Humboldt County contractors & building pros

Companies in Humboldt

A–Z by name. Listed from California public records as of 2026-10-20.

• 6 RIVERS CONSTRUCTION INCHoopa · General Engineering Contractor (A)
• 6 RIVERS ELECTRICBlue Lake · Electrical Contractor (C-10)
• 101 PLUMBING HUMBOLDT INCEureka · Plumbing Contractor (C-36)
• 707 BUILDERSBayside · General Building Contractor (B)
• A & A PAINTINGEureka · Painting Contractor (C-33)
• A & B ROOFINGFortuna · Roofing Contractor (C-39)
• A & I ROOFING INCArcata · General Building Contractor (B) · Roofing Contractor (C-39)Composition roofing · Wood roofing · Metal roofing
• A & M BUILDERS LLCMc Kinleyville · General Building Contractor (B)
• A AND G CONCRETEFortuna · General Building Contractor (B) · Concrete Contractor (C-8)
• A F CONTRACTINGEureka · General Building Contractor (B) · Plumbing Contractor (C-36)

See all 1,074 companies A–Z →

Licensed contractors & trades