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ADU Design in Hillsboro, OR

Hillsboro is the heart of the Silicon Forest — Intel's Ronler Acres campus is Oregon's largest private employer — surrounded by data centers, semiconductor suppliers, and farmland-to-tech conversion at the urban growth boundary's edge.

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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

  • Semiconductor fabs and suppliers
  • Data centers
  • Advanced-manufacturing plants
  • Transit-oriented multifamily
  • Corporate office campuses
  • Industrial parks

Everything else your project needs

MEP Engineering in Hillsboro

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

Structural Engineering in Hillsboro

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

Civil Engineering in Hillsboro

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

PE Stamping in Hillsboro

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

Pool Engineering in Hillsboro

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

Engineering Cost Guide in Hillsboro

Straight answers on what engineering really costs.

ADU Design nearby

Beaverton · Bend · Eugene · Gresham · Portland · Salem