How many hvac contractors are in DANVILLE, CA?

18 with a current California license, as of 2026-08-31.

How do I check a California contractor license is current?

Every listing shows its state license number and expiry date. Verify any of them directly against the California CSLB licensee database.

HVAC contractors in DANVILLE, CA

18 listings

Source: California CSLB license records. Last verified 2026-08-31.

There are 18 hvac contractors in DANVILLE, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-10-31; every listing shows its own number and expiry date. All are drawn from the California CSLB register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
ABRAHAM K ALVAREZ	1116811	B, C-20	2028-02-29	DANVILLE	94526	Set up workspace
AIR DESIGN HEATING & COOLING	604264	C-20, C-43	2026-10-31	DANVILLE	94526	Set up workspace
ASCENT CONSERVE INC	1147057	C-20	2027-12-31	DANVILLE	94526	Set up workspace
ASCENT INC	1069809	C-20	2026-10-31	DANVILLE	94526	Set up workspace
BALDWIN REFRIGERATION LLC	1156029	C-38	2028-06-30	DANVILLE	94526	Set up workspace
BOSCOLAI CONSTRUCTION	1120060	A, B, C-10, C-16, C-20, C-36, C-38	2028-04-30	DANVILLE	94526	Set up workspace
CALIFORNIA AIR INC	300798	C-20, C-43	2028-06-30	DANVILLE	94526	Set up workspace
CAW AIR CONSTRUCTION INC	1152720	B, C-20	2028-03-31	DANVILLE	94506	Set up workspace
COLD STORAGE BUILDERS INC	1039478	C-38	2028-05-31	DANVILLE	94526	Set up workspace
H C JENSEN PLUMBING INC	265318	C-20, C-36, C-43	2028-04-30	DANVILLE	94526	Set up workspace
HVAC ENERGY SOLUTIONS	1132058	C-20	2027-01-31	DANVILLE	94526	Set up workspace
M-23 MECHANICAL SYSTEMS	1083192	C-20	2027-11-30	DANVILLE	94526	Set up workspace
MALINO REFRIGERATION LLC	973094	C-38	2027-02-28	DANVILLE	94526	Set up workspace
MATHENEYS PLUMBING & HEATING	933520	C-20, C-36, C-42	2027-06-30	DANVILLE	94526	Set up workspace
OLSSON PLUMBING COMPANY	443706	C-4, C-20, C-36, C-42, C-43	2028-07-31	DANVILLE	94526	Set up workspace
QUALTECH HEATING & COOLING	905205	C-20	2027-10-31	DANVILLE	94506	Set up workspace
R & J CONSTRUCTION INC	539313	B, C-20	2028-08-31	DANVILLE	94506	Set up workspace
S & H CONSTRUCTION INC	786358	A, B, C-9, C-10, C-20, C-36	2028-06-30	DANVILLE	94526	Set up workspace

Quick answers

How many hvac contractors are in DANVILLE?: 18 with a current California license, as of 2026-08-31.
How do I check a license is current?: Every listing shows its state license number and expiry. Verify any of them directly against the California CSLB licensee database.