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EXHIBIT 23.1
Consent of Independent Auditors
We consent to the reference to our firm under the caption "Experts" in Amendment
No. 1 to the Registration Statement of ERP Operating Limited Partnership and
Equity Residential Properties Trust (Form S-4) and to the incorporation by
reference therein of our reports indicated below with respect to the financial
statements indicated below included in ERP Operating Limited Partnership's and
Equity Residential Properties Trust's filings as indicated below, filed with the
Securities and Exchange Commission.
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Date of Auditors'
Financial Statements Report Filing
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Consolidated financial statements and schedule of February 16, 2000, Equity Residential
Equity Residential Properties Trust at December 31, except for Note 23, as Properties Trust's 1999
1999 and 1998 and for each of the three years in the to which the date is Annual Report on Form
period ended December 31, 1999 March 3, 2000 10-K
Consolidated financial statements and schedule of ERP February 16, 2000, ERP Operating Limited
Operating Limited Partnership at December 31, 1999 except for Note 22, as Partnership's 1999
and 1998 and for each of the three years in the to which the date is Annual Report on Form
period ended December 31, 1999 March 20, 2000 10-K
Consolidated financial statements and schedules of January 27, 1999 Equity Residential
Lexford Residential Trust at December 31, 1998 and Properties Trust's
1997 and for each of the three years in the period Current Report on Form
ended December 31, 1998 8-K dated June 30, 1999
Consolidated financial statements and schedules of January 27, 1999 ERP Operating Limited
Lexford Residential Trust at December 31, 1998 and Partnership's Current
1997 and for each of the three years in the period Report on Form 8-K dated
ended December 31, 1998 June 30, 1999
/S/ ERNST & YOUNG LLP
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Chicago, Illinois
September 25, 2000
