ICC NTA Services

ICC NTA is an Approved Agency per Section 1703 of the International Building Code with a history of excellence in providing the industry with trustworthy plan review, engineering, testing, inspection, and certification services. We use our expert understanding of building codes to help you meet or exceed the applicable codes and regulations. As part of the International Code Council Family of Solutions, we provide single-source solutions from prototype testing to final certification. Our clients highly rate our customer service – they say we make the entire process simple, seamless, and efficient, which has saved them valuable time and money.

ICC NTA Benefits

With nationally recognized accreditation, state-of-the-art equipment and processes, and our reputation for integrity, your customers will trust our results.

Confidence & Trust
We work together with our clients to solve their challenges and address their needs. Since you’re involved every step of the way, you’re better equipped to address market demands.

Work together with our team of experts to help you reach the market with new and innovative building solutions. We create a straightforward testing plan designed for speed, accuracy, and full compliance with the scope you need, and our licensed and specially trained staff will guide you through every step of the approval process to help you reach the finish line.

Together with our colleagues in the International Code Council Family of Solutions, we will set you on a direct path from testing to code compliance with ICC-ES product certification—resulting in increased speed to market.

ICC Evaluation Service
From single products to massive projects, our teams across the ICC Family of Solutions collaborate with you to develop and execute tailored plans to meet your needs – less project management for you and a more straightforward path to the market for your innovative products and buildings.

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ICC NTA helps manufacturers demonstrate that their products comply with nationally recognized standards, criteria, or building codes, instilling confidence in customers, design professionals, and building officials that the product will perform as promised.



ICC NTA partners with manufacturers to provide the accredited third-party inspection services they need to have proper oversight and feedback for their Quality Management Systems, thus minimizing the manufacturers’ risk.



ICC NTA provides building and product manufacturers, particularly in modular construction, with complete structural engineering calculations and analysis for determining geographic or climatic sustainability and code compliance.


Plan Review

ICC NTA is an industry leader in verifying that HUD, modular, residential, and commercial buildings are compliant with the IRC, IBC, and other applicable standards. We provide third-party plan review services in all 50 U.S. States and parts of Canada.

CAD Services

CAD Services

ICC NTA’s Computer-aided Design (CAD) technicians understand the International Codes in the same manner as a plan reviewer, enabling us to draw with intent and provide knowledgeable support where it’s needed most—saving manufacturers time and money.

Test and Evaluate


ICC NTA’s Evaluation Services assures code officials and customers that innovative products comply with the applicable codes and standards, even if they are not explicitly addressed by the code, allowing manufacturers to sell their products confidently.



Our accredited certification services help manufacturers demonstrate code compliance, conformity to standards, and adherence to quality systems and programs.

Expert Witness

Expert Witness

With over 35 years of experience in defending lawsuits related to factory-built structures, ICC NTA competently performs site inspections, prepares reports, provides expert testimony, and participates in mediations, arbitrations, and jury trials.