Sequoia Consultants

Established in 2006, Sequoia Consultants has emerged as an industry leader in construction quality assurance and quality control services. Our expertise spans across California, with offices strategically located in Orange, Ontario, Inglewood, and San Diego. We specialize in delivering comprehensive QA/QC solutions to the transportation sector, including roadways, bridges, airports, and rail systems, while extending our services to water/wastewater facilities, power transmission projects, and commercial buildings. Our team comprises licensed civil and geotechnical engineers, certified materials testers, and quality managers with decades of collective experience in construction materials testing, inspection, and engineering. We maintain AASHTO-accredited laboratories equipped with cutting-edge technology to ensure compliance with ISO 17025, ASTM, and Caltrans standards.

As signatories to Operating Engineers Local 12, we guarantee adherence to California prevailing wage requirements and industry best practices. Our strategic focus on Alternate Delivery Method projects, including P3 and Design-Build, has positioned us as trusted partners for over $13 billion in high-profile infrastructure developments. Affiliated with organizations like ACEC, ASCE, and ASTM, we remain at the forefront of technical and policy advancements in the construction industry. Our commitment to quality, integrity, and client collaboration drives every project, from initial planning to final execution. In May 2025, we joined Kiwa, a global leader in Testing, Inspection, and Certification, further enhancing our capabilities to serve clients worldwide.