<PAGE>
Exhibit 23
CONSENT OF INDEPENDENT ACCOUNTANTS
We hereby consent to the incorporation by reference in the Registration
Statement on Form S-3 (No. 33-84660) and in the Registration Statements on Form
S-8 (Nos. 2-66247, 2-77690, 33-18771, 33-26748, 33-38810, 33-45169, 33-70662,
33-87446, 33-87448, 33-97332 and 333-57463) of TRC Companies, Inc. of our report
dated August 15, 2000 relating to the financial statements, which appears in the
Annual Report to Shareholders, which is incorporated in this Annual Report on
Form 10-K. We also consent to the incorporation by reference of our report,
dated August 15, 2000, relating to the financial statement schedule, which
appears in this Form 10-K.
/s/ PricewaterhouseCoopers LLP
Hartford, Connecticut
September 28, 2000
59