MASSACHUSETTS CONSTRUCTION SUPERVISOR &
BUILDING CODE KEY FACTS & REGULATIONS 2026–
2027 | CSL EXAM 300 ACTUAL QUESTIONS AND
CORRECT WITH RATIONALE LATEST UPDATE
ALREADY GRADED A+
This Massachusetts Construction Supervisor License (CSL) practice exam offers
300 unique multiple-choice questions with answers and detailed rationales,
organized into eight sections covering code administration, building construction,
sitework, framing, energy efficiency, fire protection, OSHA safety, and business
law. Based on the 10th Edition of 780 CMR (2021 IBC/IRC), it mirrors the open-
book PSI exam format for Unrestricted, Restricted, and Specialty licenses. Use this
unofficial study aid to master code lookups, identify weak areas, and build
confidence. Good luck.
Section 1: Code Administration and Licensing (Questions 1–40)
1. According to the Massachusetts State Building Code, what is the maximum
enclosed space volume for which an Unrestricted Construction Supervisor License
holder may supervise construction?
A. 25,000 cubic feet
B. 35,000 cubic feet
C. 50,000 cubic feet
D. 75,000 cubic feet
Correct Answer: B
Rationale: The Unrestricted CSL scope explicitly includes buildings containing
less than 35,000 cubic feet of enclosed space. This is a fundamental scope
limitation established in 780 CMR.
2. Which Massachusetts agency is responsible for issuing and regulating the
Unrestricted Construction Supervisor License?
A. Massachusetts Department of Public Safety
,B. Board of Building Regulations and Standards (BBRS)
C. Division of Occupational Licensure
D. Massachusetts Attorney General's Office
Correct Answer: B
Rationale: The BBRS, operating under the Executive Office of Housing and
Economic Development, has the statutory authority for licensing, enforcement, and
disciplinary actions regarding Construction Supervisor Licenses.
3. What is the minimum age requirement to obtain a Massachusetts Unrestricted
CSL?
A. 16 years old
B. 18 years old
C. 21 years old
D. 25 years old
Correct Answer: B
Rationale: Candidates must be at least 18 years old at the time of application or
examination to be eligible for any Construction Supervisor License in
Massachusetts.
4. How many years of full-time experience in building construction or design are
required to qualify for the Unrestricted CSL?
A. 2 years
B. 3 years
C. 4 years
D. 5 years
Correct Answer: B
Rationale: Candidates must demonstrate at least three years (approximately 4,500
hours) of full-time experience in building construction or design within the ten-
year period prior to application.
5. A candidate holds a bachelor's degree in architecture. How much experience
credit can they receive toward the CSL requirement?
A. No credit
B. One year
C. Two years
D. Three years
,Correct Answer: C
Rationale: A bachelor's degree in architecture, science, engineering, or technology
in a related field qualifies as two years of work experience toward the three-year
requirement. Education can satisfy a maximum of two years.
6. What is the scope of authority for a holder of a Restricted CSL (One- and Two-
Family Dwelling) license?
A. Buildings containing less than 35,000 cubic feet of enclosed space
B. Any one- and two-family dwellings or accessory buildings thereto, irrespective
of size
C. Any building regardless of size or occupancy
D. Only one-family dwellings under 35,000 cubic feet
Correct Answer: B
Rationale: Table 110.R5.1 of 780 CMR explicitly limits the Restricted CSL to one
and two-family dwellings or any accessory building, regardless of size.
7. Which chapter of 780 CMR establishes the jurisdiction and authority of the
building official?
A. Chapter 1 - General Provisions
B. Chapter 2 - Definitions
C. Chapter 3 - Administration
D. Chapter 4 - Permit Procedures
Correct Answer: C
Rationale: Chapter 3 of 780 CMR outlines the administration of the code,
including the authority of the building official.
8. A Construction Supervisor License candidate must have at least three years of
experience within what time period prior to application?
A. The past 5 years
B. The past 10 years
C. The past 15 years
D. No time limit
Correct Answer: B
Rationale: The BBRS requires three years of full-time (40 hours/week) building
construction or design experience within the ten-year period prior to application.
9. What is the initial license fee for a CSL in Massachusetts?
, A. $75
B. $100
C. $150
D. $200
Correct Answer: C
Rationale: The initial BBRS license fee is $150, which is separate from the PSI
exam fee.
10. What is the CSL renewal cycle in Massachusetts?
A. Every year
B. Every two years
C. Every three years
D. Every five years
Correct Answer: B
Rationale: The CSL must be renewed every two years (biennial renewal).
11. How many hours of continuing education are required for Unrestricted CSL
renewal?
A. 6 hours
B. 10 hours
C. 12 hours
D. 16 hours
Correct Answer: C
Rationale: Unrestricted Construction Supervisors are required to have 12 hours of
continuing education per renewal cycle (6 mandatory, 6 electives).
12. How many hours of continuing education are required for Restricted CSL
renewal?
A. 6 hours
B. 10 hours
C. 12 hours
D. 16 hours
Correct Answer: B
Rationale: Restricted Construction Supervisors must have 10 hours of continuing
education per renewal cycle.
BUILDING CODE KEY FACTS & REGULATIONS 2026–
2027 | CSL EXAM 300 ACTUAL QUESTIONS AND
CORRECT WITH RATIONALE LATEST UPDATE
ALREADY GRADED A+
This Massachusetts Construction Supervisor License (CSL) practice exam offers
300 unique multiple-choice questions with answers and detailed rationales,
organized into eight sections covering code administration, building construction,
sitework, framing, energy efficiency, fire protection, OSHA safety, and business
law. Based on the 10th Edition of 780 CMR (2021 IBC/IRC), it mirrors the open-
book PSI exam format for Unrestricted, Restricted, and Specialty licenses. Use this
unofficial study aid to master code lookups, identify weak areas, and build
confidence. Good luck.
Section 1: Code Administration and Licensing (Questions 1–40)
1. According to the Massachusetts State Building Code, what is the maximum
enclosed space volume for which an Unrestricted Construction Supervisor License
holder may supervise construction?
A. 25,000 cubic feet
B. 35,000 cubic feet
C. 50,000 cubic feet
D. 75,000 cubic feet
Correct Answer: B
Rationale: The Unrestricted CSL scope explicitly includes buildings containing
less than 35,000 cubic feet of enclosed space. This is a fundamental scope
limitation established in 780 CMR.
2. Which Massachusetts agency is responsible for issuing and regulating the
Unrestricted Construction Supervisor License?
A. Massachusetts Department of Public Safety
,B. Board of Building Regulations and Standards (BBRS)
C. Division of Occupational Licensure
D. Massachusetts Attorney General's Office
Correct Answer: B
Rationale: The BBRS, operating under the Executive Office of Housing and
Economic Development, has the statutory authority for licensing, enforcement, and
disciplinary actions regarding Construction Supervisor Licenses.
3. What is the minimum age requirement to obtain a Massachusetts Unrestricted
CSL?
A. 16 years old
B. 18 years old
C. 21 years old
D. 25 years old
Correct Answer: B
Rationale: Candidates must be at least 18 years old at the time of application or
examination to be eligible for any Construction Supervisor License in
Massachusetts.
4. How many years of full-time experience in building construction or design are
required to qualify for the Unrestricted CSL?
A. 2 years
B. 3 years
C. 4 years
D. 5 years
Correct Answer: B
Rationale: Candidates must demonstrate at least three years (approximately 4,500
hours) of full-time experience in building construction or design within the ten-
year period prior to application.
5. A candidate holds a bachelor's degree in architecture. How much experience
credit can they receive toward the CSL requirement?
A. No credit
B. One year
C. Two years
D. Three years
,Correct Answer: C
Rationale: A bachelor's degree in architecture, science, engineering, or technology
in a related field qualifies as two years of work experience toward the three-year
requirement. Education can satisfy a maximum of two years.
6. What is the scope of authority for a holder of a Restricted CSL (One- and Two-
Family Dwelling) license?
A. Buildings containing less than 35,000 cubic feet of enclosed space
B. Any one- and two-family dwellings or accessory buildings thereto, irrespective
of size
C. Any building regardless of size or occupancy
D. Only one-family dwellings under 35,000 cubic feet
Correct Answer: B
Rationale: Table 110.R5.1 of 780 CMR explicitly limits the Restricted CSL to one
and two-family dwellings or any accessory building, regardless of size.
7. Which chapter of 780 CMR establishes the jurisdiction and authority of the
building official?
A. Chapter 1 - General Provisions
B. Chapter 2 - Definitions
C. Chapter 3 - Administration
D. Chapter 4 - Permit Procedures
Correct Answer: C
Rationale: Chapter 3 of 780 CMR outlines the administration of the code,
including the authority of the building official.
8. A Construction Supervisor License candidate must have at least three years of
experience within what time period prior to application?
A. The past 5 years
B. The past 10 years
C. The past 15 years
D. No time limit
Correct Answer: B
Rationale: The BBRS requires three years of full-time (40 hours/week) building
construction or design experience within the ten-year period prior to application.
9. What is the initial license fee for a CSL in Massachusetts?
, A. $75
B. $100
C. $150
D. $200
Correct Answer: C
Rationale: The initial BBRS license fee is $150, which is separate from the PSI
exam fee.
10. What is the CSL renewal cycle in Massachusetts?
A. Every year
B. Every two years
C. Every three years
D. Every five years
Correct Answer: B
Rationale: The CSL must be renewed every two years (biennial renewal).
11. How many hours of continuing education are required for Unrestricted CSL
renewal?
A. 6 hours
B. 10 hours
C. 12 hours
D. 16 hours
Correct Answer: C
Rationale: Unrestricted Construction Supervisors are required to have 12 hours of
continuing education per renewal cycle (6 mandatory, 6 electives).
12. How many hours of continuing education are required for Restricted CSL
renewal?
A. 6 hours
B. 10 hours
C. 12 hours
D. 16 hours
Correct Answer: B
Rationale: Restricted Construction Supervisors must have 10 hours of continuing
education per renewal cycle.
