The NASCLA accredited examination for commercial general building contractors is one open book test of 115 questions in 330 minutes, and 81 correct answers pass. Nearly half of it is contract and project administration rather than trade work, which is the part almost no course brochure mentions.
There is a reason it is hard to find a plain description of this exam. Search for it and the first result is the awarding body, and everything under that is somebody selling a course. Course sellers are not neutral about how frightening an exam sounds. So here is the exam itself, taken from the published content outline, with the numbers that actually decide how you should spend your study time.
What is this exam, and who sits it?
The NASCLA Accredited Examination Program exists to stop competent commercial builders sitting nearly identical trade exams in every state they want to bid in. You pass it once. Your score goes into the National Examination Database, and from there you send transcripts to any participating state agency that accepts it in place of its own trade portion.
It replaces the trade exam only. The bulletin is blunt about this: candidates are expected to follow each state agency’s own application process, and to sit a business and law examination in addition. Nobody gets licensed on this exam alone.
NASCLA’s own list of participating state agencies, checked on 7 September 2026, includes the Florida Construction Industry Licensing Board. A NASCLA pass does not replace the Florida Business and Finance exam, which is the part Florida builders fail most often anyway.
How many questions, how long, and what score passes?
The published content outline, dated 23 January 2026, gives 115 questions, a 330 minute limit and a minimum passing score of 81. That is 70.4 percent, so you can miss 34 questions and still pass. It also states, in capitals, that the examination is open book.
There is a wrinkle in the timing that is worth knowing before you sit down. The bulletin says up to ten unscored experimental questions may be added, roughly ten percent of the paper, and that these questions do count against your examination time. You cannot tell which they are. You pay for them in minutes and get nothing back.
What is actually on it, section by section?
This is the table nobody publishes. The item counts below are the content outline exactly as it is printed in the January 2026 bulletin, and they add to 115.
| Subject area | Items | Share of the paper |
|---|---|---|
| Procurement and Contracting Requirements | 31 | 27.0% |
| General Requirements | 25 | 21.7% |
| Site Construction | 15 | 13.0% |
| Concrete | 6 | 5.2% |
| Metals | 6 | 5.2% |
| Mechanical and Plumbing Systems | 6 | 5.2% |
| Wood | 5 | 4.3% |
| Thermal and Moisture Protection | 5 | 4.3% |
| Finishes | 5 | 4.3% |
| Masonry | 4 | 3.5% |
| Doors, Windows, and Glazing | 4 | 3.5% |
| Electrical Systems | 3 | 2.6% |
| Total | 115 | 100% |
Read the top two rows again. Procurement and Contracting Requirements plus General Requirements is 56 of 115 items, just under half the exam, and neither of them is trade knowledge. Concrete, masonry, metals, wood, finishes, doors and glazing together are 30 items. A builder with thirty years on commercial jobs who studies the way the job feels, heavy on structure and light on contracts, is preparing for the wrong exam.
Electrical Systems is three questions. Three. If you are budgeting study time by how much a subject scares you rather than by how many marks it carries, that is where the leak is.
How much time do you really get per question?
Work it through with the published inputs rather than the reassuring version.
- 330 minutes divided by 115 scored questions is 2 minutes 52 seconds each.
- Add the maximum ten experimental items and you are answering 125 questions in 330 minutes, which is 2 minutes 38 seconds each.
- Take 15 minutes off the front to lay out your books and settle, and it drops to about 2 minutes 31 seconds.
- Miss 34 and you still pass, so roughly one question in four can be surrendered on time grounds without failing.
That last line is the useful one. This is not an exam you win by answering everything. It is an exam you win by not spending nine minutes hunting one obscure lookup in the wrong book. The same arithmetic drives the Florida papers, which is why open book does not mean easy on either.
What can you carry in, and what can you do to the books?
The bulletin lists 24 approved titles for this exam. That is the defining feature of preparing for it, and it is a genuinely large library: the International Building Code, ACI 318, the Gypsum Construction Handbook, Modern Masonry, the NASCLA Contractors Guide to Business, Law and Project Management, and the 29 CFR Part 1926 construction standards among them. The books are not supplied at the test centre. You bring them, you carry them, and you find things in them under time pressure.
The marking rules are strict and specific. References may be highlighted, underlined and indexed. They must be otherwise unmarked, meaning nothing written in, and no loose or attached papers. Tabs are allowed only if they are permanent. Post-It notes are named in the bulletin as not allowed and have to come off before the exam will start, which is a miserable thing to discover at the door with a suitcase of books.
A silent, nonprinting, non-programmable calculator is permitted. The Florida rules on marking are close but not identical, so if you are sitting both, read what Florida allows you to do to your books separately rather than assuming one set of rules covers both.
One more trap that costs people real marks. The bulletin says you may answer from later editions of the references as they appear, except for code books, where questions are based only on the edition listed. That is the same edition trap that catches Florida candidates, and it is the difference between a confident wrong answer and a right one.
What does it cost, and how long is an approval good for?
| Item | What NASCLA publishes | Note |
|---|---|---|
| Application fee | $65 | Paid at ned.nascla.org |
| Processing time | Typically 7 business days | Before you can schedule |
| Approval validity | 1 year from approval date | Not from the date you apply |
| Attempts in that year | Up to 3 | To take and pass |
| State transcript | $45 per state | Valid for two years |
The application page is where these figures live and where they will change first, so check it on the day you pay. The examination fee itself is set through the test vendor and is quoted in several places at around $130, which we could not confirm against a NASCLA or vendor page inside this article’s research budget, so treat it as commonly quoted rather than verified.
The one year clock is the item that quietly costs money. Three attempts sounds generous until you notice they all have to happen inside twelve months of approval, and that a failed sitting plus a rebooking plus a fresh run at 24 books eats months. Florida’s own certification and registration requirements sit in chapter 61G4-15 of the Florida Administrative Code, and they are a separate process with separate deadlines, so do not assume one approval window covers both.
What should this change about how you prepare?
Four things follow directly from the outline, and none of them are what a course landing page leads with.
- Weight your practice to the contracting sections. 56 of 115 items sit in Procurement and Contracting Requirements and General Requirements. If half your revision is not there, your revision does not match the exam.
- Build a one page index of which book answers which kind of question, and learn that page cold. With 24 titles, knowing where to look is a bigger skill than knowing the answer.
- Tab permanently, in week one, and use those tabs from then on so navigation is automatic by exam day rather than something you are inventing under the clock.
- Practise abandoning questions. Missing 34 is a pass. Spending eight minutes on one lookup is how people who knew the material run out of time.
- Confirm with your own state agency before you pay. NASCLA says it plainly, and acceptance terms differ by state and by licence category.
If you are still deciding whether this exam is worth sitting at all rather than how to pass it, that is a different question, and whether a Florida contractor actually needs the NASCLA exam answers it properly. If your work never crosses a state line, the honest answer is usually no, and your time is better spent on the three Florida papers.
Frequently asked questions
Do I still need the Florida Business and Finance exam if I pass NASCLA?
Yes. The NASCLA exam substitutes for a state trade examination, not for business and law. The bulletin says candidates are expected to sit a business and law examination in addition and to follow each state agency’s own application process. Confirm the exact requirement with the Florida board before you pay for anything.
How many times can I sit the NASCLA exam?
NASCLA publishes up to three attempts within one year of the date your application is approved. The clock runs from approval, not from the date you applied or first sat, so a long gap between attempts can quietly use up the window.
Can I bring my own notes or photocopies into the exam?
No. The bulletin allows highlighting, underlining and indexing of the approved references, but they must be otherwise unmarked, with nothing written in and no loose or attached papers. Temporary tabs such as Post-It notes are specifically not allowed and must be removed before the exam begins.
Do the reference books have to be the exact editions listed?
For code books, yes. Questions are written to the listed edition only. For the other titles you may answer from a later edition as it becomes available. Working from a newer code book is one of the more expensive mistakes available, because it gives confident answers that are wrong for the exam.
Is a calculator allowed?
A silent, nonprinting, non-programmable calculator is permitted in the examination centre. Anything that prints, makes noise or can be programmed is not, and phones are not a substitute.
How long does a NASCLA pass stay useful?
The pass itself is stored in the National Examination Database. What expires is the transcript you buy from it, which NASCLA publishes at $45 per state and valid for two years. States set their own rules on how recent a score they will accept, so check with the agency you are applying to.
Rules and fees change without notice. This page was verified on the date shown and is rechecked on the weekly refresh. If you hit something different, tell us in the comments.
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