The City of Thousand Oaks operates a permanent, state-of-the-art Household Hazardous Waste (HHW) Facility, open by appointment for residents of Thousand Oaks & unincorporated Ventura County.

Hours of operation: Fridays & Saturdays 9:00AM to 1:00PM (except most major holiday weekends)

Location: 2010 Conejo Center Drive, Newbury Park, CA 91320

Appointments are required for HHW drop-offs. Please use the tool below to make or cancel an appointment. To change an appointment, please cancel your existing appointment and book a new appointment.

2021 Holiday Closure Dates:

• New Year's Weekend: Jan 1-2, 2021
• President's Day Weekend: February 12-13, 2021
• Memorial Day Weekend: May 28-29, 2021
• Independence Day Weekend: July 2-3, 2021
• Labor Day Weekend: September 3-4, 2021
• Veterans Day Weekend: November 12-13, 2021
• Thanksgiving Weekend: November 26-27, 2021
• Christmas Weekend: December 24-25, 2021
• New Year's Weekend: December 31, 2021-January 1, 2022

Use the helpful "What Goes Where" tab in the tool below to check if a material is accepted at the City's HHW Facility. Scroll down on this page to view a brief list of materials accepted, if you prefer.

Use the "Need Help?" tab if you believe you are eligible to participate in a hazardous waste drop-off event but encounter issues searching for your address. City staff will address the issue in a timely manner. For all other questions, please dial the City of Thousand Oaks Sustainability Division at 805-449-SAVE (7283).

Leftover household products that contain corrosive, toxic, ignitable, or reactive ingredients are considered to be “Household Hazardous Materials” or “HHW.” Products such as cleaners, oils, batteries, fluorescent lights and pesticides require special care when you dispose of them. See also our dedicated pages for motor oil and filter recycling as well as paint recycling.  

Click this link for Medication and Sharps disposal.

Thousand Oaks Businesses: Click here for information on our Small Business Hazardous Waste Disposal Program.

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How to Participate

Make a Free Appointment (required)

Scheduling an appointment to drop off your material at the new Hazardous Waste Facility is easy - just follow these 3 steps:

• Step 1 - Review the list of accepted materials (below) to see if you have hazardous waste that qualifies for the program.

• Step 2 - Verify that you are a Thousand Oaks or unincorporated Ventura County resident.  (You can use the County's "County View" website to check your jurisdiction.)
  If you do not live in one of these areas, you will not be able to participate. Please check your city or county website for hazardous waste collection programs in your area.

• Step 3 - Schedule an appointment at the top of this page (Required).  Drop off appointments are available on Fridays and Saturdays between 9:00AM and 1:00PM, except for most major holiday weekends.

  A confirmation e-mail will be sent following successful registration.

On-line registration closes at 4 p.m. the day prior to the disposal date. (In other words, 4 p.m. on Thursday for Friday drop off and 4 p.m. Friday for Saturday drop off. Appointment times are limited and available on a first-come, first-served basis.

The Household Hazardous Waste Facility will not cancel events in the event of rain or inclement weather.

For questions about the Hazardous Waste Facility, e-mail gogreen@toaks.org, or call (805) 449-SAVE(7283).

On the day of your appointment:

• Carefully transport your hazardous waste to the collection site. 
• Arrive promptly at your scheduled time.
• Bring a valid ID or utility bill to verify residency.
• When you arrive at the Household Hazardous waste facility, you MUST REMAIN IN YOUR VEHICLE, while a technician unloads the hazardous materials from your vehicle.

Transportation Guidelines:

• A state law prohibits transportation of more than 15 gallons or 125 pounds of hazardous waste at any one time in your vehicle.
• Never mix chemicals!
• Place loose materials in sturdy, non-leaking containers with secure lids (original containers are preferred).
• Please note, containers will not be returned (except for used oil collection containers).
• Please pack your waste properly to prevent tipping or spilling of the waste during transportation. 

Material Reuse Program

EFFECTIVE JUNE 18, 2021 - THE MATERIAL REUSE PROGRAM IS NOW OPEN!

The Material Reuse Program operates alongside the City's weekly Household Hazardous Waste Collection events and is located at the HHW Facility at 2010 Conejo Center Drive in Newbury Park. Appointments are not needed to shop at the City's Material ReUse Store.

Household Hazardous Waste Material Guidelines

Materials Accepted at the Household Hazardous Waste Facility during regular operating hours:

*State law restricts the transportation of more than 15 gallons or 125 pounds per vehicle.

Unaccepted Materials:

• Biological waste
• Business waste
• Radioactive materials
• Medications
• Controlled substances
• Explosives/ammunition
• Tires
• Appliances (anything with freon)

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Locations for Battery Disposal

Household batteries of all sizes (AAA, AA, C, D, button cell, 9 Volt, etc.), both rechargeable and single use are considered hazardous waste when discarded. All household batteries can be recycled at the City's Household Hazardous Waste Facility (see above) or at the following drop-off locations.

Warning: Lithium button batteries are very dangerous to children and pets. Improper handling or storage may result in death or injury. 
Batteries are also fire hazards. Click here [PDF] to read about 9 Volt battery safety.

Disposal Tips for community battery disposal bins listed below: Deposit used alkaline and rechargeable household batteries only. Please tape contacts of lithium batteries. No automotive or motorcycle batteries. No plastic bags.

Please note: Automotive and industrial batteries are not accepted at these drop locations. Automotive and industrial batteries can be recycled at a City of Thousand Oaks Hazardous Waste Collection Event. Return to the top of the page for hazardous waste collection dates and program guidelines.

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Fluorescent Light Disposal and Broken Bulb Handling

You may bring any size or type of fluorescent and LED bulbs to the City's Hazardous Waste Facility.

Broken fluorescent bulbs require immediate attention to minimize exposure to mercury vapor contained in the glass tubing.

Click here to view the EPA's guidelines on what to do if a fluorescent light breaks in your home.

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Additional Resources

• EPA Chemical Data Access Tool - Use this online tool to find chemical health and safety information submitted to the EPA.
• National Library of Medicine (NLM) Household Products Database provides easy to understand information on the potential health effects of ingredients contained in more than 4,000 common household products.
• The Big Green Box offers companies and consumers an easy, low cost way to recycle batteries and portable electronic devices.
• Check Call2Recycle to locate the nearest drop-off and collection sites for used and rechargeable batteries.
• "Clean It" Guidebook - Click here to download this useful guidebook [PDF] for tips on safer cleaning products and house cleaning methods that really work!
• Helpful information on our own website about various hazardous materials, and tips on how to purchase, use, store alternative cleaning products in your home

For additional information and curbside recycling information, visit the  Residential Curbside Collection page.