How many hvac contractors are in ZILLAH, WA?

4 with a current Washington license, as of 2026-08-31.

How do I check a Washington contractor license is current?

Every listing shows its state license number and expiry date. Verify any of them directly against the Washington L&I licensee database.

HVAC contractors in ZILLAH, WA

4 listings

Source: Washington L&I license records. Last verified 2026-08-31.

There are 4 hvac contractors in ZILLAH, Washington with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-03-27; every listing shows its own number and expiry date. All are drawn from the Washington L&I register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
ALL IN ONE HEATING & AC LLC	ALLONOH784J2	ELECTRICAL CONTRACTOR	2028-05-09	ZILLAH	98953	Set up workspace
BLACK AND WHITE REFRIGERATION	BLACKWR867J8	CONSTRUCTION CONTRACTOR	2028-06-18	ZILLAH	98953	Set up workspace
Miller & Team Heating & AC	MILLETHS51U7	ELECTRICAL CONTRACTOR	2027-03-27	ZILLAH	98953	Set up workspace
TNG HEATING & A/C LLC	TNGHEHC84119	ELECTRICAL CONTRACTOR	2028-04-29	ZILLAH	98953	Set up workspace

Quick answers

How many hvac contractors are in ZILLAH?: 4 with a current Washington 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 Washington L&I licensee database.