[2] After becoming dilapidated, it was demolished and replaced by a new tolbooth, which was built by the local masons, Robert and James Forbes, and completed in around 1770.

[2] A site for the new building was identified in King Erik Street: it was designed by David Rhind in the Scottish baronial style, built by D. Outerson in ashlar stone, and completed in 1875.

[6] A United States Congressional delegation visited County Buildings to inquire into the impact of North Sea oil on local development in July 1974.

[7] The complex reverted to being used largely for judicial purposes, accommodating the offices of the procurator fiscal, as well as Lerwick Sheriff Court and the local police station, after Zetland County Council was abolished in 1975.

[8] The building featured extensively in the television series Shetland, which was first broadcast in March 2013, as the place of work of the main character, Detective Inspector Jimmy Pérez.