COMPUTATION OF RATIOS

Published on March 31, 1999



EXHIBIT 12.1

AVALONBAY COMMUNITIES, INC.
RATIOS OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS



Year Year Year Year
Ended Ended Ended Ended March 17- January 1-
December 31, December 31, December 31, December 31, December 31 March 16,
1998 1997 1996 1995 1994 1994
--------- --------- --------- --------- --------- ---------

Net Operating Income $ 94,434 $ 38,941 $ 19,626 $ 11,460 $ 7,486 $ (716)

(Less) Nonrecurring item:
Gain on sale $ (3,970) $ - $ - $ (2,412) - $ -

(Plus) Extraordinary item:
Unamortized loan fee write-off $ - $ - $ 511 $ - $ - $ -

(Plus) Fixed charges:
Interest expense $ 54,003 $ 14,113 $ 14,276 $ 11,472 $ 4,782 $ 2,358
Interest capitalized 16,977 6,985 2,567 3,641 2,096 -
Debt cost amortization 670 505 667 1,278 241 80
Preferred dividend 25,874 7,480 4,264 917 - -
--------- --------- --------- --------- --------- ---------
Total fixed charges (1) $ 97,524 $ 29,083 $ 21,774 $ 17,308 $ 7,119 $ 2,438

(Less):
Interest capitalized $ 16,977 $ 6,985 $ 2,567 $ 3,641 $ 2,096 $ -
Preferred dividend 25,874 7,480 4,264 917 - -

Adjusted earnings (2) $ 145,137 $ 53,559 $ 35,080 $ 21,798 $ 12,509 $ 1,722
--------- --------- --------- --------- --------- ---------
Ratio (2 divided by 1) 1.49 1.84 1.61 1.26 1.76 0.71
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AVALONBAY COMMUNITIES, INC.
RATIOS OF EARNINGS TO FIXED CHARGES



Year Year Year Year
Ended Ended Ended Ended March 17- January 1-
December 31, December 31, December 31, December 31, December 31 March 16,
1998 1997 1996 1995 1994 1994
--------- --------- --------- --------- --------- ---------

Net Operating Income $ 94,434 $ 38,941 $ 19,626 $ 11,460 $ 7,486 $ (716)

(Less) Nonrecurring item:
Gain on sale $ (3,970) $ - $ - $ (2,412) $ - $ -

(Plus) Extraordinary item:
Unamortized loan fee write-off $ - $ - $ 511 $ - $ - $ -

(Plus) Fixed charges:
Interest expense $ 54,003 $ 14,113 $ 14,276 $ 11,472 $ 4,782 $ 2,358
Interest capitalized 16,977 6,985 2,567 3,641 2,096 -
Debt cost amortization 670 505 667 1,278 241 80
--------- --------- --------- --------- --------- ---------
Total fixed charges (1) $ 71,650 $ 21,603 $ 17,510 $ 16,391 $ 7,119 $ 2,438

(Less):
Interest capitalized $ 16,977 $ 6,985 $ 2,567 $ 3,641 $ 2,096 $ -

Adjusted earnings (2) $ 145,137 $ 53,559 $ 35,080 $ 21,798 $ 12,509 $ 1,722
--------- --------- --------- --------- --------- ---------
Ratio (2 divided by 1) 2.03 2.48 2.00 1.33 1.76 0.71
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