For new buyers discovering cat urine after closing
Just Moved In and the House Smells Like Cat Urine.
You didn’t smell it during the showings. You don’t smell it walking up the driveway. Then you walk in, close the door behind you, and it hits you.
First — you’re not crazy. Sellers commonly do surface-level prep before showings (fans, fresh paint, new carpet, open windows) that reduces what’s noticeable in a 30-minute walkthrough; once the house is closed up and you’re living in it, deeper contamination becomes obvious. Second — surface cleaning won’t fix it. Don’t start tearing up flooring or replacing drywall yet: the first step is finding out what’s actually contaminated and what isn’t.
- Founded 1989
- Pet Odor Specialists Since 2000
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If you can smell it, we can find it. If we can find it, we can treat and seal it at the source.
Founded 1989 · Pet Odor Specialists Since 2000
What this looks like in a real home
Just Moved In and the House Smells Like Cat Urine: the problem, the cause, the fix
01What you smellThe last owner’s catsCats mark the same hidden spots, like closets and corners, over and over. 
02What we findIt shows up under UVThe blacklight maps spray on floors, walls and trim across the house. 
03Where it livesDown in the subfloorYears of marking soak through the pad and into the wood below.
Illustrative images.
You’ve probably already tried
Opening every window and airing it out for days
Cleaning the carpets (rented machine or a carpet cleaner)
Surface enzyme treatments
Air-treatment machines (ozone or hydroxyl)
Replacing the carpet left by the previous owner
Repainting walls with primer over the contamination
Plug-ins, candles, diffusers
Calling the seller’s agent and hearing they “don’t know anything”
It may have helped temporarily, then came back a few weeks later — because the cleaning reached the surface and the urine is below it.
Why surface treatments don’t resolve the smell
After years of cat urine in the same home, the contamination is no longer on the carpet, wall, or concrete — it’s inside those materials. To fully address it, every contaminated layer has to be found; the earlier that happens, the better your chances of resolving it.
Subfloor
The wood under the carpet you may have already replaced.
Learn moreDrywall
Especially behind baseboards and on cat-spray walls.
Learn moreDoor jambs and frames
Concrete slab
Slab-on-grade homes, garages, basements.
Learn moreBaseboards
MDF and pine absorb like a sponge.
Learn moreWall framing and studs
In severe cases.
Process
- 01
Start with a Pet Odor Inspection
Find what’s actually contaminated before touching anything.
Learn more - 02
Remediate
The contaminated layers.
- 03
Treat and seal
With the Odor Encapsulator — designed to help contain and reduce embedded urine vapors.
- 04
5-year written guarantee
On qualifying work.
The 5-Year Written Guarantee
Qualifying surfaces treated with our proprietary Odor Encapsulator are backed by a written 5-year guarantee, subject to the documented treatment scope and written terms. The Odor Encapsulator is designed to help contain and reduce embedded urine vapors in the materials it is applied to.
It addresses pet-urine odor in the specific structural materials we treat. It does not make the property impervious to future pet accidents or odor from other sources, and it does not apply to inspections, estimates, oxidizer-only treatments, or allergen services.
Start With a Free Phone Quote
Tell us what you're smelling and where. A free phone quote takes under 10 minutes — and we'll point you to the right service, even if it's not ours.