Residential solar
Roof plans, electrical details, equipment schedules, and supporting permit drawings.
View residential pricing →Service Areas / Washington
West service areaSolar permit design services in Washington
Plan sets and project documentation for residential and commercial solar work across Washington. Share the address and system details so we can confirm the local review scope.
Designed around your site
Permit documents for Washington projects
Solar, storage, and commercial projects vary by site and utility territory. We identify the local authority and required design documents for the actual address.
We prepare solar design and permit packages for installers and project teams. The final scope depends on the property, equipment, local authority having jurisdiction, and serving utility.
- Residential and commercial solar plan sets
- Structural and electrical engineering documentation when needed
- Battery storage and utility application support when included in the project
- Revisions to address plan review comments within the agreed scope
Across Washington
Project locations we can review
Examples include Seattle, Spokane, Tacoma and other Washington communities. We confirm requirements for the exact project address; city names alone do not determine the permit package.
- Seattle
- Spokane
- Tacoma
What we prepare
Choose the right project documents
Commercial solar
Design documentation for larger rooftop, carport, and ground-mounted projects.
View commercial pricing →
Engineering review
Electrical and structural calculations or PE-stamped plans when required for the site.
Explore engineering →
Storage and utility
Battery design details and utility paperwork based on the selected system and provider.
Explore storage support →Washington project questions
Before you request a plan set
What do you need to start a Washington project?
Send the project address, system type, equipment list, site or roof information, and any instructions already received from the local authority or utility.
Are requirements the same throughout Washington?
No. Review requirements can differ by jurisdiction, utility, system type, and site. We confirm the applicable scope for each address.
Can you help with commercial or battery projects?
Yes. Share the project details so we can identify the drawings, engineering, and utility documentation to include in the agreed scope.
Start with the address
Contact Your Solar Permit →Planning a solar project in Washington?
Tell us where the project is and what you need to submit. We can review the documentation path with you.