RainierGPR Concrete Scanning, Imaging
& Utility Locating in Seattle, WA

Serving with Integrity and Professionalism


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About us

We continue to grow and build our reputation as the PNW Region’s most trusted GPR business.

RainierGPR is committed to providing quality service to the Pacific Northwest. We believe that having integrity and a reputation in reliable business is the key to success.

Tony RainierGPR



RainierGPR Concrete Scanning5.0 review us onCarlos B. ★★★★★ GREAT JOB, Tony is always a professional. We have worked together on several projects and they are always willing to go the extra mile, whenever we need their services they have done so punctually. 100% recommendedGregory N. ★★★★★ As a General Contractor with a thousand balls in the air at any one given time, I love working with Tony and his team. Rainier GPR is always quick to turn around pricing and scheduling short notice scans when necessary to keep our projects rolling.David R. ★★★★★ RainierGPR is a high quality and professional organization. We did business with them for a concrete scanning project in conjunction with the installation of two commercial garage doors. Tony showed up on time and worked quickly to scan and mark the needed areas. We will be working with Tony and his team again in the future!Joe H. ★★★★★ I am a commercial supervisor with 20 years experience and have worked with Tony in this capacity many times. Always, and I mean always a professional and level headed view towards his work and what his capacity is. You get complacent with work but one thing that always gets my skin to crawl is coring slabs! Integrity and trust is what helps set your mind at ease and this guy does it in spades. Have and always will use Tony for my scanning needs.Philip C. ★★★★★ The absolute best scanning company around! Tony is highly knowledgeable and goes above and beyond to communicate and explain things! RainierGPS has helped me out more than once when I was in a pinch! They are incredibly responsive! highly recommended!Gavin R. ★★★★★ Would give 10 stars if I could! We had Tony scan a project with an unknown amount of utilities under the slab, he is very professional, did an extremely thorough job, and to top it off he is just a great guy to work with! We can now cut the concrete safely and with confidence. Rainier GPR is the only scanning company I would recommend.Camellia H. ★★★★★ We have always enjoyed working with Tony from Rainier GPR!Rainier GPR performs quality GPR scanning for our small business in Seattle. They have always arrived on time, with the proper gear, and gotten the job done right! Their office staff is extremely friendly and easy to coordinate projects with. We have worked with Tony for many years and only have great things to say! If you are looking for a GPR company that is not only affordable but also professional and accurate you have come to the right place!Response from the ownerThank you Cam! We love working with Sway Mechanika! Larry S. ★★★★★ The best company to work with for your scanning and coring needs, very professional, kind and always willing to work around schedule needs. Has been a pleasure working with Rainier GPR and look forward to years to come!Patrick D. ★★★★★ Tony was great to work with, he is very knowledgeable in GPR. Tony explained to me what the equipment displayed and then transferred all that info onto the concrete floor. This gave me confidence that no pipes/conduits would be hit or damaged when cutting the concrete. Always scan your concrete before cutting! 1oz of prevention is worth it!!!!!Terry B. ★★★★★ Fast response time, very friendly. Tony is very knowledgeable and informative. No wasted time, Tony gets right after it! Cheaper because he is faster.js_loader

what we do

Our Services

GPR Scanning and Utility Locating

Our team of experienced professionals is dedicated to providing accurate and reliable GPR scanning and utility locating services. We know keeping your construction projects safe and secure is essential, so we use the latest technology and methods.

With our GPR scanning services, we can quickly and effectively gather essential information about the depth of the concrete. This allows us to identify any potential obstacles or hazards that may be hidden beneath the surface. By locating post-tensioning, reinforcement bars, and pipes within and under the slab, we can help you avoid costly damages and delays during construction.

One of the key advantages of GPR scanning is its non-destructive nature. Our team will use advanced Ground Penetrating Radar to scan the area carefully before starting any drilling, cutting, or digging. We can find and measure any irregularities, ensuring your project can continue without problems or risks.

Our commitment to integrity and reliability extends beyond just our services. We understand that clear communication and timely delivery are crucial in the construction industry. That’s why we strive to provide prompt and detailed reports, giving you the information you need to make informed decisions.

Our GPR scanning and utility locating services can help you reduce risks and ensure the success of your construction projects. We offer these services for both small residential and large commercial projects. Trust in our expertise and dedication to deliver accurate and reliable results every time. Contact us today to learn more about how we can assist you.

Structural imaging and analysis

RainierGPR understands the importance of accurate and detailed structural imaging and analysis information. That’s why we have highly trained scan technicians who are experts in determining critical deck and slab information. We can help with slab analysis for Superintendents, Project Managers, Engineers, and other workers who need it.

One of our specialties is understanding the intricacies of Post Tension, rebar, and conduit location, spacing, and depth. These factors are essential for the structure’s integrity, and our advanced GPR technologies give us accurate and dependable data.

No matter the size of your project, RainierGPR has the capability to scan complete concrete structures. This means that we are not limited by the scale of your project when it comes to providing comprehensive structural analysis.

Contact us today to learn more about how our structural imaging and analysis services can benefit your project. Our team is ready to assist you with any questions or concerns you may have—Trust RainierGPR for all your concrete scanning needs.

Concrete Scanning with (GPR)

At RainierGPR, we take pride in our commitment to integrity and professionalism. We understand the importance of delivering reliable information to our clients and strive to exceed their expectations. Our skilled technicians use ground penetrating radar (GPR) to detect any hidden objects in the near subsurface.

When you choose RainierGPR, you choose a partner who will go above and beyond to meet your needs. We are dedicated to providing exceptional customer service and are always available to address any questions or concerns you may have. Our team is here to guide you through the process and help you make informed decisions for your project.

Don’t leave your concrete scanning needs to chance. Trust RainierGPR to provide you with accurate and reliable structural imaging and analysis services. Contact us today to learn more about how we can benefit your project and schedule a consultation. Let us be your go-to solution for all your concrete scanning requirements.

Utility Locating

Knowing the exact location of underground utilities and features helps the project proceed well, quickly, and without any risks. At RainierGPR, we understand the importance of utility locating in ensuring a smooth and safe project. That’s why we offer comprehensive utility locating services to help you identify the exact location of underground utilities and features. By knowing the precise placement of these utilities, you can avoid costly damages, delays, and potential hazards.

Our team of experienced professionals utilizes advanced technology and techniques to locate and map out underground utilities accurately. We employ ground-penetrating radar (GPR) and other cutting-edge equipment to provide you with precise and reliable results. We can find underground pipes, cables, and infrastructure quickly and effectively.

Choose RainierGPR for utility locating. Our team ensures accurate results with dedicated work.

Our utility locating services are not only limited to construction projects. We also cater to homeowners, property managers, and anyone who needs to dig or excavate on their property. By utilizing our services, you can avoid potential damage to underground utilities and ensure the safety of your project.

Don’t let the uncertainty of underground utilities hinder your project’s progress. Contact RainierGPR today to schedule a consultation and learn more about how our utility locating services can benefit you. Let us be your trusted partner in ensuring a successful and hassle-free project.

Applications for GPR

Ground Penetrating Radar

Applications for GPR

  • Post Tensioned Decks (PT)
  • Post Tensioned Slab On Grade (SOG)
  • Structural Slabs
  • Structural Walls
  • Structural Beams And Columns
  • Concrete Masonry Unit Walls (CMU)
  • Precast Decks And Walls
  • Waffle Decks
  • Hollow Core Decks
  • Asphalt GPR
  • Storage Tank Location
  • Utility Locating
  • Drainfield
  • Pan Decking
working with us

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