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Document And Entity Information
Jun. 17, 2021
Document Information [Line Items]  
Entity, Registrant Name Presidio Property Trust, Inc.
Document, Type 8-K
Document, Period End Date Jun. 17, 2021
Entity, Incorporation, State or Country Code MD
Entity, File Number 001-34049
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
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
Amendment Flag false
Entity, Central Index Key 0001080657
SeriesACommonStock001ParValuePerShare Custom [Member]  
Document Information [Line Items]  
Title of 12(b) Security Series A Common Stock, $0.01 par value per share
Sqft Custom [Member]  
Document Information [Line Items]  
Trading Symbol SQFT
SeriesDCumulativeRedeemablePerpetualPreferredStock001ParValuePerShare9375 Custom [Member]  
Document Information [Line Items]  
Title of 12(b) Security 9.375% Series D Cumulative Redeemable Perpetual Preferred Stock, $0.01 par value per share
Sqftp Custom [Member]  
Document Information [Line Items]  
Trading Symbol SQFTP
TheNasdaqStockMarketLlc Custom [Member]  
Document Information [Line Items]  
Security Exchange Name NASDAQ