San Francisco Bay Area General Contractor

San Francisco Bay Area General Contractor

G.T.I, Inc has been offering general contracting services to the San Francisco Bay Area and all surrounding counties since 1989. We are specialize in all kinds of Commercial and Residential Construction Work. You can view our full list of services under the Services Menu. With over 20 years experience, you are guaranteed to have peace of mind knowing Greentech Industry, Inc is handling your general contracting needs.

SF Home and Room Additions 

Why choose GTI, Inc?

Looking to add on a kitchen, bathroom, study, bedroom? A home addition is a simple and relatively inexpensive way to improve your home and increase its value.

Serving San Francisco and the near areas, GTI, Inc. is your source for quality workmanship at an affordable price. We provide customers with a full range of additions and dormers that will make your old home feel new again! Room additions include:

Room Additions
Dormers
Kitchens
Basements
Bathrooms
Attics
New Garages
Decks
Porches
Stairs
Front entrances
and more ....


GTI, Inc. sets the standard in San Francisco home additions. For quick price quotes, quality workmanship and exceptional service, contact us today.