What does a Commercial Roofing Service Technician earn?

We place this role between $55,000 and $82,000 a year at mid experience, before overtime, bonus and on-call. The federal occupation this role reports under is Roofers (SOC 47-2181), May 2025.

What credentials should a Commercial Roofing Service Technician have?

This role has no single credential that reliably moves an offer. What employers screen on is demonstrated commercial experience rather than a certificate.

COMMERCIAL ROOFING - ROLE PROFILE

Commercial Roofing Service Technician

We place this role between $55,000 and $82,000 a year at mid experience, before overtime, bonus and on-call.

The role

What the job actually is.

Finds and repairs leaks on existing commercial roofs, performs preventive maintenance inspections, and documents roof condition for building owners. Works alone most days, diagnosing from the symptom inside the building back to the cause on the roof.

Pay

What this role pays.

That band is mid experience, built from our own engagement history. Experience and region move it - the salary calculator applies both.

The federal occupation this role reports under is Roofers (SOC 47-2181), May 2025. Nationally it reports a median of $55,440 , with the middle of the market between $37,460 and $81,720. BLS counts this job inside that occupation rather than publishing it separately, so the figures cover a slightly wider group than this exact title.

Where it pays most.

Roofers across the metros we cover, May 2025. BLS publishes a median for 95 of them and withholds the rest, where the local sample was too small to be reliable.

Highest-paying metros - Roofers
Metro	Median	Employed there
Worcester	$105,270	350
Chicago	$82,090	3,900
Bridgeport	$81,310	130
San Jose	$76,650	1,660
New York	$76,400	3,100
Minneapolis	$75,400	1,250
San Francisco	$74,340	2,610
Boston	$66,350	1,120
El Paso	$36,300	120
Augusta	$41,430	90
Oklahoma City	$43,680	710

BLS Occupational Employment and Wage Statistics, May 2025. The last three rows are the lowest-paying metros in the same set. Headcount is metro-wide across every industry, not this trade alone.

Credentials

Credentials that move an offer.

No single credential reliably moves an offer in this seat. Employers screen on demonstrated commercial experience instead, which makes the resume harder to read and the reference check worth more.

Licensing is a state question, not a national one. The Commercial Roofing hiring page carries the state-by-state position, and every market page names the authority for that state.

Screening

What separates a strong candidate.

Everyone who applies for this seat will claim the experience. These are the things that distinguish the people who have it, and the questions that find out.

What to look for

Describes leak tracing as a diagnostic process rather than patching the nearest suspect spot
Comfortable writing the condition report the owner actually reads
Has worked across several membrane types, because service work does not get to choose

Questions that find out

A tenant reports a ceiling stain twenty feet from the nearest penetration. How do you find the source? A strong answer Starts inside rather than on the roof: finds where the water actually appears, follows the deck flutes, the beams and the pipes it will have run along, and works out which direction is uphill. Then goes up and looks at everything upslope of that point - seams, laps, penetrations, walls, drains - rather than only the nearest curb. Water-tests in sections from the low point up. Says plainly that the stain is almost never under the leak, and that a wall or a unit above is a common answer.
How do you repair a TPO seam failure so the warranty survives it? A strong answer Finds out first whether the roof is under warranty and what the manufacturer requires, because an unauthorised repair ends the warranty more surely than the leak does. Uses the manufacturer's material and method rather than whatever is on the truck, cleans and prepares properly for an aged sheet, welds and probes, and photographs the repair. Records it so the manufacturer can accept it. Will call the manufacturer's technical line from the roof rather than guess.
What goes in a preventive maintenance report that makes an owner approve the repair? A strong answer Photographs of the specific defect with a location on a roof plan, what it will do if left - and when - and a price, separated into what must be done now and what can wait a year. Written so a facilities manager can forward it to someone who holds a budget and have it make sense without a roofer to explain it. Avoids a list of everything wrong with no priority, which gets nothing approved, and avoids alarming language they cannot support.
You are on a roof in winter with an active leak. What can you actually do today? A strong answer Knows which repairs will hold in cold and wet and which will not, and does not apply a material outside its conditions and call it fixed. Dries and warms the area if a proper repair is possible, otherwise does an honest temporary - a mechanically fastened patch, a cover, a diversion inside - and says clearly that it is temporary, with a date to come back. Protects what is underneath. Tells the customer the truth rather than letting them believe it is repaired.
How do you work on a roof under an active manufacturer warranty without voiding it? A strong answer Checks the warranty status and who holds it before touching the roof, and knows that on many warranties only an approved contractor may work on it and the manufacturer must be notified. Uses the specified materials, keeps the documentation, and routes anything unusual through the manufacturer's technical department. Tells the owner when the work they are asking for will cost them their warranty, and puts that in writing rather than taking the instruction.
What do you document on a service call so the next person is not starting over? A strong answer Where they went on the roof, what they found, what they did, what they could not do and why, with photographs and a location marked on a plan rather than a description. Notes what they ruled out, which saves the next visit most of its time, and anything they noticed that was not the reason they came. Writes it for the next technician rather than for the invoice. Says they read the previous notes before going up, which is the other half of it.
When do you tell a customer a repair is not worth doing? A strong answer When the repair cost is approaching replacement cost, when the roof is wet throughout and a patch will not dry it, when the same area has been repaired repeatedly, or when the deck is going. Says it plainly and with evidence - cores, a moisture scan, the repair history - rather than as a sales line, and offers to keep the roof going cheaply in the meantime if the owner has no budget. Being trusted to say no is the thing that keeps the account.
The customer thinks ponding water is a leak. How do you handle that conversation? A strong answer Takes it seriously rather than dismissing it, because standing water is a real problem even when it is not the leak: it loads the deck, degrades the membrane and voids some warranties. Explains the difference, checks whether the drains are blocked or the slope is wrong, and looks for the actual leak separately. Gives the owner the options and the cost rather than telling them it is normal. Does not use jargon to end the conversation.
How do you perform a water test to confirm a leak source? A strong answer Tests in sections from the lowest point upward, one area at a time, with somebody inside watching, and waits long enough between sections to be sure - which is the part people skip. Plugs drains deliberately and knows the risk of overloading the deck. Records what was tested and when it appeared. Says they will not flood a whole roof at once because a positive result then tells them nothing, and that some leaks only show in wind-driven rain.
What is your approach to a roof with multiple previous repairs? A strong answer Reads the repairs as a history: where they clustered tells them where the problem actually is, and a mastic graveyard says the roof has been patched rather than fixed. Checks whether previous repairs are themselves leaking, which is common, and whether incompatible materials have been layered on. Cores or scans for trapped moisture before recommending anything, and gives the owner an honest view of repair versus replacement rather than adding one more patch.
How do you repair a flashing detail at a curb properly rather than temporarily? A strong answer Takes it apart far enough to see why it failed rather than sealing over it: termination pulled loose, flashing too short, no counter-flashing, a corner that was never detailed, wet insulation inside the curb. Replaces the wet material, rebuilds the detail to the manufacturer's detail with the proper height and a mechanical termination, and welds and probes. Says that sealant across the top of a failed flashing buys a season at most.
What do you carry on the truck for an emergency call? A strong answer Can list it, and it matches the roofs they service: membrane patches for the systems in their area, the right primers, cleaners and adhesives, termination bar and fasteners, plates, a welder and probe, mastic and reinforcing fabric for a genuine temporary, plus tarps, buckets and interior protection. Safety gear and an anchor option. Says what they restock weekly and what they have been caught without. Keeps the materials in date and out of the cold.
How do you handle a roof that is unsafe to walk? A strong answer Does not walk it. Can say what makes a roof unsafe - a spongy or rotten deck, a wet aged assembly, skylights without protection, no edge protection, ice - and what they do instead: inspect from the hatch or a lift, use planking to spread load, or decline and report it. Tells the owner in writing that the roof is a safety issue and not only a leak. Says they have turned around and come down, and that nobody pushed back twice.
What do you check on a roof's drains and housekeeping on a maintenance visit? A strong answer Clears and tests every drain and scupper rather than looking at them, checks the strainers are present, looks for debris at the perimeter and under units, and notes trades' leftovers - screws, cut wire, offcuts - that will puncture the membrane. Checks the overflow provision. Says that most of the leaks they get called to in autumn are blocked drains, and that the visit pays for itself on the housekeeping alone.
How do you schedule and route a day of service calls when one turns into a half-day? A strong answer Rings the customers they are going to miss as soon as they know, rather than at the end of the day, and has a view on which of the day's calls is genuinely urgent - active water over something that matters - and which can move. Tells the office so the schedule is re-cut once rather than by guesswork. Finishes the job in front of them properly instead of leaving it half done to protect the schedule, and says which calls they would break off for.
What do you do when the leak is not coming from the roof? A strong answer Says so, with evidence: a water test that cleared the roof, a wall or window assembly that leaks in wind-driven rain, a condensate line, a mechanical unit, a pipe. Does not patch the roof to look busy and does not simply tell the customer it is not their problem - points them at what it probably is and who should look at it. Documents the test so the next person does not re-test the roof. Builds credibility by being right about this.

The mistake this seat invites

Screening for installation experience. Service technicians diagnose and write; installers produce. The overlap is smaller than it looks.

Where the role goes next

Service technicians move to service manager, estimator, or into the inspection and consulting side. Candidates ask this in the first conversation, and an employer who cannot answer it loses the people who had other options.

Interview kit for this role

All interview questions for this role in the question bank.
Printable interview scorecard built from these questions and signals.
The Commercial Roofing hiring kit - every role in the trade, with credentials and offer risks.
Offer calculator starting from this role's pay band.

The search

What the search actually takes.

Across 9 closed commercial roofing searches in 2026 year to date, our median was 21 days from first contact with the candidate to hire. That is not a time-to-fill benchmark - our clock starts when we reach the candidate, not when the requisition opened. The full distribution is in the Hiring Index.