Document And Entity Information (USD $)	6 Months Ended
	Apr. 30, 2012	Apr. 30, 2011
Entity Information [Line Items]
Entity Registrant Name	URSTADT BIDDLE PROPERTIES INC
Entity Central Index Key	0001029800
Current Fiscal Year End Date	--10-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Public Float		$ 51,841,026
Entity Common Stock, Shares Outstanding	8,851,523
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Apr. 30, 2012
Class A Common Stock [Member]
Entity Information [Line Items]
Entity Public Float		$ 392,583,607
Entity Common Stock, Shares Outstanding	20,957,288