Plaster Mill

{{Use mdy dates|date=March 2025}}

{{Infobox NRHP

| name = Plaster Mill

| nrhp_type =

| image = Plaster Mill, Stanhope, NJ - looking northwest.jpg

| caption = Ruins of the Plaster Mill in 2020

| location = Off Main Street and Kelly Place, Stanhope, New Jersey

| coordinates = {{coord|40|54|7|N|74|42|31|W|display=inline,title}}

| locmapin = USA New Jersey Sussex County#New Jersey#USA

| built =

| architecture =

| added = August 3, 1977

| area =

| refnum = 77000912{{NRISref|version=2013a|refnum=77000912}}

| designated_other1_name = New Jersey Register of Historic Places

| designated_other1_abbr = NJRHP

| designated_other1_link = New Jersey Register of Historic Places

| designated_other1_date = December 20, 1976

| designated_other1_number = 2631{{cite web | title=New Jersey and National Registers of Historic Places – Sussex County | url=https://www.nj.gov/dep/hpo/1identify/nrsr_lists/SUSSEX.pdf#page=7 | publisher=New Jersey Department of Environmental Protection - Historic Preservation Office | page=7 | date=June 22, 2023 }}

| designated_other1_num_position = bottom

| designated_other1_color = #ffc94b

}}

The Plaster Mill is located near the intersection of Main Street and Kelly Place in the borough of Stanhope in Sussex County, New Jersey, United States. The mill was added to the National Register of Historic Places on August 3, 1977 as part of an effort to restore the building by the Musconetcong Foundrymen Historical Society and note its significance in industry.{{cite web|url={{NRHP url|id=77000912}}|title=National Register of Historic Places Inventory/Nomination: Plaster Mill |publisher=National Park Service|first1=Brian H. |last1=Morrell |date=October 4, 1976 }} With {{NRHP url|id=77000912|photos=y|title=accompanying 2 photos}}