Victor and Carlos were helpful ,replaced my broken window at a resonable price. They did a clean…read moreand good job.

Superb service! Not only did Victor, recheck my measurements for a 1/4" pane of glass needed to…read morejury-rig my Air Conditioner, he checked the installation and beveled the edges to ease the glass insertion. I've recently had my shoulder replaced and can't install it myself. He offered to install it. Nice guy; expert craftman! Fair price.

2026-04-23: I have used this company twice now. Both times have been fantastic. This time they…read morewent out of their way and accommodated us to make our project come out great. I couldn't be happier. I guess my review will include pictures from both projects.

The team of professionals at this company is honest, considerate, open to questions, and deliver…read morehigh quality product. We needed an accessible shower installation for our ADU. Michael Crooks was very responsive as a company rep and everything he quoted was delivered just as he said. The quality of the shower is excellent and we love the Koehler fixtures. We chose black on white to assist those with visual deficits and really like how they turned out! The fold down seat is also a plus for those with endurance challenges! The demolition andinstallation team of Jose, Gabriel and Jairo could not have done a better job! They were timely, efficient and professional. They demolished the shower and tub one day and took away all the debris. Then, the next day, they built the frame and installed the new walk in shower exactly as we requested. They were pleasant to have on our property and we're considerate in where they set up their workstation and parked their trucks. We did have a challenge posed by the installation day with company coming to visit us... And they worked out a mutually agreed upon date that met our needs. I highly recommend this company.. ask for this team of installers! You won't regret it!!

Incredibly nice and responsive folks that helped me Track down a runner that goes beneath a Millard…read morescreen door. Fantastic communication highly recommended.

I truly cannot say enough amazing things about this company. I came in hoping to replace both my…read morebedroom windows and the sliding door in my living room, and from the very first interaction, I was met with nothing but warmth, honesty, patience, and professionalism. Nan was the one who initially educated me in the office, and she was absolutely incredible. She took the time to walk me through everything, answered all my questions with so much clarity and patience, and genuinely wanted me to understand what would -- and would not -- solve the issue I was experiencing. Her knowledge and care made me feel respected, informed, and never pressured. What completely blew me away was the honesty. Despite being more than capable of selling me new windows, they were the only shop that told me the truth: the change I was hoping for couldn't actually be achieved through window replacement alone. That kind of integrity is rare and speaks volumes about this company's values. Then there's Roy -- one of the owners -- who personally made the journey out to my home to further educate me. The fact that an owner would take the time to come out himself, explain everything in person, and make sure I fully understood my options is something you just don't see anymore. He was thoughtful, thorough, and incredibly generous with his time. And yes, fair warning -- Roy looks like he walked straight out of a magazine. Be prepared to be completely stunned by the presence of an actual god while receiving some of the most honest, professional guidance you'll ever get about windows. Even though they didn't make a sale this time, Lion has earned a customer for life. I will absolutely return for all my future window needs and recommend them to friends and family without hesitation. Please don't ever change, Lion. Whatever you're doing is working beautifully. Everyone was so kind, genuine, and knowledgeable. Huge gratitude to Nan for her education and patience, and to Roy for going above and beyond by coming to my home. I can't recommend this company enough and wish them nothing but continued success.

Needed a Milgard window replaced in our kitchen due to condensation between the dual panes…read more Frontier Windows was recommended by another glass vendor & I'm so glad we went with them instead of looking through that foggy window for another minute. It was super easy to schedule them. They came out to measure & then came out several days later once the replacement glass was ready to do the install. Left no mess behind & final charge was the same price as they originally quoted. Can't argue with that!

Frontier windows was the most legit window company to ever work with. Professional, honest,…read moretrustworthy, and super skilled at what they do. The team is excellent and makes sure that you are satisfied with the product, the service and the friendship! I would highly recommend everyone work with Frontier for any window or sliding glass door related needs! Look nowhere else! Thank you John

Long overdue! But this company exceeds my expectations when it comes to customer service. Many…read moreyears have passed since they have installed new windows to our home, and they still continue to help us by answering our questions and providing follow-up service and minor repairs. I highly recommend this business to anyone :)

Rob is very professional. He came in on time, patiently answered our questions and did his estimate…read moremeasurements. We are in the process of obtaining a quote.

Pedro and Erik were great to work with. I have a busy schedule, and they were very accommodating…read moreand came all the way to Valencia to repair several windows at my condo. They arrived on time, which I really appreciate, and were professional, friendly, and easy to work with. One thing I especially like is that they're a small family business. When you call, you're dealing with a real person--not an automated system or AI. If they don't answer, it's usually because they're in the middle of a job, and they'll get back to you. I also felt they were very honest. They specialize in window repairs and will actually try to fix something rather than immediately tell you it needs to be replaced. If it can be repaired, they'll explain what they can do and work with you. If it can't, they'll be upfront about that too. They also repair and replace window screens, which is a nice bonus. It's great knowing I now have a reliable window company that services Valencia and the Santa Clarita area. The next time I have a window issue at any of our properties, Pedro and Erik will be the first people I call. Highly recommend them, and I wish them continued success with their family business!

So incredibly happy and thankful for Erik and Pedro. They answered my initial call (no annoying…read moreoperator press a button to get wherever nonsense!) to get some basic info and we communicated via text the rest of the time - convenient! They set up a time to come and measure my window before ordering, and price quote stayed consistent from day 1. Very easy and clear communication. Once the glass was delivered we set up a time for them to come out and install- they have a two hour window and I got a 15 minute eta text right in the middle of the time frame. This father and son team are so professional and got the job done quickly. My window looks so good! I hope to not ever need to replace a window again, but if I do, this is the only company I will be calling. Thank you so much!

Great job replacing my window, very professional, highly recommended for glass replacements.read more

Avoid Fast Glass & Window Repair by Olwin -- overcharges, sloppy work, and they'll ghost you when…read moretheir work fails I called them for a simple balancer replacement on one single-hung window -- a job their own website prices at $180+. I was charged $520. I knew I was being overcharged for maybe ten minutes of labor, but the technician was already on-site with parts in hand, my time is limited and I didn't want to start over with another vendor. While he was there, he upsold me on "expert maintenance" for three other windows to prevent the same worn balancer issue -- $150 each, $450 total. From what I could see, this "expert maintenance" was: pull the bottom sash, spray some silicone, put it back, slide it up and down a few times. Maybe five minutes of work per window. Still, I'd authorized it, so I paid the nearly $1,000 total bill. Three months later, all three "expertly maintained" windows failed with the exact same balancer issue. I reached out seven times over a week -- calls, texts, emails, the same photos resent four times -- before anyone responded in any kind of manner beyond, "send photos.". When a technician finally showed up two weeks later, he admitted the windows hadn't been clipped in correctly during the original service. All three windows needed new balancers. Olwin's office then tried to bill this as separate, non-warranty work. I don't buy their claim, for two reasons: 1. If the balancers were worn and starting to fail, a $150-per-window "expert maintenance" should have surfaced the issue. 2. Their own technician admitted the windows weren't clipped in correctly -- an unclipped window puts abnormal stress on the balancer system. If the sash is sitting crooked which can happen when windows are not clipped in, one balancer carries significantly more weight than intended while the other might over-extend or jam. This lines up perfectly with a failure three months later, on exactly the three windows they touched and no other windows in the house. Either way, this traces back to their $450 service, not normal wear and tear. They then quoted me $2,180 to install new balancers -- $450 per window -- for a problem their own team caused or missed. I told them that I'm willing to pay for parts to get to a solution, but I'm not willing to pay for any labor - it was their labor that either caused or missed the problem. They continued to be unwilling to accept any responsibility for this debacle. The last straw was when the manager started claiming that there are no clips on a single hung window (simply not true - all you have to do is look at my windows and see them). When I told him I now had no choice but to post a negative review about my experience with his business, he then accused me of "blackmailing" him -- and only then dropped his price to $225/window. Sleazy move. I called a different vendor instead: $200 per window, $600 total. Plus they lubricated and did maintenance on every window in the house at no extra cost. One call, one visit, done right the first time. Do the math: I was quoted by Fast Glass & Window Repair by Olwin nearly 4 times what another (competent) vendor actually charged -- for damage to repair Fast Glass & Window Repair by Olwin's own sloppy and negligent work. Save your time and money. Go elsewhere.

Jesus was prompt and did an excellent job on the windows in a timely manner. Would recommend to any…read moreof my friends!

I needed a window tinted for privacy and Jesse was responsive and able to do the job that day. I'm…read moresuper pleased!

The first step in earning my five star review is simple. Answer the phone! I reached out to several…read moreglass companies in my area and only Economy Glass got back to me, made an appointment, showed up on time and gave me a good quote. So in my book they are awesome. Jesse came out and took care of business in replacing my glass with all things considered a very fair price. I will definitely choose them for any glass problem in the future. And in fact I'm asking them to look at my 30 year old skylight for repair or replacement. I'm that confident in their services.

So friendly and welcoming even for a small job. They apologized it wasn't cheaper and worked to get…read morea lower price which we really appreciated. Very happy to support local businesses.

I consider this window company and also got quotes from over 8 different windows manufacturers and…read morecompanies We had 13 windows and a sliding door replaced. Most offered the same type of products just from different manufacturers. This company had a very reasonable prices which was lower than most of the competition with the same or better warranty and quality of product. They were able to customize the glass for a few of the windows for my situation having artificial turf. But the windows are still California compliant and passed inspection for the permit. The installation was completed in one day. They did a good job cleaning up after the work was completed. I recommended them to a few co workers at the office.

We recently had our windows and sliding glass door installed by Smart Window Company. They really…read moretook care of us and made the entire process easy. Andrea was very thorough during our consultation and really took the time to find out what was important to us. The installer crew was notably professional and the installation came out beautifully. Our windows and door are BEAUTIFUL and they drown out the noise from outside (Finally!!) The quality of the windows were my top priority when shopping around and the features won me over, especially the performance features on the sliders. Secure, yet easy to open and close for my elderly grandparents. We're so happy we chose SWC and are looking forward to working with them again on future projects. 5 stars all around!