Plumbing, heating & AC contractors in Washington 2,244 establishments · 29,832 employees · 2024
Firms (WA)
2,244
Employment
29,832
Avg Annual Pay
$93,105
State Rank
#17 of 52
How Washington compares to national
Metric
Washington
National
Washington vs. U.S.
Establishments
2,244
122,643
1.8% of U.S. total
Avg annual pay
$93,105
$78,183
+$14,922 (+19.1%)
Location quotient
0.93
1.00
7% less dense than national
Avg firm size (employees)
13.3
10.5
—
Year-over-year firm growth
+5.1%
—
—
Reading this
An establishment is a single physical location where business is conducted. A firm with multiple locations counts as multiple establishments. "Avg pay" is wages and salaries per employee, including bonuses and tips — for proprietorships, the owner's take is largely outside this number. The location quotient (LQ) of 0.93 means plumbing, heating & ac contractors are 7% under-represented in Washington's business mix relative to the U.S. average.
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Source. BLS Quarterly Census of Employment and Wages — 2024 annual averages, private-ownership only, NAICS 23822 (5-digit aggregation). Establishment counts include any firm with at least one paid employee covered by state unemployment insurance.
SMB Density · firm counts, employment, and wages by industry × state · data from BLS QCEW 2024 annual (private ownership, state-level; mostly 6-digit NAICS, 3 specialty-trade industries at 5-digit aggregation) · data.json