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Cat urine smell in furniture


The smell of cat urine in furniture is sharper than many others, and it can cover a larger area than the visible stain. A fresh stain can usually be reduced, but urine soaked into the upholstery may go on smelling and attracting the cat even after cleaning. If the cat does this repeatedly, a health reason has to be ruled out first.

Prepared by Mēbeļu Tīrīšana Rīga, updated 7 November 2026. Sources: 7

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Illustration: a cat on a sofa arm looking out of the window
Illustration: a cat on a sofa arm looking out of the window.

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What happens under the fabric

Drawing: cross-section of a sofa seat where a stain soaks from the fabric into the foam
On the fabric The stain shows on the surface. In the foam Liquid soaks deeper and cannot be seen from the surface.

Why cat urine smells so sharp

Urine marks contain extra chemicals for communication between cats, and to people they seem sharp. One of them is felinine, which is excreted in urine and is the precursor of the smells typical of cats. Unneutered tomcats excrete more of it.

That is why even a small mark can smell very sharp. It is usually on a vertical surface: the side of a sofa, a backrest, a bed frame. Look there too, not only on the seat.

Sources: ASPCA, Urine Marking in Cats; Miyazaki et al., Chemistry & Biology, 2006 (from the abstract); MSD Veterinary Manual. Checked 07.11.2026

What to do at once

  1. Blot Use a clean cloth or paper to blot gently, without rubbing.
  2. Cool water, very little Gently blot with a damp cloth and then a dry one; do not saturate the fabric.
  3. No ammonia Feline vets warn against ammonia-based cleaning products: to a cat, they smell like urine.
  4. Check a wider area The area of smell can be up to three times larger than the stain, so look at the area around it too.

ASPCA and MSD mention enzyme products as a way of cleaning thoroughly. If you use one, choose a product made for pet smells and test it in a hidden spot first. Do not use heat or chlorine bleach.

Sources: Feline VMA, House Soiling handout; ASPCA; MSD Veterinary Manual; University of Georgia Extension; Virginia Cooperative Extension. Checked 07.11.2026

First the cat, then the sofa

If the cause remains, the effect of cleaning is short-lived. About one cat in ten urinates outside the litter tray at some point in its life, and medical reasons have to be ruled out first. Unneutered tomcats and cats in homes with several cats do this more often.

If the cat repeatedly urinates on furniture, it is advisable to consult a vet before cleaning. The MSD Veterinary Manual writes that cleaning the soiled spots, adding more trays and other steps reduce or stop marking in some cats. Some, not all.

Sources: ASPCA, MSD Veterinary Manual. Checked 07.11.2026

Marking or an accident

Sign Urine marking Urinating outside the tray
Place Usually a vertical surface Usually a horizontal surface
Amount Smaller Larger
What to do Talk to a vet about behaviour and health First rule out health reasons

In both cases the vet is the first step, but for the furniture the difference is significant. A mark is small but very sharp, whereas a large amount on the seat can soak into the upholstery. Say in the form which of these is your case, and attach a photo from the side as well.

The limit of cleaning

International Cat Care writes that heavily soiled fabric should be thrown away if possible, because it stays attractive for marking even after cleaning. This does not apply to every stain, but it shows that cleaning has a limit. The sources give no measured limit for foam, so that can only be judged after an inspection.

Usually comes out

  • A single fresh stain on fabric that allows cleaning
  • A smell on the surface, if the cat's problem has been solved

May stay

  • A smell from foam or the mattress core
  • A spot the cat returns to again and again
  • Heavily soiled fabric that may have to be replaced

Source: International Cat Care, Urine spraying in cats. Checked 07.11.2026

What to order

Cats mark vertical surfaces, so a headboard and the sides of an armchair are the places worth inspecting first. Headboard from €35.

If the cause is clear and the urine is not deep in the upholstery, order cleaning at your home. Read this first: sofa cleaning after a cat or dog. If the stain is on a mattress: cleaning urine from a mattress. What to do about a new accident: what to do about urine on a sofa or bed.

Sofa: two-seater from €35, three-seater from €45, corner from €50. Armchair from €20. Mattress: single from €30 (one side). Smell treatment is extra, from €15. The price depends on size, fabric, how dirty it is, smell and distance. The minimum order is €45: if the total is lower, you pay €45. Travel is included in Riga and up to about 15 km outside Riga; further out it is from €10.

Sources

  1. Marks contain extra substances that smell sharp to people; enzyme products; about 10 in 100 cats checked 7 November 2026
  2. Felinine; unneutered tomcats excrete more checked 7 November 2026
  3. Marking, vertical surfaces, medical reasons, cleaning reduces it in some cats checked 7 November 2026
  4. Area of smell up to three times larger; no ammonia; testing in a hidden spot checked 7 November 2026
  5. Heavily soiled fabric stays attractive checked 7 November 2026
  6. Blot, do not rub checked 7 November 2026
  7. Cool water, do not saturate checked 7 November 2026

Related prices

Related prices
Sofa, two-seater fabric from €35
Armchair fabric from €20
Smell treatment extra from €15

Minimum order €45. Travel is included in Riga and up to about 15 km outside Riga; further out it is from €10.

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Frequently asked questions

Why does the cat return to the same spot?

Heavily soiled fabric stays attractive even after cleaning, so one spot can become a habit. Cleaning alone cannot always solve this.

Can you promise that the cat will no longer urinate on the sofa?

No. Cleaning can reduce the smell, but if it keeps happening, that is a matter of behaviour or health for a vet.

Should I clean while the cat is still urinating there?

Best alongside a vet's advice. If the cat carries on, the spot will be soiled again and the effect of cleaning will be short-lived.

Does it matter whether the mark is on the side or on the seat?

Yes. Marks are usually on vertical surfaces and smaller, so look at the sides and the backrest. On the seat the amount is often larger, and it can soak in deeper.

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