SACRAMENTO, Calif. — State lawmakers approved a bill Monday that would ban online pet dealer websites and shadowy middlemen who pose as local breeders from selling dogs to California consumers — the latest move to curtail the pipeline from out-of-state puppy mills.

Assembly member Marc Berman, D-Menlo Park, said Assembly Bill 519 will help ensure buyers aren’t misled about where their puppies come from after a Times investigation last year detailed how designer dogs are trucked into California from out-of-state commercial breeders and resold by people claiming to be small, local operators.

“AB 519 would close this loophole that allows this dishonest practice,” Berman said.

California became the first state in the nation with a 2019 law to bar pet stores from selling commercially bred do

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