Washington · US Coverage
Structural Engineer & Permit Drawings in Washington
MAHAR SOLUTION is the structural engineering extension for Washington architects, contractors and developers — permit-ready structural calculations and construction documents (CD sets) compliant with IBC 2021 (Washington State Building Code).
What we deliver in Washington
- Structural calculations — gravity & lateral, per IBC 2021 (Washington State Building Code)
- Foundation plans, floor & roof framing plans, sections and details
- Cascadia-subduction seismic design and snow-load design for the cascades and eastern regions
- Permit-ready CD sets coordinated for plan review
- Correction-response cycles for plan-check comments
Sealed by the Washington PE of record
Drawings that need a stamp are sealed by the Washington-licensed PE of record — coordinated through MAHAR SOLUTION. You get a single point of contact and a permit-ready package.
Areas served
We support projects across Seattle, Spokane, Tacoma, Vancouver and Bellevue and statewide.
Related services
See our full engineering services and project portfolio, or request a quote.
Frequently asked questions
Which building code applies in Washington?
We design per IBC 2021 (Washington State Building Code). Cascadia-subduction seismic design and snow-load design for the cascades and eastern regions — every calculation follows the edition your city or county enforces.
Who stamps the drawings in Washington?
Permit sets are sealed by the Washington-licensed PE of record — coordinated through MAHAR SOLUTION.
What structural challenges are typical in Washington?
Cascadia-subduction seismic design and snow-load design for the cascades and eastern regions. We address these in every Washington package — framing, connections and foundations sized for local conditions.
What do you need to start?
Architectural backgrounds (PDF or CAD), the project address for code determination, and any plan-check comments if it is a resubmittal.