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ADU Design in San Diego, CA

San Diego hosts the largest concentration of U.S. military facilities on the West Coast alongside a world-class biotech and life sciences cluster, with seismically engineered laboratory, defense, and hospitality construction as core markets.

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Best price · Quotes back fast · PE stamps backed by Apex Grid Engineering

ADU plans, start to permit

Site plan, floor plans, elevations, structural design, and energy compliance — the complete drawing set your city needs to approve an accessory dwelling unit.

Designed for ADU rules

Many states now streamline ADU approvals with state-level rules on size, setbacks, and fees. We design to the current rules in your jurisdiction so nothing gets kicked back.

Fast and affordable

ADUs are small projects — they shouldn't carry big-firm fees or timelines. Lean process, best price, quotes back fast.

Project types

  • Commercial office & retail
  • Healthcare & medical facilities
  • Institutional & civic
  • Military & defense installations
  • Federal government facilities
  • Life sciences & laboratory facilities
  • Pharmaceutical manufacturing
  • Hotel & resort development

Everything else your project needs

MEP Engineering in San Diego

Mechanical, electrical & plumbing design — permit-ready drawings, best price.

Structural Engineering in San Diego

Structural design, analysis & PE stamping — permit-ready drawings, best price.

Civil Engineering in San Diego

Site civil & land development — permit-ready drawings, best price.

PE Stamping in San Diego

Licensed PE stamps on your plans — fast turnaround, best price.

Pool Engineering in San Diego

Pool structural, systems & permits — engineered for plan check approval.

Engineering Cost Guide in San Diego

Straight answers on what engineering really costs.