<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM GREATER BAY
BANCORP'S FILING ON FORM 8-K DATED JULY 1, 1999 AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-30-1997
<CASH>                                          48,779
<INT-BEARING-DEPOSITS>                               0
<FED-FUNDS-SOLD>                                76,500
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                     78,158
<INVESTMENTS-CARRYING>                          63,589
<INVESTMENTS-MARKET>                            64,296
<LOANS>                                        675,157
<ALLOWANCE>                                    (13,359)
<TOTAL-ASSETS>                               1,077,907
<DEPOSITS>                                     945,743
<SHORT-TERM>                                         0
<LIABILITIES-OTHER>                             29,279
<LONG-TERM>                                     23,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        52,727
<OTHER-SE>                                      27,159
<TOTAL-LIABILITIES-AND-EQUITY>               1,077,908
<INTEREST-LOAN>                                 16,847
<INTEREST-INVEST>                                3,493
<INTEREST-OTHER>                                   774
<INTEREST-TOTAL>                                21,114
<INTEREST-DEPOSIT>                               7,208
<INTEREST-EXPENSE>                               7,739
<INTEREST-INCOME-NET>                           13,375
<LOAN-LOSSES>                                    2,093
<SECURITIES-GAINS>                                 (45)
<EXPENSE-OTHER>                                  7,926
<INCOME-PRETAX>                                  5,146
<INCOME-PRE-EXTRAORDINARY>                       5,146
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,267
<EPS-BASIC>                                       0.36
<EPS-DILUTED>                                     0.34
<YIELD-ACTUAL>                                    4.97
<LOANS-NON>                                      5,535
<LOANS-PAST>                                     1,279
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                10,138
<CHARGE-OFFS>                                     (257)
<RECOVERIES>                                        20
<ALLOWANCE-CLOSE>                               13,359
<ALLOWANCE-DOMESTIC>                            13,359
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0