Firefighters responded to an alarm that went off at the Black Horse Tavern and Pub in Mendham just before 4 a.m.
Firefighters requested assistance from neighboring towns after encountering heavy smoke conditions.
The restaurant, which had been closed for renovations, was empty at the time.
The cause of the fire remains under investigation.
ALSO READ: Grandmother gets canceled COVID cruise refund after 4 years | 7 On Your Side
Grandmother gets cruise refund after 4 years
----------
* Get Eyewitness News Delivered
* More New Jersey news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube
Submit a tip or story idea to Eyewitness News
Have a breaking news tip or an idea for a story we should cover? Send it to Eyewitness News using the form below. If attaching a video or photo, terms of use apply.