<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from CSA Income
Fund IV Limited Partnership's  Statement of Financial Position as of September
30, 1999 and Statement of Operations for the nine months then ended and is
qualified in its entirely by reference to such financial statements.
</LEGEND>

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                       4,172,193
<SECURITIES>                                         0
<RECEIVABLES>                                  578,036
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0<F1>
<PP&E>                                      53,275,501
<DEPRECIATION>                            (33,511,242)
<TOTAL-ASSETS>                              24,514,488
<CURRENT-LIABILITIES>                                0<F1>
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                  13,999,984
<TOTAL-LIABILITY-AND-EQUITY>                24,514,488
<SALES>                                              0
<TOTAL-REVENUES>                            11,670,923
<CGS>                                                0
<TOTAL-COSTS>                                9,486,531
<OTHER-EXPENSES>                               211,480
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             839,221
<INCOME-PRETAX>                              1,133,691
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                          1,133,691
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 1,133,691
<EPS-BASIC>                                       2.21
<EPS-DILUTED>                                     2.21
<FN>
<F1>The registrant maintains an unclassified Statement of Financial Position.
</FN>