Exhibit 23.1

Consent of Independent Auditors

We consent to the incorporation by reference in the Registration Statements (Forms S-3 No. 333-45533, No. 333-39289, No. 333-100631, No. 333-63176, No. 333-80835, No. 333-72961, No. 333-12983, No. 333-06873, No. 33-97680 and No. 33-84974; Forms S-8 No. 333-06869, No. 333-107244, No. 333-83403, No. 333-102609, No. 333-66257 and No. 333-88237; and Forms S-4 No. 333-44576 and No. 333-35873) and in the related Prospectuses of Equity Residential of our report dated February 4, 2004 (except for Notes 15 and 16, as to which the date is May 14, 2004), with respect to the consolidated financial statements and schedule of Equity Residential included in this Current Report on Form 8-K.

	/s/ Ernst & Young LLP
	Ernst & Young LLP
Chicago, Illinois
May 14, 2004

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