If your home still smells like pet urine after you’ve scrubbed the carpet, you’re not imagining it. Urine soaks through carpet into the pad, the subfloor, the baseboards and even the grout between tiles. In Florida’s humidity, the smell comes right back every time the air gets damp. Here’s how to deal with it properly.
Why the Smell Keeps Coming Back
- It’s below the surface. Cleaning the top of the carpet doesn’t reach the pad or the subfloor underneath.
- Humidity reactivates it. Dried urine salts pull moisture out of the air, and the odor returns on humid days.
- Pets go back to the same spots. If they can still smell it, they’ll keep using it.
- The AC spreads it. The air handler pulls air from every room and pushes it back out, carrying the smell through the house.
Step 1: Find Every Spot
Turn off the lights and use an inexpensive UV blacklight flashlight. Old urine stains glow on carpet, walls, baseboards and furniture. Mark each one with painter’s tape. Check corners, behind furniture, closets and the edges of rooms, since those are favorite spots.
Step 2: Treat the Source
- Fresh or light spots: blot, then soak with an enzyme cleaner made for pet urine and let it sit as long as the label says. Skip ammonia-based cleaners; they can smell like urine to pets.
- Old or heavy spots on carpet: the pad usually has to be replaced, and the subfloor cleaned and sealed with an odor-blocking primer before new pad goes down.
- Tile: urine can soak into grout. Deep-clean it, and reseal or regrout where the smell won’t come out.
- Baseboards and drywall: clean and seal with an odor-blocking primer, or replace the bottom of the baseboard if it’s soaked.
- Fabrics: wash pet bedding, throws and curtains, and have upholstery cleaned.
- AC: change the filter.
Step 3: Clear the Odor Left in the Home
Even after the spots are cleaned or replaced, the smell often hangs on in the air, the AC system and soft surfaces throughout the home. That’s where our whole-home odor removal treatment comes in. It treats the air throughout the entire home, including one AC system. You’ll be out of the home for about 8 hours, and pets need to be out too.
To be clear: it’s an odor treatment. It works best after the soaked pad, subfloor or grout has been dealt with. If urine is still soaked into the floor, the smell can return.
Curious how it works? Read how the whole-home odor treatment works, and what it can and can’t do.
Landlords, Sellers and New Buyers
Pet odor is one of the most common smells left behind by a previous tenant or owner. If that’s your situation, see our landlord’s guide to odors between tenants or how to get rid of odors before you list a home.
Whole-Home Odor Removal in South Florida: $997
Our Whole-Home Odor Removal Treatment is $997 and includes one AC system ($550 for each additional AC unit). You can buy and schedule it online, or call 877-224-2532. We answer 24/7, and hablamos español.
About the author: James Rice-Peña is the owner of FL Cleanup and a Florida-licensed Mold Assessor (MRSA4035) and Mold Remediator (MRSR4158). He has worked in property restoration in South Florida since 2012, and FL Cleanup has earned 200+ five-star Google reviews.
