How many hvac contractors are in SAN RAMON, CA?

16 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 SAN RAMON, CA

16 listings

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

There are 16 hvac contractors in SAN RAMON, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-08-31; 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 PERFORMANCE HEATING & COOLING LLC	876710	C-20	2028-05-31	SAN RAMON	94583	Set up workspace
ARASTEK LLC	1145252	C-20	2027-10-31	SAN RAMON	94583	Set up workspace
A & R HVAC	861542	C-20	2027-07-31	SAN RAMON	94582	Set up workspace
BAY AREA HVAC SERVICE	1136642	C-20	2027-04-30	SAN RAMON	94583	Set up workspace
CHILL HEATING AND COOLING	1103038	C-20	2027-03-31	SAN RAMON	94583	Set up workspace
CORE CONSTRUCTION BUILDERS AND ASSOCIATES INC	1068729	B, C-20, C-36	2026-09-30	SAN RAMON	94583	Set up workspace
ECO SYSTEMS HEATING & AIR	924909	B, C-20	2026-11-30	SAN RAMON	94583	Set up workspace
EXPRESS HEATING & AIR CONDITIONING INC	839831	C-20	2026-08-31	SAN RAMON	94583	Set up workspace
LEGACY MECHANICAL & ENERGY SERVICES INC	808022	B, C-4, C-20, C-36, C-38	2028-05-31	SAN RAMON	94583	Set up workspace
LEVEL UP CONSTRUCTION SERVICE	818798	B, C-10, C-20	2027-04-30	SAN RAMON	94583	Set up workspace
MOD COMFORT SOLUTIONS HEATING AND AIR CONDITIONING	1127091	C-20	2026-09-30	SAN RAMON	94583	Set up workspace
PARADIGM SERVICE SOLUTIONS LLC	1095444	C-38	2027-12-31	SAN RAMON	94583	Set up workspace
SERVICEXCEL HEATING AND AIR CONDITIONING	1123970	C-20	2028-07-31	SAN RAMON	94582	Set up workspace
THE FREEZER GUY LLC	950593	C-38	2026-11-30	SAN RAMON	94582	Set up workspace
VALENTINE HEATING AND AIR	1036405	C-20	2027-11-30	SAN RAMON	94582	Set up workspace
VOLTA HVAC	1073370	C-10, C-20, C-46	2027-02-28	SAN RAMON	94582	Set up workspace

Quick answers

How many hvac contractors are in SAN RAMON?: 16 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.