
Union Mill Complex
Also known as Bischoff's Chocolate Factory
Many listed buildings are private homes. Please enjoy them from the street.
About Union Mill Complex
Union Mill Complex, at NY 50, Milton Ave., was added to the National Register of Historic Places on Jun 17, 1982. It was among the first 2 of Milton’s 5 listings. The Register lists it for its industry and architecture, at the local level. It describes its style as Second Empire, as it does for 164 other New York listings. The listing covers 4 acres.
What it isBallston Spa, NRHP-listed. From Wikidata (CC0). Read about it on Wikipedia ↗
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 32 MB · National Archives↗Finding Union Mill Complex
NY 50, Milton Ave., Milton















No other Register listing is within a short walk. The nearest are under Around it.
4 more Register listings within 2 miles
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Second Empire style, nearby
Other National Register listings within 25 miles described as Second Empire.
Memories of Union Mill Complex
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Union Mill Complex
Is Union Mill Complex on the National Register of Historic Places?
Yes. It was added on Jun 17, 1982 (Register number 82003404).
Is Union Mill Complex a National Historic Landmark?
No. It is on the National Register; New York has 273 National Historic Landmarks. The nearest is Saratoga Spa State Park District, 4.2 miles away.
Can you visit Union Mill Complex?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Where can I read the history of Union Mill Complex?
In its National Register nomination, the form that put it on the Register: a 32 MB PDF at the National Archives, linked on this page.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 75321639 · Wikidata. Map tiles © OpenStreetMap contributors.



