1 Exhibit 23.1 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form S-3 No. 333-61409) and Registration Statement (Form S-4 No. 333-60355) of AIMCO Properties, L.P. and in the related Prospectuses of our report dated January 20, 2000, with respect to the consolidated financial statements and schedule of AIMCO Properties, L.P. included in this Annual Report (Form 10-K) for the year ended December 31, 1999. /s/ ERNST & YOUNG LLP Denver, Colorado March 29, 2000