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MORTGAGE NOTES PAYABLE (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 141,084,875 | $ 151,140,916
Unamortized loan costs | (1,109,867) | (1,426,740)
Mortgage Notes Payable, net | 11,623,164 | 0
Garden Gateway Plaza |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 6,122,148 | 6,270,896
Interest rate | 5.00% |
Maturity | Feb. 05, 2020 |
Fixed interest rate on mortgage (in hundredth) | 5.00% |
World Plaza |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 5,005,210 | 3,350,539
Variable Interest Rate | 5.18% |
Maturity | Jul. 05, 2020 |
Weighted average interest rate | 5.29% |
World Plaza | ABR |  |
Debt Instrument [Line Items] |  |
Variable interest rate on mortgage (in hundredth) | 0.75% |
World Plaza | LIBOR |  |
Debt Instrument [Line Items] |  |
Variable interest rate on mortgage (in hundredth) | 2.75% |
West Fargo Industrial |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 4,236,111 | 4,292,809
Interest rate | 4.79% |
Maturity | Sep. 06, 2020 |
Fixed interest rate on mortgage (in hundredth) | 4.79% |
Morena Office Center |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 0 | 1,567,358
Interest rate | 4.30% |
Maturity | Jun. 01, 2021 |
Fixed interest rate on mortgage (in hundredth) | 4.30% |
Waterman Plaza |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 3,293,690 | 3,369,960
Interest rate | 5.78% |
Maturity | Apr. 29, 2021 |
Fixed interest rate on mortgage (in hundredth) | 5.78% |
300 N.P. |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 2,321,165 | 2,348,443
Interest rate | 4.95% |
Maturity | Jun. 11, 2022 |
Fixed interest rate on mortgage (in hundredth) | 4.95% |
Highland Court |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 6,460,871 | 6,568,320
Interest rate | 3.82% |
Maturity | Sep. 01, 2022 |
Fixed interest rate on mortgage (in hundredth) | 3.82% |
Dakota Center |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 10,163,642 | 10,314,520
Interest rate | 4.74% |
Maturity | Jul. 06, 2024 |
Fixed interest rate on mortgage (in hundredth) | 4.74% |
Union Terrace |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 6,269,514 | 6,354,153
Interest rate | 4.50% |
Maturity | Aug. 05, 2024 |
Fixed interest rate on mortgage (in hundredth) | 4.50% |
The Presidio |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 0 | 5,992,905
Interest rate | 4.54% |
Maturity | Dec. 01, 2021 |
Fixed interest rate on mortgage (in hundredth) | 4.54% |
Centennial Tech Center |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 9,608,758 | 9,745,811
Interest rate | 4.43% |
Maturity | Dec. 05, 2024 |
Fixed interest rate on mortgage (in hundredth) | 4.43% |
Research Parkway |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 1,826,202 | 1,864,139
Interest rate | 3.94% |
Maturity | Jan. 05, 2025 |
Fixed interest rate on mortgage (in hundredth) | 3.94% |
Arapahoe Service Center |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 8,123,537 | 8,233,567
Interest rate | 4.34% |
Maturity | Jan. 05, 2025 |
Fixed interest rate on mortgage (in hundredth) | 4.34% |
Union Town Center |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 8,440,000 | 8,440,000
Interest rate | 4.28% |
Maturity | Jan. 05, 2025 |
Fixed interest rate on mortgage (in hundredth) | 4.28% |
Executive Office Park |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 4,867,125 | 4,947,808
Interest rate | 4.83% |
Maturity | Jun. 01, 2027 |
Fixed interest rate on mortgage (in hundredth) | 4.83% |
Genesis Plaza |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 6,403,234 | 6,476,032
Interest rate | 4.71% |
Maturity | Sep. 06, 2025 |
Fixed interest rate on mortgage (in hundredth) | 4.71% |
One Park Centre |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 6,512,787 | 6,585,922
Interest rate | 4.77% |
Maturity | Sep. 05, 2025 |
Fixed interest rate on mortgage (in hundredth) | 4.77% |
Shea Center II |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 17,727,500 | 17,727,500
Interest rate | 4.92% |
Maturity | Jan. 05, 2026 |
Fixed interest rate on mortgage (in hundredth) | 4.92% |
Grand Pacific Center |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 3,879,710 | 3,961,304
Interest rate | 4.02% |
Maturity | Aug. 01, 2037 |
Fixed interest rate on mortgage (in hundredth) | 4.02% |
Presidio Property Trust, Inc. properties |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 111,261,204 | 118,411,986
Model Home properties |  |
Debt Instrument [Line Items] |  |
Mortgage notes payable | $ 29,823,671 | $ 32,728,930
Model Home properties | Minimum |  |
Debt Instrument [Line Items] |  |
Interest rate | 3.72% |
Fixed interest rate on mortgage (in hundredth) | 3.72% |
Model Home properties | Maximum |  |
Debt Instrument [Line Items] |  |
Interest rate | 5.75% |
Fixed interest rate on mortgage (in hundredth) | 5.75% |

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