How to Get Dog Smell Out of a Couch

Check the cleaning code before anything gets wet

The tag under a cushion tells you what the fabric tolerates, and getting it wrong is how a sofa ends up with rings or a crushed nap.

• W — water-based cleaners are acceptable.
• S — solvent only; water will likely leave marks.
• WS — either, used sparingly.
• X — vacuum only; no liquid cleaning at home.

Vacuum properly first

Take the cushions off, vacuum both faces, then do the deck and the crevices with a narrow tool. Hair woven into the weave lifts better with a rubber pet brush or a slightly damp rubber glove dragged across the fabric before you vacuum again.

A dry deodorizing pass for a light odor

This can help with light surface odor. It will not reach built-up oils that have soaked into a favorite cushion.

1. Confirm the cleaning code allows a dry application, and check the manufacturer's care instructions first.
2. Sprinkle baking soda evenly across the fabric.
3. Leave it for at least an hour — longer for a strong smell.
4. Vacuum thoroughly, going in two directions.

When the cushions need professional cleaning

Once the smell is in the foam, surface work cannot reach it. Professional upholstery cleaning identifies the fabric type, uses a method suited to its cleaning code, and extracts thoroughly so the cushion is not left damp — a common cause of a musty sofa after a DIY attempt.

We will tell you whether the fabric can take a wet clean, what result is realistic, and roughly how long it needs to dry. We do not promise removal of all odor or make sanitization claims.

Background from the original guide

Your furry friend spends a lot of time on the couch, and over time, oils from their skin, dog hair, dander, and moisture all get absorbed deep into the upholstery. If your dog has ever had a wet dog moment or an accident, things get worse fast.

The fabric and foam inside your cushion act like a sponge. They hold onto odor-causing molecules long after the surface appears dry. Regular wiping or a quick spritz of freshener does not get deep enough to actually neutralize the smell.

Vacuuming safely

Start by removing all cushion covers, throw blankets, and any pillows that live on the couch. Shake them out outside if possible.

Then use your vacuum with the upholstery attachment to go over every inch of the couch. Get into the crevices, under the cushions, and along the sides. This pulls up dirt and debris, dog hair, and loose dander before you apply any liquid. Skipping this step means you are just pushing grime deeper into the fabric.

Vacuum the rug nearby too, since odor travels and settles into surrounding textiles.

Treating spills and stains

If you are dealing with a pet stain or dog urine, the approach is slightly different. First, blot up as much moisture as possible using a clean microfiber cloth. Never rub, as this pushes the liquid deeper into the foam.

Enzyme cleaners work by breaking down the proteins in urine that cause that musty, persistent smell. Products like this are available at most pet stores and are far more effective than using soap and water alone.

Test on a hidden area first, especially if you have a leather couch or a delicate fabric.

Step 5: Wash What Is Washable

Check your couch for removable covers. Many modern couches have cushion covers with a zipper that are machine washable.

Run a full wash cycle on the recommended setting. Allow them to air dry rather than using a dryer, since high heat can shrink or damage the fabric. Make sure everything is completely dry before putting the covers back on.

Step 6: Consider an Odor-Eliminating Spray for Maintenance

Once the couch is clean, keeping it that way is easier than you think.

Look for an odor-eliminating product — not just a perfume-based air freshener that simply masks the smell. Products designed for upholstery and labeled as a carpet cleaner or fabric deodorizer work best. Consumer fabric cleaners marketed for upholstery can help with routine maintenance; always test on a hidden area first and follow the fabric care label.

When Home Cleaning Methods Are Not Enough

Sometimes the smell in your couch has been there too long for DIY methods to fully eliminate. Unpleasant odors that have soaked deep into the cushion padding or frame often require professional equipment to remove dog smells for good.

A couch that still smells after repeated cleanings — or one that has absorbed pet odor, smoke, or cat dander over the years — may need professional hot-water extraction or steam treatment to fully remove the odor and keep the house smelling fresh.