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Award-Winning Structural Engineering Services
NAST Enterprises is a distinguished structural engineering firm established to deliver exceptional engineering expertise to architects, developers, and contractors. With over 70 years of combined experience, our team specializes in practical and innovative structural design solutions for residential, commercial, and institutional projects. We prioritize client relationships, ensuring projects meet budgets and deadlines while maintaining safety and environmental responsibility. Our award-winning work spans diverse sectors, including healthcare, education, and entertainment, reflecting our commitment to quality and creativity.

Recognized nationally for excellence, we leverage advanced technology and a deep understanding of local and national building codes to provide tailored solutions. Our philosophy centers on direct collaboration with decision-makers, ensuring design integrity from concept to completion. With professional registrations across multiple states, we serve public and private clients nationwide, combining technical precision with a dedication to community-building.
Services
Structural Design Retrofit Services Forensic Investigations Historic Restoration Component Design
Highlights and features
  • We offer 70+ years of combined experience in structural engineering design.
  • Our team holds professional registrations in multiple U.S. states.
  • We provide tailored solutions for residential, commercial, and historic projects.
  • Award-winning commitment to innovation and safety in structural design.
  • Direct collaboration with experienced engineers ensures project continuity.
Services
Structural Design
Structural design forms the core of our expertise, delivering practical and economical solutions for residential and commercial projects. Our team utilizes advanced analysis techniques to create safe, code-compliant structures tailored to client needs. With experience in new constructions and complex renovations, we ensure designs meet functional, aesthetic, and budgetary requirements while prioritizing long-term durability.
Soft-Story Retrofit
We specialize in soft-story retrofits to enhance seismic resilience in existing buildings. Our approach combines thorough structural assessments with customized reinforcement strategies to meet local ordinances and safety standards. By addressing vulnerabilities in multi-family and commercial properties, we help clients mitigate risks while preserving architectural integrity and minimizing disruption to occupants.
Forensic Investigation
Our forensic engineering services identify causes of structural failures and deterioration through comprehensive site evaluations and technical analysis. We provide detailed reports documenting findings, including recommendations for repairs or preventive measures. This service supports insurance claims, legal proceedings, and informed decision-making for property owners and developers facing structural challenges.
Historic Restoration
We preserve architectural heritage through specialized restoration of historic buildings, balancing modern safety requirements with original design elements. Our engineers assess structural integrity while maintaining sensitivity to historical significance, employing techniques that respect original materials and construction methods. This service ensures compliance with preservation guidelines while extending the lifespan of culturally important structures.
Component Design
We design custom structural components including stair systems, mechanical supports, and architectural features requiring specialized engineering. Our solutions integrate seamlessly with main structures while meeting load-bearing and safety specifications. This service caters to unique architectural visions, providing technical expertise for complex elements that demand precision engineering and code compliance.
People
Hooman Hugh Nastarin
Founder
Hooman Hugh Nastarin established NAST Enterprises to deliver exceptional structural engineering expertise. With decades of experience, he leads projects emphasizing technical precision, client collaboration, and innovative design solutions for diverse construction challenges.
Questions
What types of projects does NAST Enterprises specialize in?
We specialize in structural engineering for residential, commercial, institutional, and historic buildings, including new constructions, retrofits, and forensic investigations.
Are your engineers licensed in multiple states?
Our team holds professional registrations in California, Arizona, Nevada, Oregon, Washington, and several other states to serve diverse geographic needs.
How does NAST ensure project timelines and budgets are met?
We maintain direct engineer-client communication, utilize advanced design tools, and prioritize practical solutions to control costs and adhere to schedules.
Can you handle complex structural challenges in existing buildings?
Yes, our expertise includes retrofitting, forensic analysis, and rehabilitation of existing structures with specialized solutions for seismic upgrades and historic preservation.
What sets NAST Enterprises apart from other engineering firms?
We combine 70+ years of collective experience, direct principal involvement in projects, and a commitment to innovative, client-focused engineering excellence.