How many hvac contractors are in WALNUT CREEK, CA?

15 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 WALNUT CREEK, CA

15 listings

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

There are 15 hvac contractors in WALNUT CREEK, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-12-31; 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
AIR - CON MECHANICAL SERVICES INC	636428	C-10, C-20, C-36	2028-07-31	WALNUT CREEK	94596	Set up workspace
AIR MEN HEATING AND AIR CONDITIONING	955367	C-20	2026-12-31	WALNUT CREEK	94596	Set up workspace
ALL BAY HEATING AIR CONDITIONING & CONSTRUCTION INC	805473	B, C-20, C-36	2028-03-31	WALNUT CREEK	94595	Set up workspace
AMERICAN MECHANICAL; IQ CONTROLS	883177	C-4, C-20, C-38, C-43	2028-08-31	WALNUT CREEK	94595	Set up workspace
APEX AIR	1123268	C-20	2028-07-31	WALNUT CREEK	94596	Set up workspace
DIABLO THERMAL SYSTEMS INC	823200	C-20, C-38	2027-09-30	WALNUT CREEK	94598	Set up workspace
ECO PERFORMANCE BUILDERS INC	944856	B, C-2, C-20	2028-03-31	WALNUT CREEK	94597	Set up workspace
FREEMAN'S HEATING AIR CONDITIONING & ELECTRICAL SERVICES	519835	C-10, C-20, C-36	2027-10-31	WALNUT CREEK	94595	Set up workspace
GRACE HEATING AND AIR INC	705148	C-20	2027-05-31	WALNUT CREEK	94598	Set up workspace
HEARTHSTONE BUILDING & RESTORATION	319036	B, C-10, C-20, C-36	2026-12-31	WALNUT CREEK	94598	Set up workspace
J & S STEEL CONSTRUCTION	832884	B, C-43, C-51	2028-02-29	WALNUT CREEK	94598	Set up workspace
NORTH STAR HEATING & COOLING	1142423	C-20	2027-08-31	WALNUT CREEK	94596	Set up workspace
POLARTECH LLC	1114751	C-20	2028-01-31	WALNUT CREEK	94596	Set up workspace
TOWER & SCRUBBER SOLUTIONS LLC	1156939	C-20	2028-06-30	WALNUT CREEK	94598	Set up workspace
WALNUT CREEK ROOFING INC DBA BUILDING SERVICES	537679	B, C-43	2028-08-31	WALNUT CREEK	94596	Set up workspace

Quick answers

How many hvac contractors are in WALNUT CREEK?: 15 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.