Early this morning 15-5 made the response for a townhouse fire in the neighborhood of Cobblestone Townhouses. 128B arrived onscene as 15-5 was enroute and advised fireboard of smoke showing. This added Station 18 as the RIT assignment. 15-5 arrived onscene 2nd due and started a primary search of the residence. All searches proved negative and the fire was quickly extinguished. 15-5 remained onscene for approximately 1 hour.