- The MA-CSL exam covers 14 content areas across 75 scored multiple-choice items in 240 minutes.
- General Building Construction Knowledge and Associated Trades are the two largest domains, at 8 scored items each.
- A cut score of 53 correct (70%) is required to pass; the other 12 domains share the remaining 59 scored items.
- The outline is built on the Massachusetts 10th Edition Building Code and the associated 2021 I-codes.
Overview: 14 Domains, 75 Scored Items
Every candidate sitting for the Massachusetts Unrestricted Construction Supervisor License exam is tested across the same 14 content areas, drawn directly from the February 2026 candidate handbook published by PSI on behalf of the Massachusetts Board of Building Regulations and Standards (BBRS). The exam itself contains 75 scored multiple-choice questions, plus four to seven unscored experimental items mixed in so you can't tell which questions count and which are being field-tested. You'll have 240 minutes to work through everything.
Unlike many licensing exams that lump code knowledge into a handful of broad buckets, the MA-CSL outline breaks construction supervision into 14 distinct domains - from administrative code compliance to jobsite safety. Understanding how these domains are structured, and how heavily each is weighted, is the single most useful thing you can do before you start building a study plan. For a broader look at how difficult the exam is overall, see How Hard Is the MA-CSL Exam? Complete Difficulty Guide 2026.
How the Exam Blueprint Is Weighted
The candidate handbook doesn't publish a fixed item count for every domain, but it does confirm that two domains carry the heaviest weight: General Building Construction Knowledge and Associated Trades, each contributing 8 scored items to the 75-item exam. Together those two domains alone account for 16 of your 75 scored questions - meaning the other 12 domains share the remaining 59 items.
That distribution tells you something important: the exam is not testing one narrow specialty. It's testing whether you understand the full arc of a construction project, from site prep through finish trades through fire and life safety, with slightly heavier emphasis on general construction knowledge and the "associated trades" that touch nearly every job - interior and exterior finishes, and windows and doors.
| Domain | Focus Area | Relative Weight |
|---|---|---|
| 3. General Building Construction Knowledge | Cross-trade construction fundamentals | 8 scored items (largest) |
| 11. Associated Trades | Interior/exterior finishes, windows & doors | 8 scored items (largest) |
| Domains 1, 2, 4-10, 12-14 | Administrative, technical, and safety topics | Share remaining 59 items |
For a full explanation of the passing threshold itself and how it's calculated, see MA-CSL Passing Score 2026: Exactly What You Need to Pass.
Domain-by-Domain Breakdown
Here's what each of the 14 domains actually asks you to know, based on the current outline tied to the Massachusetts 10th Edition Building Code and its associated 2021 I-codes.
Domain 1: Massachusetts Administrative Responsibilities (780 CMR)
This domain covers the supervisor's legal and procedural obligations under 780 CMR - the Massachusetts amendments to the building code - including permitting, inspection triggers, and the scope of what a Construction Supervisor License authorizes you to do.
- Permit and inspection sequencing under 780 CMR
- Supervisor duties and liability on a licensed project
Domain 2: Plan Reading and Estimating
Expect questions on interpreting construction drawings, symbols, and specifications, plus basic quantity takeoffs and estimating logic used to price and sequence work.
- Reading elevations, sections, and schedules
- Basic material quantity and cost estimating
Domain 3: General Building Construction Knowledge
The largest domain at 8 scored items. It spans construction sequencing, terminology, and methods that don't fit neatly into a single trade - the connective tissue of a supervisor's job.
- Construction phasing and coordination between trades
- General code terminology and building classifications
Domain 4: Energy Efficiency
This area draws on the energy provisions incorporated into the 10th Edition code, covering insulation requirements, air sealing, and envelope performance basics.
- Insulation R-values by assembly type
- Air barrier and vapor retarder placement
Domain 5: Accessibility
Accessibility questions test your familiarity with accessible route, clearance, and fixture requirements as they apply to Massachusetts construction projects.
- Accessible route and clear floor space minimums
- Bathroom and doorway accessibility requirements
Domain 6: Sitework and Foundations
Covers excavation, footing design basics, soil considerations, and foundation drainage - the groundwork that everything above depends on.
- Footing depth and frost protection
- Foundation drainage and dampproofing basics
Domain 7: Concrete and Masonry
Concrete mix and curing fundamentals plus masonry wall construction, reinforcement, and detailing show up here.
- Concrete reinforcement and curing basics
- Masonry veneer and cavity wall detailing
Domain 8: Moisture Intrusion/Protection
Flashing, water-resistive barriers, and waterproofing strategies for keeping water out of the building envelope.
- Flashing details at penetrations and transitions
- Water-resistive barrier installation sequencing
Domain 9: Structural Framing (Steel and Wood)
Load paths, framing connections, and the differences between wood and light-gauge steel framing systems.
- Load path from roof to foundation
- Framing connection hardware and fastening schedules
Domain 10: Roofing/Exterior Walls
Roof covering systems, underlayment, and exterior wall cladding assemblies as governed by the code.
- Roof covering and underlayment requirements
- Exterior wall cladding and drainage plane basics
Domain 11: Associated Trades
Tied for the largest domain at 8 scored items, this covers interior and exterior finishes along with windows and doors - the trades that touch nearly every construction supervisor's day-to-day.
- Interior finish materials and installation standards
- Window and door rough-in, flashing, and egress requirements
Domain 12: Interior Environment (Mechanical and Ventilation)
Basic mechanical and ventilation code minimums relevant to a supervisor coordinating with licensed trades.
- Ventilation rate minimums by room type
- Coordination points with mechanical subcontractors
Domain 13: Fire Protection
Fire-rated assemblies, fire separation distances, and means of egress requirements that a supervisor must enforce on site.
- Fire-rated wall and floor assembly requirements
- Means of egress width and travel distance basics
Domain 14: Safety OSHA
Jobsite safety fundamentals a construction supervisor is responsible for enforcing, including fall protection and general OSHA construction standards.
- Fall protection triggers and requirements
- General jobsite safety and hazard communication basics
Key Takeaway
Don't study the 14 domains as equally weighted trivia. Spend proportionally more review time on Domain 3 (General Building Construction Knowledge) and Domain 11 (Associated Trades), since together they account for 16 of your 75 scored items.
Open-Book Format and What You Can Bring
The MA-CSL exam is open book, which changes how you should prepare relative to a closed-book licensing test. You are responsible for supplying the listed references yourself, and you're permitted to use permanent tabs along with prewritten highlighting or annotations already in your books. What you cannot do is bring loose paper, use temporary tabs, or write in your references during the actual testing session.
This means your prep time should be split between two skills: understanding the concepts tested in each of the 14 domains, and building a tabbing/annotation system in your reference books so you can locate the right section of the Massachusetts 10th Edition Building Code (and the associated 2021 I-codes) within seconds - not minutes - during the 240-minute exam.
For a deeper walkthrough of building an effective open-book strategy across all 14 areas, see MA-CSL Study Guide 2026: How to Pass on Your First Attempt, and for a condensed reference you can review the night before, check MA-CSL Cheat Sheet 2026: One-Page Review of Must-Know Facts.
Registration, Fees, and Eligibility Recap
Before you can sit for the domain content described above, you need to clear the Massachusetts BBRS eligibility requirements. The application fee is $23, and the Unrestricted exam fee itself is $75. Applicants must be at least 18 years old and document 36 months of full-time building construction or design experience within the preceding 10 years. Qualifying education can substitute for up to 24 months of that requirement, but at least 12 months of hands-on experience is always required no matter how much education you have.
- Application fee: $23
- Unrestricted exam fee: $75
- Minimum age: 18
- Experience: 36 months within the preceding 10 years (education may offset up to 24 months)
These logistics matter for domain prep because your work experience often maps directly onto the domains you're already comfortable with - and the ones you're weaker in, based on which trades you've actually worked. For the full eligibility breakdown, see MA-CSL Requirements 2026: Eligibility, Prerequisites & How to Qualify, and for a complete cost picture beyond the exam fee itself, see MA-CSL Certification Cost 2026: Complete Pricing Breakdown.
Mapping Study Time to the Domains
Rather than studying all 14 domains in the order they're listed, it makes more sense to schedule review time based on domain weight and how far each topic sits from your day-to-day trade experience. A general contractor with heavy framing and roofing background, for example, should push earlier study time toward Domains 1, 4, 5, and 14, where code-specific administrative and safety knowledge - not hands-on experience - carries the most weight.
Administrative and Documentation Domains
- Domain 1: Massachusetts Administrative Responsibilities (780 CMR)
- Domain 2: Plan Reading and Estimating
Highest-Weight Domains
- Domain 3: General Building Construction Knowledge (8 items)
- Domain 11: Associated Trades (8 items)
Structural and Envelope Domains
- Domains 6, 7, 8, 9, and 10: sitework, concrete/masonry, moisture, framing, roofing/walls
Systems, Life Safety, and Practice Exams
- Domains 4, 5, 12, 13, and 14
- Full-length timed practice tests on the main MA-CSL practice test site
Running full-length timed practice sessions on our practice test platform before your official test date is one of the best ways to confirm your reference-tabbing system actually holds up under the 240-minute clock, and to see which of the 14 domains keeps tripping you up.
After You Pass: Licensing and Renewal
Results are issued immediately after you finish the exam, so you'll know right away whether you cleared the 53-correct cut score. If you don't pass, Massachusetts allows you to retake the exam on a later day - there's no need to panic about a single sitting. If you do pass, don't sit on it: a passing score must be converted into an actual license within one year, or you'll need to test again.
Once licensed, the Unrestricted CSL renews every two years, and renewal requires 12 hours of approved continuing education - a reminder that the 14 domains covered on the exam reflect an ongoing professional obligation, not a one-time hurdle.
To understand what this license opens up professionally, see MA-CSL Jobs and Is the MA-CSL Certification Worth It? Complete ROI Analysis 2026. For scheduling specifics around testing windows and deadlines, see MA-CSL Exam Dates 2026: Testing Windows, Deadlines & Scheduling.
FAQ
There are 14 content domains, spanning administrative code knowledge, plan reading, and technical construction topics, tested across 75 scored multiple-choice items.
General Building Construction Knowledge (Domain 3) and Associated Trades (Domain 11) are the largest, each with 8 scored items - 16 of the 75 total.
Yes. The outline is built around the Massachusetts 10th Edition Building Code and the associated 2021 I-codes, which is what your open-book references should be based on.
You can bring the listed references with permanent tabs and prewritten highlighting or annotations, but loose paper, temporary tabs, and writing in references during the test are not allowed.
Scoring is based on the total 75-item exam, not domain-by-domain pass/fail. If your overall score falls below 53 correct, you can retake the full exam on a later day.