About Us
Founded by a principal engineer with over 13 years of experience in structural and civil design, N.T. Allan Engineering Inc delivers practical, high-quality solutions for residential and commercial buildings throughout California. Our design approach ensures every project, from a custom home to a commercial development, is efficient, buildable, and ready for permit approval, with stamped and sealed engineering documents provided for all required submittals.
Structural Services
Structural design for new construction, remodels, and additions for residential and commercial buildings
Structural drawings and calculations for permit approval
Wind and seismic design to California Building Code
Foundation and retaining wall design
Construction support, including site observations and responses to contractor questions
Seismic anchorage, seismic bracing of equipment
We also embrace innovative, sustainable practices, including non-typical material types like Cross Laminated Timber (CLT), Insulated Concrete Form (ICF), Structural Insulated Panel (SIP), Straw bale, , ICF, SIPs and other innovative materials into modern design where possible.
Civil Services
Site grading and drainage design for residential and commercial projects
Driveway and parking layout and design
Utility and site plan coordination for permit submittals
Engineering cost estimating and technical support during bidding
Agency coordination to streamline plan reviews and approvals
- Retaining Walls
We understand local requirements and maintain strong working relationships with building departments and permitting agencies, helping your project move forward efficiently and with confidence.
