STN Engineering

We are a team of Licensed Professional Engineers and Architects based in California with over 10 years of combined experience delivering reliable, code-compliant design and engineering solutions across the U.S. Our expertise spans Structural, Mechanical (HVAC), Electrical, and Plumbing (MEP) engineering, as well as full-service Architectural design.

From residential additions to large commercial developments, we work closely with clients, contractors, and local jurisdictions to ensure each project is efficient, accurate, and ready for permitting and construction.

⚙️ Our Services & Expertise

✔ Structural & Civil Engineering

- Structural design in steel, concrete, wood, and masonry

- Foundation engineering, seismic analysis, and retrofitting

- Grading plans, stormwater management, and drainage design

- Site development, roadway, utility, and land development

✔ Architectural Design

- Residential, commercial, and industrial building design

- Interior and exterior space planning

- 3D modeling, renderings, and visualization

- Energy-efficient and sustainable solutions

- Construction documents and code compliance

✔ Mechanical, Electrical & Plumbing (MEP) Engineering

- HVAC load calculations, ducting, and energy modeling

- Power distribution, lighting, life safety, and fire alarm systems

- Water supply, sanitary drainage, gas piping, and fire protection

- Title 24 energy compliance and permit-ready plans

🤝 Why Work With Us?

- Licensed in Multiple States – We ensure your project meets all local codes and regulations

- Collaborative Team – Integrated engineering and design expertise under one roof

- 10+ Years of Experience – A proven track record across diverse project types

- Responsive and Reliable – We prioritize communication, accuracy, and timely delivery