Gregory D. Reidenbach

Senior Associate


Gregory Reidenbach primarily works in the investigation and repair of exterior building envelopes. He has experience in all major aspects of projects, including initial investigation and field testing, repair design, construction document preparation, and construction contract administration.

Mr. Reidenbach evaluates and repairs exterior wall systems such as precast concrete, portland cement plaster (stucco), clay masonry, concrete masonry, rain screen, and traditional wood siding systems. In addition, he works with the design, evaluation, and repair of below-grade waterproofing, plaza waterproofing, and roofing systems.

Mr. Reidenbach also provides design consulting and peer review services to architects and developers for building envelope and waterproofing systems and participates in historic renovation and rehabilitation projects.


Facade Assessment

  • 1060-1090 East Arques - Sunnyvale, CA: Facade assessment and weather barrier repair design
  • One Market Plaza - San Francisco, CA: Water leakage investigation and repair design
  • Royal Towers Apartments - San Francisco, CA: Facade repair and recoating; balcony deck waterproofing
  • The Allure at Scripps Ranch - San Diego, CA: Facade assessment and rehabilitation design
  • The Tamalpais - Greenbrae, CA: Leakage investigation and repairs and window replacement design


Historic Preservation

  • Crystal Cove Beach Cottages - Newport Coast, CA: Assessment and rehabilitation of vernacular beach cottages
  • Key System Building - Oakland, CA: Historic facade and banking hall condition assessments; rehabilitation designs


Peer Review

  • Laulani Village Shopping Center - Ewa, HI: Peer review of new building envelope systems
  • The Lex on Orange - Los Angeles, CA: Peer review of new building envelope systems


Repair and Rehabilitation Design

  • Distribution Center - Livermore, CA: Designed sealant repairs for metal-panel facade
  • Wawona Hotel - Yosemite National Park, CA: Second-floor restrooms and shower rooms rehabilitation design


Roofing and Waterproofing

  • University of California, Berkeley, Bowles Residence Hall: Flat roofs replacement design
  • Grace Cathedral Great Stair - San Francisco, CA: Plaza and planter waterproofing design
  • Legacy at Westwood - Los Angeles, CA: Swimming pool and pool deck waterproofing design
  • Royal Towers Apartments - San Francisco, CA: Swimming pool and pool deck leakage investigation; waterproofing repair design
Professional Affiliations

Construction Specifications Institute
International Concrete Repair Institute - Northern California Chapter, treasurer


Certified Construction Documents Technologist


University of Michigan