What Cannot Go In a Dumpster in San Rafael, CA

Paint, tires, batteries, propane tanks, motor oil, refrigerants, medical waste and asbestos cannot go in a roll-off dumpster, and a rejected load can add a fee of $100 or more once it reaches the transfer station. That's the short list. San Rafael Porta Pros turns customers away from these items on almost every construction dumpster rental, so it's worth knowing before the container even shows up.

What items are actually banned from a roll-off dumpster?

The list is longer than most people expect. Paint cans, even empty ones with residue, count as hazardous. Same with solvents, pesticides, herbicides and anything with a corrosive or flammable label. Car batteries, household batteries in bulk, and fluorescent tubes all fall under the same rule: they leach into landfill soil and haulers get fined for it, so we get fined too, so it comes back to you as a rejected load. Tires are banned almost everywhere in Marin County because they trap gas and can rupture a landfill cell. Refrigerators, air conditioners and anything holding refrigerant need to be drained by a certified tech before they touch our roll-off dumpster rental fleet. Asbestos siding, popcorn ceiling material and old insulation need a licensed abatement contractor, not a bin. If you're clearing out a property in San Rafael that was built before the 1980s, check materials before you load anything. We've got a fuller breakdown on what cannot go in a dumpster style questions across our dumpster rental cost page too, since banned items are the number one cause of surprise fees.

Why does a banned item cost extra?

Because someone has to pull it back out. When a hauler finds prohibited material at the transfer station, the whole load can get flagged, and that fee lands on the account that ordered the 10 yard dumpster rental or the 20 yard dumpster rental in the first place. It's not us being difficult. Landfills operate under their own permits, and a single battery or paint can in a ten-ton load can trigger a manual sort that costs real labor hours. We'd rather tell a San Rafael homeowner upfront than bill them later. Check our dumpster weight limits page too, since overloading and banned materials often get flagged in the same inspection. If you're not sure whether something qualifies, ask before it goes in. A five-minute phone call beats a $300 line item on your invoice.

What should I do with hazardous items instead?

Sort them out before delivery day and set them aside in their own pile. Paint, solvents and pesticides go to a household hazardous waste facility, not a curb pickup. Tires go back to a tire shop or a recycler that handles them by the pound. Batteries can usually go to an auto parts counter for a small credit. If you're clearing an estate or gutting a bathroom near San Anselmo, 4.3 miles west of San Rafael, the same rules apply there. For a renovation project, pair your 30 yard dumpster rental with a temporary fence rental to keep the site secure between hauls, and keep a handwashing station rental nearby if crews are working with any coatings, since OSHA 1926.51(f)(1) requires washing facilities where employees apply paints, coatings, herbicides or insecticides. That's a construction-crew rule, not a homeowner rule, but it's worth knowing if you've got a paid crew on site.

Can I put construction debris in a dumpster?

Yes, that's what the containers are built for. Wood, drywall, shingles, concrete in reasonable amounts, and general demo debris are all fine in a 40 yard dumpster rental or smaller. What trips people up is the mixed load: a demo pile that also has an old propane tank buried in it, or a water heater with residual fuel. Pull those out separately. If you're not sure how a container's footprint fits your driveway, our dumpster sizes and dimensions page covers ground clearance, and remember a roll-off delivery needs about 60 feet of straight clearance behind the truck to set the container down safely. Placement on a public street in San Rafael needs confirming with the city before drop-off; we don't guess at right-of-way rules, so check our dumpster permit requirements page and call the city directly if your load zone touches the curb. Crews working a job near Larkspur, 5.1 miles southwest, run into the same permit question on tight residential streets.

What happens if I put a banned item in by accident?

Call us right away, before pickup if possible. We can usually pull an item back out of an open container for no charge if it's caught early. Once the load leaves the site and reaches the transfer station, removal fees typically apply, and those follow the disposal route in the table above.

Are electronics allowed in a roll-off dumpster?

No. TVs, monitors, computers and most e-waste are banned under state recycling rules and need to go to an electronics recycler instead. This applies the same way whether you're in San Rafael or out toward Novato, 11.0 miles north.

Can I throw away furniture or mattresses?

Yes, most furniture and mattresses are fine in a standard roll-off. Some cities charge a mattress disposal surcharge at the landfill, so ask us when you book your construction site services rental.

What about wet paint versus dried paint?

Dried, hardened paint in an open can is often acceptable since it's no longer classified as liquid hazardous waste. Wet paint is not. When in doubt, let it dry with the lid off first.

Do I need a permit just to rent a dumpster?

Not always, it depends on where the container sits. Driveway placement usually doesn't need one; street placement usually does. Confirm with the city before delivery and see our porta potty permit requirements page for the same logic applied to portable restrooms.

Frequently asked questions