ADU Design in Olympia, WA
Olympia is Washington's capital — government campuses, the Port of Olympia, and South Sound growth on Budd Inlet.
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
- Government campuses
- Port & marine
- Downtown mixed-use
- Healthcare
- Multifamily
Everything else your project needs
MEP Engineering in Olympia
Mechanical, electrical & plumbing design — permit-ready drawings, best price.
Structural Engineering in Olympia
Structural design, analysis & PE stamping — permit-ready drawings, best price.
Civil Engineering in Olympia
Site civil & land development — permit-ready drawings, best price.
PE Stamping in Olympia
Licensed PE stamps on your plans — fast turnaround, best price.
Pool Engineering in Olympia
Pool structural, systems & permits — engineered for plan check approval.
Engineering Cost Guide in Olympia
Straight answers on what engineering really costs.