Christine Quinn‘s husband was arrested this week — and the cost he was booked for is extremely severe … TMZ has discovered.

Legislation enforcement sources tells us Christian Dumontet was taken into custody Tuesday afternoon close to his L.A.-area residence — the place he was seen sporting a bathrobe — and hauled away by cops, who put him in a cruiser and took him to jail.

We’re instructed a name for a home incident is what spurred officers to point out up. When it comes to what allegedly occurred — our sources inform us there was a verbal argument between Christian and Christine … and Christine instructed cops Christian threw a bag with glass in it at her.

We’re instructed the bag missed Christine and it really struck their younger baby, a 2-year-old, and at this level … our sources say the decision to 911 was then positioned. We’re instructed that an ambulance arrived, however the toddler did not should be transported … getting handled on the scene.

We’re instructed Dumontet was booked for assault with a lethal weapon, a felony. As of this writing, he seems to nonetheless be behind bars on $30,000 bail.

She and Christian have been married since 2019 — and he is additionally been featured on “Promoting Sundown” … though, his involvement has been minimal as he is principally behind the scenes. Their December wedding ceremony was well-documented on the present on the time.

When it comes to his background, Christian comes from the tech world … and fancies himself as an entrepreneur nowadays. He and CQ share one child collectively … a son additionally named Christian.

On its face … there was by no means any actual drama between them that was captured on digital camera.

We have reached out Christine’s camp for remark … up to now, no phrase again.