Cat Urine Smell Out of Clothes: Step-by-Step

Cat urine has a strong, lingering smell because it contains uric acid, which crystallizes and re-activates when wet. Regular detergent won’t break it down, but enzymatic cleaners (available at pet stores or online) dissolve the uric acid. This guide works for both fresh accidents and dried, set-in stains on washable fabrics like cotton, polyester, and blends. For delicate items like silk or wool, test a small area first or consider professional cleaning.

What You’ll Need

Enzymatic cleaner (look for “urine destroyer” or “pet stain remover” on the label)
White vinegar (distilled)
Baking soda
Cold water
Washing machine
Clean towels (for blotting)
Spray bottle (optional)
Rubber gloves (optional, for handling soiled clothes)

Step-by-Step

Act fast if fresh: If the urine is still wet, blot up as much as possible with paper towels or a clean cloth. Press down firmly, but don’t rub—rubbing pushes the urine deeper into the fibers.
Rinse in cold water: Hold the stained area under cold running water from the back of the fabric to push the urine out, not in. If the item is too large, soak it in a basin of cold water for 15 minutes.
Pre-treat with enzymatic cleaner: Apply the enzymatic cleaner generously to the affected area, making sure it saturates the fabric. Let it sit for 10–15 minutes. For dried stains, soak the item in a solution of enzymatic cleaner and cold water (follow the label’s dilution ratio) for at least 30 minutes.
Wash in cold water: Put the garment in the washing machine. Use the coldest water setting and your regular detergent. Do not add any other clothes to the load—the enzymes need to work on the affected item without dilution.
Add vinegar to the rinse cycle: Pour 1 cup of white vinegar into the fabric softener dispenser or directly into the rinse cycle. Vinegar helps neutralize odors and break down uric acid. (It’s safe for most fabrics, but avoid mixing vinegar with bleach.)
Air dry first: After the wash, remove the item and smell it. If any odor remains, repeat steps 3–5 before drying. When the smell is gone, hang the item to air dry. Do not put it in the dryer—heat sets the uric acid and makes the smell permanent.
Baking soda boost (if needed): If the smell persists after air drying, sprinkle baking soda over the affected area, let it sit for a few hours (or overnight), then brush it off and re-wash with cold water and vinegar.
Check before wearing: Once dry, smell the item again. If any hint of urine remains, repeat the entire process. Do not iron or use heat until the odor is completely gone.

Common Mistakes

Using hot water: Heat sets the protein and uric acid, making the smell impossible to remove. Always use cold water.
Drying too soon: The dryer’s heat bakes in the odor. Always air dry and check the smell before using heat.
Using bleach or ammonia: Bleach can react with uric acid and make the smell worse or damage fabric. Ammonia smells like urine and can confuse your cat into re-marking.
Only using regular detergent: Soap doesn’t break down uric acid; it just masks the smell temporarily.
Rubbing the stain: Rubbing spreads the urine and grinds it into the fibers. Always blot.

Tips

Test any cleaner on a hidden seam first to check for colorfastness.
If the item is heavily soiled or the smell is very strong, soak it in a bucket of cold water with enzymatic cleaner for several hours or overnight before washing.
For machine-washable items, run an extra rinse cycle to ensure all cleaner and urine residue is flushed out.
If you have multiple items, wash them separately to avoid cross-contamination.
Use a black light to find all urine spots on clothing—even dried ones glow.

Troubleshooting

Smell remains after washing: The uric acid may have crystallized. Re-treat with enzymatic cleaner, let it sit longer (up to an hour), and wash again. If it’s still there, try a baking soda paste (mix baking soda with a little water) applied to the stain, let dry, then brush off and re-wash.

Fabric is color-safe but the stain persists: Some urine stains are yellow and may require a color-safe oxygen bleach (like OxiClean) after the enzymatic treatment. Check the care label first.

Item is dry-clean only: Take it to a professional cleaner and tell them it’s cat urine. Do not try to wash it at home—you’ll ruin the fabric.

Smell returns when the item gets wet again: This happens when uric acid wasn’t fully removed. Repeat the enzymatic soak and wash. If it keeps returning, the item may need to be replaced.

Frequently Asked Questions

Can I use baking soda alone to remove cat urine smell?

Baking soda can absorb some odor, but it won’t break down uric acid. Use it as a supplement to an enzymatic cleaner, not as a replacement.

Will vinegar neutralize cat urine smell?

Vinegar helps neutralize ammonia and odor, but it doesn’t break down uric acid. It works best when combined with an enzymatic cleaner.

Why does my cat pee on clothes?

Cats may urinate on clothes for medical reasons (like urinary tract infections), stress, or territorial marking. If it’s a recurring issue, consult a veterinarian.

Can I use a steam cleaner on clothes?

Heat from steam can set the urine smell. Avoid steam cleaning until the odor is fully removed.

Is it safe to wash clothes with other items after treating?

Once the smell is gone and the item is clean, it’s safe to wash it with other clothes. But during treatment, wash separately to avoid spreading bacteria or odor.

How do I get rid of the smell from a down jacket or coat?

Down requires gentle handling. Use a mild enzymatic cleaner, wash in cold water on a delicate cycle, and air dry with tennis balls in the dryer (only after the smell is gone) to restore fluffiness.

Sources: American Society for the Prevention of Cruelty to Animals (ASPCA). Menus and buttons can differ slightly by version. Spotted something out of date? Tell us.