NCCI · 17 states

Workers comp rates for code 6503: Plumbing

NCCI class code 6503 covers Plumbing in the construction industry. The median rate across 17 states is $1.10 per $100 payroll. Rates range from $0.397 in Washington to $2.78 in Hawaii.

Also known as: Plumber · Plumbing contractor

Cheapest 5 states for code 6503

  1. Washington $0.397
  2. Utah $0.440
  3. Virginia $0.700
  4. Tennessee $0.740
  5. Kentucky $0.770

Most expensive 5 states

  1. Hawaii $2.78
  2. Illinois $2.66
  3. Nevada $1.78
  4. Alaska $1.71
  5. Rhode Island $1.40

Code 6503 rates in all 17 states

State Code Rate per $100 vs peers Source
Washington monopolistic 6503 $0.397 6% view
Utah 6503 $0.440 12% view
Virginia 6503 $0.700 18% view
Tennessee 6503 $0.740 24% view
Kentucky 6503 $0.770 29% view
Kansas 6503 $0.830 35% view
Maryland 6503 $0.940 41% view
Louisiana 6503 $0.960 47% view
Indiana 6503 $1.10 53% view
Oklahoma 6503 $1.17 59% view
Arkansas 6503 $1.18 65% view
Alabama 6503 $1.34 71% view
Rhode Island 6503 $1.40 76% view
Alaska 6503 $1.71 82% view
Nevada 6503 $1.78 88% view
Illinois 6503 $2.66 94% view
Hawaii 6503 $2.78 100% view

Bottom quartile (cheap) Mid Top quartile (expensive)

FAQs about NCCI 6503

What occupation is NCCI class code 6503?

Class code 6503 is "Plumbing" (also known as Plumber, Plumbing contractor), in the construction industry. The code is filed in 17 states.

What is the average workers comp rate for code 6503?

The median rate across 17 states is $1.10 per $100 of payroll, ranging from $0.397 (Washington) to $2.78 (Hawaii).

Why does code 6503 cost more in some states than others?

Workers comp rates reflect each state's loss experience for that occupation, the rating bureau's methodology (NCCI vs. independent), schedule rating credits, and the state's medical-cost inflation. Some states are monopolistic (only the state fund writes coverage) while others are open competitive markets.