Blot up as much urine as possible with paper towels or a clean cloth
Mix equal parts white vinegar and water
Lightly spray or dab the affected area with the vinegar solution
Blot again with a clean cloth
Sprinkle baking soda over the damp area
Let it sit until completely dry
Vacuum up the baking soda
If needed, apply an enzyme cleaner made for pet urine
Follow the product instructions exactly
Repeat the process if the smell remains
Open windows or use fans to help the sofa dry faster
Check the sofa cushion and padding for deeper saturation
Wash removable cushion covers according to the care label
Avoid using heat until the odor is gone
Test any cleaner on a hidden spot first