Use our Oregon Ground Snow Loads map to easily determine the ground snow load (Oregon Building Codes Division) for any location in the State of Oregon. You can click on the map below to find the design ground snow load for that location. Oregon requires a minimum roof snow load of 20 psf (pm in ASCE 7-10) for all roofs, plus a 5 psf rain-on-snow surcharge for many roof types, resulting in a 25 psf minimum roof design load for most roofs. See the Oregon Snow Load Map Usage Notes for further information and limitations.

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* Ground snow loads derived from SEAO Oregon Snow Load Map. Local codes and ammendments may govern,verify with local building department or jurisdiction.

Use our Roof Snow Load Calculator to determine your design roof snow loads.
If you have any questions or concerns about specific ground snow loads within the State of Oregon please call us at 1-425-652-4188.