King County facilities do not accept waste from jurisdictions outside our service area. All customers must show proof they live within King County service area Means of verifying residence include: government-issued ID vehicle registration utility bill or rental agreement. Residents of Seattle and Milton will not be allowed at King County facilities because they are outside the service area. Seattle residents may use the household hazardous waste drop-off services at the Factoria Recycling & Transfer Station in Bellevue.