South Valley Windows

Diamond Rating

To earn the Exceptional Consumer Satisfaction Diamond, the dealer must have 5 or more reviews within the last year on and maintain an average of 4.5 stars or higher.
To earn the Showroom Diamond, the dealer must have a showroom with a minimum number of Milgard products on display.
To earn the Web-Site Diamond, the dealer must have their own Web-site with information about the Milgard products and the services they sell.
To earn the AAMA Certified Diamond, the dealers must have at least one member from each of their installation crews complete the AAMA Installation Masters training and pass the AAMA Certified Install test.
To earn the Product Knowledge Diamond, all Dealer Sales Consultants must pass a series of standardized Milgard administered tests demonstrating Milgard product knowledge.


315 First St
Gilroy, CA 95020
United States

Store Hours

Monday7:30am - 4:00pm
Tuesday7:30am - 4:00pm
Wednesday7:30am - 4:00pm
Thursday7:30am - 4:00pm
Friday7:30am - 5:00pm

Services Offered

Consumer financing
Essence Dealer
Free estimates
Has Showroom
MGWS Dealer
New construction
Offers installation
Replacement Specialist

About Us

With over 15 Years in the window industry, South Valley Windows, Inc. continues to build a reputation for excellence in service, quality, and value through out the Santa Clara, Monterey and San Benito Counties. We are a family owned full service window and door company offering a complete line of the nation's highest quality energy efficient Windows and Doors. Our trade experience, product knowledge and history of home building allows us to gain the respect of thousands of satisfied home owners, local contractors and builders. Whether you want to improve your home’s energy efficiency, security, sound control or appearance, South Valley Windows offers the solutions you need. We can help you determine the best window options for your home and we will provide you with a free estimate. No annoying sales tactics—just down-to-earth people with a sincere desire to help you with your window project .

Awards Received

  • Installation Masters- AAMA Certified
  • CA General B Contractors Lic. - C-17 Lic.
  • EPA Lead Certified
  • BBB Accredited , A+ Rated

Areas Served

Santa Clara, Monterrey and San Benito Counties: Gilroy, Morgan Hill, Hollister, San Martin, San Jose, Watsonville, Salinas, Cambell, Los Gatos, Santa Cruz, Monterrey


South Valley Windows

See All Reviews
South Valley Windows is rated 4.8 out of 5 by 57.
Rated 5 out of 5 by from We're very happy with our choice of windows! We have done business with other window companies in the past, but South Valley Windows surpasses all of them!
Date published: 2018-11-26
Rated 5 out of 5 by from Excellent service Paul and staff are great. Fair price and reliable and good products
Date published: 2018-11-13
Rated 5 out of 5 by from Quality work! Professional and courteous staff. Work done on time and clean up was done.
Date published: 2018-08-02
Rated 5 out of 5 by from clear vision Old double panes had failed. Waited years to place them and they are worth every penny
Date published: 2018-06-29
Rated 5 out of 5 by from Great prices! And great people!! I been going to south valley for about a year now haven't had a problem. Joe is amazing and Regina is awesome as well! Definitely recommend!
Date published: 2018-06-29
Rated 5 out of 5 by from Great new windows! Good pricing! As we could not do the new construction windows, the retro window replacement turned out great! No need to replace stucco or wood. What a temperature and sound difference new update windows make!
Date published: 2018-05-08
Rated 5 out of 5 by from Very professional & wonderful product The windows and the sliding glass door we had installed made a big difference with the house staying cooler on hot days, so I'm sure the opposite will be true in the winter. Great for the electricity bill. Joe was very professional and friendly, every step of the way. The install crew did a very good job. I was completely satisfied and would highly recommend this company to everyone!! The look of these retro-fit windows are wonderful as well.
Date published: 2018-05-08
Rated 5 out of 5 by from Great customer service! Joe and Paul are very knowledgeable in their product and can help guide you in the right direction to meet your needs. Installation was a breeze. The installers are very professional and left the job site clean and garbage free. Regina provides great customer service in the office and helped answer any questions I had. She kept me informed on the status of my job throughout the whole process. I would definitely recommend South Valley Windows for your window needs.
Date published: 2018-01-27
Rated 5 out of 5 by from Great Service Paul's crew at South Valley windows performed the work agreed upon, on budget, and ahead of schedule. The crew was courteous and professional to my tenants and I like the fact that everyone was a full time window installer (as opposed to a partial crew with a couple day laborers). Workmanship was good and I have no complaints.
Date published: 2017-12-21
Rated 5 out of 5 by from Great people to work with South Valley Widows are good people to work with. I had other's come in to give me a quote and I didn't even like talking to the guy. South Valley installers are very professional they are fast, clean and did a great job .
Date published: 2017-12-21
Rated 5 out of 5 by from EXCELLENT! We love our new windows from South Valley Windows. They are beautiful, quiet, and energy efficient. We had a wonderful experience start to finish. I would highly recommend this company.
Date published: 2017-12-21
Rated 5 out of 5 by from Refreshing Window contractor with old school customer service Replacement window contractors get a bad wrap in general, and in many cases deservedly so. But not South Valley Windows. Great bunch to deal with. No Hassle, upfront, honest and responsive. Very flexible, good pricing and great service. Installation was quick and very clean. These guys do a great job. Highly recommend them.
Date published: 2017-10-05
Rated 5 out of 5 by from Excellent dealer Joe was great he help me with my order my windows and got them here in a timely matter. Will be using again.
Date published: 2017-10-04
Rated 5 out of 5 by from Great Service from South Bay Windows I will highly recommend this dealer to any of my friends who may be looking for new window installation!
Date published: 2017-08-31
Rated 5 out of 5 by from It took awhile for the ordered window to arrive After the window arrived, the dealer arranged for installation promptly. The unique requirements for the installation were handled expertly. We are very satisfied.
Date published: 2017-08-30
Rated 5 out of 5 by from Love my new windows I installed new windows to cut down on road noise and cool the house. The road noise decrease is a miracle! The house seems cooler without running the a/c. The hardest thing is getting the quote to start the work.
Date published: 2017-06-16
Rated 5 out of 5 by from Great product and service. South Valley Windows did a great job. Timely and professional.
Date published: 2017-06-08
Rated 5 out of 5 by from Outstanding Customer Service. Thank you S. Valley Windows ! As a General Contractor we can always depend on you for quality material , on time installations and amazing customer service! Thank you for being part of our team and helping us meet our home remodeling deadlines .
Date published: 2017-04-24
Rated 5 out of 5 by from Great customer service Very easy to work with and quick turn around time, DRP will continue to work with South Valley Windows
Date published: 2017-04-24
Rated 4 out of 5 by from 95% Overall Rating Overall 95% Rating. Initially at the completion of the job the crew left some small debris behind in and around the job site Came back the following day to clean up and clean the windows. A lot of the window cleaning to be done was from the MILGARD Window Labels affixed to the windows when leaving the MILGARD Factory. MILGARD (and not South Valley windows) needs to come up with a "Better Quality Label" that does not leave the adhesive smear on the windows. This causes the contractor South Valley windows time in labor to clean as well as the end customer. MILGARD needs to address this issue. J. Lundy
Date published: 2017-04-05
Rated 5 out of 5 by from Great customer service I am a local builder and have been buying my Milgard windows from Paul and Joe at south valley windows. They have been great to work with even when Milgard itself have been less than satisfactory. But they stood behind the Milgard product when I was ready to move to another manufacturer. I only give out a couple of refurels and south valley windows are one of them. Brian Eslick Better Built Construction Inc.
Date published: 2017-03-28
Rated 5 out of 5 by from I would highly recommend South Valley Windows The installers at South Valley Windows showed up to our home and were clean, punctual and friendly. They did a great job and we are very happy with our new Milgard Windows.
Date published: 2017-03-26
Rated 5 out of 5 by from Enjoying new windows We really like the look of our new windows and appreciate the reduction of noise and drafts. Paul did a great job finding replacement windows that would go with the character of the house, as well as provide the functionality we were looking for. We have more windows to replace and now have the added confidence of knowing what we're doing.
Date published: 2017-03-11
Rated 4 out of 5 by from Installation was perfect! South Valley Windows did a great job in replacing a damaged Millgard Window.
Date published: 2017-02-01
Rated 3 out of 5 by from Polite, fast, but destructive I really enjoyed my interactions with everyone. They were all polite and I felt comfortable having them in my house when I was at home with my girls. Unfortunately I didn't realize until later that there are dings from them bring the new windows in all over my house. Hallways, door jams, around the window
Date published: 2017-02-01
Rated 5 out of 5 by from Experts on bay window installation in a modular home. Fabulous family-owned company. Paul and Joe gave expert on-site advice about my project including a challenging bay window installation. South Valley Windows was the only company I interviewed that was willing to attempt it. The end result is beautiful. Great customer service from entire staff.
Date published: 2016-01-25
Rated 5 out of 5 by from They are great I would recommend this company to anyone and I have. They have a great crew and are very professional. They were wonderful to do business with.
Date published: 2016-01-20
Rated 5 out of 5 by from Overall Excellent! Joe & his team did a great job! Will use again for any future jobs.
Date published: 2015-10-22
Rated 5 out of 5 by from This dealer provides awesome service and education. Needed to replace 35 year old leaky patio sliding glass doors, this dealer took the time to show me the various product offerings from Milgard and explained how the product is installed. He explained how the welded frame construction prevents water penetration. He made suggestions on how to handle the internal trim options. And finally the product was expertly installed, on time and as promised.
Date published: 2015-10-12
Rated 5 out of 5 by from This Dealer has great customer service, staff, & installers. All around an A+ Organization South Valley Windows Company in Gilroy, Ca has completed several jobs for my company. They are a prime grade company with great ownership, staff, & installers. They install on schedule, on time, & great product & Service. Very lucky to have a local window company with such great service. Thank You Paul & Regina & Co.
Date published: 2015-10-09
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