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Cover
Nov. 23, 2021
Affiliate, Collateralized Security [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 23, 2021
Entity File Number 001-34049
Entity Registrant Name Presidio Property Trust, Inc.
Entity Central Index Key 0001080657
Entity Tax Identification Number 33-0841255
Entity Incorporation, State or Country Code MD
Entity Address, Address Line One 4995 Murphy Canyon Road
Entity Address, Address Line Two 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
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Series A Common Stock, $0.01 par value per share  
Affiliate, Collateralized Security [Line Items]  
Title of 12(b) Security Series A Common Stock, $0.01 par value per share
Trading Symbol SQFT
9.375% Series D Cumulative Redeemable Perpetual Preferred Stock, $0.01 par value per share  
Affiliate, Collateralized Security [Line Items]  
Title of 12(b) Security 9.375% Series D Cumulative Redeemable Perpetual Preferred Stock, $0.01 par value per share
Trading Symbol SQFTP