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County of Clackamas (OR)

Oregon Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Wet Stamps RequiredNone
Fire Setback Enforced1

Codes

NEC Code Version
2023
Code List

2022 OREGON MECHANICAL SPECIALTY CODE

2022 OREGON STRUCTURAL SPECIALTY CODE

2019 OREGON ZERO ENERGY READY COMMERCIAL CODE

2023 OREGON RESIDENTIAL SPECIALTY CODE

2023 OREGON ELECTRICAL SPECIALTY CODE

2025 OREGON ENERGY EFFICIENCY SPECIALTY CODE

2023 OREGON PLUMBING SPECIALTY CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

Revision Required
0
New Planset Required For Module Swap
0

Stamps

Wet Stamps Required
None
Structural Calculations Required
No
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

All photovoltaic installations shall include a 36-inch wide (914 mm) pathway maintained along three sides of the solar roof. The bottom edge of a roof with a slope exceeding two units vertical in 12 units horizontal (2:12) shall not be used as a pathway. All pathways shall be located over a structurally supported area and measured from the edge of the roof and horizontal ridge to the solar array or any portion thereof.

Structural & loads

Wind Speed
85
Snow Load
20
Snow Load Notes

Snow load can be found by looking up Lat-Long in this website


http://snowload.seao.org/lookup.html

Reducible Snow Load Allowed
1
Max Attachment Spacing
48
Structural Notes

8/9 Structural review only required when Prescriptive Path Checklist cannot be used. Ensure Checklist is included in plan set. (If Applicable - SE digital stamps on corresponding pages, PE Letter & Calcs.) Check for PPC before submitting for SE

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Meter Adapter,Load Side Taps,PV Breaker,Line Side Taps
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.91

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Structural review only required when Prescriptive Path Checklist cannot be used.


Stamps required when:

  • 2x2 framing
  • Flat roof
  • Tile
Attachment Detail

If any attachments are within 3ft of a roof edge, hip, eave, or ridge ; then attachments shall be spaced no more than 24 inches apart.

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the County of Clackamas (OR) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.