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GB Underground For Customers and Vendors

On this page find information for property owners, general contractors, and suppliers working with GB Underground. Property Owners and GCs can find contact information and steps to hiring GB Underground. Suppliers can find important payment health and project management information for credit qualification. Find company references and see experiences from other companies including average contract terms.

Preliminary Notices and Lien Waivers


Preliminary Notices

Requests and receives notices from Suppliers?

Sends preliminary notices to GCs?

Lien Waivers

Sends lien waivers to GCs?

Requests and receives lien waivers from suppliers?

Notices by State

  • Texas

Lien Waivers by State

  • Texas

Forms at Start or During Job


Start of Job
259,360 others have recently sent preliminary notice.
Change of Job Items

    How to Get Paid


    Apply for payment
    Need Progress Pay for Completed work
    65,444 contractors have recently exchanged with Levelset.
    Finished Job and Need Final Payment
    65,444 contractors have recently exchanged with Levelset.

      Typical Contract Terms


      Retainage

      Typical retainage not yet submitted for GB Underground.

      Payment Terms

      Typical contract pay terms not yet reported for GB Underground.

      Days to Payment

      GB Underground typically pays in > 60 days. This is self-reported by other contractors at the end of projects.

      100% > 60 days