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About Us

Montross Companies, Inc. is a fourth-generation, full-service roofing, decking and waterproofing company serving customers throughout Orange County.


Started by David Montross in 2000, the company has C-39 Roofing, C-61/D-51 Waterproofing and Weatherproofing, and B General Contracting license classifications.


Some of Montross' specialties include:

  • Complete Roofing Systems: Commercial, industrial and multi-residential buildings, Title 24 roof coating specialists

  • Complete Decking Systems: Acrylic, urethane, epoxy and fluid spray applied systems

  • Complete Sub-grade Systems: Building and structure waterproofing (sheet membrane/fluid applied)


Preventative roof maintenance, emergency leak detection and service, restoration and consulting are also available.


Montross recently joined the Solar Integrated Roofing Corporation (SIRC), an integrated solar and roofing installation company. Also included in their family of brands is SunPower by Milholland Electric, a premier solar, energy storage and roofing company serving San Diego and Orange County.

Industry Memberships & Associations

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