PRINCE HARRY and Meghan's California dream exploded with a shocking property tax demand they never expected and extremely foul odors of bird poop and pot, say sources.

"It was apparently the last straw for the couple," a source tells The National ENQUIRER.

The royal renegades were sucker-punched by a staggering $136,000 bill on their lavish $14 million Montecito mansion double the amount they expected — and also caught a wicked whiff of a nearby bird sanctuary, spies dish.

"They thought they'd found their forever home in July 2020 when they moved in and reign as Hollywood royalty," tattles a source. "Meghan said their moving days were over.