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