Exhibit 23.3

                [LETTERHEAD OF THOMPSON, GREENSPON & CO., P.C.]


                          INDEPENDENT AUDITORS' CONSENT




To the Board of Directors
Southern Financial Bancorp, Inc.


We consent to the inclusion in the Form S-4 of Southern Financial Bancorp,  Inc.
of our report  dated  January  29, 1999  relating  to the balance  sheets of The
Horizon  Bank of Virginia as of December  31,  1998,  and 1997,  and the related
statements of operations,  other comprehensive  income,  changes in stockholders
equity, and cash flows for the years then ended and to the reference to our firm
under the heading "Accountants" in the prospectus.


                                        /s/ Thompson, Greenspon & Co., P.C.


Fairfax, Virginia
June 19, 2000