How many hvac contractors are in Grass Lake, MI?

27 with a current Michigan license, as of 2026-08-31.

How do I check a Michigan contractor license is current?

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

HVAC contractors in Grass Lake, MI

27 listings

Source: Michigan LARA license records. Last verified 2026-08-31.

There are 27 hvac contractors in Grass Lake, Michigan 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 Michigan LARA register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
4 SEASONS HEATING & COOLING INC	316028	Boiler Installer	2026-12-31	Grass Lake	49240	Set up workspace
AMERICAN HORIZONS HOME & BLDG INSP SERV LLC	7116954	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
ANTHONY LOUIS ALLAIN	7113649	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
CAREY WOLFINGER SERVICES	7105364	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
CHELSEA PLUMBING INC	7117642	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
CRAIG A FERRY	7116214	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
David A. Smith	7119599	Mechanical Contractor	2027-08-31	Grass Lake	49240	Set up workspace
DAVID A SMITH	3106390	Boiler Installer	2026-12-31	Grass Lake	49240	Set up workspace
DAVID WILLIAM HOLMES	7103168	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
DIVERSIFIED MECHANICAL MAINTENANCE INC	314521	Boiler Installer	2026-12-31	Grass Lake	49240	Set up workspace
DIVERSIFIED MECH MAINTENANCE	7109424	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
FOUR SEASONS HVACR LLC	7109609	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
H & H HTG & CLG INC	7116817	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
JEFF BRANCH	315704	Boiler Installer	2026-12-31	Grass Lake	49240	Set up workspace
K C HEATING & COOLING	7113747	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
KEVIN RADTKE	7115935	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
LANCASTER MECHANICAL	7117987	Mechanical Contractor	2027-08-31	Grass Lake	49240	Set up workspace
L AND S HEATING & COOLING	7112351	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
MATTHEW J HAND	7112208	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
MATTHEW JOHN HAND	314626	Boiler Installer	2026-12-31	Grass Lake	49240	Set up workspace
NICHOLAS M OSENTOSKI	7114878	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
RAINBOW HEATING & COOLING	7109608	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
RONALD JEFFERY MC CLURG	7111813	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
THOMAS MERRIMAN IRWIN	7114966	Mechanical Contractor	2029-08-31	Grass Lake	49240	Set up workspace
UNIQUE SOLUTIONS	7116745	Mechanical Contractor	2026-08-31	Grass Lake	49240	Set up workspace
URGENT CARE HEATING & COOLING	7115946	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace
VELOCITY MASTER PLUMBING LLC	7117326	Mechanical Contractor	2028-08-31	Grass Lake	49240	Set up workspace

Quick answers

How many hvac contractors are in Grass Lake?: 27 with a current Michigan 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 Michigan LARA licensee database.