How to Clean a Mattress Before Selling It

Nearly 20 million mattresses end up in landfills every year in the U.S., and most of them still have years of life left. If you’re looking up how to clean a mattress because you want to sell yours, you’re already ahead of the curve. A clean, fresh-smelling mattress can sell for 30-50% of its original retail price. A stained, musty one? Good luck giving it away. The difference between those two outcomes usually comes down to about an hour of work.

I’m Ari Kimmelfeld, founder of Commonplace, a peer-to-peer marketplace for large items. Our drivers pick up, inspect, and deliver. Buyers get 60 minutes to test before paying. I’ve seen hundreds of mattress listings, and the ones that sell fast have one thing in common: they look and smell like someone cared. Here’s how to get yours there.

Can You Even Sell a Used Mattress? (Yes, But Check Your State)

Let’s clear this up first. Selling a used mattress is legal in most states, but rules vary. California and New York require used mattresses to be sanitized and labeled as “used” before resale. Others have no restrictions at all. Quick search for your state’s regs before listing, but don’t let this scare you off. Millions of used mattresses change hands every year through private sales.

What You’ll Need: The Mattress Cleaning Kit

You probably own most of this already. Here’s your mattress cleaning for resale kit:

• Vacuum with upholstery attachment – Most important tool. Borrow one if yours doesn’t have an upholstery head.
• Baking soda – Full 16-oz box. Two if it’s a king.
• Hydrogen peroxide (3%) – Drugstore kind, not salon-grade.
• Dish soap – A few drops. Dawn works great.
• Spray bottle – For your stain-treatment mix.
• Clean white cloths – White matters. Colored cloths can transfer dye.
• Enzyme-based cleaner – Optional. Useful for biological stains.

Total cost from scratch: maybe $15. Solid ROI when you’re listing a mattress for $200-$800.

Step-by-Step: How to Deep Clean a Mattress

This works on memory foam, innerspring, hybrid, and latex. About an hour of active work plus drying time.

1. Strip everything off. Sheets, pad, protector, everything. Wash it all on hot while you work on the mattress. Removable cover? Unzip and toss that in too.
2. Vacuum the entire surface. Upholstery attachment, slow overlapping rows. Top, all four sides, seams, edges. Flip and do the bottom. This single step makes a bigger difference than most people expect.
3. Spot-treat stains. Mix 2 tablespoons hydrogen peroxide, 1 tablespoon dish soap, and 1 tablespoon baking soda in a spray bottle. Spray onto stains, don’t soak. Blot with a clean white cloth. For stubborn spots, let the solution sit 10-15 minutes before blotting.
4. Baking soda the whole thing. This is the step people skip. Baking soda mattress cleaning is the real deal. Sprinkle a generous layer across the entire surface. Let it sit at least 30 minutes. An hour is better. The baking soda absorbs odors and moisture.
5. Vacuum again. Every grain needs to come up. Go over it twice. Residual baking soda looks sloppy.
6. Deodorize and air out. Stand the mattress near an open window or in a room with good airflow for a few hours. If odor lingers, lightly spray with Febreze. Sparingly. You want “no smell,” not “heavily perfumed.”
7. Inspect under good light. Check for remaining stains, yellowing, or spots you missed. This is when you decide what to disclose in your listing.

How to Remove Mattress Stains: The Common Ones

Different stains need different approaches. Here’s how to remove mattress stains by type.

• Sweat and body oil (yellow stains): The peroxide/soap mix from step 3 handles these well. For deep yellowing, apply the solution, cover with baking soda, let it dry completely, then vacuum. Repeat if needed.
• Blood: Cold water only. Never hot, which sets blood permanently. Dab with cold water, then apply hydrogen peroxide directly. It’ll fizz. That’s good. Blot, don’t rub.
• Urine: Enzyme-based cleaner here. Spray generously, let it sit 10-15 minutes, blot dry. Follow with baking soda. Old stains may need two or three rounds.
• Coffee or wine: Blot with a dry cloth first, then use the peroxide/soap solution. Patient treatment works well on these.
• Mystery stains: Start with the general solution, then try enzyme cleaner. If neither works, be honest in your listing and price accordingly.

What Stains Kill a Sale vs. What’s Fixable

Honesty time. Not every mattress is worth cleaning for resale. Here’s how I think about it.

Totally fixable and no one will care:

• Light surface stains that respond to treatment
• Minor yellowing from age
• Small spots that are clean but slightly visible
• Dust and general dirtiness (that’s what vacuuming is for)

Disclose these and price down, but still sellable:

• Stubborn stains that won’t come out completely but are sanitized
• Light impressions or body indentations on one side (flip it)
• Minor pilling on the surface fabric

Probably not worth selling:

• Heavy, widespread staining that won’t respond to treatment
• Mold or mildew (health hazard, full stop)
• Strong, persistent odors even after deep cleaning
• Significant sagging or structural damage
• Bed bug history (even if treated, not worth the risk to your reputation)

I’ve seen sellers get hung up trying to salvage mattresses that honestly should be recycled. If yours falls in that last category, check out our guide on other things to sell to make money instead. Your time is worth something too.

How to Photograph a Clean Mattress for Your Listing

You did the work. Now make sure your photos show it.

• Natural light only. Pull the mattress near a window. No flash.
• Plain background. Clean wall, clean floor. Not on the frame with rumpled sheets nearby.
• Show the label. Buyers want to verify brand, model, and size without asking.
• Photograph imperfections. Stain you couldn’t fully remove? Shoot it clearly. Builds trust. On Commonplace, our drivers inspect at pickup anyway.
• Show the profile. Side shot showing mattress height and edge support condition.
• Include measurements. Tape measure in one shot, or dimensions in the description. “Queen” varies by manufacturer.

Six photos minimum. Listings with more photos sell faster and for more money. Same goes if you’re listing appliances or furniture.

Pricing Your Used Mattress

A cleaned mattress in good condition typically sells for 20-50% of retail, depending on brand, age, and condition. Here’s a rough framework:

• Premium brands (Tempur-Pedic, Casper, Purple, Saatva) under 3 years old: 40-50% of retail. A $2,000 Tempur-Pedic in good shape can realistically sell for $800-$1,000.
• Mid-range brands (Tuft & Needle, Leesa, Nectar) under 3 years old: 30-40% of retail.
• Budget brands or anything over 5 years old: 15-25% of retail. Mattresses depreciate. That’s just the reality.
• Barely used (under 1 year, still feels new): 50-60% of retail. These are gold.

Post-cleaning condition determines where you land in those ranges. Spotless and neutral-smelling? Top. Visible wear but no stains? Middle. Disclosed stains? Bottom, but still a sale. If you’re also decluttering your home, selling the mattress alongside bedroom furniture can speed up both sales.

List It and Let Commonplace Handle the Rest

Here’s where most mattress sales fall apart. The buyer wants delivery. You’re not fitting a queen in your Honda Civic. They’re not either. Two weeks of back-and-forth, and the deal dies.

That’s why we built Commonplace. You list your mattress, our driver picks it up, inspects it, and delivers to the buyer. The buyer gets 60 minutes to test it in their own bedroom. Happy? Sale goes through. Not happy? We handle the return.

No strangers in your house. No truck rental. No flaky buyers. If you’ve been selling furniture online the hard way, you’ll feel the difference.

FAQ: Cleaning and Selling a Used Mattress

How long does it take to clean a mattress for resale?

About one hour of active work. The baking soda step adds 30 minutes to a few hours of passive waiting time, and you’ll want a few hours of air-drying after that. I usually tell sellers to start in the morning and list by evening.

Can I steam clean a mattress before selling?

You can, but be careful with moisture. Memory foam especially doesn’t handle excess water well. Steam lightly and allow at least 24 hours of drying. For most mattresses, the vacuum-and-baking-soda method above is enough.

Do I need to disclose stains or wear in my listing?

Yes. Always. Nondisclosure leads to disputes, returns, and bad reviews. On Commonplace, our drivers inspect at pickup, so undisclosed issues get flagged before the buyer sees them. Be upfront. Buyers respect honesty.

Is it worth getting a mattress professionally cleaned before selling?

Professional cleaning runs $50-$150. Worth it if your mattress sells for $500+ and has stains you can’t handle. For a $200 mattress, DIY is the smarter move.

What’s the best time of year to sell a used mattress?

Late summer and early fall. College move-ins and new homes create a demand spike. But honestly, mattresses sell year-round. Don’t wait. Clean it and list it.

Ready to sell? List your mattress on Commonplace and let us handle the pickup, delivery, and buyer experience. You’ve already done the hard part.