Business Details
Trusted Structural Engineering Solutions in California
Jackson & Sands Engineering was founded by Sean Jackson and Frank Sands to deliver timely, innovative engineering solutions rooted in over 30 years of combined industry experience. Our team integrates hands-on construction expertise with advanced design capabilities to address diverse client needs, from small residential projects to complex multi-family structures. We specialize in structural design, bridge engineering, and foundation systems while prioritizing client collaboration to ensure practical, cost-effective outcomes.Our affiliations with organizations like the American Society of Civil Engineers and Nevada County Contractors Association reflect our commitment to professional excellence. With offices in Grass Valley and Chico, we serve clients across California, offering permit-ready ADU plans and customized residential designs. Our mission remains focused on solving client challenges through technical precision and personalized service.
Services
Structural Design
ADU Planning
Residential Construction
Bridge Engineering
Foundation Design
Retaining Wall Design
Commercial Tenant Infill
Solar Array Foundations
Construction Administration
HUD Inspections
Highlights and features
- We offer 30+ years of combined engineering and construction expertise.
- Our permit-ready ADU plans streamline California building processes.
- We specialize in custom residential and commercial structural designs.
- Our team provides transparent communication and client-focused service.
- We maintain active memberships in professional organizations like ASCE.
What people say
Competent, professional
Creative solutions
Exceptional communicator
Great customer service
Knowledgeable team
Services
Structural Design
Our structural design services ensure safe, code-compliant solutions for residential and commercial projects. We specialize in beam calculations, foundation systems, and retaining walls while balancing cost efficiency with technical precision. Clients benefit from designs that meet local jurisdiction requirements across California.
ADU Planning
We provide permit-ready ADU plans and custom designs for California properties. Our library includes multiple configurations with universal design features and adaptable layouts. Clients receive jurisdiction-specific adaptations to accelerate approvals and reduce construction timelines.
Residential Construction
From small remodels to custom homes, we offer full-service residential construction support. Our team handles energy calculations, site plans, and erosion control documentation. Clients receive comprehensive engineering packages ready for permit submission across Northern California.
Bridge Engineering
We deliver specialized bridge design solutions for municipal and private clients. Our expertise includes load calculations, material selection, and foundation design. Projects benefit from our focus on durability and compliance with state transportation standards.
Construction Administration
Our construction services include cost estimating, scheduling, and temporary traffic control plans. We provide inspection support and design review for commercial and infrastructure projects. Clients gain confidence in meeting regulatory requirements during construction phases.
People
Sean Jackson
Principal
Sean Jackson combines engineering expertise with practical construction knowledge. He specializes in structural systems and client communication, ensuring technical solutions align with project goals across residential and commercial sectors.
Frank Sands
President
Frank Sands leads with decades of engineering experience, focusing on innovative design and jurisdictional compliance. His expertise in ADU permitting and residential structures supports clients seeking efficient, code-compliant building solutions.
Chris Rasmussen
Assistant Engineer
Chris Rasmussen contributes technical precision to structural and foundation design projects. His work ensures engineering solutions meet safety standards while maintaining cost-effectiveness for residential and commercial clients.
Eric Lembke
Designer
Eric Lembke develops detailed construction documents and adapts designs for local regulations. His focus on practical implementation supports clients seeking permit-ready plans for ADUs and residential projects.
Alondra Rubio-Cruz
Assistant Engineer
Alondra Rubio-Cruz supports engineering analysis and documentation for residential and infrastructure projects. Her attention to detail ensures accurate calculations and compliance with California building codes.
Questions
What engineering services do you specialize in?
We specialize in structural design, ADU planning, residential construction, bridge engineering, and commercial tenant infill projects across Northern California.
Do you offer permit-ready ADU plans?
Yes, we provide downloadable permit-ready ADU plans adaptable to California jurisdictions, with customization options for size and design features.
How do you handle jurisdiction-specific requirements?
Our team adapts designs to meet local building codes and works directly with California jurisdictions to ensure compliance during permitting processes.
Can you assist with residential remodeling projects?
We offer structural engineering for remodels including beam calculations, foundation upgrades, and energy-efficient design modifications for California homes.
What construction administration services are available?
We provide cost estimating, scheduling, inspection support, and traffic control plans to ensure construction projects meet engineering and safety standards.