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EXHIBIT 12.1

ARDEN REALTY INC. COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES
(AMOUNTS IN THOUSANDS, EXCEPT RATIOS)

|                                                |  |                                  |         |      |  |      |         |      |  |      |         |  |  |   |         |  |  |   |         | 
|----------------------------------------------- |  | -------------------------------- | ------- | ---- |  | ---- | ------- | ---- |  | ---- | ------- |  |  | - | ------- |  |  | - | ------- | 
|                                                |  | ARDEN REALTY INC.               
|                                                |  |                                 
|                                                |  | For the Years Ended December 31,
|                                                |  |                                 
|                                                |  | 2002                             |         | 2001 |  | 2000 |         | 1999 |  | 1998
|                                                |  |                                  |         |      |  |      |         |      |  |     
|Earnings Available to Cover Fixed Charges:      |  |                                  |         |      |  |      |         |      |  |      |         |  |  |   |         |  |  |   |         | 
|Net income                                      |  | $                                | 70,175  |      |  | $    | 97,759  |      |  | $    | 96,710  |  |  | $ | 96,626  |  |  | $ | 90,675  | 
|Add: Interest Expense                           |  |                                  | 88,516  |      |  |      | 84,195  |      |  |      | 78,406  |  |  |   | 60,239  |  |  |   | 43,403  | 
|                                                |  |                                  |         |      |  |      |         |      |  |      |         |  |  |   |         |  |  |   |         | 
|Total Earnings Available to Cover Fixed Charges |  | $                                | 158,691 |      |  | $    | 181,954 |      |  | $    | 175,116 |  |  | $ | 156,865 |  |  | $ | 134,078 | 
|                                                |  |                                  |         |      |  |      |         |      |  |      |         |  |  |   |         |  |  |   |         | 
|Fixed Charges:                                  |  |                                  |         |      |  |      |         |      |  |      |         |  |  |   |         |  |  |   |         | 
|Interest Expense                                |  | $                                | 88,516  |      |  | $    | 84,195  |      |  | $    | 78,406  |  |  | $ | 60,239  |  |  | $ | 43,403  | 
|Interest Capitalized                            |  |                                  | 5,646   |      |  |      | 9,095   |      |  |      | 12,646  |  |  |   | 9,587   |  |  |   | 8,920   | 
|Preferred Distributions                         |  |                                  | 4,312   |      |  |      | 4,312   |      |  |      | 4,312   |  |  |   | 1,354   |  |  |   |        | 
|                                                |  |                                  |         |      |  |      |         |      |  |      |         |  |  |   |         |  |  |   |         | 
|Total Fixed Charges                             |  | $                                | 98,474  |      |  | $    | 97,602  |      |  | $    | 95,364  |  |  | $ | 71,180  |  |  | $ | 52,323  | 
|                                                |  |                                  |         |      |  |      |         |      |  |      |         |  |  |   |         |  |  |   |         | 
|Ratio of Earnings to Fixed Charges              |  |                                  | 1.61x   |      |  |      | 1.86x   |      |  |      | 1.84x   |  |  |   | 2.20x   |  |  |   | 2.56x   | 
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