How many hvac contractors are in SOUTH SAN FRANCISCO, CA?

21 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 SOUTH SAN FRANCISCO, CA

21 listings

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

There are 21 hvac contractors in SOUTH SAN FRANCISCO, 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
ACE FURNACE COMPANY INC	235989	C-20	2027-09-30	SOUTH SAN FRANCISCO	94083	Set up workspace
ALL AIR MECHANICAL CONTRACTORS INC	851335	C-20, C-43	2026-12-31	SOUTH SAN FRANCISCO	94080	Set up workspace
ALPHA PLUS APPLIANCES HEATING & AIR CONDITIONING SERVICES	998479	C-20	2026-11-30	SOUTH SAN FRANCISCO	94080	Set up workspace
ANNUZZI HEATING AND COOLING INC	742916	C-20	2027-05-31	SOUTH SAN FRANCISCO	94080	Set up workspace
ATLAS HEATING & VENTILATING CO	856293	C-20	2027-03-31	SOUTH SAN FRANCISCO	94080	Set up workspace
BERLIN FOOD & LAB EQUIPMENT CO	941086	C-43	2027-12-31	SOUTH SAN FRANCISCO	94080	Set up workspace
B METAL FABRICATION INC	681290	C-23, C-43	2027-12-31	SOUTH SAN FRANCISCO	94080	Set up workspace
BRADY AIR CONDITIONING INC	585882	C-4, C-16, C-20, C-36, C-43	2028-01-31	SOUTH SAN FRANCISCO	94080	Set up workspace
BRADY AIR SERVICE INC	1051173	C-4, C-16, C-20, C-36, C-43	2027-03-31	SOUTH SAN FRANCISCO	94080	Set up workspace
CHEN'S CONSTRUCTION AND MECHANICAL INC	814802	A, B, C-10, C-16, C-20, C-36, C-38	2028-07-31	SOUTH SAN FRANCISCO	94080	Set up workspace
CUSTOM SHEET METAL & RAIN GUTTER SYSTEMS INC	1086350	C-43	2028-01-31	SOUTH SAN FRANCISCO	94080	Set up workspace
HARGENS INC	592325	B, C-20, C-33, C-36, C-43	2028-04-30	SOUTH SAN FRANCISCO	94080	Set up workspace
HVAC SOLUTIONS AND SERVICES	1040194	C-10, C-20	2028-06-30	SOUTH SAN FRANCISCO	94080	Set up workspace
KAMEL TOTAH	1138025	B, C-10, C-38	2027-05-31	SOUTH SAN FRANCISCO	94080	Set up workspace
LMJ HVAC	1066509	C-20	2028-06-30	SOUTH SAN FRANCISCO	94080	Set up workspace
PENINSULA HEATING	926857	C-20	2027-01-31	SOUTH SAN FRANCISCO	94083	Set up workspace
POLYTEC CONSTRUCTION COMPANY INC	943505	A, B, C-10, C-16, C-20, C-36	2028-02-29	SOUTH SAN FRANCISCO	94083	Set up workspace
R M I MECHANICAL CONTRACTORS INC	831408	B, C-4, C-20, C-36	2028-01-31	SOUTH SAN FRANCISCO	94080	Set up workspace
R S RAINGUTTER & SHEETMETAL	1069787	C-43	2026-10-31	SOUTH SAN FRANCISCO	94080	Set up workspace
UNIFIED MECHANICAL	1158798	C-20	2028-07-31	SOUTH SAN FRANCISCO	94080	Set up workspace
WOLVES HVAC MECHANICAL	760264	C-20	2027-03-31	SOUTH SAN FRANCISCO	94083	Set up workspace

Quick answers

How many hvac contractors are in SOUTH SAN FRANCISCO?: 21 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.