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Residential & Commercial Glazing Contractor, Window & Door Product Experts, CSLB #736844

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700 Grant Ave, Novato, CA 94945
Marin/SF                        415-897-0088
Sonoma/Napa                707-559-7047
Email                           info@otglass.com
Blog            maringlassandwindows.com


Home   Install and Repair 

Installation Services

Old Town Glass is a California Licensed Contractor, with a C-17 Glazing License.  Our employees have unique skills to provide installation services for all the products we sell.h

We frequently work with homeowners, contractors, architects, and designers to specify and supply products for their clients. Our installation crew, will work with a contractor’s staff, to install the more complex products that we offer.

We utilize our own employees for all installations and service work.  We do not subcontract with outside installers. In the event your installation requires additional work, such as structural modifications, major dry rot repair, relocation of electrical lines, etc., we work with your contractor or can recommend one to you.  Because we sell and install the products we offer,  we can provide valuable insight and real world experience to help search for the solution you need.

Installation Instructions & Window and Door Installation Accessories

We carry a full line of installation products and accessories.  This includes Silicone Sealants, Waterproofing Materials, Flashings, and Caulking. 

If you need installation instructions for products purchased From Old Town Glass, please visit our installation instructions page for futher information.  This page also contains information on flashing and sealant compatibility. A frequent question is which flashing do I use and how do I kow that it is compatible.  This is a complex issue and to properly install windows and door, the installer must understand the answer and the products that they are using.

Repair Services & Warranty Work

We service and repair all the products we offer and any product involving, glass, screen, windows, doors, etc.  This is a short list of some of the products we service.

  • Broken Window Repair
  • Replacement of Broken Glass
  • Replacement of Failed Insulated Units
  • Repair and Replacement of Windows & Doors
  • Skylights
  • Shower Doors
  • Screens
  • Mirrors (Wall Mirrors, Bathroom Mirrors Framed Mirrors)
  • Plastics
  • Sliding Patio Door Rollers & Track
  • Commercial Doors
  • Door Closers & Hardware
  • Window & Door Weatherstripping
  • Window & Door Hardware
  • Wardrobe and Mirrored Closet Doors
  • Entry Doors
  • Pocket Doors

If you don’t see the specific item you need help with, please give us a call. More than likely we can help you with it.

We service products we sell, both under warranty and out of warranty.  We were closely with Marvin, Milgard, and Fleetwood.  With these manufacturers we frequently will perform the warranty work directly for you on behalf of the manufacture.  We can also assist you with brands that we don’t sell.  We perform warranty and service work on Pella, Jeld-Wen (Pozzi, Cradco, Norco,etc) and other manufacturer’s products. Old Town Glass has a large inventory of parts for older products and might have the part you need to repair and old window, door, shower, etc.   If we don’t have it in stock, we usually can get it within a week or two.

Certifications & Certified Installation


Installation of a glass server room in a commercial building. Larkspur, CA.

A few products we carry require factory authorized installation to maintain the product warranty. We offer certified installation and are authorized installers for the following products:

  • Fleetwood Norwood 3070-EX & 3070-CR Multi slide Doors
  • Fleetwood Aluminum Bifold Doors
  • Marvin Lift & Slide Door

We have InstallationMasters™ Certified Installers on staff. Our lead window installers are trained and certified as EPA Lead Renovators.  The United States EPA requires that any contractor, painter, window installer, property manager or landlord be certified as a Lead Renovator to work on any residential structure built prior to 1978.  Using a licensed contractor with EPA Certified Renovators is important to protect you and your family from the effects of lead.


Please visit the EPA’s Lead Renovation, Repair, and Painting website for additional information.

You may also download the EPA Renovate Right Brochure from their website.


Replacement of skylight glass on a restaurant in San Anselmo, CA.


Repair of commercial storefront glazing on the 4th Floor of the San Rafael Town Center Building, San Rafael, CA.

Serving Marin, Sonoma, Napa, San Francisco From Our Showroom in Novato.  Glass, Windows, Doors, Mirrors, Showers, Screens and More.
Old Town Glass, Inc., 700 Grant Avenue, Novato, CA 94945, CA License# 736844,
EPA Lead Safe Firm Certificate #NAT-24540-1
Phone: 415-897-0088, Fax: 415-897-0099, Email: info@otglass.com