Welcome to the IREM® Certified Sustainable Property (CSP) platform
Through this platform, you can complete and update first-time and recertification applications for your properties, submit and pay fees for your property applications, and enroll in the CSP volume program, if your company qualifies.
New registration process and fee
Applicants must now register properties for CSP application and pay a $99 nonrefundable registration fee prior to accessing the full application. This applies to applications for both new, first-time certification and recertification. Once registration is complete, applicants will receive a confirmation email with a link to the full application.
CSP deadlines
New Certification Priority Deadline: November 1, 2026
Recertification Deadline: December 31, 2026
Start a v.2025 application Start a recertification Continue existing application
IREM CSP volume program
If your company plans to certify at least 10 properties, participates in ESG reporting, and has a portfolio-wide sustainability strategy, you can enroll in the volume program at no charge.
Benefits of the volume program include CSP credits for portfolio initiatives and discounts on application fees. View more information at irem.org.
IREM CSP recertification guide
See the recertification guide for instructions on recertification applications. Recertification is required every three years.
Questions?
The IREM CSP program is supported by a Yardi Energy Efficiency Grant.
Disclaimer of legal liability
The IREM Certified Sustainable Property (CSP) program is a voluntary program that provides sustainability best practices and evaluation. Participation is open to all properties that meet program requirements as represented to IREM by program applicants. IREM makes no guarantee on the actual sustainability performance of a certified property at any particular time, and IREM takes no responsibility for claims about property performance, value, or insurability based on certification under the IREM CSP program.