What items are banned from a roll-off dumpster?
Hazardous waste tops the list: paint cans with liquid still inside, solvents, pesticides, herbicides and pool chemicals. Car batteries and household batteries are banned too, along with anything with a Freon line, like refrigerators, freezers and window AC units. Tires get turned away at most transfer stations regardless of dumpster size. If you're clearing out a garage or a renovation site, check what cannot go in a dumpster against your pile before Cornerstone Porta Potty rolls the box out, because a mixed load can mean a second trip.
Asbestos-containing material needs its own disposal path, not a general roll-off, and the same goes for medical waste and any container that once held a compressed gas. Electronics with circuit boards, like TVs and monitors, are restricted in a lot of jurisdictions and should be kept separate. If you're not sure whether something belongs, our dumpster permit requirements page and our dumpster weight limits page cover the two things that get loads rejected most: banned materials and overweight boxes. A 10 yard dumpster rental or a 20 yard dumpster rental both get billed by weight once you're over the limit, so keeping heavy debris like concrete and shingles separate from banned items matters twice over.
Can I put appliances or electronics in a dumpster?
Appliances with a sealed refrigerant line, like a fridge, freezer or window unit, can't go in without the coolant being professionally removed first. Once that's done and documented, the shell is usually fine. Electronics are trickier: most transfer stations in the Denver metro treat TVs, monitors and computers as e-waste and want them dropped separately, not mixed into a roll-off dumpster rental with construction debris. If your job is a full renovation with a mix of appliances, drywall and lumber, a 30 yard dumpster rental gives room to stage items before the truck comes, which makes sorting easier than doing it curbside.
Homeowners doing a kitchen gut in Lakewood often ask about this at the same time they're asking about porta potties for the crew, since both come up on the same home renovation porta potty job. Renting both from one company, alongside a temporary fence rental to keep the site secured overnight, tends to simplify scheduling.

What happens if I put a banned item in the dumpster anyway?
The load gets flagged at the scale, and depending on what's found, the whole box can be rejected and sent back. That means a second delivery fee and a second pickup, which costs more than sorting the item out up front would have. Landfills and transfer stations physically inspect loads that look suspicious, especially ones with visible paint cans or car batteries sitting on top. Our dumpster rental cost page breaks down how weight and contamination fees stack, and it's worth a read before your first delivery if this is your first time renting in Lakewood.
| unit | duration | low | typical | high |
|---|---|---|---|---|
| dumpster | day | $51 | $75 | $112 |
| dumpster | weekend | $390 | $440 | $497 |
| dumpster | week | $426 | $600 | $778 |
| dumpster | month | $91 | $108 | $500 |
For construction sites specifically, keeping the dumpster area clear ties into general housekeeping rules too. OSHA 1926.25 requires scrap and debris to be cleared from work areas regularly, and OSHA 1926.252 covers how waste materials get disposed of, including chutes and enclosures, on active jobs. A dumpster full of banned material sitting on-site doesn't just risk a rejected pickup, it can turn into a housekeeping violation if it piles up. Our construction dumpster rental page covers scheduling swaps so debris doesn't accumulate between pickups.
Where can I take items that can't go in a dumpster?
Paint, batteries and electronics generally need to go to a household hazardous waste facility or a dedicated e-waste drop-off, not the same load as your roll-off. Tires usually go back to a tire retailer or a dedicated recycler. If you're demolishing a structure and think asbestos might be present, that needs testing and a licensed abatement contractor before any debris moves, dumpster or not. For a broader sense of dumpster sizing before you book, our dumpster sizes and dimensions page and our 40 yard dumpster rental page cover what fits where.
Storage and staging matter here too. If you're sorting through years of stuff before a move, a storage container rental or a 20ft storage container gives you room to separate the keep pile from the dumpster pile without rushing the sort. Jobs across Lakewood and out toward Wheat Ridge, 5.8 miles north, or Golden, 9.2 miles northwest, run into the same sorting questions, and the answer is the same regardless of address: hazardous and banned items get pulled first, then the rest goes in the box.
Can I throw furniture in a dumpster?
Yes, most furniture is fine in a standard roll-off. Wood, upholstered pieces and metal frames are common in renovation loads. The exceptions are mattresses in some jurisdictions and anything with embedded batteries or electronics, like a recliner with a powered lift mechanism.
Are construction materials like drywall and shingles allowed?
Yes, drywall, wood, shingles and concrete are standard dumpster material. Concrete and shingles are heavy, though, and push you toward the weight limit fast. Check our dumpster weight limits page before loading a full tear-off roof job into one box.
Can I put liquids in a dumpster?
No. Paint, oil, solvents and any standing liquid are banned, since they can leak and contaminate the load underneath. Dry paint cans, scraped clean, are usually fine. Wet or full cans need a hazardous waste drop-off instead.
What about yard waste and dirt?
Yard waste and dirt are often accepted but sometimes billed differently, since dirt is dense and adds weight fast. Ask when booking whether your 10 yard dumpster rental includes yard waste or if it needs a separate arrangement.
Do I need a permit to place a dumpster in Lakewood?
Placement in the public right of way needs confirming with the city before delivery. Our dumpster permit requirements page walks through what to ask, and Cornerstone Porta Potty can help place the box on private property to avoid the question entirely.

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