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Trusted Structural Engineering Services in San Luis Obispo, CA
Duquette Engineers is a dedicated structural engineering firm with over 31 years of experience delivering high-quality, safe, and economical design solutions. Our employee-owned structure fosters a culture of accountability and excellence, ensuring every project benefits from a collaborative approach and deep industry expertise. We specialize in structural steel, concrete, masonry, and timber projects across diverse sectors, including residential, commercial, civic, healthcare, educational, military, and historic preservation.

Our team of licensed engineers brings extensive experience in code standards and sustainable design, prioritizing continuing education to maintain technical proficiency. With offices across California and Nevada, we serve clients through comprehensive engineering services from conceptual planning to construction completion, emphasizing client collaboration and community impact.
Services
Structural Engineering Residential Projects Commercial Industrial Civic Municipal Historic Preservation Wineries Multifamily Mixed Use Sustainable Design Hospitality Fire Rebuilds
Highlights and features
  • We have over 31 years of experience in structural engineering.
  • Our employee-owned structure ensures commitment to excellence.
  • We handle diverse projects from residential to industrial.
  • Our team includes licensed engineers in multiple states.
  • We prioritize continuing education and code expertise.
Services
Structural Engineering Services
Duquette Engineers provides comprehensive structural engineering services from conceptual planning through construction documents and permit issuance. Our goal is to deliver efficient, high-quality designs and assist with projects through completion. With over 31 years of experience, we handle diverse projects including residential, commercial, and industrial structures.
Fire Rebuilds
Specializing in post-fire assessments and reconstruction, we help communities rebuild after wildfires. Our team works closely with property owners and local officials to ensure code compliance and lasting solutions. We have supported projects in major California wildfires, focusing on restoring homes and businesses with care and expertise.
Historic Preservation
Our expertise includes the rehabilitation of historic structures, combining modern engineering with preservation techniques. We ensure that historic buildings meet current codes while maintaining their original integrity. Clients trust us for sensitive and durable restoration work on California landmarks.
Sustainable Design
We offer sustainable design solutions incorporating solar, wind, and other eco-friendly technologies. Our approach balances environmental responsibility with structural efficiency. Projects range from energy-efficient buildings to innovative green infrastructure, meeting modern sustainability standards.
Residential Projects
Providing structural engineering for single-family residences of all types, from custom homes to multi-unit complexes. Our services ensure safety, durability, and compliance with local regulations. We support clients from initial design through construction, delivering tailored solutions for unique residential needs.
Questions
What types of projects does T&S Structural handle?
We work on residential, commercial, industrial, civic, historic preservation, sustainable, and fire rebuild projects.
Are you licensed structural engineers?
Yes, our team includes licensed structural engineers with expertise in multiple states.
Do you offer post-fire reconstruction services?
Yes, we specialize in post-fire assessments and rebuilding, supporting communities affected by wildfires.
What areas do you serve?
We operate throughout California, Northern Nevada, and the Lake Tahoe region.
How does your ESOP structure benefit clients?
As an employee-owned firm, our ESOP aligns our team's commitment to excellence, ensuring high-quality service and long-term project success.
Can you handle sustainable design projects?
Yes, we have experience in sustainable design modalities including solar and wind energy integration.