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Guyou Construction reviews
• updated MAR 3, 2026Loading map...
The Verdict
Guyou Construction is the installer you want on your roof. We analyzed thousands of reviews and found a crew that treats workmanship like a reputation they can't afford to lose. One homeowner watched them paint the conduit to match both the Spanish tile roof and the oatmeal-colored wall below it. Another came home from a day trip to find the panels installed and the yard cleaner than when they left. We counted 832 mentions of exceptional workmanship, and just 14 complaints. The professionalism runs deeper than tidy job sites. In 664 reviews praising project management, customers describe crews who show up on time every day, explain each step before they take it, and finish installs in two days instead of two weeks. When one skeptical retiree worried about roof damage, the team walked him through every stage until the panels passed inspection. A year later, a supervisor named LeRoy followed up unprompted to confirm the system still performed. If you want the cheapest quote in town, keep shopping. But if you want an installer who'll paint your conduit to match your house and show up in the rain to patch a leak the same day you call, the extra cost buys you peace of mind.
If you're weighing cost against reliability, know that Guyou charges a premium but earns it with crews who treat your roof like their own. You'll wait less, worry less, and actually get a follow-up call a year later.
3 Stories That Stood Out
J David hired them for a weeklong roof project to get his roof ready for solar. He watched the crew arrive on time every morning, start noisy work at 7 a.m. without complaint, and stay polite and professional throughout — then literally drive off the moment the job finished, leaving an impressive, ready-for-solar roof. Whenever a problem popped up, they paused to explain options to him and addressed it immediately, even when the issue proved smaller than first feared. The most distinctive part of the job was supervisor William: diligent, respectful, and methodical, he walked J David through every step and ran a tight, responsive crew who clearly respected his direction. J David joked he’d try to steal William for his own company and made a point that William deserved to be well paid. What stuck with him most was a spotless, finished roof fit for solar and a supervisor whose leadership kept the whole week running smoothly.
Joon had solar panels installed on his roof last year and, when a rainstorm revealed a leak, he called Guyou. He reached Bree, who arranged for roofers to arrive later that same day; the crew showed up in the rain and patched the problem on the spot. He waited a year to post a review because there wasn’t much rain to test the repair right away, and after that time there haven’t been any more leaks. The detail that stuck with him: a same-day response and a repair done in the downpour that has held up since.
On his Spanish-tile roof home, chris easley appreciated that the subcontractor crew handling a SunRun installation took the extra step of painting the conduit to match both the tile and the oatmeal-colored exterior — a small detail that made the array look integrated. He clarified this review focuses on the installers, not SunRun. The crew communicated clearly before, during and after the job, arrived on time, walked through the plan with him, completed the work and cleaned up so thoroughly that when his family returned from a daytime outing the yard looked undisturbed except for the new panels. Workmanship held up well; a subsequent inspection required a few minor tweaks and the team made those corrections quickly and without fuss. What stood out most was the attention to finish — the painted conduit and the nearly invisible cleanup felt like the finishing touch rather than an afterthought.
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Performance by Work Type
How We Got To Trust Score 93
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Serving customers for 8 years
BBB Rating: A+
Excellent BBB standing. Strong complaint resolution.
Natural Review Patterns
Reviews were posted naturally over time.
What You Can Expect
Joon had solar panels installed on his roof last year and, when a rainstorm revealed a leak, he called Guyou. He reached Bree, who arranged for roofers to arrive later that same day; the crew showed up in the rain and patched the problem on the spot. He waited a year to post a review because there wasn’t much rain to test the repair right away, and after that time there haven’t been any more leaks. The detail that stuck with him: a same-day response and a repair done in the downpour that has held up since.
Minnie, a senior on a fixed income facing high summer cooling bills, decided to put a solar array on her ranch-style home to cut energy costs. She worried the work might damage her roof or be shoddy — neighborhood rumors had made her skeptical. Those fears proved unfounded. Her SunRun system, installed by Guyou Construction, has been in place for over a year, sited to catch the most sun, and has run without problems. What stood out most was the install team’s patience: they walked her through every step, kept her informed, and respected her tight budget. The whole process stayed professional from first contact to completion, and she ended up with a trouble-free setup that has eased her summer bills and erased her initial worries.
Cathy hired Guyou Construction to put solar panels on her home and ended up impressed by how smoothly the project ran. Guyou finished the job quickly, scheduled the work to keep any power outage to a minimum, and left the property spotless when they were done. A year after installation, the crew checked back to confirm everything was working, and when she ran into a separate problem with SunRun, LeRoy at Guyou reached out to SunRun himself to see if his team could help. She’s hopeful that will resolve the SunRun issue — and what lingered most was Guyou’s follow-up and their willingness to intervene on a third-party problem on her behalf.
Lina G arranged a rooftop solar install, and the crew set the tone by calling the day before and arriving early. They asked a few quick questions, worked quietly and fast, and before long she walked the roof with them to inspect the panels and get every question answered. The team even went the extra mile by painting all the conduit to match her house, which made the installation blend in rather than stand out. A year later Leroy checked back in, and she has had zero problems — the system runs smoothly and has been offsetting her lighting costs consistently. The detail that lingered for her: a tidy, color-matched finish plus a personal follow-up that left the system trouble-free after 12 months.
Dave bought a Guyou solar array in 2018 for his San Diego-area home and all but eliminated his SDGE charges. After he discovered that panels alone won’t keep the lights on during a neighborhood outage, he upgraded in 2020 with a battery bank and an isolation switch; the system now switches automatically and keeps his power on 24/7 even when street power goes down. The financial upside showed up on his bills — SDGE credits of -$96.10 in May, -$210.50 in June and -$265.56 in July — and Guyou installed an Enphase-based setup without surprises, exactly as promised. When a network-communication glitch popped up recently, Guyou and Enphase technicians came out, tracked down the problem and got the system back online, reinforcing that the installation and aftercare hold up. What stands out for him is the seamless automatic backup during outages combined with prompt vendor support — and those three months of clear SDGE credit numbers that proved it.
Philip chose the company for a residential solar install and found the workmanship to be solid. The crew finished the job cleanly, and a year on he has experienced no problems with the system. The standout detail for prospective buyers: the installation held up through the first twelve months without issues.
Ojay F. found that John Morfin at Guyou Construction went well beyond what he expected. John delivered hands-on help and attention that turned a one-off job into a long-term customer relationship. With good help hard to find these days, the extra effort John put in is the detail that made the difference for him.
Rob Michaels called on Amber and Justin to straighten out his Envoy monitor, which hadn’t been reporting data since 2018. They patiently diagnosed the problem, walked him through the fixes, and got the system back online so the data feed is working again. Not comfortable with technical troubleshooting, he appreciated their clear, hands‑on help. In the end he has a working Envoy and can see his system’s output again — the concrete result he wanted.
Don hired Guyou Construction to design and install a solar system at his home, and the crew finished the entire job in a single day. He watched a coordinated, professional team work through the install, taking time to answer his questions and address concerns as they went. He felt their performance exceeded a typical five-star rating — he jokingly scores them a seven — and more than a year later, the system is still delivering: his year-end energy cost came in at just $206. He singled out Rob and the whole Guyou Construction crew for the smooth, fast installation and the big drop in his electric bill.
Long-term Satisfaction
Long-term satisfaction for Guyou Construction drops to 3.9 ★ compared to early reviews. This decline is worse than 75% of installers we looked at.
Long-term reviews carry the most weight in our methodology because they are most representative of what you should be paying for: a system that will perform for years.