Which agency manages contractor licensing for roofing contractors in California?
State Law
Question · Easy
OSHA fall heights, to scale
Short
Free Roofing Contractor Practice Test by State 2026: 1,900+ Questions
Free roofing contractor license practice tests for 19 states in 2026. Over 1,900 questions on roofing systems, safety, building codes, estimating, and state business law.
Blog
What license classification does a California roofing contractor hold?
Chapter 1: Planning, Codes, and Roofing Estimating
1.1 California Building Codes, Title 24 Energy Standards, and Plan Reading
Study guide
What is the minimum passing score required on each section of the California C-39 roofing contractor exam?
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Podcast
How many years of journey-level experience are required to apply for a California C-39 roofing contractor license?
What is the minimum contractor bond amount required for a California C-39 roofing contractor?
Question · Medium
Six feet: a hard-hat anthem
What is the minimum project cost that requires a contractor license in California as of 2025?
1.2 Roof Geometry, Area Calculations, and Pitch Multipliers
Under California mechanics lien law, what is the deadline for a general contractor to record a mechanics lien after completion of the project?
A subcontractor on a California roofing project must serve a preliminary notice within how many days of first furnishing labor or materials?
Question · Hard
What penalty can a person face for contracting without a license in California?
Under California law, what is the maximum allowed down payment a contractor can collect for a home improvement contract?
Business Practices
1.3 Material Takeoffs, Squares, and Waste Calculations
What is the primary purpose of an asphalt shingle's self-sealing strip?
Materials Methods
What is the standard exposure for a three-tab asphalt shingle?
Which roofing system is classified as a steep-slope application?
Roofing Systems
What is the minimum roof slope generally required for asphalt shingle installation?
1.4 Roof System Selection, Specifications, Permits, and Project Scheduling
Which type of underlayment is required in valleys and along eaves in areas prone to ice damming per California Building Code?
Building Codes
What is the main advantage of TPO (Thermoplastic Polyolefin) roofing membrane?
In a built-up roofing (BUR) system, what are the alternating layers typically composed of?
What is the typical number of plies in a standard built-up roof (BUR) system?
1.5 Labor Production Rates, Overhead, Profit, and Roofing Bid Pricing
What is the primary difference between SBS and APP modified bitumen roofing?
Which single-ply membrane is known for its excellent resistance to chemicals, grease, and oils?
What type of flashing is installed where a roof meets a vertical wall?
What is the purpose of a drip edge on a roof?
Chapter 2: Job Site Preparation and Substrate Remediation
2.1 Jobsite Protection, Material Staging, and Temporary Weatherproofing
In an open valley installation, what is the minimum recommended width of exposed metal valley flashing?
What is the recommended minimum headlap for standard asphalt shingles?
What is the proper nailing zone for standard three-tab asphalt shingles?
How many nails per shingle are typically required for standard asphalt shingle installation in a normal wind zone?
2.2 Tear-Off Procedures, Overlay Limitations, and Hazardous Materials
What is the minimum roof pitch at which concrete or clay tiles can typically be installed?
What type of roof deck is most commonly used in residential construction in California?
When installing a new roof over an existing one (re-roofing), what is the maximum number of roof layers allowed by the California Building Code for asphalt shingles?
What is the minimum fire rating required for roofing materials in a California Wildland-Urban Interface (WUI) fire hazard area?
2.3 Roof Deck Inspection, Substrate Preparation, and Sheathing Repairs
Which class of fire rating provides the highest level of fire resistance for roofing assemblies?
What California regulation establishes energy efficiency requirements for cool roofs?
What are the minimum solar reflectance and thermal emittance requirements for a cool roof on a steep-slope residential building in California Climate Zone 10-15?
Per Cal/OSHA, at what height must fall protection be provided for roofing work?
Safety Osha
Chapter 3: Low-Slope Roof Systems — Built-Up, Modified Bitumen, and Single-Ply
3.1 Built-Up Roofing (BUR) Systems, Felts, and Hot Bitumen Application
Which type of fall protection system uses a full-body harness, lanyard, and anchor point?
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