Asked on Sep 13, 2019

How to clean cat urine odors out of an old house?

Molly AnmarAdrienne Carrie Hubbard | Crafty Little GnomeEm


There is no carpet or rugs. It's totally empty and totally stinky. I'd like to hear from someone that has had the same problem.

4 answers
  • Redcatcec
    on Sep 13, 2019

    Try Nature's Miracle, it is an enzyme cleaner available at pet stores.

    • Jure Sosa
      An hour ago

      One of my 2 cats (both neutered males) had taken to painting all of my walls, furniture, and anything else he could reach. I was horrified when I got a UV light. He never did that in all of the 9 years I've had him and didn't when I got him a buddy (they love each other and did so right away) but when a strange black cat started showing up outside both of my cats went nuts and the older one (9) started his wall painting, as well as the curtains out in the kitty room. I couldn't keep up with it.

      My cats are indoor cats so it's not like the stray is actually going to get in here but they both hate him (and he is neighbor's cats hate him too). I've tried cleaning with a pet urine enzyme and then spraying some "No More Spraying" but that hasn't worked. He's a sneaky little bugger too; he waits until he thinks I'm not looking and then does it. He's learned that the minute I see him backing his butt up to something he gets yelled at.

      It wasn't until I found "Cat Spraying No More" that I was able to finally get rid of this tiresome behavior.

      Now my house doesn't smell like a litter box anymore :)

      Here's a link the their site if you're interested in checking it out:

      I hope you guys don't mind me sharing this. Have a wonderful day!

  • Em
    on Sep 13, 2019

    They sell enzyme eaters made for cat pee. You have to dampen the area with it. Check pet stores. Once the urine soaks into the wood you will never be 100% free of it. When the humidity kicks in during summer months you may smell it a bit unless you have a humidifier/dehumidifier on your furnace. Once you have cleaned the wood the best you can and it has THOROUGHLY dried put several layers newspaper on top of the area for several weeks topping with a throw rug to weight down., replacing it every a few days. This will remove more of the odor. It does go away in time unless the wood is dampened again, mostly by humidity in the air. So use a dehumidifier in the summer in that area if you don't have one on your furnace should you smell any remnants again.

    Lived with cats all of my life so I know what you are dealing with.

    • Em
      on Sep 13, 2019

      The entire house will smell if it has closed windows. Open the windows when possible to air out. Use a dehumidifier when it is closed. Buy a blacklight to use to find out where the major problem areas are. The smell can't be coming from EVERYWHERE unless the cats peed on every floor in every room and sprayed the walls. If that is the case you will have to remove ALL of the flooring and replace. If it just stinks, find out where they peed or sprayed and address those areas.

  • Molly Anmar
    on Sep 14, 2019

    Unfortunately, you can't. We had a similar problem, and when we talked to cleaning professionals, they told us that if the wood is soaked with cat urine, the smell will never come out 100%. We were told we had two options:

    1) reseal the wood (but this is not a permanent solution. Eventually the smell will seep through again).

    2) replace the wood. We ended up doing that option. The cleaners we talked to didn't recommend someone, so they weren't trying to shill for someone. We ended up replacing the wood flooring ourselves. It wasn't as hard a we thought it would be. We also had to replace the subflooring, as the urine had soaked through there too.

    Someone else told us about another solution used by professionals which is to ozone bomb the house. You seal the house up and run an ozone machine in it for 24 hours. This will neutralize every smell in the house including cat urine. Ozone is bad for various things so it is best if the house is empty when this is done. A caveat about this process: ozone can bleach things (pictures, fabrics, paints, wallpaper) and even make some plastics age faster but still an option for some cases.

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