DILG Regional Office 1 is located at Aguila Road, Barangay Sevilla, City of San Fernando, La Union.  It is strategically situated at the heart of the regional center of national line agencies in the region.  It is situated 270 kilometers north of Metro Manila.

DILG Regional Office has its own building which was built on April 5, 1999 thru the concerted efforts of its former Regional Directors, namely:  Atty. Odon A. Teaño, Ligaya M. Barcinas and Carlos T. Derecho under the stewardship of then DILG Secretary Ronaldo V. Puno during the Estrada Administration. The 1,399 square meter land was acquired by the Department by virtue of deed of donation by the Provincial Government of La Union. 

The Regional Management Committee (RMC) headed by the Regional Director, Manuel V. Biason, CESO III manages the operations of the region with the assistance of the Assistant Regional Director, Corazon P. Guray, CESO IV; three (3) Division Chiefs; four (4) Provincial Directors and eight (8) City Directors.  Our DILG Provincial Offices are located in the following sites:  DILG La Union in San Fernando City; DILG Ilocos Sur in Vigan City; Ilocos Norte in Laoag City and DILG Pangasinan in Lingayen. DILG Pangasinan has a sub-office in Urdaneta City headed by the Assistant Provincial Director.  Further, our DILG City Offices are located at the government offices of the 8 cities of the region.

There are Two hundred sixty-nine (269) total workforce of the region, fifty-nine (59) of which are based in the regional office while two hundred ten (210) personnel are field-based.  Out of the 269 personnel, two hundred five (205) are technical while sixty-four (64) are non-technical employees.

In support to its operations, the DILG Regional Office is aided with the following facilities and equipment like service vehicles, a sizeable number of computer and printer equipment, fax, paper copier and reproduction machines, telephone with internet connections and paging system, overhead projector with screen, multi-media facility, and other office equipment.  In addition, training and conference rooms are also available at the regional office.