Delmar in Albany County, New York — The American Northeast (Mid-Atlantic)

Delmar Post Office

Photographed by Trudi Jacobson, July 8, 2026

1. Delmar Post Office Marker

Inscription. Delmar Post Office
has been placed on the
National Register
of Historic Places
by the United States
Department of the Interior
1939

Topics. This historical marker is listed in these topic lists: Architecture • Communications. A significant historical year for this entry is 1939.

Location. 42° 37.362′ N, 73° 49.915′ W. Marker is in Delmar, New York, in Albany County. It is at the intersection of Delaware Avenue (New York State Route 443) and Grove Street, on the left when traveling east on Delaware Avenue. Touch for map. Marker is at or near this postal address: 357 Delaware Avenue, Delmar NY 12054, United States of America. Touch for directions.

Regionally, this marker is in Upstate New York,

in the Capital District,

and in the Albany Metropolitan Area.

It is also in the American Northeast

and in the Mid-Atlantic.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once New Netherland

and also one of the original Thirteen Colonies.

Other nearby markers. At least 8 other markers are within 2 miles of this marker,

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measured as the crow flies: Delmar (approx. 0.2 miles away); Town of Bethlehem Veterans Memorial (approx. 0.3 miles away); Helderberg-Hudson Rail Trail (approx. 0.6 miles away); Connecting People With Communities (approx. 0.6 miles away); Leonard Farm Site (approx. 0.8 miles away); Albert Slingerland House (approx. 1.4 miles away); Andrew Conning (approx. 1½ miles away); The Slingerlands Train Station (approx. 1.6 miles away). Touch for a list and map of all markers in Delmar.

Also see . . . National Register of Historic Places Inventory--Nomination Form for Federal Properties.

The Delmar Post Office was listed in the National Register of Historic Places in 1988 as part of the thematic nomination U.S. Post Offices in New York State—1858–1943. The complete National Register nomination is available at the link provided. See Appendix 1.

(Submitted on July 14, 2026, by Trudi Jacobson of Slingerlands, New York.)

Photographed by Trudi Jacobson, July 8, 2026

2. Delmar Post Office Marker

The marker is to the right of the door.

Delmar Post Office image. Click for full size.

Photographed by Trudi Jacobson, July 8, 2026

3. Delmar Post Office

Credits. This page was last revised on July 15, 2026. It was originally submitted on July 8, 2026, by Trudi Jacobson of Slingerlands, New York. This page has been viewed 19 times since then. Photos: 1, 2, 3. submitted on July 8, 2026, by Trudi Jacobson of Slingerlands, New York. • Michael Herrick was the editor who published this page.

Editor’s want-list for this marker. A link to the National Register of Historic Places nomination form, citing the building's historical significance. • Can you help?