J M Harder Plumbing & Heating
Registered as Harder Mechanical Contractors Inc
Plumber or heating and cooling contractor in Portland, Multnomah County, OR
Claimed listings rank first in Multnomah County and are the first we pass quote requests to.
Federal record
- USDOT number
- 113828
- Status
- Active carrier
- Registered since
- 1974
- Fleet
- More than 10 trucks
A USDOT number is the federal registration for companies that run commercial trucks. This record comes from the FMCSA registry. How we use it
State license record
- Licensing body
- Contractors State License Board
- License number
- 277745
- Class
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning
- Status
- Clear
Check the license lookup. List read September 26, 2026
- Licensing body
- Contractors State License Board
- License number
- 277745
- Class
- C-36 Plumbing
- Status
- Clear
Check the license lookup. List read September 23, 2026
- Licensing body
- Nevada State Contractors Board
- License number
- 0081013
- Class
- C-1F Heating Cooling and Circulating Air
- Status
- Active
Check the license lookup. List read September 26, 2026
- Licensing body
- Nevada State Contractors Board
- License number
- 0081013
- Class
- C-1G Pipes and Vents for Gas
- Status
- Active
Check the license lookup. List read September 26, 2026
About this contractor
J M Harder Plumbing & Heating registered with USDOT in 1974 and has held the registration for 52 years. That's longer than the median of 19 years among the 15 registered carriers listed in Multnomah County. Fleet on its registration: more than 10 trucks. It's one of 114 plumbers and heating and cooling contractors listed in Multnomah County.
Verify this record on FMCSA’s SAFER system (USDOT 113828)
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Map
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All plumbers and heating and cooling contractors in Multnomah County