As part of the Metropolitan Washington Council of Governments, Fairfax County Fire and Rescue is labeled number 4 in the 800 MHz trunked radio system.

During an emergency that would require a response from multiple agencies, dispatchers are quickly able to identify what county a particular piece of apparatus came from.

FCFRD consists of 42 fire stations spread out across the county's 407 square miles (1,050 km2), serving a population of 1.15 million residents.

[5] The team is composed of emergency managers and planners, physicians and paramedics and includes specialists in the fields of structural engineering, heavy rigging, collapse rescue, logistics, hazardous materials, communications, canine operations, and technical search.

● ALS Cars introduced January 2024 (3 units) placed among the County ● Accounts for the ALS to BLS conversion of certain career transport units at some fire stations (Annandale (8), Bailey's Crossroads (10), Great Falls (12), Chantilly (15), Clifton (16), Gunston (20), Reston (25), West Springfield (27), Fox Mill (31), Fairfax Center (40), Crosspointe (41), and Scott's Run (44)) in February 2022.