Prevailing Wage for a Plumber in Union County, South Dakota (2026)

The federal Davis‑Bacon prevailing wage for a Plumber (Building construction) in Union County is $21.12 base + $9.00 fringe = $30.12 total per hour. South Dakota has no separate state prevailing-wage law, so the federal Davis-Bacon rate is the prevailing wage.

Rate table by construction type

Construction typeSourceBaseFringeTotal
BuildingFederal · SD20260030$21.12$9.00$30.12 ⚑
ResidentialFederal · SD20260003$11.60$0.00$11.60 ⚑
Green marks the governing (higher-of) rate. Each construction type is its own wage determination — the WD# is shown per row. Scroll the table sideways on mobile.
Source & freshness
WD number
SD20260030
Modification
#2
Effective
May 18, 2026
Last verified
Jul 14, 2026

Worked certified-payroll line

A Plumber on this determination working 40 straight hours owes $844.80 in base wages plus $360.00 in fringe = $1,204.80 gross for the week (Building). Overtime pays 1.5× the base only; fringe stays flat per hour. Run your own numbers in the calculator.

Nearby & related

Verify the current wage determination on SAM.gov or with the DOL Wage and Hour Division before bidding or paying. This is a readable presentation of the official determination, not legal or tax advice.
Last verified: Jul 14, 2026 · Reviewed by: the Davis-Bacon Wage editorial team