Fire damaged a two-story commercial building Sunday on Awawa Road in Hanapepe, Kauai.

Damage to the structure and contents was estimated at $400,000, Kauai County said in a news release.

No one was in the building at the time and no injuries were reported..

The flames were confined to the first floor entrance lobby, but the heat and smoke damage was extensive, especially on the first floor, home to Hanapepe Naturals Health Food and Spa. The second floor business, Kulture Tattoo, also sustained smoke damage.

The fire broke out at about 7:46 a.m. The fire was under control at 8 a.m. and extinguished at 8:50 a.m.

The cause is under investigation, the county said.