A/C contractor in Williamson County, TX

407 licenses · checked Oct 30, 2026

There are 407 A/C contractor licenses with an address of record in Williamson County, TX, in the Texas Department of Licensing and Regulation (TDLR) data checked Oct 30, 2026. That is 2.5% of the 16,532 such licenses statewide; Williamson County ranks #10 of 226 TX cities for this license type. Most list Williamson County. 397 of them come up for renewal or expiration in the next 12 months, so re-check status before you sign a contract.

What a A/C contractor license covers

A Texas air conditioning and refrigeration contractor license (TDLR) is required to offer HVAC and refrigeration work to the public (Class A unlimited, Class B limited to smaller systems).

How to verify a license

Search the name or license number in the official TDLR lookup and confirm the license is current and active, the license type matches the job, and the name matches the business you are hiring. Official lookup: TDLR license lookup.

A/C contractor licenses in Williamson County

Showing 60 of 407, A to Z. Listing order is alphabetical, not a recommendation.

Showing the first 60; search by name or license number for the rest.

Frequently asked questions

How many A/C contractor licenses are in Williamson County?

407 active licenses in the Texas Department of Licensing and Regulation (TDLR) data checked Oct 30, 2026 (2.5% of TX).

What does a A/C contractor license cover?

A Texas air conditioning and refrigeration contractor license (TDLR) is required to offer HVAC and refrigeration work to the public (Class A unlimited, Class B limited to smaller systems).

How do I verify a A/C contractor license in Williamson County?

Search the name or license number in the official TDLR lookup and confirm the license is current and active, the license type matches the job, and the name matches the business you are hiring. Use the license number shown here with the TDLR license lookup.

How many Williamson County A/C contractor licenses expire soon?

397 of 407 have an expiration date in the next 12 months. A license that lapses must be renewed before the holder can work under it again.

All A/C contractor licenses in TX →

Source: Texas Department of Licensing and Regulation (TDLR). Licensed Texas is independent and not affiliated with the licensing agency. Data checked Oct 30, 2026.