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CRMR Exam Dates 2026: Testing Windows, Deadlines & Scheduling

TL;DR
  • The CRMR exam is delivered through Kryterion, not on a fixed national calendar, so you schedule once ACAC authorizes you.
  • The current online application gives six months to finish; the handbook still mentions 90 days, so confirm with ACAC.
  • The exam is 50 multiple-choice questions in two hours, closed book, with a 70% passing score.
  • Initial cost is $100 examination plus $300 certification ($400 total); a retake is $100.

How CRMR Exam Scheduling Actually Works

Candidates searching for "CRMR exam dates 2026" often expect a published calendar of national test days, the way some professional licensing boards operate. That is not how the Council-certified Residential Microbial Remediator (CRMR) credential works. The American Council for Accredited Certification (ACAC) certifies the credential, and its testing provider, Kryterion, Inc., delivers the examination either at authorized testing centers or through secure online video proctoring. There is also an instructor-proctored vocational option available by arrangement.

The practical meaning: your "exam date" is something you set after ACAC processes your application and authorizes you to test. The real deadlines that matter in 2026 are not calendar dates handed down by the certifying body but the time windows attached to your own application. This article walks through those windows, the sequence of steps, and how to reverse-engineer a study timeline that fits them.

Verify before you plan: ACAC's published materials do not present a single dated list of CRMR sitting days. Always confirm current scheduling mechanics, available time slots and any deadlines directly with ACAC and through your Kryterion scheduling instructions before committing to a study calendar or paying for travel.

From Application to Exam Day: The Sequence

The CRMR path has several gates, and each one consumes calendar time. According to the CRMR Candidate Handbook, the process involves attestation of current employment in microbial remediation, application and identity verification, a successful examination, and certification-board approval. Notably, no minimum duration of experience, project sheets or mandatory preparatory course is specified for the CRMR. The detailed eligibility picture is covered in our guide to CRMR requirements; here, the focus is on timing.

  1. Submit the application. Use the current ACAC microbial remediation application and attest to current employment in microbial remediation.
  2. Complete identity verification. This is part of the application stage and should be done early, since it can delay your authorization if handled late.
  3. Receive authorization to test. Once ACAC clears you, your clock for completing the process begins.
  4. Schedule through Kryterion. Choose a testing center, online proctoring, or the arranged instructor-proctored route.
  5. Sit the exam. Electronic results are available immediately and confirmed by email.
  6. Certification-board approval. Passing the exam alone does not finish the process; the certification board must approve you.

Because the credential is vocational and not CESB-accredited, course completion, or passing an examination solely for state licensing, does not itself confer ACAC certification. Plan your timeline around the ACAC process rather than assuming a training course certificate substitutes for any step.

The Authorization Window: 90 Days or Six Months?

This is the single most important timing detail for 2026 candidates, and it is where published sources disagree. The current online application gives candidates six months to complete the process. The CRMR Candidate Handbook, however, retains older wording describing a 90-day window and notarized-paper procedures.

SourceWindow DescribedHow to Treat It
Current ACAC online applicationSix months to complete the processFollow this as your working assumption, then confirm
CRMR Candidate Handbook90-day wording and notarized-paper proceduresTreat as older wording that may not match the online flow
ACAC directlyOperative deadline for your specific fileConfirm in writing before you rely on either figure
Practical rule: Do not impose the older 90-day wording on yourself without qualification, and do not assume six months is guaranteed to apply to your file either. Follow the instructions displayed on your current application, and email ACAC to confirm the operative authorization deadline. Save that confirmation.

If you are unsure, the conservative approach is to schedule your exam early enough that the shorter window would also be satisfied. That keeps you safe under either reading while you wait for ACAC's answer.

Test Center, Online Proctoring or Instructor-Proctored

Your delivery choice affects how quickly you can get a slot and what you need to prepare logistically.

Authorized Kryterion testing centers

A testing center gives you a controlled environment and removes home-technology risk. The tradeoff is travel and the need to match your availability with open center slots. Book early if you live outside a metro area.

Secure online video proctoring

Online proctoring through Kryterion lets you test from a location of your choosing, subject to the proctoring rules. Because the exam is closed book, expect room, desk and identity checks. Run any required system check well ahead of exam day so a camera or connectivity issue does not consume your scheduled slot.

Instructor-proctored vocational option

ACAC lists an instructor-proctored option available by arrangement. This is not something you can usually book on impulse; it depends on arrangements being made in advance, so raise it with ACAC or your instructor early if it is your preferred route.

Key Takeaway

Decide on your delivery mode before you set a study end date. The mode determines how much lead time you need to secure a slot, and you want your last practice sessions to land a few days, not hours, before the sitting.

Fees and Their Timing

Scheduling and money are linked, because you generally cannot book a sitting you have not paid for. The CRMR fee structure is simple compared with many credentials:

ItemAmount (USD)Timing Relevance
Examination fee$100Part of the initial cost
Certification fee$300Part of the initial cost; relates to certification-board approval
Initial total$400Budget this before you start the application clock
Retake$100Factor into your plan if a first sitting does not go as hoped
Renewal$300Due on the two-year cycle

For a fuller breakdown, including optional training that is separate from these fees, see our CRMR certification cost breakdown. Training courses from independent providers are priced by those providers, not ACAC, and quoted fees on provider pages can conflict with current issuer instructions, so use ACAC's own fee page as the source of truth.

Working Backward From Your Exam Date

Because the exam has no fixed national date, the smartest approach is to pick a target sitting and build backward. The exam is 50 multiple-choice questions in two hours with at least four answer choices each, closed book, and a 70% passing score, which means roughly 35 correct answers. Questions and answers are randomized, so memorizing sequence is useless; you need genuine command of the content.

The five published competency statements are unweighted, so no domain should be assumed to dominate. Use the schedule below as a sample pacing tied to the competency areas, and adjust to your own background. Candidates already working water-damage jobs will move faster through Domain 5; those new to field safety will want more time on Domain 3. For a deeper content walk-through, see the complete guide to all five CRMR content areas.

Weeks 1-2

Domain 1: Core Principles in the Reference Texts

  • Read the AIHA Recognition, Evaluation & Control of Indoor Mold (second edition, 2020) in full, not just excerpts
  • Start the ACAC Code of Conduct, since it is a required reference
  • Build a glossary as you go; terminology recurs across all three technical references
Week 3

Domain 2: Equipment, Supplies, Calibration

  • List equipment used on a remediation project and how each is calibrated and operated
  • Connect each tool to the task it supports so recall works from scenarios
Week 4

Domain 3: Safety Hazards and Occupant/Worker Protection

  • Cover regulatory awareness, safe work practices and appropriate PPE together, as the competency statement groups them
  • Practice explaining how procedures protect both occupants and remediators
Week 5

Domains 4 and 5: Regulated Substances and Water Damage

  • Domain 4: recognize when remediation may bring contact with regulated substances such as lead and asbestos
  • Domain 5: study water damage in the indoor environment using ANSI/IICRC S500-2021, including its glossary pages
  • Review S520 for its remediation framework
Week 6

Integration and Scheduling Buffer

  • Run timed 50-question practice sets under two-hour conditions on the CRMR practice test site
  • Reserve the final days for weak areas, not new material
  • Confirm your appointment details, ID and system check

A six-week plan is a template, not an official requirement. Our CRMR study guide expands on resource selection, and the difficulty guide can help you decide whether to compress or extend this schedule based on your field experience.

Read the full references: ACAC's study guide highlights S500 sections A, B and 1 through 8 plus glossary pages 99-118, and organizes preparation around three reference headings: AIHA Recognition, Evaluation and Control of Indoor Mold; IICRC S500-2021; and IICRC S520. These are preparation categories, not additional exam domains. ACAC expects study of the full references, not only the highlighted reading locations.

Retakes, Renewal Cycles and Long-Range Dates

Planning for a retake

A retake costs $100. Build a small buffer into your application window so that if a second sitting is needed, you are not racing the authorization deadline. Ask ACAC how retakes interact with your authorization period, because that is another operative detail worth confirming rather than assuming.

On outcomes, a prior-review figure attributed to ACAC's 2025 Exam Pass Ratio reports 37 passes from 37 administrations, or 100%, with retakes and state-licensing-only exams included. That figure was not independently reverified here, and a small annual count should never be read as a first-attempt probability or a personal guarantee. See our CRMR pass rate analysis and passing score guide for context.

The two-year renewal clock

Once certified, your next important date is two years out. Current renewal procedures require 40 recertification credits: 10 for continued field activity plus 30 hours of professional development. You must retain evidence in case of audit and submit the required current photo. The renewal fee is $300.

  • Log continuing education and field activity as you earn it, not in a scramble before the deadline
  • Keep certificates and documentation for audit purposes
  • Check ACAC's recertification procedures page for the current process

If you are weighing the long-term commitment, our analysis of whether the CRMR certification is worth it covers how these recurring obligations fit into the broader return picture.

Reference Editions: Why There Is No "2026 Exam Version"

Candidates sometimes ask which exam version or year applies in 2026. The published materials do not establish a numbered 2026 exam version. What ACAC does list is a set of required references: the ACAC Code of Conduct; AIHA Recognition, Evaluation & Control of Indoor Mold, second edition (2020); ANSI/IICRC S500-2021, fifth edition; and either S520-2015 with R520-2015, third editions, or S520-2024, fourth edition.

Those edition listings do not tell you when your exam content was last revised, so avoid study sources that promise "2026-specific" question banks. Choose the S520 edition ACAC permits, read it fully, and confirm with ACAC if you are unsure which edition to prioritize.

Also note that ACAC's general examinations page cites a 75-120-question range that does not reflect this credential-specific handbook. For the CRMR, use the 50-question, two-hour, 70% format. If you are comparing credentials, keep in mind that CMR and CMRS are separate designations with their own requirements; no CMR or CMRS objectives apply here. You can read more about the credential itself in what CRMR certification is, and for last-minute fact review, the CRMR cheat sheet condenses the essentials.

Key Takeaway

Your real 2026 deadlines are personal: the authorization window on your application, the slot you book with Kryterion, and your two-year renewal date after certification. Track those three dates, confirm ambiguous ones with ACAC in writing, and build your study plan backward from the exam sitting.

Frequently Asked Questions

Are there fixed CRMR exam dates in 2026?

ACAC's published CRMR materials do not present a fixed national calendar of sitting dates. Candidates schedule through the testing provider, Kryterion, after ACAC authorizes them. Confirm current slot availability and any deadlines with ACAC and Kryterion.

How long do I have to complete the CRMR process after applying?

The current online application gives six months to complete the process, while the candidate handbook retains older 90-day and notarized-paper wording. Follow your current application instructions and confirm the operative authorization deadline with ACAC.

Can I take the CRMR exam online?

Yes. The exam is delivered through Kryterion at authorized testing centers or via secure online video proctoring. An instructor-proctored vocational option is also available by arrangement. The exam is closed book regardless of delivery method.

What does the exam look like on test day?

It consists of 50 multiple-choice questions with at least four answer choices each, a two-hour time limit, and a 70% passing score. Questions and answers are randomized, and electronic results are available immediately and confirmed by email.

When do I need to renew after passing?

Certification lasts two years. Renewal currently requires 40 recertification credits, made up of 10 for continued field activity and 30 hours of professional development, plus a current photo. Retain evidence for audit. The renewal fee is $300; see the cost breakdown for the full picture.

Whatever date you choose, treat scheduling as part of your preparation. Build in buffer time, confirm the authorization window, and use timed 50-question sessions on the CRMR practice platform to rehearse the two-hour format before your sitting.

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