The Ultimate Bathroom Deep Cleaning Checklist (That Actually Works)

Here’s a stat that honestly made me gag a little — your bathroom can harbor over 3.2 million bacteria per square inch on certain surfaces. Yeah, you read that right. That’s why I became borderline obsessive about having a solid bathroom deep cleaning checklist, and honestly, it’s changed my whole routine for the better!

Look, I used to think wiping down the counter and swishing the toilet bowl was “deep cleaning.” Spoiler alert: it wasn’t. My bathroom always had this faint musty smell I couldn’t figure out, and the grout between the tiles was slowly turning a color I’d rather not describe.

So after years of trial and error — and one embarrassing moment when my mother-in-law pointed out mildew behind my toilet — I finally nailed down a system. Let me walk you through it.

Gather Your Supplies First (Trust Me on This)

Nothing kills momentum like running to the kitchen for paper towels mid-scrub. Before you start, get everything together. I learned this the hard way after slipping on a wet floor trying to grab forgotten gloves from under the sink.

Here’s what I always have ready:

• Rubber gloves (non-negotiable)
• All-purpose bathroom cleaner or a DIY vinegar solution
• Toilet bowl cleaner and a good brush
• Microfiber cloths and an old toothbrush
• A scrub brush for grout and tile
• Glass cleaner for mirrors
• A squeegee if you’ve got a glass shower door

Pro tip: I keep a dedicated cleaning caddy under the bathroom sink now. Game changer. Everything’s right there when motivation strikes.

Start From the Top and Work Down

This was probably the biggest lesson I ever learned about bathroom sanitizing. If you clean the floor first and then scrub the shower, all that grimy water just drips right down onto your freshly mopped tiles. So frustrating.

Begin with the exhaust fan and light fixtures — they collect dust like nobody’s business. A damp microfiber cloth works great here. Then wipe down the walls, especially around the shower area where soap scum and mildew love to hang out.

I was honestly shocked the first time I wiped my bathroom walls down. The cloth turned brown. We don’t even want to talk about what was living up near the ceiling corners.

The Shower and Tub: Where the Real Battle Happens

Okay, this is where most people (myself included) used to cut corners. Removing soap scum and tackling mold in the shower takes some elbow grease, but a good bathroom cleaning technique makes it way easier.

Spray your cleaner and let it sit for at least 10 minutes. Seriously, just walk away and go wipe down the mirror or something. When you come back, the grime practically wipes off. For stubborn grout stains, that old toothbrush is your best friend — just get in there and scrub in small circles.

And don’t forget the showerhead! I soak mine in a bag of white vinegar overnight about once a month. The amount of buildup that comes out is both disgusting and deeply satisfying.

Toilet, Sink, and the Spots Everyone Forgets

The toilet gets cleaned inside and out — including the base and behind it. That’s where my mother-in-law incident happened, so I’m never skipping that again. Apply toilet bowl cleaner, let it sit, then scrub thoroughly.

For the sink, pay attention to the faucet handles and the drain. Toothpaste residue builds up around the base of the faucet something fierce. A little baking soda paste works wonders for disinfecting bathroom surfaces without harsh chemicals.

Spots people always miss:

• The toilet handle (so many germs)
• Light switches and door handles
• The towel rack and hooks
• Inside drawers and cabinet fronts
• The trash can itself — when’s the last time you actually washed it?

Floors Last, Always

Sweep or vacuum first to grab hair and dust bunnies, then mop with a disinfecting solution. I like to get into the corners with a damp cloth on my hands and knees — it’s not glamorous, but it’s thorough. Make sure the floor is completely dry before putting bath mats back down, otherwise you’re basically creating a mold breeding ground.

Your Bathroom Will Thank You

A proper bathroom deep cleaning checklist doesn’t have to be overwhelming. Customize it based on your space — maybe you’ve got double vanities or a separate tub and shower. The key is consistency, and always wearing those gloves because your skin will thank you later.

If you found this helpful, head over to the Nook Method blog for more practical cleaning tips and home care guides. There’s always something new to learn — even for us reformed dirty-bathroom people!