California bans household batteries, fluorescent lamps and electronic devices from the trash — take them to an HHW program, retailer take-back or authorized recycler. source
PaintCare runs free paint drop-off sites across California (often paint and hardware stores) for architectural paint, primers, stains and sealers; call ahead. source
Bye Bye Mattress (Mattress Recycling Council) offers free mattress and box spring drop-off at participating California locations. source