Check the building plans or structural drawings
See if the wall runs perpendicular to the floor joists above
See if the wall is directly below another wall, beam, or column
Check whether the wall supports roof framing or upper floors
Look for joists, beams, or trusses bearing on the wall
Check if the wall is part of the home’s exterior structure
Inspect for doubled joists, beams, or headers nearby
Look for walls aligned vertically through multiple floors
Determine whether the wall is in the center of the house
Verify whether the wall continues into the basement or crawlspace as a support line
Check for signs of structural framing around openings
Consult a structural engineer or licensed contractor