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Cover
Oct. 29, 2021
Affiliate, Collateralized Security [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 29, 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
Entity Emerging Growth Company false
Entity Information, Former Legal or Registered Name Not Applicable
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
Security Exchange Name NASDAQ
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
Security Exchange Name NASDAQ