Harder Mechanical Contractors Inc
- What they do
- General engineering contractor, General contractor, Plumber, Heating and air conditioning
- Where
- Portland, OR
- Serves
- CA
- Phone
- (503) 281-1112
- Licence
- CA-CSLB 277745, A General Engineering; B General Building; C4 Boiler, Hot Water Heating and Steam Fitting; C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing, status Active. Checked 2026-10-19 against the issuer's record.
- Workers' comp
- Workers' Compensation Insurance (as the licence board records it)
This listing was built from public records (California Contractors State License Board public licence file). The business has not claimed it, and it is not connected to DouxProcess. Contact the business directly. Is this your business? Claim it free.