CSP - Accredited Professional

CSP process

Requirements per
property type

The CSP-AP credential from IREM^® (Institute of Real Estate Management) formally recognizes professionals who’ve mastered the Certified Sustainable Property (CSP) program and application process. It signals to owners, investors, and colleagues that you understand how to apply CSP standards in multiple property types.

Earn the CSP-AP

Who is CSP-AP for?

CSP-AP is for you if you:

Have knowledge of sustainability in investment real estate
Support properties pursuing or maintaining CSP
Advise owners, investors, or leadership on sustainability strategy
Train or coach site teams on the CSP process and documentation
Want a visible, credible signal of your expertise in CSP

In addition to these criteria, IREM recommends prior experience guiding a property through the CSP application process.

Why you should earn the CSP-AP

The CSP-AP credential helps you:

Signal expertise to stakeholders
Show owners, investors, and leadership that you understand the full CSP process and can guide properties through it.
Stand out as a CSP resource in your organization
Be the go-to person for CSP questions, education, and strategy.
Align with other sustainability leaders
Similar to LEED AP, Fitwel Ambassador, or GRESB AP, CSP-AP demonstrates you have specialized knowledge in a leading green building program.
Support your portfolio’s sustainability goals
Use your knowledge of CSP requirements to help more properties attain and keep certifications.

How to earn the CSP-AP credential

To be eligible for the CSP-AP credential, you must:

Submit an application
Complete the CSP-AP application and submit the $399 application fee.
Complete the CSP-AP course
Take the CSP-AP course, which covers CSP requirements, documentation, and the application process in depth.
Pass the CSP-AP exam
Pass the 75‑question CSP-AP exam with a score of 70% or higher.

Once you’ve met these requirements, you’ll earn the CSP-AP credential and be formally recognized for your proficiency with the CSP program. You will also receive a digital badge from Credly.

Get the CSP-AP today

Interested in group rates? Contact sustainability@irem.org.

CSP-AP FAQ

What is the CSP-AP credential?
The CSP-Accredited Professional is a certification from IREM that demonstrates you’ve achieved proficiency with the Certified Sustainable Property (CSP) requirements and application process. It shows that you understand how to apply CSP standards at the property and portfolio level.
Who is eligible for CSP-AP?
CSP-AP is intended for professionals who are already working with CSP-certified properties or supporting CSP applications.
How do I earn the CSP-AP credential?
To earn CSP-AP, you’ll:
- Enroll in the CSP-AP program and pay the $399 fee
- Complete the CSP-AP course
- Pass the 75-question CSP-AP exam with a score of 70% or better
After you’ve met these requirements, you’ll be awarded the CSP-AP credential.
How much does CSP-AP cost?
The CSP-AP includes a $399 enrollment fee.
How is CSP-AP different from CSP?
The Certified Sustainabile Property (CSP) is a property-level certification that recognizes buildings that meet IREM’s sustainable property standards. CSP-Accredited Professional (CSP-AP) is a credential that recognizes professionals who understand CSP requirements and the application process and can support properties through that work.
What are the benefits of the CSP-AP?
The CSP-AP strengthens credibility, builds sustainability expertise, and differentiates real estate professionals in a competitive market. It can help attract new business by enabling professionals to pursue CSP-related consulting and portfolio work.

Earning the CSP‑AP allows you to add the credential after your name and display a digital badge, signaling your verified expertise and professional accomplishment.

CSP applications submitted by CSP-AP credential holders get one bonus point on the CSP checklist.
How long does the CSP-AP last?
The CSP-AP is good for three years. After three years, you must renew the CSP-AP by retaking the course and exam by December 31 of the year in which your credential is due for renewal.