The Certified Building Professional (CBP) exam from the Pool & Hot Tub Alliance is taken by pool and spa builders who want a recognized credential. This page gives you free practice sets by topic, three worked questions with full explanations, a study plan, and the exam facts PHTA publishes: 100 multiple-choice questions, 3 hours, and 75% to pass.
The CBP has 100 questions, takes about 3 hours and costs $250[1] (Pool & Hot Tub Alliance, verified Oct 27, 2026).
Numbers in brackets link to the official sources listed under Sources & last verified. Dates that have passed are removed automatically.
| Item | Detail | Source · Verified |
|---|---|---|
| Number of questions | 100 multiple-choice questions (open book)[1] | Pool & Hot Tub Alliance · Oct 27, 2026 |
| Time limit | 3 hours (180 minutes)[1] | Pool & Hot Tub Alliance · Oct 27, 2026 |
| Passing score | 75%[1] | Pool & Hot Tub Alliance · Oct 27, 2026 |
| Exam fee | $250 exam fee[1] | Pool & Hot Tub Alliance · Oct 27, 2026 |
| Retake fee (Prometric Test Center) | $100 ($140 with remote proctoring)[2] | form.jotform.com · Oct 27, 2026 |
| Retake policy | Retake up to 5 times within 1 year; 24-hour wait between attempts; no need to repeat course[2] | form.jotform.com · Oct 27, 2026 |
| Validity | 3 years, ending December 31 of the third year[3] | Pool & Hot Tub Alliance · Oct 27, 2026 |
| Delivery | Prometric test centers, remote proctored testing, or PHTA-hosted events[1] | Pool & Hot Tub Alliance · Oct 27, 2026 |
| Score release | Immediate for computerized Prometric exams; within 3 weeks for PHTA-hosted events[1] | Pool & Hot Tub Alliance · Oct 27, 2026 |
| Next exam date (PSP Expo) | November 17, 2026[4] | form.jotform.com · Oct 27, 2026 |
| Registration deadline (PHTA-Hosted Event) | At least 24 hours in advance (5 business days for Prometric/remote proctoring)[4] | form.jotform.com · Oct 27, 2026 |
According to Pool & Hot Tub Alliance, “C201: 3 hours, 100 multiple-choice questions, open book, 75% to pass”[1]
The CBP is a certification for building professionals in the pool and spa industry. It is run by the Pool & Hot Tub Alliance (PHTA). The C201 Concrete exam has 100 multiple-choice questions, a time limit of 3 hours (180 minutes), and it is open book. You need 75% to pass.
PHTA says exams are available at Prometric testing centers, through remote proctored testing, or at PHTA-hosted events. One listed event is the CBP Certification Exam (C201 Concrete) at PSP Expo on November 17, 2026. The exam fee is $250, and PHTA notes that additional registration is required.
Scores appear immediately for computerized Prometric exams. For PHTA-hosted events, results are delivered within 3 weeks. For a PHTA-hosted event, your application and documents must reach the PHTA national office at least 24 hours before the exam. For Prometric or remote proctoring the lead time is 5 business days.
If you do not pass, you can retake the exam up to 5 times within 1 year of your initial test date, with a 24-hour wait between attempts. You do not need to repeat the course. A retake costs $100 at a Prometric test center, or $140 with remote proctoring. The certification stays valid for 3 years, ending December 31 of the third year. Details can change, so confirm everything on the official PHTA CBP page before you register.
Prepare for the CBP - Certified Building Professional exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.
These are practice questions written for this site, not questions from the real exam. Each explanation shows why the right answer is right and why the others are wrong.
Question: Which component controls the flow rate in a hydraulic system?
Answer: C. Valve
Explanation:
A valve is correct because its job is to open, close or throttle the path water takes. Changing how far it is open changes how much water moves through the system, which is what flow control means.
The pump is the wrong choice because it creates the pressure and movement, but it does not regulate the amount on its own. Many designs run a pump at a fixed output and use valves to balance branches. The heater changes water temperature, not flow. The skimmer pulls surface water and debris into the system, so it is an inlet point rather than a control device.
Rule to remember: the pump supplies the energy, and valves shape where that flow goes and how much of it goes there.
Question: How should a building professional handle scope changes during a project?
Answer: D. Follow formal change management procedures
Explanation:
Following formal change management procedures is correct. A scope change affects cost, schedule and sometimes safety or code compliance, so it has to be written down, assessed for impact, and approved before work proceeds. That protects both the builder and the client if a dispute comes up later.
Ignoring minor changes looks like a time saver, but small unrecorded changes add up and are hard to defend later. Discussing changes informally leaves no record, so each side may remember the agreement differently. Implementing changes without documentation is the riskiest choice because the work is done with no approval and no basis for billing.
Rule to remember: if it changes what you promised to deliver, record it, price it, and get sign-off before you build it.
Question: Which on-site renewable energy system is most commonly integrated into commercial building rooftops in the United States?
Answer: C. Photovoltaic (PV) solar panels
Explanation:
Photovoltaic (PV) solar panels are correct. Panels suit rooftops because they are modular, have no moving parts, use roof area that is otherwise unused, and can be sized to the available space. That is why they are the usual on-site renewable choice on commercial buildings in the United States.
Small wind turbines need steady, unobstructed wind, and rooftop turbulence plus vibration and noise make them a poor fit. Geothermal heat pumps are a real efficiency measure, but they use ground loops, so they sit beside or under a building, not on its roof. Micro-hydropower needs flowing water with usable drop, which a rooftop does not have.
Rule to remember: match the technology to the resource the site actually has. A roof has sun and space.
Start with the official PHTA CBP page and read the current exam details, so you know the format and what documents you need. Because the exam is open book, plan on knowing where things are in your reference material as well as what they say.
Next, take each of our practice sets in turn: estimating and cost control, sustainable building and energy efficiency, construction materials and methods, structural design, electrical, plumbing and hydraulic systems, project management and client relations, and regulatory codes and safety standards. Do a set without notes first, then review every answer you missed or guessed. For each miss, write a short line stating the rule behind the right answer in your own words.
Use the worked questions above as a model for that review. Ask why the correct option works and what is wrong with each other option. Then repeat the weakest sets after a gap, so you are recalling the material rather than recognizing it.
Before test day, practice finding answers in your allowed reference material under time pressure, and check your registration deadline and testing format. Our questions are written by us for practice and are not real exam questions, so treat them as a way to find gaps, not as a prediction of your score.
PHTA lists 75% as the passing score for the C201 exam. The exam has 100 multiple-choice questions and a time limit of 3 hours. It is open book. Check the official PHTA CBP page for the current requirements before you register.
The exam fee is $250, and PHTA notes that additional registration is required. A retake costs $100 at a Prometric test center, or $140 with remote proctoring. Confirm current fees with PHTA before you pay, since fees can change.
Yes. PHTA policy allows up to 5 retakes within 1 year of your initial test date. You must wait 24 hours between attempts, and you do not need to repeat the course. Each retake carries its own fee.
For computerized exams at Prometric, your score is available immediately. For PHTA-hosted events, PHTA says results are delivered within 3 weeks. Your result timing depends on which delivery option you choose when you register.
For a PHTA-hosted event, your application and documents must reach the PHTA national office at least 24 hours before the exam. For Prometric test centers or remote proctoring, allow 5 business days. Register early so you have time to fix any missing paperwork.
PHTA lists the CBP as valid for 3 years, ending on December 31 of the third year. Check the PHTA recertification page for the current renewal requirements and deadlines.
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