What to Do with an Old Microwave: Complete Guide for Homeowners

That microwave humming in your garage or sitting by the curb is not regular trash, and tossing it in the bin can actually get you fined in a lot of areas. Knowing what to do with an old microwave matters because the unit is classified as electronic waste, packed with circuit boards, a transformer, and small amounts of heavy metals that don’t belong in a landfill. The good news is you have five solid options, and most of them are free. This guide covers recycling, donation, municipal pickup, repair, and creative reuse so you can clear out the old unit responsibly.

Why You Can’t Just Throw It in the Trash

A microwave is e-waste, the same category as old TVs, computers, and phones. Inside that beige box sits a high-voltage transformer, a capacitor that can hold a charge, copper wiring, and circuit boards containing trace metals like lead. When these end up in a landfill, those materials can leach into soil and groundwater over time.

Many states and municipalities have responded with rules. States such as California, New York, Illinois, and Washington restrict or outright ban electronics from regular curbside trash and landfills. Even where it’s technically legal, sanitation crews often refuse loose appliances. Beyond the legal angle, recycling recovers valuable metals, which is simply a better use of the materials. So before anything else, rule out the regular garbage can.

Option 1: Recycle It Through an E-Waste Program

Recycling is the catch-all answer when a microwave is broken or too old to pass along. You have several free or low-cost routes.

• Local e-waste recycling centers: Most counties run a household hazardous waste or e-waste facility that accepts microwaves. Search your county or city website for “electronics recycling” and check hours and any small fee, usually $0 to $20.
• Retailer take-back programs: Best Buy accepts microwaves for recycling at most stores, sometimes for a small fee depending on the location and your state. Call ahead to confirm, since policies vary by region.
• Scrap metal yards: A microwave is mostly steel and copper. Many scrap yards take them free, and some pay a few dollars for the metal content.
• Municipal e-waste collection days: Lots of towns hold periodic drop-off events where you can hand over electronics at no charge.

Before you haul it off, wipe the interior and remove the glass turntable plate, which is ordinary glass and can sometimes be reused or recycled separately.

Option 2: Donate It If It Still Works

If the microwave heats food and the door seals properly, donation keeps a functional appliance in use and out of the waste stream entirely. Plenty of organizations welcome working small appliances.

• Thrift stores: Goodwill, Salvation Army, and Habitat for Humanity ReStores commonly accept working microwaves. Habitat ReStores in particular resell appliances to fund home builds.
• Shelters and transitional housing: Homeless shelters, domestic violence shelters, and programs that furnish apartments for people leaving difficult situations often need kitchen basics.
• Community centers and churches: Break rooms, food pantries, and youth programs can put a spare microwave to immediate use.
• Online giveaway: Posting it free on a local marketplace or a Buy Nothing group usually finds a taker within hours.

Test the unit first by heating a cup of water for one minute. If it warms properly and the door latches securely, it’s donation-ready. Wipe it down and mention the wattage and age when you list or drop it off.

Option 3: Use Municipal Bulk Pickup or a Transfer Station

When you can’t get to a recycler, your city’s waste department may collect the microwave for you. Many municipalities offer scheduled bulk-item or large-appliance pickup, sometimes free a couple times a year and sometimes for a modest fee of $10 to $30.

Call your local sanitation department or check their website to confirm that microwaves qualify and to schedule a date. Alternatively, a regional transfer station or landfill facility usually has a dedicated e-waste drop-off area separate from the trash pit. Either way you’re routing the unit into the proper waste stream rather than the curbside bin.

Option 4: Repair It and Keep It Running

Before you get rid of a microwave, ask whether the problem is worth fixing. Some failures are cheap and simple.

A blown fuse, a worn door switch, or a broken turntable motor often costs $10 to $40 in parts, and these are common DIY repairs with plenty of online walkthroughs for your model. That said, microwaves carry a serious safety warning: the capacitor can store a lethal charge even after the unit is unplugged. If a repair involves opening the cabinet near the transformer or capacitor, leave it to a qualified appliance technician or recycle the unit instead. A new mid-range countertop microwave runs $80 to $150, so weigh the repair cost against replacement. If the magnetron, the part that generates the microwaves, has failed, replacement usually isn’t worth it.

Option 5: Repurpose the Parts or the Shell

For the hands-on crowd, a dead microwave is a small treasure chest of components, though this route demands real caution.

Hobbyists salvage the cooling fan, the turntable motor for craft projects, and the steel enclosure, which can become a makeshift Faraday box or a sturdy storage container. The high-voltage transformer and capacitor are popular with electronics tinkerers but are genuinely dangerous and should only be handled by someone who understands how to safely discharge a capacitor. If you’re not that person, skip the salvage and recycle. The interior cavity also makes a surprisingly good lockable, fireproof-ish storage spot for small valuables once the electronics are removed.

Choosing the Right Option for You

Here’s the quick decision path. If the microwave works, donate it. If it’s broken but the fix is simple and safe, repair it. If it’s dead or outdated, recycle it through a retailer take-back, county e-waste center, or scrap yard. If you can’t transport it, schedule municipal bulk pickup. And if you’re handy and safety-aware, harvest the useful parts before recycling the rest.

Whatever you decide, the one option to cross off your list is the regular trash. Figuring out what to do with an old microwave the right way takes a single phone call or a quick trip to a drop-off site, and it keeps reusable metal in circulation while keeping hazardous components out of the ground.