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EXHIBIT 12

BAY VIEW CAPITAL CORPORATION
COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

|                                                                           |                                                                       |  |                   |         |           |  |       |          |  
|-------------------------------------------------------------------------- | --------------------------------------------------------------------- |  | ----------------- | ------- | --------- |  | ----- | -------- | -
|                                                                           |                                                                       |  | Nine Months Ended
|                                                                           |                                                                       |  |                  
|                                                                           |                                                                       |  | 9/30/2002         |         | 9/30/2001
|                                                                           |                                                                       |  |                   |         |          
|Earnings:                                                                  |                                                                       |  |                   |         |           |  |       |         
|                                                                           | Earnings (loss) before income tax expense (benefit)                   |  |                   | 71,661  |           |  |       | (163,801 | )
|                                                                           | Add:                                                                  |  |                   |         |           |  |       |          |  
|                                                                           | Interest on advances and other borrowings                             |  |                   | 23,432  |           |  |       | 46,681   |  
|                                                                           | Interest component of rental expense                                  |  |                   | 1,602   |           |  |       | 1,626    |  
|                                                                           |                                                                       |  |                   |         |           |  |       |         
|                                                                           | Earnings before fixed charges excluding
interest on customer deposits |  |                   | 96,695  |           |  |       | (115,494 | )
|                                                                           | Interest on customer deposits                                         |  |                   | 44,509  |           |  |       | 114,065  |  
|                                                                           |                                                                       |  |                   |         |           |  |       |         
|                                                                           | Earnings before fixed charges                                         |  |                   | 141,204 |           |  |       | (1,429   | )
|                                                                           |                                                                       |  |                   |         |           |  |       |         
|Fixed Charges:                                                             |                                                                       |  |                   |         |           |  |       |         
|                                                                           | Interest on advances and other borrowings                             |  |                   | 23,432  |           |  |       | 46,681   |  
|                                                                           | Interest component of rental expense                                  |  |                   | 1,602   |           |  |       | 1,626    |  
|                                                                           |                                                                       |  |                   |         |           |  |       |         
|                                                                           | Fixed charges excluding interest on
customer deposits                 |  |                   | 25,034  |           |  |       | 48,307   |  
|                                                                           | Interest on customer deposits                                         |  |                   | 44,509  |           |  |       | 114,065  |  
|                                                                           |                                                                       |  |                   |         |           |  |       |         
|                                                                           | Total fixed charges                                                   |  |                   | 69,543  |           |  |       | 162,372  |  
|                                                                           |                                                                       |  |                   |         |           |  |       |         
|Ratio of earnings to fixed charges including interest
on customer deposits |                                                                       |  | 2.03              |         |           |  | (0.01 | )       
|Ratio of earnings to fixed charges excluding interest
on customer deposits |                                                                       |  | 3.86              |         |           |  | (2.39 | )