Lera Glass
Project Gallery

eadquartered in San Bruno, CA, Lera Glass is owned and operated by John Rook. The company's mission is to collaborate with architects, engineers, contractors, designers and artists to construct ornamental, architectural, and fully functional elements using various techniques such as casting fiberglass, acrylic, wood and metal. Projects range in scope and scale, emphasizing quality and consistency regardless of the solution size.


Lera Glass Inc. has been in business for thirty years offering a wide variety of fabrication and manufacturing services to local, national and international clients.

The inception of Lera Glass started in John Rooks' garage growing into a vibrant 4,000 square ft manufacturing company located in down town San Bruno.


Lera Glass provides expert sculpting, prototyping, molding, and production services for residential and commercial projects. Drawing on more than 30 years of experience with refurbishing and new construction projects, Lera Glass restores facades and moldings to replicate original works or creates new and innovative ornamental design sculptures.

Coming from a very creative background, with years of training in the uncompromising world of aviation technology. Owner John Rook brings an inventive, precise and thorough approach to the projects performed at Lera Glass Inc.



Lera’s staff are competent craftsmen that have a great understanding of architectural styles, pay close attention to detail, always maintain high standards of quality and always look for better and efficient and less costly means of producing their castings. I look forward to a long term professional relationship with Lera Glass.

– Darrell James, AIA
Darrell James Architects

Lera Glass has consistently provided information that has allowed me too maximize my sculptures features and reduce my costs. Lera Glass has provided me the technical means to realize my artistic vision. John is a great problem solver. He will find a way to get the job done.

– Scott Donahue
Public Art Sculptor