How many hvac contractors are in PETALUMA, CA?

35 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 PETALUMA, CA

35 listings

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

There are 35 hvac contractors in PETALUMA, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-09-30; 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
ACRAT PLUMBING & HEATING LLC	623720	B, C-10, C-20, C-36	2028-09-30	PETALUMA	94952	Set up workspace
ADAMS REFRIGERATION SERVICE INC A CALIFORNIA CORPORATION	279103	C-20, C-38	2028-01-31	PETALUMA	94954	Set up workspace
ANTHONY JOSEPH ADIEGO	1130270	C-10, C-38, C-57	2026-12-31	PETALUMA	94952	Set up workspace
BKB HEATING AIR CONDITIONING & SHEET METAL	610945	C-20, C-43	2027-06-30	PETALUMA	94975	Set up workspace
BRYAN MASTERSON ENTERPRISES	271933	A, B, C-4, C-16, C-20, C-34, C-36, C-42	2027-11-30	PETALUMA	94954	Set up workspace
CASTLE HEATING & AIR	1079375	C-20	2026-12-31	PETALUMA	94954	Set up workspace
CORE HEATING & AIR CONDITIONING	1038373	C-20, C-38	2028-04-30	PETALUMA	94954	Set up workspace
DAVE'S RAINGUTTER SERVICE	784943	C-43	2026-09-30	PETALUMA	94954	Set up workspace
E M L HVAC INC	993226	C-20	2028-05-31	PETALUMA	94954	Set up workspace
ERNEST ONGARO & SONS INC DBA ONGARO & SONS	215233	C-4, C-10, C-16, C-20, C-34, C-36, C-39, C-42, C-43, C-60, D21	2028-01-31	PETALUMA	94954	Set up workspace
FRANK J BORRUSO JR DBA TAMARIN RAINGUTTER SERVICE	631548	C-43	2027-11-30	PETALUMA	94954	Set up workspace
GALVAKNIGHT SHEET METAL SOLUTIONS INC	761646	C-20, C-43	2027-04-30	PETALUMA	94954	Set up workspace
GIBBS HEATING & AIR CONDITIONING	855710	C-20	2027-03-31	PETALUMA	94952	Set up workspace
GREEN CORE HEATING & AIR INC	1131183	C-20, C-36	2028-03-31	PETALUMA	94954	Set up workspace
GREENLIEF ENERGY INC	1059505	C-10, C-20	2027-01-31	PETALUMA	94952	Set up workspace
GRUPE HVAC	1076376	C-20	2027-06-30	PETALUMA	94952	Set up workspace
JB RAPOZA REFRIGERATION CONSULTING LLC	508663	C-38	2028-04-30	PETALUMA	94954	Set up workspace
JERRY'S REFRIGERATION	1033041	C-38	2028-02-29	PETALUMA	94975	Set up workspace
JM HVAC	1001595	C-20	2027-02-28	PETALUMA	94952	Set up workspace
JOHN OWENS SERVICES INC	501853	B, C-4, C-10, C-20, C-36	2028-06-30	PETALUMA	94954	Set up workspace
LEDESMA HEATING & AIR	901153	C-20	2027-07-31	PETALUMA	94954	Set up workspace
MARTIN ELECTRIC & HVAC	1080015	C-10, C-20	2027-08-31	PETALUMA	94975	Set up workspace
MCISAAC HEATING	1071345	C-20	2026-11-30	PETALUMA	94954	Set up workspace
MILANO MECHANICAL INC	797754	C-20, C-36, C-43	2028-06-30	PETALUMA	94954	Set up workspace
M T B	762453	C-20, C-43, D62, D63	2027-04-30	PETALUMA	94954	Set up workspace
NORTHBAY MECHANICAL INC	741184	C-10, C-38	2027-10-31	PETALUMA	94952	Set up workspace
OASIS PUMP & DRILLING	242168	C-10, C-38, C-57	2028-08-31	PETALUMA	94952	Set up workspace
PARAMOUNT PLMG & HTG	390434	C-20, C-36	2028-05-31	PETALUMA	94975	Set up workspace
REFRIGERATION SERVICES	682623	C-38	2027-12-31	PETALUMA	94954	Set up workspace
STAT HEATING & AIR CORPORATION	1123282	C-20	2027-07-31	PETALUMA	94954	Set up workspace
SUNSHINE HEATING AND AIR	1154409	C-20	2028-05-31	PETALUMA	94954	Set up workspace
THE TIN MAN INC	575976	C-43, D34	2028-03-31	PETALUMA	94953	Set up workspace
TIM MC CLOSKEY ELECTRIC INC	688783	C-10, C-38	2028-04-30	PETALUMA	94952	Set up workspace
TRI-COUNTY HEATING AND SHEET METAL INC	212733	C-20, C-43	2027-09-30	PETALUMA	94952	Set up workspace
WEDGE ROOFING INC	416737	B, C-2, C-39, C-43, C-46	2028-01-31	PETALUMA	94954	Set up workspace

Quick answers

How many hvac contractors are in PETALUMA?: 35 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.