⚠️ Pressure-treated wood: hazardous waste. Pressure-treated wood is infused with chemical preservatives — burning or chipping it releases toxic smoke and dust. Never put it in the regular trash — use a facility or take-back below.
Best ways to dispose of pressure-treated wood (best → last resort)
Drop-offStandard
Take pressure-treated wood to a construction-and-demolition (C&D) drop-off or a landfill/transfer station that accepts treated wood. Call ahead — some facilities require it be kept separate from clean wood.
Curbside trashSmall amounts, where allowed
A few short pieces can go in the black trash cart in many areas (cut to fit, no protruding nails). Larger amounts must go to a C&D facility.
How to prepare it
Cut long pieces down and remove or hammer down protruding nails/screws.
Keep it separate from clean/untreated wood and yard waste.
Don't
NEVER burn pressure-treated wood — the smoke and ash are toxic.
Never chip, mulch, or compost it, and never put it in the green organics/yard-waste cart.
Do not reuse it for garden beds, cutting boards, or anything touching food or animals.
Find a drop-off near you
Acceptance varies by city — always check your local program first.
What's the best way to dispose of pressure-treated wood?
Drop-off (standard): Take pressure-treated wood to a construction-and-demolition (C&D) drop-off or a landfill/transfer station that accepts treated wood. Call ahead — some facilities require it be kept separate from clean wood.
Can you put pressure-treated wood in the trash?
No — this is hazardous and should not go in the regular trash. NEVER burn pressure-treated wood — the smoke and ash are toxic.
Where can I recycle pressure-treated wood near me?
Search a drop-off with the Earth911 locator or "construction debris drop-off near me." Acceptance varies by city, so confirm with your local program.