In addition to the Church of the Assumption, several other structures in Lesno Brdo have protected cultural monument status:
Ferjan Hill is classified as a potential archaeological site with a prehistoric settlement.
The same archaeological site encompasses the former 17th-century Lesno Brdo mansion (dvorec Lesno brdo), which used to stand next to the church.
A new house was built over its foundations after the Second World War.

Baumkircher Tower (Baumkircherjev turn, German: Baumkircherthurn) was a 14th-century castle.
It was destroyed by order of Frederick III when he had the owner, Andreas Baumkircher, executed as a conspirator in 1471.
The defensive moat of the castle is still visible.

A concrete stele serves as a monument to the Kucler family.
It contains part of the door casing of the Kucler farmhouse, burned in 1942.
The parents and five of their sons were killed during the Second World War.
A metal plaque was added to the monument in 1982.
It stands in an orchard next to the house at Lesno Brdo no.
61.
Antonija Celar Kucler (1896–1942) was proclaimed a People's Hero of Yugoslavia on 21 July 1953 for her role in running a Partisan checkpoint and storehouse at her home.
In addition to the Church of the Assumption, several other structures in Lesno Brdo have protected cultural monument status:
Ferjan Hill is classified as a potential archaeological site with a prehistoric settlement. The same archaeological site encompasses the former 17th-century Lesno Brdo mansion (dvorec Lesno brdo), which used to stand next to the church. A new house was built over its foundations after the Second World War.
Baumkircher Tower (Baumkircherjev turn, German: Baumkircherthurn) was a 14th-century castle. It was destroyed by order of Frederick III when he had the owner, Andreas Baumkircher, executed as a conspirator in 1471. The defensive moat of the castle is still visible.
A concrete stele serves as a monument to the Kucler family. It contains part of the door casing of the Kucler farmhouse, burned in 1942. The parents and five of their sons were killed during the Second World War. A metal plaque was added to the monument in 1982. It stands in an orchard next to the house at Lesno Brdo no. 61. Antonija Celar Kucler (1896–1942) was proclaimed a People's Hero of Yugoslavia on 21 July 1953 for her role in running a Partisan checkpoint and storehouse at her home.
Lesno Brdo, Horjul