v3.25.2
Consolidated and unconsolidated real estate joint ventures (Details)
Jun. 30, 2025
1655 and 1725 Third Street  
Schedule of Equity Method Investments  
Equity Method Investment, Ownership Percentage 10.00%
1450 Research Boulevard  
Schedule of Equity Method Investments  
Equity Method Investment, Ownership Percentage 73.20%
101 West Dickman Street  
Schedule of Equity Method Investments  
Equity Method Investment, Ownership Percentage 58.40%
50 and 60 Binney Street | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 34.00%
75/125 Binney Street | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 40.00%
100 and 225 Binney Street and 300 Third Street | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 30.00%
99 Coolidge Avenue | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 76.90%
15 Necco Street | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 56.70%
285, 299, 307, and 345 Dorchester Avenue | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 60.00%
Alexandria Center for Science and Technology - Mission Bay | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 25.00%
601, 611, 651, 681, 685, and 701 Gateway Boulevard | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 50.00%
751 Gateway Boulevard | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 51.00%
211 and 213 East Grand Avenue | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 30.00%
500 Forbes Boulevard | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 10.00%
Alexandria Center® for Life Science – Millbrae | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 48.50%
3215 Merryfield Row | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 30.00%
Campus Point by Alexandria | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 55.00%
5200 Illumina Way | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 51.00%
9625 Towne Centre Drive | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 30.00%
SD Tech by Alexandria | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 50.00%
Pacific Technology Park | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 50.00%
Summers Ridge Science Park | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 30.00%
1201 and 1208 Eastlake Avenue East | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 30.00%
199 East Blaine Street | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 30.00%
400 Dexter Avenue North | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 30.00%
800 Mercer Street | Alexandria  
Schedule of Equity Method Investments  
Noncontrolling Interest, Ownership Percentage by Parent 60.00%