[1] Laconia's main post office is located on the northeast side of its downtown area, at the southeast corner of Church and Beacon streets.

Its main entrance is located on the corner diagonal, and features a colonnade of six Corinthian columns in front of matching pilasters.

The stairs leading to the main entry are flanked by wrought iron lamp posts with globular lights.

The interior lobby, although it has been modernized, features murals depicting the area's natural beauty, painted by Loran Percy in 1980 and 1982.

[2] The building was constructed in 1916-17, its design provided by the Office of the Supervising Architect of the United States Department of the Treasury, then headed by James A. Wetmore.