How much do union sprinkler fitters make?
Sprinkler Fitters Local 669 describes itself as a nationwide union local, and wage rates come out of its agreements — our research did not pull a 669 rate sheet, so the number to rely on is the one on the local's current rate sheet.
The federal benchmark is a combined figure: BLS put the median for plumbers, pipefitters and steamfitters — one occupation that includes sprinkler fitters — at $30.67 an hour, or $63,800 a year, in May 2025.
How Local 669 pay works
Union sprinkler fitters sit in the United Association's family: sprinkler fitters are on the UA's own list of its trades, alongside plumbers, pipefitters, steamfitters, welders, pipeliners, HVACR service technicians and the metal trades, and the UA says it represents approximately 409,000 workers across those trades in North America — an approximate count that includes Canada.
The sprinkler-side local our research can name is Sprinkler Fitters Local 669, which describes itself as a nationwide union local, with members throughout the United States and the flexibility to seek work in almost any part of the country.
That self-described footprint is a statement about geography, not about a wage.
Union rates come out of the agreement a local works under with its signatory contractors, and our research did not pull a Local 669 rate sheet — so we have no verified 669 figure to quote, and any number attributed to 669 online is unsourced as far as our research goes.
How rates are structured across a footprint that size was not something our research established either; the local is the source for its own current rates.
What the local is, how membership works and where the metro locals fit in is our guide to the sprinkler fitters' union.
What the federal data can give you is a combined trade benchmark, with sprinkler fitters explicitly inside it: BLS and O*NET count sprinkler fitters in occupation 47-2152, Plumbers, Pipefitters, and Steamfitters, and there is no sprinkler-fitter-only federal wage.
The May 2025 median for that combined occupation was $30.67 an hour, or $63,800 a year, in data released May 15, 2026.
Two reading rules matter.
The median is a federal statistic for the whole combined occupation, not any one local's negotiated rate, and its wage figures exclude overtime, shift differentials, non-production bonuses and benefits — so it is neither a negotiated scale nor a full-compensation figure.
The federal union-vs-non-union numbers BLS publishes cover broad occupation groups.
In 2025, 16.4% of employed wage-and-salary workers in construction and extraction occupations — the group that contains the pipe trades — were union members.
(The 2025 union averages cover 11 months; BLS did not collect October 2025.)
Full-time union members in that group had median weekly earnings of $1,561 against $1,004 for non-union workers in the same group.
Read that as a raw group comparison, not a sprinkler fitter premium: it is not controlled for occupation mix, region or experience, and it covers every occupation in the group.
BLS publishes no union membership rate and no pay premium for plumbers, pipefitters or sprinkler fitters specifically, and our research found no primary source for a trade-specific premium — treat any "union sprinkler fitters earn X% more" figure you encounter as unsourced.
There is no verified 669 pay scale — ask the local
Sprinkler fitter scale by region
The regional story starts with the local's structure.
Because Local 669 describes itself as a nationwide union local, its members can seek work in almost any part of the United States — the local's own framing.
What our research can verify about regional pay is federal and combined: BLS's top-paying states by annual median wage for the combined 47-2152 occupation in May 2025 were District of Columbia $101,020; Illinois $99,950; Oregon $97,050; Minnesota $94,410; and Alaska $93,920.
BLS counts DC as a state in these rankings, and every figure is the federal trade-wide statistic — none of them is a negotiated local rate.
Note what the ranking does and doesn't say.
The states with the most plumber, pipefitter and steamfitter jobs are California (47,660), Texas (44,090), Florida (29,260), New York (23,210) and Illinois (16,750) — California, Texas, Florida and New York lead the job counts but none makes the top five on pay; Illinois is the only state on both lists.
On the demand side, BLS expects sprinklerfitter employment to increase because, it says, building codes in all states require fire suppression systems; BLS gives no sprinkler-fitter-only growth percentage.
For a union rate in a specific place, two sources beat any ranking: your local's current rate sheet, and — on federally funded Davis-Bacon construction — the posted wage determination for the work in that county, which registered apprentices may be paid a percentage of per their program.
For the trade-wide picture, our sprinkler fitter salary page has the national figures; the state-by-state median, percentile and job-count tables for the combined occupation are on our plumber salary page.
Read them as federal, trade-wide figures — not a negotiated local rate.
Apprentice steps
Union sprinkler apprentices earn from day one.
The trade-wide pattern, per BLS: most plumbers, pipefitters and steamfitters learn the trade through a 4- or 5-year apprenticeship with 2,000 hours of paid on-the-job training plus technical instruction in a typical year, and unions are among the programs' sponsors.
The UA describes its apprenticeships as registered with the U.S. Department of Labor and typically five years long, covering plumbing, pipefitting, HVACR, welding and fire protection — fire protection being the sprinkler fitter's side of that list.
Pay rises as you learn.
Apprentices earn less than fully trained plumbers, pipefitters and steamfitters, and their pay increases as they learn to do more — but neither BLS nor our research can give you a starting number.
BLS publishes no apprentice wage figure, and federal rules set the shape of the ladder rather than its steps: a registered program must have a progressively increasing schedule of wages, consistent with the skill acquired, with an entry wage not below the federal minimum wage where it applies (29 CFR 29.5(b)(5)).
Federal rules do not set apprentice pay as a fixed percentage of the journeyworker rate — those percentage steps come from each program's standards or its collective bargaining agreement, and no generic UA ladder was verified in our research.
Local 669's own apprenticeship length was not verified either; its training program is the source.
On Davis-Bacon federal construction the rules have teeth: an apprentice may be paid below the posted wage-determination rate only if individually registered in a DOL- or state-registered program, and their rate is a percentage of the journeyworker rate per the registered program.
An apprentice working above the allowed apprentice-to-journeyworker ratio, or one who is not registered, must be paid the full wage-determination rate for the work performed.
Your own steps are written into your program's standards — the joint apprenticeship and training committee can hand you the current schedule.
The entry route itself — requirements and the union and merit-shop paths — is our step-by-step sprinkler fitter apprenticeship guide.
Benefits: the package on top of scale
A union sprinkler job pays in two layers: the wage on your check, and the employer contributions your agreement directs into benefit funds on your behalf.
Fringe packages are set per local agreement — which funds get contributions, and at what rate — and our research has no generic per-hour fringe figure, so the package is another question only the local's current agreement answers.
It also matters for any comparison: the contributions never reach the paycheck, and the federal wage statistics exclude them — a wage-only figure is not a full-compensation figure.
The retirement layer has a national piece that names sprinkler fitters outright: the United Association National Pension Fund, established in July 1968 to provide retirement benefits for employees represented by the UA — plumbers, pipefitters, sprinkler fitters, service technicians and welders among them.
It is a multiemployer defined-benefit plan funded solely by employer contributions and investment earnings; participants have no individual accounts and make no employee contributions.
Not every UA jurisdiction participates in the fund — bargaining units join at different times and their contribution rates vary — so which plan your hours buy into is written into your local's agreement.
Reciprocity is another fund rule worth knowing: the UANPF lets members maintain their vested benefits and continue earning additional benefits when they work for UA-signatory employers outside their home local's jurisdiction.
Whether Local 669 itself participates in the fund was not something our research verified — the local's agreement is the source for which plan its members' hours buy into.
The full package — health and welfare, the pension formula and its hour requirements, annuities, vesting — is our guide to UA benefits.
Career information, not legal or financial advice. Union wage rates, benefit contributions and apprentice wage schedules are set by each local's agreements and change when they are renegotiated — confirm current figures with the local union before you rely on them.