An unused bottle of cleaner is a question about where it goes, not permission to pour it out. King County recommends using cleaning products completely, and for anything that cannot be used it points to a household hazardous waste facility. This guide turns that into a planning sheet: what to write down for each bottle, which of Seattle’s two facilities is open on which days, and when to stop and phone the county instead of carrying anything anywhere.
One thing up front: Hometress does not take online bookings in Seattle yet. Seattle has a waitlist, so nothing here is a Hometress Seattle price or a promise of service. We are a cleaning company, not a waste agency. Every rule below belongs to the agency named, from pages read on October 31, 2026. The planning sheet is ours: a set of prompts, not a county form, and not a way to tell whether a product is hazardous.
What King County says about cleaning products
The county’s cleaning products page says: “Cleaning products include items such as ammonia, bleach, drain opener, furniture polish, oven cleaner and toilet bowl cleaner.” It adds that product labels may include the words Danger, Warning, Poison, Caustic or Flammable. Our reading, labelled as ours: those are examples of what a label may say, and a label without one of them is not proof that a product can go anywhere other than the county’s route. The page does not say it is.
The page’s advice comes in two sentences: “King County recommends that cleaning products be used completely before disposing of empty containers.” and “If materials cannot be used, they should be disposed at a household hazardous waste facility.” Using a product completely means as its label directs. Nothing here suggests using up a bottle you cannot identify or one you would not otherwise use. The sheet below sends those to the county.
The planning sheet
Write six things for each bottle. Leave the bottles where they are while you do it: nothing on the sheet needs a lid opened, a label peeled or one product poured into another.
| Write down | What goes in it | Where the answer comes from |
|---|---|---|
| 1. Product and label | The name as printed, and any signal word on the label | The bottle itself. Read it; do not open it. |
| 2. Still using it? | Yes only if you will use it as the label directs. Otherwise go on to the next rows. | Your own call. King County recommends using products completely. |
| 3. Original container, label intact? | Intact or not. A container that is breaking down is a stop, not a row. | EPA: keep products in their original containers and never remove labels. |
| 4. County lookup, and the date | The date you checked the county’s cleaning products page and its list of accepted household hazardous products | King County, both pages linked below |
| 5. Site and day | North or South, which day, and the holiday check | Seattle Public Utilities, table below |
| 6. Question for the county | Anything the pages do not answer: a damaged container, a product that is not on the list, a quantity | The county’s hazardous waste phone line |
EPA’s household hazardous waste page says to “keep them in their original containers and never remove labels.” It also advises reading product labels for disposal directions, to reduce the risk of products exploding, igniting, leaking or mixing with other chemicals on the way to a disposal facility. And it says: “When leftovers remain, never mix HHW with other products.” This sheet does not ask you to combine, test or sniff anything.
For row 4, the county keeps a list of accepted hazardous household products. Check your actual product and quantity there instead of relying on a general idea of what is taken. We give no quantity limit; that is the county’s to state.
Seattle’s two drop-off sites
Seattle Public Utilities’ where to dispose page says: “Seattle has two household hazardous waste disposal facilities that are free for all King County residents.” It adds: “No appointment is needed.” The county’s household facilities page agrees: “You don’t need to make an appointment, and there’s no fee for this service.”
- North Household Hazardous Waste Facility, 12550 Stone Avenue North, Seattle 98133: Sunday, Monday and Tuesday, 9 a.m. to 5 p.m.
- South Household Hazardous Waste Facility, 8100 2nd Ave S, Seattle 98108: Thursday, Friday and Saturday, 9 a.m. to 5 p.m.
Both pages list closures on July 4th, Thanksgiving, Christmas and New Year’s Day. Neither site lists Wednesday. Neither page carries a date, so read the current hours on the official page the day you go.
Seattle Public Utilities also says: “These are separate facilities from the Seattle Transfer Stations, which are available for Seattle residents and do not accept household hazardous waste.” The county’s page says the South site is “Located next to the transfer station”, which makes the difference easy to blur: they are separate facilities, and only the household hazardous waste one belongs on this plan. The same Seattle Public Utilities page lists county drop-off sites outside Seattle, in Algona and Bellevue, and a traveling Wastemobile, and says: “All King County residents can use these locations.” Their hours differ, so use the county page for them.
Two planning examples
Both are invented to show the sheet in use. Neither is a real household, and neither involves testing a chemical.
A labelled can of oven cleaner
A household clearing a cupboard before a move finds half a can of oven cleaner. The label is readable, the can is the original and nothing is leaking. Row 1: the name from the label. Row 2: no, the oven is already clean. Row 3: intact. Row 4: the county’s cleaning products page names oven cleaner, and the household checks the accepted products list and writes the date. Row 5: the South site on a Friday, with a glance at the holiday list. Row 6: nothing for the county. They read the label’s disposal directions before the trip, as EPA advises, and the can stays in its original container.
A corroding bottle with a peeled label
At the back of the same cupboard is a bottle whose container looks to be breaking down and whose label is half gone. The sheet stops at row 3, because the container is not intact. EPA’s page covers this case: “Corroding containers, however, require special handling. Call your local hazardous materials official or fire department for instructions.” So the household does not open it and does not move its contents into another container, and the next step is a phone call, not a trip. Our reading, labelled as ours: that is the point of the sheet. Some rows end in a phone call, and the planning stops there.
When the plan is not yours to make
- You cannot get to a site. The county runs a separate Home Collection program for a King County resident who is 65 or older, or has a disability, and cannot reach a collection site. It is scheduled by phone at 206-296-4692 and has its own rules. Its page says: “Do not put hazardous waste on the curb.”
- The cupboard belongs to a business. The household sheet is not yours. The county says businesses disposing of cleaning products “should consult the Local Hazardous Waste Management Program (LHWMP) for guidelines because disinfectants and cleaning solutions may designate as hazardous waste depending on their ingredients and concentrations.”
- You are hoping a cleaner will take it. A visit is not a way to get these bottles to a drop-off. Hometress’s Terms of Service list “Handling biohazards, mold remediation, dangerous materials, blood, or bodily fluids” among the tasks our cleaners do not perform, and we do not offer a hauling service.
The county’s hazardous waste phone line, 206-296-4692, lists hours of Monday through Saturday, 9 am to 5 pm, except holidays. Use it for anything the pages leave open.
What this plan does not decide
The cleaning products page says to use products completely before disposing of empty containers, but it gives no rule for the container itself, and we do not make one up. Ask the county about your container’s material before it goes in any bin. We also cannot tell you that a facility will accept your product or amount, which is what the accepted list and the phone line are for.
If you are clearing a small apartment, our Seattle apartment cleaning checklist has a compact cleaning kit and a section on what not to buy. For choosing products in the first place, our guide to what Seattle locals expect from green cleaning covers that side.
Where Hometress fits
Hometress takes online bookings only in Philadelphia today. Nothing here promises a visit at a Seattle address. If you live in Seattle, you can join the Seattle waitlist. The Seattle page also says: “Call or message us now. We’ll tell you what we can do for your address in Seattle.”
Common questions
Can I pour old cleaning products down the drain?
King County’s page sends products you cannot use to a household hazardous waste facility and says nothing about drains. EPA’s page lists pouring household hazardous waste down the drain, on the ground or into storm sewers among improper disposal methods.
Can I take old cleaners to a Seattle transfer station?
Seattle Public Utilities says the transfer stations “do not accept household hazardous waste”. The two household hazardous waste facilities are the separate sites listed above.
What if I cannot tell what a product is?
We cannot tell either, and we have not seen your cupboard. The pages we read cover labelled products and corroding containers. For anything else, phone the county before you move it.