Certification exams change, and study material has to keep up. The LEED-AP-ID-C (USGBC LEED AP Interior Design + Construction (LEED AP ID+C) V4) question bank at Actual4Exams is reviewed continuously and comes with 365 days of free updates, so your 2026 preparation always reflects the current exam.
USGBC LEED-AP-ID-C Exam Overview:
| Certification Vendor: | U.S. Green Building Council (USGBC) |
|---|---|
| Exam Name: | LEED AP Interior Design + Construction (ID+C) V4 Specialty Exam |
| Exam Number: | LEED-AP-ID+C |
| Certificate Validity Period: | Credential must be maintained with continuing education |
| Exam Duration: | 120 minutes |
| Related Certifications: | LEED Green Associate |
| Exam Format: | Multiple-choice |
| Real Exam Qty: | 100 |
| Passing Score: | 170 out of 200 |
| Available Languages: | English |
| Exam Price: | USD 350 (specialty only) / USD 550 (combined with Green Associate) |
| Sample Questions: |  |
| Exam Way: | Available at Prometric testing centers or online via remote proctored delivery. |
| Pre Condition: | Must hold an active LEED Green Associate credential to take the specialty exam (or register for combined exam). |
| Official Syllabus URL: | https://www.usgbc.org/credentials/leed-ap |
USGBC LEED-AP-ID-C Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Task Domains | - LEED Project and Team Coordination - Analyses Required for LEED Credits - LEED Certification Process - Advocacy and Education for Adoption for LEED Rating System |
| Topic 2: Knowledge Domains | - LEED Process and Integrative Strategies - Water Efficiency, Energy and Atmosphere - Location and Transportation, Sustainable Sites - Materials & Resources and Indoor Environmental Quality |
LEED-AP-ID-C Exam FAQ: What Candidates Ask About USGBC LEED AP Interior Design + Construction (LEED AP ID+C) V4
The LEED-AP-ID-C exam, officially known as USGBC LEED AP Interior Design + Construction (LEED AP ID+C) V4, is the USGBC test that leads to the USGBC LEED certification at the Professional Speciality level. Passing it validates the skills employers expect from a certified professional. It is also associated with related credentials such as LEED Green Associate.
The LEED-AP-ID-C exam contains 100 questions, and you have 120 minutes to complete them. Work out your per-question pace before test day, and flag slow items instead of stalling on them — time pressure, not knowledge, sinks many first attempts. Timed mock exams in the Actual4Exams test engines are the most reliable way to build that rhythm.
The passing score for the LEED-AP-ID-C exam is 170 out of 200, and the official registration fee is USD 350 (specialty only) / USD 550 (combined with Green Associate). If you miss the mark, a retake means paying the full fee again, so book your seat only when you are ready. A practical benchmark: score consistently above the passing line on timed practice tests before scheduling the real exam.
Must hold an active LEED Green Associate credential to take the specialty exam (or register for combined exam).
Entry requirements can change, so confirm the latest conditions on the official exam page: https://www.usgbc.org/credentials/leed-ap.
Yes. A free PDF demo of the USGBC LEED AP Interior Design + Construction (LEED AP ID+C) V4 questions is available, so you can check the question style and answer quality before you pay. Every purchase also includes 365 days of free updates, and if the product expires you can renew the update service at a 50% discount from your member zone.
If you take the corresponding LEED-AP-ID-C exam within 60 days of purchase and do not pass, you can apply for a full refund under the 100% Money Back Guarantee: submit a scan of your enrollment slip and your official Score Report (PDF) within 2 days of the exam date, and the claim is processed within 7 days. Attempts made within 3 days of purchase, downloads without an actual exam attempt, free materials, and expired orders are not eligible, and the candidate name must match the payer name. Prefer new material instead of a refund? You can exchange your purchase for two free products of equal value and keep the update service on your original product. As for delivery, the files are available for instant download and are also emailed to you within one minute of payment — if nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you can install the product on.
The official USGBC LEED AP Interior Design + Construction (LEED AP ID+C) V4 outline is organized into 2 domains. The first three are:
- Knowledge Domains
- Task Domains
See the complete exam topics section above for the full outline and the weighting of every domain.
USGBC LEED AP Interior Design + Construction (LEED AP ID+C) V4 Sample Questions:
Question 1
After the construction and installation of all finishes and furnishing of a new 36,000 ft2 (3 344.5m2) office space, what is the minimum total volume of outdoor air that is required during a non-phased flush-out procedure to achieve Indoor Environmental Quality Credit, Indoor Air Quality Assessment?
A. 522,000,000 ft3 (14 781 394.0 m3)
B. 126,000,000 ft3 (3 567 922.7 m3)
C. 378,000,000 ft3 (10 703 768.1 m3)
D. 504,000,000 ft3 (14 271 690.7 m3)
Question 2
To satisfy the Increased Ventilation strategy in the Indoor Environmental Quality Credit, Enhanced Indoor Air Quality Strategies, the breathing zone rates of outdoor air ventilation to all occupied spaces must be increased above the minimum rates required in ASHRAE 62.1-2010 by at least what percentage?
A. 10%
B. 50%
C. 20%
D. 30%
Question 3
Discussing the project goals to help identify the credits and options that the team should attempt is an example of
A. developing the LEED Scorecard
B. documenting LEED credits
C. creating the Basis of Design
D. implementing the Commissioning Plan
Question 4
Which prerequisite and/or credits can be achieved by providing individual controls for lighting?
A. Energy and Atmosphere Credit, Optimize Energy Performance and Indoor Environmental Quality Credit, Interior Lighting
B. Energy and Atmosphere Credit, Energy Use and Indoor Environmental Quality Credit, Interior Lighting
C. Energy and Atmosphere Credit, Enhanced Commissioning and Indoor Environmental Quality Credit, Interior Lighting
D. Energy and Atmosphere Credit, Optimize Energy Performance and Indoor Environmental Quality Prerequisite, Minimum Indoor Environmental Quality Performance
Question 5
Which of the following statements is correct when defining the project boundary?
A. Contiguous land that is associated with the project that is altered as a result of construction must be included
B. The LEED project boundary cannot include more than one building
C. The gross floor area of the LEED project should be no less than 1,000 ft2 (93 m2)
D. The project boundary must be defined by the limit of construction
Solutions:
| Question 1 Answer: D | Question 2 Answer: D | Question 3 Answer: A | Question 4 Answer: A | Question 5 Answer: A |
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