Plainfield, New Jersey · National Register of Historic Places, 1982
Seven districts, one preservation story
The Hillside Avenue Historic District runs 27 acres between Watchung and Martine, holding some of the finest turn-of-the-century architecture in Union County. We are the neighbors who look after it.
38
Homes in the district
34
Contributing structures
27
Acres
1982
National Register listing
One City, Many Districts
Plainfield’s historic districts
Plainfield — the Queen City — holds several designated historic districts. We work alongside all of them. Explore our neighbors:
Hillside Avenue
This site · HAHDA
Van Wyck Brooks
vwbhd.com
Crescent Area
crescenthistoric.com
Netherwood Heights
via Plainfield HPC
Putnam-Watchung
via Plainfield HPC
Broadway
via Plainfield HPC
Civic District
via Plainfield HPC
Save the Queen City
City-wide preservation
Find Us
The district on the map
The Hillside Avenue Historic District runs along Hillside Avenue between Watchung and Martine, with corner houses on Watchung, Prospect, and Highland — one of several historic districts across the Queen City.
A fully pinned map — every contributing house plus the neighboring Van Wyck Brooks, Crescent, and other districts — can be added as a shared Google My Map.
HAHDA
Hillside Avenue Historic District Association
A 501(c)(3) nonprofit · Plainfield, New Jersey
© 2026 Hillside Avenue Historic District Association · Plainfield, New Jersey
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