It serves unincorporated areas along with the cities of Beaverton, Tigard, Tualatin, West Linn, Wilsonville, and Sherwood, among others.

[3] In 1946, the Tualatin department became the Tualatin Rural Fire Protection District and opened a new station on Boones Ferry Road,[3] and in 1948 the Stafford-Wilsonville Fire Department merged into the new rural district.

[7] The name Tualatin Valley Fire & Rescue was adopted by the new entity in January 1989, and the district was officially created in February 1989.

[8][9] WCFD1 covered 110 square miles (280 km2) with about 122,040 people in eastern and northern Washington County including Beaverton, Metzger, Garden Home, Aloha, Reedville, Bonnie Slope, Oak Hills, West Slope, Raleigh Hills, Rockcreek, and part of Tigard.

[8] Tualatin Rural covered 115 square miles (300 km2) with about 54,000 people in southern Washington County and western Clackamas County including Tualatin, Wilsonville, King City, Sherwood, Durham, Rivergrove, as the rest of Tigard.

Apparatus operated by the district includes 37 engines, 6 trucks, 11 water tenders, plus specialty equipment such as 5 HAZMAT trucks, 3 rescue boats, 13 EMS units, 4 technical rescue vehicles, and 4 elevated waterway units.

[13][15] This includes two in Wilsonville, two in West Linn, one each in Tualatin and Sherwood, two in Tigard, one in King City, five in Beaverton, one in the Stafford area, one on Cooper Mountain, one in Aloha-Reedville, one each in the Rock Creek and Bethany areas, two in the West Hills, one in North Plains, and two in Newberg.

[14] In January 2019, TVF&R started construction of a new station, located in the Rivergrove area just north of Meridian Park Hospital.

[13] It also covers unincorporated areas such as Aloha, Cedar Mill, Bethany, Rockcreek, including most of eastern Washington County.

[13] As of 2018,[update] the district had 416 paid fire fighters and paramedics, 67 volunteers, 16 prevention and 7 training staff, and 108 administration and support personnel.