PAINT HAULING AND TRANSPORTING s.sdcpm.com/paintremove


25217.2.1. 
(a) A location...may also accept oil-based paint if ALL of the following additional conditions are met:
(2) The collection location receives oil-based paint ONLY from either of the following:
(A) A PERSON WHO GENERATES oil-based paint incidental to owning or maintaining a place of residence.
(B) A conditionally exempt small quantity GENERATOR.



It is illegal or any non-hazardous waste hauler) to transport anything considered hazardous or toxic. Only the generator (homeowner) - with some restrictions - or a licensed hazmat hauler can transport hazardous materials. One solution for liquid paint would be to purchase an additive that quickly dries out the paint and then, once dry, it can be thrown out or hauled away by anyone. Just not liquid paint.   https://www.homedepot.com/p/Homax-3-5-oz-Waste-Away-Paint-Hardener-for-Paint-Disposal-2134/100149311