Locate and mark the position of pipe installations, connections, passage holes, or fixtures in structures, using measuring instruments such as rulers or levels.[2]
Where your edge is
Time Machine
Plumbers, Pipefitters, and Steamfitters
Scrub through 187 years of this role's history — from when it first emerged, through every wave of technology that reshaped it, to the cited projections for where it's heading next.
1850187519001925195019752000now
Drag the dot, click anywhere on the track, or use ← → arrow keys (Shift for 10-year jumps, PgUp/PgDn for 25).
2026
Known today as Plumbers, Pipefitters, and Steamfitters (BLS SOC 47-2152)
US Employment
505K
BLS National Employment Matrix 2024-34 baseline employment for SOC 47-2152: 504.5 thousand workers. This is the authoritative baseline for the 2024-34 BLS employment projections cycle. The increase from the 2023 OEWS survey figure reflects continued growth driven by water infrastructure, lead pipe replacement, and heat-pump water heater installation demand from IRA credits.
Median Annual Wage
$63,000
Source: BLS-OEWS
Tool of the era · IIJA infrastructure supercycle + EPA Lead Copper Rule 2024 + IRA heat-pump water heaters
November 15, 2021: President Biden signs the Infrastructure Investment and Jobs Act (IIJA) — the largest federal investment in water infrastructure in US history. The law allocates $55 billion for water and wastewater infrastructure, including $15 billion specifically for lead service line replacement and $11.7 billion for the Drinking Water State Revolving Fund. The 2024 EPA Lead Copper Rule Improvements, finalized in October 2024, mandated replacement of all lead service lines within 10 years — an estimated 9 million lines nationally at EPA-estimated costs of $1.5-2 billion per year, with projected benefits of $13-25 billion per year in reduced childhood lead exposure. Every one of those replacements requires a licensed plumber. The Inflation Reduction Act (August 2022) added a separate demand vector: the $2,000 IRA tax credit for heat pump water heaters (and the 25C energy efficiency credit for qualifying installations) accelerated the transition from conventional gas or electric water heaters to heat pump water heaters, which require a plumber for the water-side connections and a coordination point with the HVAC or electrical contractor. The US Department of Energy's 2024 water heater efficiency standards, phasing out most gas water heaters in new construction, further concentrated demand on heat-pump installations requiring licensed plumber sign-off. Robotic trenchless technologies (pipe bursting, CIPP lining, remote inspection via CCTV crawler) complement but do not replace the plumber — the robot can inspect and line a pipe, but a licensed plumber is required for the service connection, pressure testing, and final commissioning. The structural bottleneck is not technology; it is journeymen. The UA projects a shortage of 80,000+ plumbers by 2030.
BLS projects +6% employment growth for plumbers 2023-33. BLS National Employment Matrix (2024-34) projects growth from 504,500 to 527,200 (+4.5%), reflecting a conservative baseline that does not fully model the IIJA lead-replacement ramp. Independent projections from the UA suggest demand could outpace supply by 80,000+ workers before 2030.
Projection cone · present → 2034
What credible sources project
Scrub the slider past now to anchor each scenario on the scrubber. The spread you see below is the range of futures credible sources project for this role.
UA / IIJA demand-surge scenario
→ 2031
+18%
The UA (United Association) and water infrastructure analysts project a shortage of 80,000+ plumbers by 2027-2030 driven by: (a) retirement of Baby Boomer journeymen (plumbers have an above-average median age), (b) insufficient apprentice enrollment to match replacement need, and (c) accelerating demand from the IIJA lead service line replacement mandate ($15B federal + state match), the EPA 10-year deadline, and IRA heat-pump water heater adoption. If the IIJA project pipeline reaches full construction-phase activity by 2026-2028 — which the federal spending trajectory suggests — net employment could grow 15-22% even without significant technological change. This is the optimistic tail of the uncertainty cone.
BLS Occupational Outlook 2023-33
→ 2033
+6%
BLS Employment Projections 2023-33 cycle. Published employment change for SOC 47-2152: approximately +6% (roughly 28,800 projected new jobs), from a base of approximately 480,200 (2023). Described as "faster than average." Annual average openings: approximately 48,600 (new jobs + replacement need combined). BLS cites water infrastructure investment, lead service line replacement, and natural gas system construction as primary demand drivers. This is the most authoritative baseline for the near-term outlook.
BLS National Employment Matrix 2024-34
→ 2034
+4.5%
BLS Employment Projections 2024-34 cycle (most current as of May 2026). Baseline: 504,500 workers (2024); projected: 527,200 workers (2034); absolute change: +22,700; percent change: +4.5%. This is a slightly more conservative projection than the 2023-33 cycle, reflecting normal modeling variation. The matrix does not include annual openings; combined with replacement need, total annual openings are estimated at approximately 48,000-50,000. BLS projections model productivity-adjusted demand under current policy and technology trajectories.
Eloundou et al. — "GPTs are GPTs" (2023)
→ 2028
-3%
GPT-4 task-by-task LLM exposure labeling on O*NET tasks for plumbing and pipefitting occupations. Plumbers score very low on LLM exposure because the core tasks — fitting pipe, soldering connections, reading blueprints on-site, diagnosing blockages and leaks in physical systems, passing inspection — are not text-based tasks an LLM can perform. The -3% estimate represents the conservative lower-bound on near-term displacement from AI-assisted tools (estimating software, AI-powered leak detection, BIM coordination) rather than from robotics. This is firmly in the augmentation regime.
Frey & Osborne (2013)
→ 2033
-20%
Gaussian-process classifier on O*NET task features. F&O assigned Plumbers, Pipefitters, and Steamfitters a probability of computerization of approximately 0.35 — placing them in the moderate-low range of the 702-occupation dataset. The bottleneck factors cited include high "manual dexterity" scores, work in "cramped work positions," "service orientation" (adapting to variable site conditions), and unstructured physical environments. The -20% figure here represents the implied employment ceiling if F&O's probability were fully realized (which F&O did not claim). In practice, employment has grown since 2013, validating the low-to-moderate risk classification. The automated service-line robots that could replace a journeyman plumber in a finished basement remain research projects.
Today, in this role
What's shifting in the work right now
The historical view above shows how this role has moved. This is the present-day detail: which AI tools are picking up which tasks, where the edge still is, and the natural directions this work can grow.
What's changing in your day
Three parts of your work where AI is already doing real lifting — and what stays yours.
Direct helpers engaged in pipe cutting, preassembly, or installation of plumbing systems or components.[2]
Where your edge is
Install pipe assemblies, fittings, valves, appliances such as dishwashers or water heaters, or fixtures such as sinks or toilets, using hand or power tools.[2]
Where your edge is
Present-day sources
Sources
Every claim on this page traces back to one of the following. Updated 2026-05-30.
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