A 501(c)(3) nonprofit · Plainfield, New JerseyDonate
Plainfield, New Jersey · National Register of Historic Places, 1982

Resources for residents & members

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
Members Only · Password Protected

The private side of the district

Behind a single shared password, members reach the working material of the Association: the shared calendar, meeting minutes and agendas, the neighbor directory, house research files, the photo archive at full resolution, and guidance for owners planning exterior work.

  • Shared calendar — meetings, tours, luminary night
  • Minutes, agendas, and treasurer’s reports
  • Neighbor directory and block captains
  • House files, deeds, and research notes
  • Full-resolution photo archive
On the live site this area sits behind a members password. In this preview it is shown open.
HAHDA
Hillside Avenue Historic District Association

A 501(c)(3) nonprofit · Plainfield, New Jersey

© 2026 Hillside Avenue Historic District Association · Plainfield, New Jersey
Developed and Maintained by AimoneAdvisory.com
♥ Donate
Plainfield, New Jersey · National Register of Historic Places, 1982

Hillside Avenue Historic District Association

Our new home is coming soon

One of Plainfield’s finest historic streets — thirty-eight houses on the National Register since 1982, cared for by the neighbors who live in them. Our new website is nearly ready.

Join us on Facebook
A 501(c)(3) nonprofit · EIN 81-1804395 · Plainfield, New Jersey