How To Clean Mouse Urine Stains On Ceiling

mouse Urine Stains On Ceiling

For every homeowner, seeing mouse urine strains on ceiling is heartbreaking!

Not only does it ruin your ceiling’s curb appeal, but it also oozes an awful smell that makes that particular space less comfortable. 

And since mice have very strong urine, they leave behind stains that are hard to remove. 

Don’t worry. We have already listed some DIY tips on how to get rid of the stains without ruining the texture and make your roof smell fresh again. 

But taking care of the root cause (mouse or other rodent incursions) will prevent recurring stains.

So I will discuss how to wipe clean their infestation and prevent these rodents from throwing another fest in your ceiling. 

How To Remove Mouse Urine Stains On Ceiling

Before going straight into that, what do mouse urine stains on ceiling look like? 

Have you ever asked yourself that question? 

Who knows? It could be a roof leak or something. 

But generally, spotting a urine stain is more challenging than it sounds, as several factors influence its appearance—for instance, the type of ceiling material and the amount and age of urine deposited. 

Although, mice urine can look like any kind of stain or discoloration. It is typically small, brownish stains that sometimes look like water splashes. 

Mind you; a musty smell ALWAYS accompanies the stains.

It smells because it contains urea and uric acid, which comprise part of the waste products in their body fluid. 

The color can vary depending on the type of diet consumed recently. But depending on how long it was deposited, it ranges from yellowish-brown to dark brown. 

However, fresh deposits often appear clear or pale yellowish-brown due to a lack of uric acid content.

This appears as a clear liquid when diluted but turns darker when left alone for several hours or days, depending on environmental conditions such as heat and humidity levels.

And since mice urine are highly acidic, it will soak through the ceiling material —taking an irregular shape and is often very faint. 

It’s also possible that there may be droppings in or around the stain as well.

 So how do you remove these insightful stains?

First, get your protective equipment on point (gloves, mask, apron), a 50% bleach-to-water ratio solution, some paper towels, and a sponge.

Then follow my lead: 

STEP 1: Identify The Stain Area

Throw in your protective wear to avoid contact with the urine. Remember, mice’s urine can cause skin irritation and transmit disease, so stay protected.

And once you are in that space, check for any build-up. If you notice any solid debris, remove them from the paper towels.

Be gentle with it, and avoid scrubbing so the urine won’t spread or, even worse, damage the ceiling material. 

STEP 2: Bot The Stain Area With The Solution

No doubt there is plenty of solutions for removing mouse urine stains. But a solution I know that works well is a white vinegar mixture or the bleach solution. 

Mix one part vinegar with two parts water or 50% bleach to warm water solution; either of them will do. 

Dip the sponge in the mixture and blot it to the stain. Allow it to sit for several minutes to help fade the stain and shell off any mildew. 

Repeat this step until the area is clean.

The key is to blot and not scrub. Also, remember to give it a break before reapplying.

How Do I Know If I Have A Mouse Infestation?

Mice are a part of life. This research proves my point that there is at least one rodent for every person in the U.S.

Whether you live in a city or the countryside, mice will pay you a visit someday.

It doesn’t matter how spick and span your house is; they will find a way in if you give them a reason to.

Mouses are attracted to reliable food sources to stay alive, shelter and warmth, and nesting materials. Your home provides all three.

And despite their non-threatening stature and pitiful eyes, these animals can cause serious problems.

They can chew through wires and electrical cords, which could lead to a fire, shock, or expensive repairs.

Health-wise, the mouse is the villain. They are keen to spread more than 35 diseases upon contact, whether it’s their urine, droppings, saliva, or contact with food.

Also, rats and mice carry fleas and ticks, which can cause severe illnesses or even death.

This is why it is SO imperative to drive them away once you notice their presence.

YES! You can sense their presence once they arrive if you know what to look for. 

Mouses are tiny creatures, yet they have a loud presence. They ALWAYS leave trails or clues behind, like:

  • Chew or scratch marks on or around food packaging.
  • Traces of dragged food crumbs or debris in the pantry, shelves, or unusual places.
  • Mouse droppings that look like small, oblong pellets in corridors, at the back of cabinets, under sinks, or in the corners of rooms. 
  • Shredded material, paper, strings pulled or loose, or nests made of fabrics.
  • Scratching or squeaking noises at night.
  • Your pet starts investigating, like pawing at or under appliances, scratching, or barking at the apparent infestation. 
  • Mouse urine stains on ceiling.

Also Read: How To Rodent Proof Ductwork

3 Sure-Fire Methods That Keep Mouse At Bay

1. Hide Or Eliminate All That They Find Alluring

Once you give them a reason not to come in, they won’t. This includes removing all food sources. 

Mouse wander in search of food, shelter, and perfect breading ground. 

So once you remove what they like to eat, you have already solved half of the equation. 

Store all your grains, dry goods, and pet food in glass or metal containers. 

Never throw away waste or leftovers without properly sealing them in tamper-proof bins. And make sure you leave any spills and messes promptly. 

Secondly is to seal or block any entry point (could be siding, in your foundation, or doorways) by using caulk or weather-stripping. 

Mouse will ALWAYS try to invade your home, especially when the temperature dips. And it is often through these entrances. 

So endeavor to cover all holes with duct tape or poke steel wool into those areas. 

2. Capitalized On Natural Mouse Repellent

Mice has an incredible sense of smell, which we could use to our advantage. 

That is because there are some smells mouse hate. If you can get enough of it around your household, they would be staring from a distance with a boiling faces. 

Some of these natural rodent repellents are:

  • Peppermint Oil
  • Cinnamon
  • Vinegar
  • Citronella

Put it in a spray bottle and apply it around the perimeter or in those access points, and the pungent smell will do the magic. 

3. Train A Cat

You know the beef between Tom & Jerry? Well, you could be watching the live series without tuning into the cartoon network. 

Cats are preferable the most effective mouse deterrents for pet lovers. Just adopt one, and all the mice will pack bag and baggage. 

Alternatively, you can stash some pure ammonia. Mouses perceive the smell as a predator’s urine. They will mark your home as a no-go area. 


So that is all you need to know about mouse urine stains on ceiling. 

First is to remove the stains, then immediately follow the preventive measures. 

However, if you are only concerned about the stains, you will get another map drawn on your ceiling sooner or later. 

This is why making your house a living hell for these rodents is necessary.

Not everyone will buy into the cat idea, but this natural mouse repellent works miraculously well. And more importantly, they are eco-friendly.

Leave a Reply

Your email address will not be published. Required fields are marked *