EXHIBIT 23.1

                         CONSENT OF INDEPENDENT AUDITORS

The Board of Directors
The Keith Companies, Inc.:

      We consent to incorporation by reference in the registration statements
(Nos. 333-61312 and 333-83097) on Form S-8 of The Keith Companies, Inc. of our
report dated February 6, 2004, with respect to the consolidated balance sheets
of The Keith Companies, Inc. and subsidiaries as of December 31, 2002 and 2003,
and the related consolidated statements of income, shareholders' equity, and
cash flows for each of the years in the three-year period ended December 31,
2003, which report appears in the December 31, 2003, annual report on Form 10-K
of The Keith Companies, Inc.

                                    /s/ KPMG LLP

Orange County, California
March 8, 2004