HVAC contractor (warm-air heating, ventilating and air conditioning)s in Danville, CA
16 licenses with the C-20 classification list Danville (Contra Costa County) as their address with the state, 15 of them active. Active licenses with nothing flagged come first.
- Air Design Heating & CoolingC-20 · C-43 · #604264 Danville · Contra Costa County Active
- Ascent Conserve IncC-20 · #1147057 Danville · Contra Costa County Active
- Boscolai ConstructionA · B · C-10 · C-16 +3 · #1120060 Danville · Contra Costa County Active
- Caw Air Construction IncB · C-20 · #1152720 Danville · Contra Costa County Active
- H C Jensen Plumbing IncC-20 · C-36 · C-43 · #265318 Danville · Contra Costa County Active
- HVAC Energy SolutionsC-20 · #1132058 Danville · Contra Costa County Active
- M-23 Mechanical SystemsC-20 · #1083192 Danville · Contra Costa County Active
- Matheneys Plumbing & HeatingC-20 · C-36 · C-42 · #933520 Danville · Contra Costa County Active
- Qualtech Heating & CoolingC-20 · #905205 Danville · Contra Costa County Active
- R & J Construction IncB · C-20 · #539313 Danville · Contra Costa County Active
- S & H Construction IncA · B · C-9 · C-10 +2 · #786358 Danville · Contra Costa County Active
- Abraham K AlvarezB · C-20 · #1116811 Danville · Contra Costa County Active Bond claim suspension pending
- Ascent IncC-20 · #1069809 Danville · Contra Costa County Active Workers' comp suspension pending
- California Air IncC-20 · C-43 · #300798 Danville · Contra Costa County Active Workers' comp suspension pending
- Olsson Plumbing CompanyC-4 · C-20 · C-36 · C-42 +1 · #443706 Danville · Contra Costa County Active Disciplinary bond on file
- Alex R Mathews IncB · C-20 · C-43 · #355393 Danville · Contra Costa County Suspended: no workers' comp
Source: CSLB license file, Nov 8, 2026All trades in Danville