Form: EFFECT

Notice of Effectiveness

August 20, 2026

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Notice of Effectiveness

Effectiveness Date: August 19, 2026
Accession Number: 0001104659-26-097858
Submission Type: POS AM
CIK: 0000915912
Company Name: AVALONBAY COMMUNITIES INC
File Number: 333-295410