Exhibit 31.1
McGRATH RENTCORP
SECTION 302 CERTIFICATION
I, Dennis C. Kakures, certify that:
| 1. | I have reviewed this Amendment No. 1 to annual report on Form 10-K of McGrath RentCorp; |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; |
| Date: March 17, 2009 | ||||||||
| By: | /s/ Dennis C. Kakures | |||||||
| Dennis C. Kakures | ||||||||
| Chief Executive Officer | ||||||||
