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18 Years
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Emergency
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Bay Area General Contractor for Custom Construction
Lance Diodati Construction has been delivering precision-driven construction solutions across the San Francisco Bay Area since 2008. Founded by Lance Diodati, a third-generation builder with over 17 years of hands-on experience, our company combines generational expertise with elite-level project execution. From our early days working alongside family in the construction trade to managing high-profile developments on San Francisco's Billionaire's Row, we've cultivated a reputation for uncompromising quality and architectural integrity. Our team approaches every projectwhether a custom home, commercial space, or seismic retrofitwith the meticulous attention to detail honed through decades of regional building experience.

We maintain CA License #917809 and LEED certification, ensuring compliance with the highest industry standards while preserving the Bay Area's architectural heritage. With a client-centric philosophy centered on accurate estimates, timely delivery, and transparent communication, we've earned an A+ rating from the Better Business Bureau and the trust of communities from San Francisco to Silicon Valley.
Services
Residential Construction Commercial Construction Design-Build Services Soft Story Retrofitting Historic Preservation Sustainable Building Emergency Construction Kitchen Remodeling Office Building Development Tenant Improvements
Details
  • Year established: 2008
Highlights and features
  • Over 17 years of Bay Area construction expertise
  • Hands-on oversight from LEED-certified founder
  • Specialized in historic preservation and modern builds
  • CA License #917809 with full insurance coverage
  • Emergency services available across the Bay Area
Associations and certifications
  • LEED Certified
  • Better Business Bureau A+ Rating
What people say
Exceptional craftsmanship Trustworthy service Meticulous restoration Outstanding customer service Architectural excellence
Services
Residential Construction
We create bespoke residential properties that blend architectural vision with functional design. Our process includes custom home design, luxury construction, and energy-efficient building systems. From initial concept through final walkthrough, we ensure premium material selection and seamless project management for homes that stand as lasting architectural works.
Commercial Construction
Our commercial construction services focus on creating productive business environments while maintaining brand identity. We handle office buildings, retail spaces, and mixed-use developments with expertise in ADA compliance and LEED certification. Our approach emphasizes minimal business disruption and scalable design solutions tailored to each client's operational needs.
Soft Story Retrofitting
We specialize in mandatory earthquake safety upgrades for Bay Area properties. Our services include FEMA P-807 compliance assessments, foundation reinforcement, and structural frame upgrades. We coordinate full permitting processes and implement phased construction plans to minimize tenant disruption while ensuring code compliance and enhanced property safety.
Historic Preservation
Our team preserves architectural heritage through specialized restoration techniques. We handle original material restoration, period-appropriate construction methods, and historic tax credit projects. By balancing preservation requirements with modern efficiency standards, we maintain structural integrity while updating buildings for contemporary use and safety compliance.
Emergency Construction Services
We provide rapid response for storm damage, structural failures, and water emergencies across the Bay Area. Our services include immediate stabilization, temporary weatherproofing, and permanent repairs. With 24/7 availability for critical situations, we help document damage for insurance claims and implement solutions to prevent further property deterioration.
People
Lance Diodati
Founder & General Contractor
With over 17 years of construction experience, Lance founded the company in 2008 after working on San Francisco's Billionaire's Row. A LEED-certified professional, he specializes in combining traditional craftsmanship with modern building techniques for residential and commercial projects throughout the Bay Area.
Questions
What types of construction projects do you specialize in?
We handle custom residential homes, commercial developments, historic preservation projects, and seismic retrofitting across the San Francisco Bay Area.
Are you licensed and insured for Bay Area projects?
Yes, we hold California General Contractor License #917809 and maintain $2M general liability insurance with workers' compensation coverage.
Do you offer emergency construction services?
Yes, we provide 24/7 emergency response for storm damage, structural failures, water emergencies, and other urgent construction needs throughout the Bay Area.
How do you handle permits and city approvals?
Our team manages the entire permit process including applications, inspections, and compliance documentation with extensive experience in Bay Area building departments.
What areas do you serve in Northern California?
We primarily serve San Francisco, San Mateo County, and Silicon Valley, with service extending to Napa, Sonoma, and Alameda Counties.
Can you help with historic property restoration?
Yes, we specialize in historic preservation with expertise in original material restoration and period-appropriate construction techniques.