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CALIFORNIA CONCRETE SAWING AND
DRILLING CONTRACTOR LICENSE Exam –
Practice Questions & Verified Answers &
Detailed Rationales LATEST UPDATE THIS YEAR
CALIFORNIA CONCRETE SAWING AND DRILLING CONTRACTOR LICENSE
250 Practice Exam Questions with Verified Answers & Detailed Rationales
EXAM OVERVIEW
Category Details
Regulating Authority California Contractors State License Board (CSLB)
License Classification C-61/D-06 – Concrete Related Services (Limited Specialty)
Concrete sawing, core drilling, breaking, coring, restoration, and
Scope of Work
concrete pumping
Exam Requirements Business & Law Exam + Trade Exam (C-61)
Application Fee $450 (original application, as of July 2026)
Initial License Fee $200 (sole owner) or $350 (non-sole owner)
Exam Frequency Computerized exams given daily at multiple sites statewide
Re-Exam Fee $100 per exam
Minimum Project Contractor license required for projects $1,000 or more (labor +
Value materials)
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SECTION 1: CSLB LICENSING & REGULATIONS (Questions 1-50)
1. Which CSLB classification covers concrete sawing and core drilling services?
A) C-8 Concrete Contractor
B) C-61/D-06 Concrete Related Services
C) C-12 Earthwork and Paving
D) D-9 Drilling, Blasting and Oil Field Work
Answer: B
The C-61/D-06 classification is specifically defined to include concrete sawing, breaking, curing,
coring work, and concrete pumping services. The C-8 classification is for general concrete
construction, not specialized sawing and drilling.
2. What is the minimum project value that requires a California contractor license?
A) $500
B) $1,000
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C) $2,500
D) $5,000
Answer: B
As of January 1, 2025, California requires a contractor license for any project (labor and
materials) valued at $1,000 or more, raised from the previous $500 threshold by AB 2622.
3. What is the scope of work for a D-06 Concrete Related Services contractor?
A) Only concrete pumping
B) Only concrete sawing
C) Concrete sawing, breaking, curing, coring, restoration, and pumping
D) All concrete construction
Answer: C
The D-06 classification includes installing reusable steel concrete form sections, post-tensioning
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work, concrete sawing, breaking, curing, floor hardening treatment, coloring concrete, concrete
restoration, coring work, and concrete pumping services.
4. What is the application fee for a CSLB contractor license (as of July 2026)?
A) $250
B) $350
C) $450
D) $500
Answer: C
The original application fee for a CSLB contractor license is $450 as of July 2026.
5. What is the initial license fee for a sole owner contractor license?
A) $150
B) $200
CALIFORNIA CONCRETE SAWING AND
DRILLING CONTRACTOR LICENSE Exam –
Practice Questions & Verified Answers &
Detailed Rationales LATEST UPDATE THIS YEAR
CALIFORNIA CONCRETE SAWING AND DRILLING CONTRACTOR LICENSE
250 Practice Exam Questions with Verified Answers & Detailed Rationales
EXAM OVERVIEW
Category Details
Regulating Authority California Contractors State License Board (CSLB)
License Classification C-61/D-06 – Concrete Related Services (Limited Specialty)
Concrete sawing, core drilling, breaking, coring, restoration, and
Scope of Work
concrete pumping
Exam Requirements Business & Law Exam + Trade Exam (C-61)
Application Fee $450 (original application, as of July 2026)
Initial License Fee $200 (sole owner) or $350 (non-sole owner)
Exam Frequency Computerized exams given daily at multiple sites statewide
Re-Exam Fee $100 per exam
Minimum Project Contractor license required for projects $1,000 or more (labor +
Value materials)
,Page 2 of 173
SECTION 1: CSLB LICENSING & REGULATIONS (Questions 1-50)
1. Which CSLB classification covers concrete sawing and core drilling services?
A) C-8 Concrete Contractor
B) C-61/D-06 Concrete Related Services
C) C-12 Earthwork and Paving
D) D-9 Drilling, Blasting and Oil Field Work
Answer: B
The C-61/D-06 classification is specifically defined to include concrete sawing, breaking, curing,
coring work, and concrete pumping services. The C-8 classification is for general concrete
construction, not specialized sawing and drilling.
2. What is the minimum project value that requires a California contractor license?
A) $500
B) $1,000
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C) $2,500
D) $5,000
Answer: B
As of January 1, 2025, California requires a contractor license for any project (labor and
materials) valued at $1,000 or more, raised from the previous $500 threshold by AB 2622.
3. What is the scope of work for a D-06 Concrete Related Services contractor?
A) Only concrete pumping
B) Only concrete sawing
C) Concrete sawing, breaking, curing, coring, restoration, and pumping
D) All concrete construction
Answer: C
The D-06 classification includes installing reusable steel concrete form sections, post-tensioning
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work, concrete sawing, breaking, curing, floor hardening treatment, coloring concrete, concrete
restoration, coring work, and concrete pumping services.
4. What is the application fee for a CSLB contractor license (as of July 2026)?
A) $250
B) $350
C) $450
D) $500
Answer: C
The original application fee for a CSLB contractor license is $450 as of July 2026.
5. What is the initial license fee for a sole owner contractor license?
A) $150
B) $200
