In the 1866 Liechtenstein general election Quaderer was elected as a deputy member of the Landtag, but succeeded Josef Bargetze as a full member the same year. He was the landlord of an inn and from 1840 worked as a part-time brewer.[3]
He married Anna Maria Näscher (25 May 1824 – 22 February 1854) on 13 June 1842 and they had three children together. He then went on to marry Maria Anna Stadelmann (12 May 1829 – 9 September 1858) on 23 November 1857. Finally, he married 13.2.1860 Katharina Falk (13 October 1827 – 28 May 1891) on 13 February 1860 and they had another two children together.[3] His son from his first marriage, Rudolf Quaderer, also served in the Landtag.[4]