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Welcome to GPR One Call – Serving New Jersey, New York and Pennsylvania

Private Utility Location Mark-Out –  ASCE 38-02 Quality Level A and Level B utility locations.

GPR OneCall BBB Business Review

GPR One Call uses the newest non-invasive subsurface technology and training to provide the safest and most accurate methods for locating underground utilities, storage tanks and anomalies.  We provide cost effective services to both commercial and residential projects in a professional and timely manner.  Most of the work we perform is on a flat fee basis so you know the cost before we start.  For all of your surface paint mark-outs you can count on GPR One Call to get the job done right.


  • Ground Penetrating Radar (GPR)
    Ground Penetrating Radar (GPR)
    GPR is the newest technology for locating hard to detect utilities such as plastic pipe that is used for water and gas lines. GPR is also…
  • Electromagnetic Detection (EM)
    Electromagnetic Detection (EM)
    EM utilizes several different methods to locate utilities know as passive, conductive and inductive. Our experienced EM Technicians evaluate each project while on site to determine…
  • Vacuum Excavation
    Vacuum Excavation
    Vacuum excavation allows for exposing buried utilities without any damage that might occur if excavating machinery or convention hand tools are used. Then exact depth measurements…