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Our custom windows are of superior design and quality. We also offer the most popular window manufacturers in America – consistent leaders in customer satisfaction, product excellence and customer service. We invite you to visit our showroom to get a true sense of what window styles will compliment your home or office.

Extraordinary Windows
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Extraordinary Doors
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Extraordinary Cabinets
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Extraordinary Molding
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Extraordinary Hardware
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What Our Customers are Saying

  • As a contractor, I’ve been using Johnston Millwork as a source for quality windows, doors and moldings for more than 7 years. Whether it’s a small, straightforward order or a large quantity of custom windows and doors, I’ve found their knowledge and resources to be invaluable. They also have the ability to produce customized windows and doors in-house, which can have its benefits. They’re up front about delivery dates, which is critical for keeping my projects on schedule. If there are issues, they resolve them promptly and professionally.

    Steve B. Contractor, Menlo Park

  • I’ve been doing business with these guys for over 15 years and they have always been thoroughly professional and very accommodating, rectifying mistakes quickly regardless of where the fault was made and they have a great selection of products…very handy! Wonderful people, great place.
    Henry A. Contractor, San Carlos

  • JMI was on time and saw that our existing front door frame needed modification and they came up with an excellent suggestion. They were so clever I had them look at another problem and they suggested an alternate and less expensive solution. So we are hiring them to do that, too! I have found them to be honest and trustworthy and cared more about my needs that their bottom line!
    Judy L. Homeowner, San Carlos

  • I have used JMI for over 20 years. Great service for a competitive price.
    James P. Contractor, Portola Valley

  • JMI is a great place for moldings and custom windows.
    Laurence W. Homeowner, Palo Alto

  • The customer service of this company is beyond anything I have experienced among contractors. They know more and stand behind their work.
    Esther G. Homeowner, Stanford

  • We have worked with Johnston Millwork over 10 years. High quality work and great service.
    Raymond A. Contractor, Redwood City

  • I’m very happy with the quality and look of my windows and door and would recommend Johnston Millwork, Inc.
    Cyndee M. Condo Owner, San Carlos

  • Worked with them 15 years and no problems!
    Eric M. Contractor, Redwood City

  • Very fine service. Very knowledgeable staff and Ray is the best.
    Ron M. Contractor, Redwood City

  • Love coming to the showroom/warehouse with my clients. Professional service, great knowledge for custom and regular stock products.
    Mike. M. Contractor, Redwood City

  • Professional, responsible. JMI has consistently assisted us with years of orders & merchandise to complete our projects.
    Ken L. Contractor, San Bruno

  • Over a business relationship spanning 30 years, I’ve always been very satisfied in all areas of service. From initial phone call placing orders to delivery of merchandise I would have to give 5 stars on all of them.
    John B. Contractor, Redwood City

  • We are a General Contractor that has worked with JMI for several years. They have always been fair with cost, produced excellent workmanship and work hard to get the quote and job done right the first time. 95% accuracy on due date (orders arrive on time).
    Judy G. Contractor, Cupertino

  • JMI has always come through for me with quality service.
    Kevin B. Contractor, Menlo Park

  • Always the best in customer service and the highest quality of work. Been using Johnston Millwork for 18 years.
    Richard B. Contractor, Redwood City

  • Very knowledgeable. Very good to work with.
    David W. Contractor, Menlo Park

Experience the Extraordinary

Get in touch with us today for a free consultation.

We would love to discuss your project with you, and are confident that we can produce truly extraordinary results
for your home or business.
Contact Us Today!
Johnston Millwork, serving the Peninsula and Bay Area communities of
Redwood City, San Carlos, San Mateo, San Francisco, Palo Alto, Atherton, Los Altos, the East Bay and surrounding areas.