About us

Why Choose Gergen Construction

34+

Years Of Experience

We bring the technical knowledge & experience

Gergen Construction is a Private Subcontractor for environmental mitigation & building envelope waterproofing systems; specializing in vapor intrusion, methane mitigation and building envelope waterproofing systems.

Gergen Construction: Lic# 435671

JSS Construction is a Union Subcontractor for environmental mitigation & building envelope waterproofing systems; specializing in vapor intrusion, methane mitigation and building envelope waterproofing systems.

JSS Construction: Lic# 881201

GC/JSS Specialties:

  • Vapor Intrusion Mitigation Design & Construction
  • Construction Management
  • Waterproofing Building Envelope Design & Construction
  • Estimating & Project Management
  • Business Development

Over 34 years of experience and 50,000,000 square feet of successful installations

Gergen Construction – License # 435671
JSS Construction – License # 881201

       

SOUTHERN CALIFORNIA OFFICE

1519 North Fairview Street
      Santa Ana, CA 92706
1-714-265-2008
Info@GCJSS.com

NORTHERN CALIFORNIA OFFICE

895 San Leandro Blvd
      San Leandro, CA 94577
1-714-265-2008
Info@GCJSS.com

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