02 Thunder Valley Casino The Venue About
Your Vision Drives Our Performance.
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  • For over 20 years, Allerion Consulting Group has been redefining the client experience in civil engineering through precision, responsiveness, and a collaborative spirit. Founded in Redding, California by three seasoned industry leaders, we’ve grown steadily to meet our clients’ evolving needs—expanding to three regional offices across Northern California, including Roseville (our headquarters), the Bay Area, and our original home in Redding.

    We are a multidisciplinary geotechnical, environmental, and quality control management engineering firm. Our team includes more than 50 professionals—geotechnical engineers, geologists, civil engineers, quality control managers, inspectors, and materials testers—who bring expertise, innovation, and diverse perspectives to every project.

    We are proud to have built a workforce that reflects broad racial, cultural, and national diversity, with team members representing over 10 distinct backgrounds. This diversity enriches our approach to problem-solving, fosters innovation, and ensures we deliver practical, real-world solutions to complex engineering challenges.

    At Allerion, our foundation is built on the principles of quality control, workflow discipline, and proactive project management. We assemble high-performing teams aligned around clear milestones and outcomes—always focused on delivering value

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Project Timeline & Projects
2006
Clear Creek WWTP Expansion, Redding
The 2006 Clear Creek Wastewater Treatment Plant Expansion in Redding, completed at a cost of approximately $5.4 million, upgraded treatment capacity and facilities.
Clear Creek WWTP Expansion, Redding
2009
Trinity County Bridge Replacements, Trinity County
The 2009 Trinity County Bridge Replacements project, completed at a cost of approximately $8 million, involved replacing multiple aging one-lane bridges with new two-lane concrete structures to improve safety and access on rural county roads.
Trinity County Bridge Replacements, Trinity County
2012
I-5 Antler Bridge Replacement, Redding
The I-5 Antlers Bridge Replacement in Redding, completed at a cost of approximately $132 million, involved constructing a new 1,942-foot-long segmental concrete bridge over Shasta Lake to replace the aging steel truss span along a critical Interstate 5 corridor.
I 5 Antler Bridge Replacement, Redding
2015
Thunder Valley Casino Hotel, Lincoln
The Thunder Valley Casino Hotel renovation project in Lincoln, completed at a cost of approximately $40 million, involved modernizing all guest rooms, upgrading interior finishes, and enhancing resort amenities to elevate the overall luxury and guest experience.
Thunder Valley Casino Landing Photo 2 (1)
2018
Historical Bridgeport Wood Bridge, Bridgeport
This project, in Bridgeport, involved the restoration of one of the longest single-span wooden covered bridges in the United States, with construction costs totaling approximately $6.9 million, preserving its structural integrity and historical significance.
Historical Bridgeport Wood Bridge, Bridgepo
2021
Hyatt Centric Hotel, Sacramento
The Hyatt Centric Hotel project in Sacramento, completed at a cost of approximately $60 million, involved the construction of a modern, upscale 172-room hotel in downtown Sacramento, enhancing the city's hospitality offerings and supporting urban revitalization.
Hyatt Centric Hotel, Sacramento
2024
Gateway at Millbrae, Millbrae
The Gateway at Millbrae project in Millbrae, completed at a cost of approximately $300 million, is a mixed-use transit-oriented development featuring residential units, retail space, offices, and a hotel adjacent to the Millbrae BART/Caltrain station.
Gateway at Millbrae, Millbrae
2025
Fuel Systems Aircraft Corrosion Control Hangar, Moffet Field
This project completed at an estimated cost of $57 million, involved the construction of a specialized hangar facility designed to support fuel system maintenance and corrosion control for military and government aircraft operations.
Fuel Systems Aircraft Corrosion Control Hangar, Moffet Field
2006
2009
2012
2015
2018
2021
2024
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Why Choose
Allerion?

Our teams welcome the opportunity to elaborate on our differentiators and show how our culture, approach and passion will produce a distinctive experience on your projects. We are continually confirming what clients consider are “must haves” and what they regard as “delighters”. Contact us (phone or email) to see if we are the consultant you’re seeking.

01

Geotechnical Engineering

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Specializing in geotechnical engineering, Allerion leverages its expertise to serve our clients and provide cost-effective solutions to challenging construction and engineering issues with precise and collaborative approaches.


02

Dedicated Project Managers

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Allerion Consulting assigns dedicated project managers to every project, ensuring personalized attention and seamless communication from the proposal phase to project completion.


03

Proactive Workflow Management

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Utilizing proactive workflow management techniques, such as the Kaizen Model, Allerion ensures continuous improvement, efficiency, and timely project delivery.


04

Industry-Leading Technology Solutions

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By integrating cutting-edge project management technologies in project management, documentation, and reporting solutions, Allerion enhances communication and project tracking to ensure clarity and efficiency.


05

Broad Consulting Services

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Offering a wide range of specialized consulting services, including waterproofing, fire stop consulting, project consulting, electric field resistivity testing, and additional services, Allerion provides comprehensive solutions tailored to complex project challenges.


06

Defined Project Close Out Process

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Allerion's structured project close-out process guarantees that all deliverables are completed on time, providing clients with peace of mind and ensuring all project goals are met.


07

ACE Quality Control Division

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Allerion’s ACE Quality Control underscores its commitment to maintaining high standards and delivering excellence in all projects. Quality control methodologies are derived from the Kaizen Model and deliver unparalleled services to our clients.


3,895
Projects Done
802,880
Working Hours
1,596
Happy Clients
50+
Staff Members
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Your Goals Define Our Approach

Unlock your project's potential with expert engineering tailored to your vision.