An increasing number of visitors to Oklahoma City are reserving rooms in private residences, according to the online service that connects those guests with homeowners.

Seen one way, travelers enjoy cozy accommodations while "hosts" collect a few extra bucks.

From the city's perspective, though, travelers are evading taxes while ordinances intended to protect neighborhood peace and tranquility are ignored.

Airbnb.com said in a news release this week that Oklahoma City is the state's busiest market for its online overnight-stay bookings.