818-957-2759 818-957-2885

Dick Nigra Inspections, Inc.


Dick Nigra Inspections, Inc. (DNI) specializes in multi-disciplined structural construction inspection and materials testing services. We provide a full range of services for inspection and materials testing for a wide range of high profile projects such as multi-story office, retail and housing structures, industrial plants, parking structures and more.

As a woman owned California Corporation DNI prides itself in taking a proactive role in its projects. We take this role in order to verify that construction and materials conform to design plans, specifications and the requirements of the applicable governing authorities.

Our materials testing and inspection services include, but are not limited to, Concrete, Post-Tensioning, Shotcrete, Masonry, Epoxy, Steel Reinforcement, Fireproofing, Structural Steel and Welding (shop and field). DNI’s materials testing laboratories’ main facility is located in the City of La Canada, our field laboratories can be located throughout Southern and Northern California. Our laboratories are fully certified by the City of Los Angeles Materials Control Department.


Our inspection services include, but are not limited by:

  • Reinforced Concrete

  • Post-tension Concrete

  • Structural Masonry

  • Shotcrete (gunite)

  • Drilled-in Anchors (epoxy)

  • Nailing

  • Structural steel identification and placement

  • Welding (field and shop). 

  • Spray applied fireproofing