Trade licensing overview · mason
How mason licensing works — Idaho
How this trade is regulated in Idaho. none-in-pilot-states The framework below describes the national pathway most masons in Idaho follow.
Masonry is not a person-level licensed trade in most U.S. states. Masons typically work under a contractor's license when self-employed above a state dollar threshold, and prove skill through BAC/IMI apprenticeship completion, employer testing, or product-council certifications (PCC, NCMA, refractory programs).
STATE LICENSE STATUS
No pilot state (TX, CA, FL, NY, IL) issues a person-level mason license. A mason working for an employer needs no state card. A mason contracting on their own generally falls under state contractor licensing once jobs exceed a dollar threshold. California licenses masonry contractors through the Contractors State License Board under Classification C-29 Masonry (https://www.cslb.ca.gov). Florida issues a Specialty Masonry Contractor registration at the local (county/municipal) level rather than a statewide certified license; statewide certification covers Building Contractors and General Contractors under the Construction Industry Licensing Board (https://www.myfloridalicense.com/DBPR/construction-industry). North Carolina's Building Contractor license (Limited/Intermediate/Unlimited) covers masonry contracting above $40,000 through the NC Licensing Board for General Contractors (https://nclbgc.org). Texas and Illinois have no statewide masonry contractor license; rules are set by municipality. New York has no state mason license; New York City requires contractor business registration through the Department of Buildings (https://www.nyc.gov/site/buildings/index.page).
BAC / IMI APPRENTICESHIP
The International Union of Bricklayers and Allied Craftworkers (BAC) and the International Masonry Institute (IMI) jointly operate registered apprenticeship programs for the union craft (https://bacweb.org, https://imiweb.org). Apprenticeship is typically three years (roughly 4,800 to 6,000 on-the-job hours plus related technical instruction), with BAC Locals administering intake and IMI delivering technical training at regional training centers and the national John J. Flynn BAC/IMI International Training Center in Bowie, Maryland (https://imiweb.org/training). BAC recognizes distinct craft categories: bricklayer, stonemason, cement mason, plasterer, tile finisher/setter, terrazzo finisher/worker, marble mason, pointer/cleaner/caulker (PCC), and mosaic worker (https://bacweb.org/trades). IMI issues specialty craft certifications including the PCC (Pointing, Cleaning, and Caulking) program, tile and terrazzo certifications, and refractory credentials tracked in the DOL RAPIDS registered-apprenticeship system (https://www.apprenticeship.gov/apprenticeship-job-finder).
SPECIALTY SUBFIELDS
Refractory masonry covers high-temperature industrial linings in furnaces, boilers, coke ovens, cement kilns, and petrochemical units. BAC/IMI runs a dedicated refractory apprenticeship track administered through the International Council of Employers of Bricklayers and Allied Craftworkers (ICE) and IMI (https://imiweb.org). Refractory work often ties to shutdowns/turnarounds and pays travel and per-diem terms set by local collective bargaining agreements. Historic restoration is a second specialty track: BAC/IMI offers historic preservation and restoration training aligned with Secretary of the Interior's Standards for the Treatment of Historic Properties (https://www.nps.gov/orgs/1739/secretary-standards.htm). PCC (pointer/cleaner/caulker) work is a BAC-recognized craft focused on repointing mortar joints, cleaning masonry facades, and sealant installation on existing structures (https://bacweb.org/trades). Tile, terrazzo, and marble finishing sit under separate BAC craft categories with their own apprenticeship curricula and IMI certification paths (https://imiweb.org/training).
SAFETY
Masonry work is covered by OSHA's Respirable Crystalline Silica standard for construction, 29 CFR 1926.1153 (https://www.osha.gov/silica-crystalline/construction). Cutting, grinding, chipping, or tuckpointing brick, block, concrete, stone, and mortar generates respirable silica. Employers must either follow Table 1 engineering-control and respirator specifications for listed tasks (wet cutting, integrated vacuum dust collection, enclosed cabs) or conduct exposure assessments under the alternative-exposure-control path (https://www.osha.gov/sites/default/files/publications/OSHA3902.pdf). The Permissible Exposure Limit is 50 micrograms per cubic meter (8-hour TWA) with an action level of 25 micrograms per cubic meter (https://www.osha.gov/laws-regs/regulations/standardnumber/1926/1926.1153). OSHA 10-hour Construction is a common site entry requirement; OSHA 30-hour is standard for foremen and lead masons (https://www.osha.gov/training/outreach). Scaffold user training under 29 CFR 1926.451 applies to nearly every commercial masonry job (https://www.osha.gov/laws-regs/regulations/standardnumber/1926/1926.451).
NON-UNION PATHWAY
The Mason Contractors Association of America (MCAA) is the principal non-union trade association and delivers the Masonry Skills Challenge, the Certified Masonry Estimator program, and the Masonry Foreman / Project Manager curriculum (https://masoncontractors.org). The National Concrete Masonry Association (NCMA) publishes technical design references (TEK notes) and runs training for concrete masonry unit (CMU) installation and dry-stack / ICF hybrid systems (https://ncma.org). NCCER publishes competency-based masonry curricula used by many trade schools and non-union employer training programs (https://www.nccer.org). Non-union masons can also pursue registered apprenticeship through non-BAC sponsors listed in the DOL RAPIDS finder (https://www.apprenticeship.gov/apprenticeship-job-finder). The BLS Occupational Outlook Handbook groups brickmasons, blockmasons, and stonemasons under SOC 47-2021 and describes entry through apprenticeship, technical school, or on-the-job training (https://www.bls.gov/ooh/construction-and-extraction/brickmasons-blockmasons-and-stonemasons.htm).