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Business Details
50+ Years
experience
Your Trusted California Construction Partner Since 1945
Since 1945, Millie & Severson has established itself as a trusted California-based general contractor with expanded operations in Nevada. As an employee-owned company, we prioritize building relationships through transparent, collaborative construction solutions tailored to clients' unique needs. Our expertise spans Healthcare + Life Sciences, Industrial, Office, Cultural + Educational, and Housing + Hospitality sectors, delivering over 4,000 projects with a focus on quality craftsmanship and innovative construction methodologies.

With offices in Los Alamitos, Pleasanton, Sacramento, Ontario, and Las Vegas, our team combines decades of local market knowledge with cutting-edge BIM technology and LEED-certified sustainable practices. Our preconstruction planning and construction management services ensure projects meet exacting standards for budget adherence, safety compliance, and schedule efficiency while maintaining open communication with all stakeholders throughout the process.
Services
Preconstruction Services Core & Shell Construction Build-to-Suit Development LEED Certification Tenant Improvements Industrial Construction Healthcare Facilities Cultural Projects Hospitality Construction Sustainable Building
Details
  • Year established: 1945
Highlights and features
  • We have over 80 years of experience in construction services.
  • Our employee-owned structure ensures personal accountability.
  • We offer comprehensive preconstruction and construction services.
  • We maintain a proven safety compliance record.
  • We utilize advanced BIM technology for project accuracy.
What people say
Exceptional service Committed team Quality workmanship On-time delivery Cost-effective solutions
Services
Preconstruction Services
Our preconstruction team collaborates with stakeholders to establish accurate cost estimates, develop construction schedules, and implement value engineering strategies. We utilize BIM technology for constructability analysis and coordinate subcontractor input to optimize project efficiency. This comprehensive approach ensures clients receive detailed project feasibility assessments before breaking ground.
Core & Shell Construction
We specialize in constructing durable core & shell buildings that provide adaptable foundations for tenant improvements. Our process includes structural framing, exterior envelope systems, and essential MEP infrastructure installation. This service creates flexible commercial spaces ready for customized interior development while maintaining strict quality control standards.
Build-to-Suit Development
Our build-to-suit solutions create tailored spaces for owners and tenants through collaborative design-build processes. We coordinate directly with architects and engineers to translate specific functional requirements into optimized building designs. This service ensures spaces perfectly match operational needs while maintaining budget and schedule parameters.
LEED Certification
We implement sustainable construction practices that support LEED certification goals through material performance verification and energy-efficient system integration. Our team manages stormwater management protocols, indoor air quality controls, and construction waste recycling programs. This service helps clients achieve environmental objectives while maintaining construction quality standards.
Tenant Improvements
Our tenant improvement specialists transform existing spaces into functional environments through phased construction approaches. We coordinate utility integration, interior finishes, and code compliance upgrades while minimizing operational disruptions. This service breathes new life into aging properties while meeting modern functionality requirements.
Questions
What construction sectors does Millie and Severson specialize in?
We serve Healthcare + Life Sciences, Industrial, Office, Cultural + Educational, and Housing + Hospitality sectors with comprehensive construction solutions.
Are you a licensed contractor in California and Nevada?
Yes, we hold California Contractor License #99031 and operate legally in Nevada with proper state registrations.
How does your preconstruction process benefit clients?
Our preconstruction services identify cost-saving opportunities, optimize project schedules, and implement risk mitigation strategies through collaborative design reviews.
Do you handle both new construction and renovations?
Yes, we specialize in core & shell development, build-to-suit projects, and tenant improvements for commercial properties.
What safety protocols do you implement on job sites?
We enforce strict compliance with OSHA regulations, maintain orderly worksites, and conduct regular safety training for all project team members.
Can you assist with sustainable building certifications?
Our LEED-certified construction practices include material performance verification, energy system integration, and construction waste recycling programs.