- The exam is closed book: 60 multiple-choice questions in 90 minutes, delivered by live remote proctoring or approved group paper sessions.
- Materials (about 30%), Energy (about 25%) and Green Building Process (about 19%) together carry roughly three-quarters of the blueprint.
- Standard registration is $350; registration stays valid six months from payment and includes retakes, each costing $50.
- Certification lasts five years; renewal means passing the current exam or completing 30 approved continuing-education hours.
What This Credential Is (and Is Not)
The GA Certified Practitioner (GACP) is issued by Green Advantage (GA), and its official name is the Green Advantage Certified Practitioner. It emphasizes supervisory and advanced construction responsibilities, which is the main thing separating it from the entry-level GACA credential. If you are still sorting out the basics, start with What Is GACP? or What Is GACP Certification? and come back here for the quick-reference version.
This page is a one-page review: facts you should be able to recite without notes before test day. For the long-form treatment of any single topic, the linked deep dives are listed along the way, and you can test yourself against realistic questions on the main practice test site.
Exam Format Snapshot
| Item | Must-Know Fact |
|---|---|
| Question count | 60 multiple-choice questions |
| Time limit | 90 minutes |
| Reference materials | Closed book |
| Delivery | Online live remote proctoring by Green Advantage-qualified proctors |
| Group option | Approved-site paper-and-pencil sessions, arranged for groups of at least five |
| Minimum age | 18 |
| Prerequisite credential | None; GACA is not required |
| Training | Recommended but optional |
| Scope | Part B, Green Building Approaches (Part A is explicitly excluded from assessment) |
Pacing math
Ninety minutes for 60 questions works out to an average of 90 seconds per question. Pilot questions may appear and may go unscored, but the exam does not tell you which items they are, so treat every question as if it counts. Do not assume any particular split between scored and unscored items.
Registration prerequisites in one line
You must be at least 18, pay the registration fee and sign the registration agreement. That is the whole gate. For the fuller walkthrough, see GACP Requirements 2026.
Domain Weights at a Glance
The seven domains below are the official Part B exam-content headings from the Green Advantage exam content overview dated March 1, 2020. They are not editorial study categories invented for prep purposes.
| Domain | Approximate Weight |
|---|---|
| Green Building Context | 5% |
| Sites | 8% |
| Water | 5% |
| Energy | 25% |
| Materials | 30% |
| Indoor Environmental Quality (IEQ) | 6% |
| Green Building Process | 19% |
One more caution: the issuer page still links the 2020 overview. A 2024 handbook exists for administrative rules, but nothing verified establishes a new 2026 content blueprint. For a domain-by-domain expansion, read GACP Exam Domains 2026: Complete Guide to All 7 Content Areas.
The Big Three: Materials, Energy, Green Building Process
Roughly 74% of the blueprint sits in three headings. If your review time is limited, this is where it pays off most.
Domain 5: Materials (about 30%)
The single heaviest domain. Because this credential leans toward supervisory construction responsibility, expect questions framed around what a practitioner on a jobsite would specify, verify, handle or document.
- Be ready to reason about how material choices affect the rest of the project, not just define terms.
- Practice scenario-style items where two answers look plausible and one better fits a green-building approach.
- Review material-related waste handling and sourcing concepts as they appear in the official Part B content.
Domain 4: Energy (about 25%)
The second-largest domain. Think about how building decisions made on site influence energy performance over the life of the structure.
- Focus on how design intent is carried through in construction.
- Expect practical, applied wording instead of pure memorization.
- Link energy topics to sequencing and coordination, which also surface in the process domain.
Domain 7: Green Building Process (about 19%)
The domain that most directly reflects the supervisory emphasis of the credential: coordination, communication and carrying goals from planning through delivery.
- Study who is responsible for what, and when decisions are made.
- Expect questions about team interaction and project stages.
- Tie this domain back to Materials and Energy, since process questions often use those topics as the example.
Key Takeaway
Master Materials first, Energy second, Process third. Even a perfect score on the four smaller domains cannot compensate for weak performance across the big three.
The Four Smaller Domains
The remaining domains total roughly 24% of the blueprint. They are small individually but easy points if you review them briefly and thoroughly.
Sites (about 8%)
The largest of the small four. Know the green-building approaches that apply to the land and surroundings of a project, and how construction activity affects them.
Indoor Environmental Quality (about 6%)
Know what affects occupant health and comfort inside a finished building, and which construction-phase practices protect or compromise it.
Green Building Context (about 5%)
Foundational framing: why green building matters and how the field fits together. Low weight, but the vocabulary here supports every other domain.
Water (about 5%)
Know the water-related approaches in the official Part B content. Short to review, so do not skip it.
For a plan that sequences all seven areas, see the GACP Study Guide 2026.
Fees, Registration Window and Retakes
| Item | Current Published USD Amount |
|---|---|
| Standard registration | $350 |
| Qualifying student registration (valid student ID) | $300 |
| Retake | $50 |
| Study guide, purchased separately | $50 |
| Study guide with exam registration | Included |
| Renewal, nonlapsed | $350 |
| Reinstatement of a lapsed credential | $450 |
The six-month rule
Individual registration is valid for six months from the date of payment, and retakes taken within that registration period are covered at the $50 retake fee. Practically, that means you should not pay until you can commit to a review schedule that finishes with room for a second attempt before the window closes. Scheduling mechanics are covered in GACP Exam Dates 2026.
Five-Year Cycle and Renewal Rules
- The certification lasts five years.
- Before expiration, you may renew either by passing the current examination or by completing 30 approved continuing-education hours.
- The continuing-education route requires submitting the Credential Maintenance Program application and attestation, with the applicable fee, before expiration.
- Nonlapsed renewal costs $350.
- If the credential lapses, reinstatement costs $450.
The arithmetic is simple: letting the credential lapse costs $100 more than renewing on time, and you gain nothing for it. If you are weighing whether the whole cycle pays off, see Is the GACP Certification Worth It?
What Is Not Verified
A good cheat sheet is honest about its gaps. These items could not be confirmed from current public sources:
- Current numeric passing score: Not verified. Older handbook editions contain historical thresholds, but they are not treated as current policy. See GACP Passing Score 2026 for how to handle this uncertainty.
- Exam-wide pass rate: Not verified, so any specific percentage you see online should be treated with suspicion. Our discussion is in GACP Pass Rate 2026: What the Data Shows.
- Scored versus unscored question split: Not stated; do not guess.
- Full paid study guide content: The guide was not retrieved for this review, so topic coverage here rests on the public exam overview.
Likewise, this page makes no salary or hiring-demand claims. For earnings context, read the GACP Salary Guide 2026 and GACP Jobs, and for a sense of difficulty, How Hard Is the GACP Exam?
Scheduling Review Time by Weight
If you have a few weeks before your registration window gets tight, allocate by blueprint weight rather than by what feels comfortable. One compact way to do it:
Materials, part one
- Cover the heaviest domain first while your attention is fresh.
- Write down every term you hesitate on.
Materials wrap-up and Energy
- Finish Materials, then start Energy, the second-heaviest area.
- Do scenario questions, not just flashcards.
Green Building Process plus the four small domains
- Process ties the earlier weeks together.
- Sites, IEQ, Context and Water get one short pass each.
Timed practice
- Simulate 60 questions in 90 minutes, closed book.
- Revisit the domains where you missed the most items.
You can run those timed sessions on the practice test platform. If you want structured instruction before you start, see GACP Training, remembering that preparation training is recommended but optional.
FAQ
The written exam has 60 multiple-choice questions with a 90-minute limit. It is closed book. Some pilot questions may be unscored, but you will not be told which ones.
Materials, at approximately 30%, is the largest domain, followed by Energy at approximately 25% and Green Building Process at approximately 19%. Together they make up roughly three-quarters of the published blueprint.
No. GACA is not a prerequisite. You must be at least 18, pay the registration fee and sign the registration agreement. Preparation training is recommended but optional.
Individual registration is valid for six months from payment, and retakes within that period cost $50 each. Plan your first attempt early enough to leave room for a second inside the window.
Either pass the current examination or complete 30 approved continuing-education hours and submit the Credential Maintenance Program application and attestation with the fee before expiration. Nonlapsed renewal is $350; reinstating a lapsed credential is $450.