Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2023	Nov. 13, 2023
Document Information [Line Items]
Entity Central Index Key	0001080657
Entity Registrant Name	Presidio Property Trust, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2023
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	001-34049
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	33-0841255
Entity Address, Address Line One	4995 Murphy Canyon Road, Suite 300
Entity Address, City or Town	San Diego
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92123
City Area Code	760
Local Phone Number	471-8536
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		13,129,943
Series A Common Stock Purchase Warrants [Member]
Document Information [Line Items]
Title of 12(b) Security	Series A Common Stock Purchase Warrants
Trading Symbol	SQFTW
Security Exchange Name	NASDAQ
Series D Preferred Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	9.375% Series D Cumulative Redeemable Perpetual Preferred Stock
Trading Symbol	SQFTP
Security Exchange Name	NASDAQ
Common Class A [Member]
Document Information [Line Items]
Title of 12(b) Security	Series A Common Stock
Trading Symbol	SQFT
Security Exchange Name	NASDAQ