Oregon Plumbing Workforce: Statistics and Trends

Oregon's licensed plumbing workforce operates within a structured credentialing system administered by the Oregon Building Codes Division, with workforce size, demographic composition, and employment concentration shaped by state licensing law, apprenticeship pipeline capacity, and regional construction demand. This page covers the workforce data landscape for Oregon plumbing — including employment figures, trade composition, geographic distribution, and labor market dynamics — as a reference for industry professionals, researchers, policymakers, and service seekers navigating the sector. Understanding how workforce statistics are generated and classified matters for workforce planning, jurisdictional compliance, and apprenticeship program evaluation.

Definition and scope

The Oregon plumbing workforce encompasses all individuals who hold active credentials issued under Oregon Revised Statutes Chapter 693 and administered through the Oregon Building Codes Division (BCD) under the Oregon Department of Consumer and Business Services (DCBS). The workforce is segmented into distinct license categories — Journeyman Plumber, Apprentice Plumber, Supervising Plumber, and Contractor — each carrying different authorization scopes. Medical gas piping and cross-connection control work add further credential layers, as detailed in the Oregon Plumbing License Types and Requirements reference.

Workforce statistics for Oregon plumbing derive from two primary data streams: active licensee counts maintained by BCD and occupational employment data published by the Oregon Employment Department (OED) and the U.S. Bureau of Labor Statistics (BLS). These two streams measure different populations — BCD counts credentialed individuals regardless of current employment status, while BLS Occupational Employment and Wage Statistics (OEWS) estimate employed workers in the Standard Occupational Classification (SOC) code 47-2152 (Plumbers, Pipefitters, and Steamfitters).

Scope limitations: This page covers workforce data specific to Oregon state. Federal employees working on federal property, tribal jurisdiction workers, and individuals performing plumbing work exempt from Oregon licensing under ORS 693 are not fully captured in state licensee counts. Interstate reciprocity holders from neighboring states working temporarily in Oregon may appear in BCD counts but not in OED wage surveys. Adjacent workforce data — such as HVAC, mechanical, or electrical trade employment — falls outside this page's scope.

How it works

Oregon's licensed plumber workforce is tracked through a combination of regulatory recordkeeping and labor market surveys. BCD maintains a real-time license database updated as credentials are issued, renewed, or lapsed. The OED publishes Oregon-specific OEWS data annually, disaggregated to the metropolitan statistical area (MSA) level, allowing comparison between the Portland-Vancouver-Hillsboro MSA, the Eugene-Springfield MSA, and non-metropolitan Oregon regions.

According to BLS OEWS state data, Oregon employed approximately 9,390 plumbers, pipefitters, and steamfitters as of the 2023 survey reference period, with a mean hourly wage of $43.57 (BLS OEWS, May 2023). The Portland-Vancouver-Hillsboro MSA accounts for the largest single concentration, consistent with its status as Oregon's primary construction market.

Workforce pipeline dynamics are governed by registered apprenticeship programs — principally through the Oregon Apprenticeship and Training Division (ATD) under the Oregon Bureau of Labor and Industries (BOLI). Plumbing apprenticeships typically run 4 to 5 years, combining 8,000 hours of on-the-job training with 576 or more classroom hours, as outlined in standards registered with BOLI ATD. The Oregon Plumbing Apprenticeship Programs reference covers program structure and sponsor organizations in detail.

The workforce data production cycle follows this structure:

  1. BCD license issuance — Applications processed; new credentials entered into active licensee database
  2. BCD annual license renewal — Inactive practitioners exit counts; continuing education compliance verified
  3. BOLI ATD apprentice registration — New apprentices registered; completion rates tracked by sponsor
  4. OED quarterly employment surveys — Covered employers report employment and wages by occupation
  5. BLS OEWS annual publication — State and MSA-level estimates released for prior survey year
  6. Workforce gap analysis — Compiled by OED and Associated General Contractors, Oregon chapter, for construction labor forecasting

Common scenarios

Urban concentration vs. rural scarcity: The Portland metro area holds a disproportionate share of Oregon's licensed plumbing workforce, while counties in eastern Oregon and the southern coast routinely report difficulty sourcing licensed journeymen for commercial projects. The Oregon Plumbing in Local Context reference addresses regional distribution in greater depth. Rural shortage affects permit inspection timelines, as the regulatory framework for permitting and inspection depends on licensed contractor availability.

Aging workforce and retirement pressure: BLS projects a 2% employment growth rate nationally for plumbers, pipefitters, and steamfitters through 2032 (BLS Occupational Outlook Handbook, Plumbers), but Oregon's construction pipeline adds additional demand pressure beyond the national baseline. A significant share of Oregon's journeyman population holds licenses issued before 2005, suggesting succession planning is a structural concern for contractor firms.

Apprenticeship throughput gaps: BOLI ATD data show that plumbing apprenticeship completions in Oregon have historically tracked below registered starts, with attrition concentrated in the first and second years of a 4- to 5-year program. Contractor bond and insurance requirements, covered at Oregon Plumbing Contractor Bond and Insurance, affect the capacity of small firms to maintain apprentice ratios.

Specialty credential scarcity: Medical gas piping certification and backflow assembly tester credentials represent sub-specialties within the licensed workforce that are tracked separately by BCD. Demand for medical gas piping work in healthcare construction, and for backflow prevention testing in commercial settings, often outpaces the supply of credentialed practitioners in non-metro areas.

Decision boundaries

Interpreting Oregon plumbing workforce statistics requires distinguishing between overlapping data categories and recognizing where BCD counts diverge from labor market employment figures.

BCD licensee count vs. BLS employment estimate: BCD counts all active credential holders, including those who are retired, temporarily unemployed, or employed in managerial roles not performing field work. BLS OEWS counts individuals employed and performing trade work during the survey reference period. The two figures are not interchangeable.

Journeyman vs. apprentice workforce composition: Journeyman Plumbers and Apprentice Plumbers are tracked separately by BCD. Apprentices are authorized to perform work only under Journeyman or Supervising Plumber supervision, making apprentice headcount an incomplete proxy for productive workforce capacity. The Oregon Plumbing Union and Trade Associations reference covers how trade union membership intersects with apprenticeship enrollment.

Contractor license vs. individual license: Oregon requires separate contractor licensing for business entities performing plumbing work, administered through Oregon CCB (Construction Contractors Board) and BCD. A single contractor entity may employ 15 licensed journeymen or 1; contractor headcount does not equal workforce headcount.

Geographic scope of state data: Statewide figures published by OED and BLS mask significant sub-state variation. MSA-level data for Eugene-Springfield, Medford, Bend, and Salem-Keizer are available from BLS OEWS and provide more granular labor market signals for regional workforce planning. Non-metropolitan Oregon counties are aggregated into a single residual category in BLS state-level tables.

The Oregon Plumbing Regulatory Context page covers the statutory and administrative framework that governs how workforce credentials are issued, tracked, and enforced. The broader sector overview at oregonplumbingauthority.com organizes all primary reference categories for the Oregon plumbing industry in a single navigable structure.

References

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