Sheet Metal Worker.
St. Louis.
$51,000
median salary, 11% below the national average
$40,000 to $67,000. Updated for 2026.
The numbers.
Everything you need to negotiate with confidence.
Here is what Sheet Metal Workers actually make in St. Louis: $40,000 at the 25th percentile, $51,000 at the median, and $67,000 at the 75th. That is 11% below the national average. St. The number on your offer letter will depend on what you bring and how you ask.
Salary range
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How St. Louis compares
St. Louis, MO
$51,000
Cost of living: 10% below average
National Average
$57,000
St. Louis is $6,000 below
What you should know
If you are interviewing for Sheet Metal Worker roles in St. Louis, here is what you are walking into. St. Louis offers one of the most affordable major metro areas in the country, with a strong base in healthcare, financial services, and manufacturing. The region's anchor employers include Boeing, Centene, and Washington University's medical campus. A growing biotech and plant sciences corridor centered on the Cortex Innovation District is attracting new investment and talent. Workers specializing in HVAC ductwork fabrication and architectural sheet metal earn the highest rates. CNC and CAD proficiency for precision fabrication adds 10 to 15% above hand-layout skills alone. Union sheet metal workers in major metropolitan areas benefit from prevailing wage requirements on commercial and government projects that push hourly rates well above open-shop competitors.
Sheet metal apprentices start at $32,000 to $40,000 during their four to five year apprenticeship. Journeymen earn $44,000 to $62,000, while foremen and shop supervisors reach $65,000 to $82,000. Estimators and project managers with sheet metal backgrounds command $80,000 to $110,000 at large mechanical contractors. In St. Louis, cost of living sits near the national average, so the numbers you see are roughly what you keep.
Base salary is not the full picture. Union SMWIA benefits add $15,000 to $25,000 annually in health, pension, and training fund contributions. Overtime on large commercial projects can add $6,000 to $14,000 per year. Tool and equipment allowances of $500 to $1,500 annually are common at union shops. And on the tax side: missouri's top income tax rate is about 4.8%, and St. Louis City adds a 1% earnings tax. The low base cost of living means your after tax salary still stretches further than in most metros. When someone quotes you $51,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: Emphasize your willingness to work in person at Cortex or the BJC campus. St. Louis employers offer higher packages for candidates who commit to the local innovation hubs. The range for Sheet Metal Workers in St. Louis runs from $40,000 to $67,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Top industries in St. Louis
Negotiating in St. Louis
Emphasize your willingness to work in person at Cortex or the BJC campus. St. Louis employers offer higher packages for candidates who commit to the local innovation hubs.