Archiwum Państwowe w Płocku - Oddział w Łęczycy

The archive in Łęczyca came into existence in 1950, according to the Decree of the Minister of Education from July 21 1950 as a branch of Łódź State Archive. In 1951, the archive was renamed the County State Archive in Łęczyca. In 1976, according to the reform of state administration, the archive became a branch of the Płock State Archive. In July 1994, according to the Decree of the Minister of Education, the branch of the State Archive of the Capital City of Warsaw in Płock became an independent institution. In September 1994, the archive in Łęczyca was renamed the branch of Płock State Archive.  

The archive in Łęczyca possesses 255 collections and archival founds, which makes 30744 units and 586,68 running meters (as for December 31, 2005). For the most part, the holdings are containing the records of offices, firms, schools and social organizations from 18th century to the present time. The oldest document originates from 1736 (handicraft apprentice's certificate). The significant part of the holdings consists of town records (Łęczyca, Ozorków, Parzęczew, Piątek), records of municipalities, records of revenue offices in Łęczyca (1807-1863) and Parzęczew (1837-1838). The important part of holdings are judicial documents (e.g. Mortgage in Łęczyca 1817-1937), notarial files (33 notarial offices in Łęczyca, Ozorków and Uniejów 1807-1951), political, cultural and professional organizations (e.g Industrial Society in Leśmierz 1881-1947). 

The access is regulated by Instruction No. 4 of the Head Office of State Archives in Poland, dated February 1, 2013.