach out myself multiple times. The team is quick but I also think their speed leaves them a bit careless. After they were done, I was left with a patched ceiling (beautifully patched but I feel like shouldn't have happened in the first place), kitchen/outdoor light that no longer works, loose recessed lighting,, and plumbing leak. They also let you know and disclose that things may break since theres pressure on the roof. Its in the contract but it highlights loose items and such... but realistically, not electrical going out or plumbing leaks based on what ive learned from others and neighbors. I also had my plumbing inspected and redone in September 2024. Now, im not saying they were at fault and that theyre to blame. It could just be my luck that it happened exactly on the day they were up on my roof after living here over a year. Also, very minor but there were trash left around that my inspector found. They were accomodating on making things right although they started to be a little short with me towards the end. I really considered referring them to other friends who needed their roofing done but not sure if my confidence is there if theyll be spending $$$ for an ok experience.

Coby Roof Repair - Low cost chimney repairs

Coby Roof Repair

(43 reviews)

Coby Roof Repair was fantastic! They came our right away, on time, looked at the leaks I had after…read morethe last big rain storm, showed me lots of photos of the damage, and told me why it happened also. They explained many options and also long term repairs, which I chose. In the end, what they informed me about to make repairs made clear sense and the cost was realistic. I never felt taken advantage of or pressured. I especially enjoy working with local companies, not in different counties. I offered several alternative options, which were all fine with them to do. In the end, after I thought about repairs, I did a major one as it would save me money over time. Even then the price was not outrageous. I highly recommend them and their team. I was provide photos throughout the work and texted many times about what was going on-even when I was not on site. Highly professional and also very nice to chat with. I'm never going to use anyone else. You can't be disappointed with this company!

I've known Coby, the owner, since 2023 when he first came out to fix my leaky skylight. He spent a…read moregood amount of time on the roof, took detailed pictures, explained everything clearly, and made sure the leak was fully resolved. I was so impressed with his work that a couple of my neighbors asked for his information -- he repaired their roofs as well, and they were all very happy with the results. In late 2025, after the big storms, I contacted Coby again for another skylight leak. Just like before, he diagnosed the issue, explained exactly what was causing it, and repaired it at a very reasonable rate. What I appreciate most is his honesty. A lot of roofers are quick to tell you that you need a full roof replacement. Coby is the opposite -- he gives you a true, honest opinion and does everything he can to save you money from unnecessary work. He takes the time to find the real source of the leak and shows you the proof. It's very hard to find a dependable roofer, especially when you have a two‑story house and can't get up there yourself. You have to trust the person you hire, and I trust Coby wholeheartedly. He stands behind his work, he enjoys what he does, and it shows in the quality and care he puts into every job. Highly recommended.

Everett Roofing - Front view

Everett Roofing

(109 reviews)

I've needed a new roof for many years and we were on our third roof, so that means it all has to…read morecome off. I got five different bids with quite a bit of price range. I settled on Everett Roofing due to pricing and labor warranty. (10YRS, not that you're going to need it) I had a few questions and Mike was quick to answer. We gave a small deposit and set a date. A crew arrived to strip the old roof off and hauled away the material. Whew what a mess, but they did a good job to keep it as clean as possible. Next came Nate, Edward, Mark and Emilio and a load of material. A couple of days later and here we are with a new roof. Mike, Nate & Crew have been doing this for many years and they know what they are doing. Everyone was polite, hard working and didn't push or look for extra work to charge me for. So you need a roof? Give Mike a call and see what he can offer, cause if anyone asks me I'll tell them to contact Everett Roofing!

The Mike Everett Roofing Company did a great job re-roofing my son Adam's house a few years ago, so…read morewhen it came time to do my roof, the Everett Roofing Company was the logical choice! Mike, Nate, Edward, Mark and Emilio worked together perfectly to deliver a beautiful new roof on my home. This project was difficult due to the steepness and size of my roof, but 7 working days later it is all done and looking great! I could not be more pleased! Thank you Mike, Nate, Edward, Mark and Emilio!!

Stratton Termite & Roofing Solutions - Seamless Gutters

Stratton Termite & Roofing Solutions

(178 reviews)

I cannot recommend Stratton Termite & Roofing Solutions highly enough! From the very first…read moreconsultation, Frank (the owner) and his entire team exceeded my expectations in every way. What really stood out to me was how Frank went above and beyond to make the process stress-free. He personally helped me get all the necessary permits, going completely out of his way to handle the red tape so I didn't have to. On top of that, they didn't just do a quick fix--Frank made sure to replace a significant amount of damage they found, ensuring the job was done right and would last. The quality of the work is top-tier, but the customer service is what truly sets them apart. Frank and all of his employees were incredibly kind, respectful, and professional throughout the entire project. They kept me updated constantly and were amazing about working within my budget without ever cutting corners. If you're looking for an honest company that actually cares about their clients and does beautiful, thorough work, look no further than Frank and his crew. They are the best in the business!

Stratton Termite & Roofing Solutions made what could've been a very stressful HOA roofing and…read morefumigation project feel easy and manageable. Frank was incredibly responsive, kind, and patient--he answered our many questions, always picked up the phone, and personally walked us through the whole process. Coordinating schedules with an HOA, multiple owners, and unexpected rain is no small task, but Frank worked with us every step of the way and made it happen. All documentation was handled smoothly, the team was on time, professional, and respectful, and the fumigation crew did a fantastic and thorough job. We got several bids and Stratton's pricing was absolutely the best especially considering how comprehensive it was. What set Stratton apart is that Frank also does roofing--we had just re-done our roof and were worried about broken tiles. Most companies told us we'd need expensive "roof insurance" or to hire a roofer afterward, but Frank handled everything. In the end, no tiles even needed to be replaced. They were incredibly careful and professional. What really stood out was the level of care and communication. Frank truly went above and beyond. If you're dealing with a townhome or HOA project, I can't recommend Stratton enough--easiest five-star review ever. I feel so grateful to have found Frank here on Yelp. Don't hesitate to call him if you're in need of anything termite or roofing related!

Parkside Roofing - Rossmoor, CA Tile Roof

Parkside Roofing

(244 reviews)

I needed to find someone to inspect a water leak that became a problem with the recent rain…read more I found Parkside Roofing on Yelp after a short research and knew I wanted to contact them over the many choices listed when I read over their reviews. Dave was prompt in responding to my Yelp inquiry and got me scheduled within just two days. He was very punctual, professional, knowledgeable, and honest throughout the entire process- from the first contact to the last. I received an inspection and estimate on a water leak from the wall near the window and upon his thorough inspection of inside, outside, above the home with a drone, Dave came to a conclusion that it was most likely related to the window itself. He spent his time explaining his findings and going over the condition of the roof which demonstrated his knowledge and expertise. He told me to do a water challenge test from outside the window since he'd rather do the least invasive thing first, rather than go straight to the roof since he didn't see anything visibly wrong with the roof. Within 48 hours of the inspection he emailed me photos of the roof that he took with his drone and an estimate of the roof repair if I were to need it. Dave was a pleasure to work with and he will definitely be the person I contact and refer to others when there is ever a need for any roof work!

I called Parkside roofing to patch a roof leak, with a 1 year warranty. During the job itself they…read moreseemed like nice guys, talk you up about customer service etc. But as soon as the job was done I noticed that the clay tiles I had was not aligned right. Some was so bad that you could literally see exposed underlayment. I was only able to catch this due to a bathroom window I have that just happen to overlook it. If I got the work done on a different part of the roof, probably would never have noticed. And would never be able to call them to address it, so keep that in mind. What's worse is that since the roof work there was no major rain for 16 month, which is outside of the 12 month warranty. So I guess if you never put their roof to the test against mother nature then I guess it's perfect service. But the first time it's suppose to do its job it fails to do so. At this point I'm not sure what they did mess up my tiles and take my money for the privilege. I would literally be in a better position had I not paid them to do "work" on my roof. I tried contacting them several times and met with the cold shoulder. I'm probably just going to eat my losses here but if you're considering them, just be warned. Or make sure it rains in the warranty period!

America's Best Roofing Company - Certified Platinum Preferred Contractor

America's Best Roofing Company

(285 reviews)

A great company to work with. They've done two jobs on my property over the last few years and did…read morea great job and provided helpful advice on both occasions. The reps I dealt with were professional and friendly. Would definitely work with them again.

Contacted ABRC roofing for an estimate to spray foam some ponding areas to a small townhouse we…read morerecently purchased via their website. Received a call that someone would come to our home Friday, May 8th at 8 am. I received a text from an employee named Justin describing his background and that he would be here at 8 am on Friday. At 9 am I texted him to ask his whereabouts. No answer. I advised him we would be walking the dog and to text me when he was arriving. Justin never returned my texts nor did he show up. The owner Sergio showed up at 10 am. I advised him Justin never contacted me back. Apparently, there was a call in so Justin was needed to do a job but Justin never bothered to inform us. Sergio said the company has a 2 hour window for any estimate appointments. This detail was not on the mail I was sent saying the appoitnment was at 8 am. I told Sergio I just wanted the ponding to be sprayed and that I would apply the 2 coats of elastomeric myself. To me, it felt like he was using scare tactics and saying the job required a full crew. He said all of the solar panels needed to be covered which made sense to me. I have bought and sold several homes and have had rentals. I understand the work required to do a job. To me, it would take approximately 2 to 2.5 hours tops to spray foam the areas that needed to be raised just a few inches. We agreed the total sqaure footage to be spray a few inches was approximately 500 square feet. He said he needed the weekend to come up with an estimate because he had softball over the weekend. People have socials lives. I get it. To me, based on the work required and the amount of spray foam needed, I felt an appropriate estimate would be $2000 tops. I asked him off the top of his head what a rough quote would be, he said between $5000 and $7000. Well, it is Friday and no call, no email, no text and no quote. Again, I felt he was trying to scare me as I suspect he did not understand my knowledge base. You have a choice in picking a contractor in doing roof repair. Would you pick a contractor whose employees do not show up, someone finally shows up 2 hours late, claims there is a 2 hour window, verbally quotes a ridiculous amount, says a written estimate is coming 3 says later, then fails to sent a quote or any form of communication a week later?

GreenCal Construction - roofing - Updated May 2026

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