Crocker--McMillin Mansion--Immaculate Conception Seminary

Also known as: Darlington, Darlington Seminary, Rio Vista Mahweh
Ramapo Vallet Rd., jct. of Campgaw Rd., Mahwah Township, Ramsey, New Jersey


National Register information 

Note: The following information comes from the NRHP database and has not been verified.
Posted to the National Register of Historic Places on May 23, 1997
Reference number
Architectural styles
Late 19th and 20th Century Revival: Late Gothic Revival; Other architectural type; jacobian revival
Areas of significance
Architecture; Landscape Architecture
Level of significance
Evaluation criteria
A - Event; C - Design/Construction
Property type
Historic functions
Single dwelling; Educational related housing; Religious structure
Current functions
Single dwelling; Hotel; Meeting hall
Periods of significance
1900-1924; 1925-1949
Significant years
1903; 1937
Number of properties
Contributing buildings: 6
Contributing sites: 1
Non-contributing buildings: 2