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Maryland · Insulator (Heat & Frost / Asbestos Worker)
Maryland insulator prevailing wage, county by county
An insulator's prevailing wage on Maryland public works is $61.19 an hour in every county that has one (20), for the main classification.
Insulator (Heat & Frost / Asbestos Worker) rate in each Maryland county, A to Z
| County | Base wage | Fringe benefits | Total rate | Source |
|---|---|---|---|---|
Allegany CountyINSULATION WORKER | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-001 |
Anne Arundel CountyINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-003 |
Baltimore CityINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-510 |
Baltimore CountyINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-005 |
Calvert CountyINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-009 |
Caroline CountyINSULATION WORKER · Caroline County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-011 |
Carroll CountyINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-013 |
Cecil CountyINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-015 |
Charles CountyINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-017 |
Frederick CountyINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-021 |
Garrett CountyINSULATION WORKER · Washington County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-023 |
Harford CountyINSULATION WORKER | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-025 |
Howard CountyINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-027 |
Kent CountyINSULATION WORKER · Caroline County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-029 |
Montgomery CountyINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-031 |
Prince George's CountyINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-033 |
Queen Anne's CountyINSULATION WORKER · Caroline County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-035 |
St. Mary's CountyINSULATION WORKER · Montgomery County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-037 |
Talbot CountyINSULATION WORKER · Caroline County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-041 |
Washington CountyINSULATION WORKER · Washington County group | $40.77 | $20.42 | $61.19 | MD-INFO-2026-10-25-B-043 |
Main insulator classification in each county (Insulation worker), Maryland informational rates as printed October 25, 2026. A determination applies to a project advertised before it expires, and mid-year changes apply only to newly issued determinations (SFP 17-209; DOL FAQ #47). Checked October 25, 2026.
How much does an insulator make on prevailing wage in Maryland?
$61.19 an hour in every county that has a rate, for the main classification. 3 groups of counties with identical rates and 2 with rates of their own, highest main rate first.
- Montgomery County group12 counties · INSULATION WORKER$61.19
- Caroline County group4 counties · INSULATION WORKER$61.19
- Washington County group2 counties · INSULATION WORKER$61.19
- Allegany County1 county · INSULATION WORKER$61.19
- Harford County1 county · INSULATION WORKER$61.19
Which counties share a rate
| Counties and Baltimore City | Main classification | Base wage | Total rate |
|---|---|---|---|
| Montgomery County group, 12 localities: Anne Arundel, Baltimore, Baltimore City, Calvert, Carroll, Cecil, Charles, Frederick, Howard, Montgomery, Prince George's, St. Mary's | INSULATION WORKER | $40.77 | $61.19 |
| Caroline County group, 4 localities: Caroline, Kent, Queen Anne's, Talbot | INSULATION WORKER | $40.77 | $61.19 |
| Washington County group, 2 localities: Garrett, Washington | INSULATION WORKER | $40.77 | $61.19 |
| Allegany County | INSULATION WORKER | $40.77 | $61.19 |
| Harford County | INSULATION WORKER | $40.77 | $61.19 |
3 groups of counties with identical DOL rates, and 2 counties with rates of their own.
Maryland's informational rates are journeyworker rates. A registered apprentice may be paid the percentage of the mechanic rate set by the Apprenticeship and Training Council (SFP 17-208(e)); an unregistered 'apprentice' must be paid the full rate.
Questions about Maryland insulator pay
What is the insulator prevailing wage in Montgomery County?
$61.19 an hour: a $40.77 base wage plus $20.42 in fringe benefits, under Maryland informational rates as printed October 25, 2026. Overtime and every insulator classification in Montgomery County.
Does insulator prevailing wage include fringe benefits?
Yes. In Montgomery County the $61.19 total is a $40.77 base wage plus $20.42 in fringe benefits, about 33% of the total. The employer owes the full amount for every hour worked.
Does insulator prevailing wage pay overtime in Maryland?
Maryland overtime is at least 1½ times the straight-time rate for hours over 10 in a calendar day, over 40 in a workweek, and on Sundays and legal holidays. There is no Saturday premium (SFP 17-214(b); 17-208(b)(2)).
Do apprentice insulators get this rate?
Maryland's informational rates are journeyworker rates. A registered apprentice may be paid the percentage of the mechanic rate set by the Apprenticeship and Training Council (SFP 17-208(e)); an unregistered 'apprentice' must be paid the full rate.
Why do some counties have the same insulator rate?
DOL often publishes the same insulator rates for several counties. Across Maryland, the 20 counties with an insulator rate fall into 5 distinct sets of rates, and 3 of those sets are shared by more than one county; the largest covers 12 counties (the Montgomery County group).