The Window Guild

I would like to thank Window's Guild, Adel Alami, Evan, Quinn, & the construction team for the outstanding job in installing our new windows and sliding doors. From start to finish, Adel, and the team were professional, courteous, and punctual. They demonstrated exceptional workmanship, paid close attention to detail, and completed the installation with great care. We were especially impressed with how thoroughly they cleaned and tidied up at the end of workday, leaving our home neat and organized. We are extremely pleased with the quality of our new windows and sliding doors, as well as the excellent customer service we received throughout the project. I highly recommend Adel Alami, and the Window's Guild team to anyone looking for professional, reliable, and high-quality window installation services.

I don't write many reviews, but Window Guild absolutely earned this one. They installed Milgard retrofit windows in my personal residence in Sunnyvale, replacing the original 1960s aluminum-frame windows and a patio door. The transformation was incredible--it completely changed the look and feel of the house. From start to finish, the attention to detail was outstanding. Adel, the owner, is one of the most responsive contractors I've worked with. He always answers his phone, follows up, and genuinely cares that everything is done right. Quinn was also fantastic throughout the process, and Kevin did an excellent job with the measurements and made sure everything was accurate. The experience was so good that I recommended Window Guild to a friend, and they completed another project in Berkeley consisting of 18 windows and 2 patio doors. Once again, everything went smoothly and the results were excellent. On top of the quality of the work, their pricing was very competitive. I spent a lot of time getting quotes from many of the well-known window companies you see advertising everywhere, and Window Guild offered some of the best value without sacrificing quality or service. If you're l

The Window Guild replaced 39 windows in our home! The crew arrived consistently on time and worked hard all day. They were polite and very professional and the windows look fantastic! We highly recommend this company and the product. The design selection for 39 windows allowed a variety of visual interest which Michelle was great in suggesting. Kudo's to everyone.

I was very pleased with my experience with the Window Guild. Despite being now headquartered in Fairfield, they are a San Francisco company from way back and still do about half their business in SF. The person who came out to assess our situation was Adel, and he was easy to connect to and trust. His answers were always knowledgeable and had reasons. He assessed that two of the windows I was replacing were incorrectly installed in the first place, which did not surprise me because whoever lived here in the 90s was a real do-it-yourselfer with more ambition than skills. So those two needed a 'rebuild,' but our bay windows were fine with a less expensive 'replace.' Once I signed the contract, the next person to come out was Kevin and he took very specific measurements and also rang with credibility. I was pleased to learn that many of the Window Guild employees have been with them a long time, which speaks well of the organization even if it was sold once. On install day, some new guys came out to get started, and they were also pleasant and professional. Kevin came out a few hours later to provide senior supervision, so this was not at all like having the senior guy sell the work b

When it came time to replace the windows in our home, we made a conscious decision to support a small, family-owned business rather than a large chain. We couldn't be happier that we did. We found that in The Window Guild. Our home presented several unique challenges due to its age, and we had real concerns about finding windows that would properly fit our structure, meet current code requirements, and still look great. From the initial first inspection and estimate to the final quote, they worked with us to find exactly what we wanted. They helped us locate windows that not only checked every box functionally, but honestly look phenomenal throughout the entire house and we're already noticing meaningful energy savings. The estimator we had was super patient with my husband and I. The installation crew was incredible. They were exceptionally professional, kept everything clean throughout the entire process. What really set this company apart, though, was what happened after the install. Quinn not only made sure we had our warranty information for the installed windows, but also once again made sure we were satisfied with the windows and installation. That kind of follow-through is