The Town of Northlake is part of the Denton County Emergency Services District (ESD) Number 1, a geographical area including:
Surrounding areas of Denton County
The ESD is a taxing entity funded by property taxes for the purpose of providing emergency services within the district. The ESD is governed by a five-member board appointed by the County Commissioners.
Fire, rescue, and emergency medical services within the district are provided by the Argyle Volunteer Fire District. The ESD also contracts with the Roanoke Fire Department to provide emergency services for the southernmost portion of the Town of Northlake.