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ADU Design in Irvine, CA

Irvine is one of the most planned and fastest-growing tech and biotech markets in Southern California, with Class-A office campuses, life sciences facilities, and high-density mixed-use development as dominant project types in a seismically active zone.

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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
  • Data centers & server facilities
  • Corporate technology campuses
  • Life sciences & laboratory facilities
  • Pharmaceutical manufacturing

Everything else your project needs

MEP Engineering in Irvine

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

Structural Engineering in Irvine

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

Civil Engineering in Irvine

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

PE Stamping in Irvine

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

Pool Engineering in Irvine

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

Engineering Cost Guide in Irvine

Straight answers on what engineering really costs.