D.L. Williams Heating & Cooling, Llc
Certified Air Conditioning Contractor · Lake City, FL
About License CAC1816913
D.L. Williams Heating & Cooling, Llc is a licensed Certified Air Conditioning Contractor operating in Lake City, in Columbia County. The business holds license CAC1816913 issued by the Florida Department of Business and Professional Regulation (DBPR), currently in Current, Active status with an expiration date of August 31, 2026. Public permit records show 3 permits filed under this license across 3 counties over the past 24 months.
License Details
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Permit History
Public building permit records filed under license CAC1816913. Sourced from county building departments. Most recent first.
Activity by County
Recent Permits
| Date Filed | Project | Location | Value | Status |
|---|---|---|---|---|
| Oct 23, 2025 | Mechanical Permit #42511816 | St. Johns County | — | — |
| Oct 23, 2025 | Commercial Mechanical Scope — Mechanical Scope Permit #2025092754 | Marion County | — | Expired |
| Sep 16, 2025 | replace existing ac unit like for like Mechanical Permit — Alteration/Repair/Replace Permit #M25-001098 | Alachua County | — | Finaled |
| Oct 9, 2023 | change out existing unit and replace with 2 4 ton units BLDC-2023-0067 Mechanical - Commercial - Change Out — HVAC Changeout Permit #MECC-2023-0070 | Nassau County | — | Finaled |
| Oct 9, 2023 | Change out existing unit with a new 6 ton unit BLDC-2023-0064 Mechanical - Commercial - Change Out — HVAC Changeout Permit #MECC-2023-0069 | Nassau County | — | Finaled |
| Oct 9, 2023 | change out existing unit with 2 new 4 ton units BLDC-2023-0060 Mechanical - Commercial - Change Out — HVAC Changeout Permit #MECC-2023-0068 | Nassau County | — | Finaled |
| Oct 9, 2023 | Change out existing unit with a new a 6 ton unit BLDC-2023-0059 Mechanical - Commercial - Change Out — HVAC Changeout Permit #MECC-2023-0067 | Nassau County | — | Finaled |
| Oct 9, 2023 | seal existing duct work and hang new grilles BLDC-2023-0066 Mechanical - Commercial - Ductwork — Ductwork Permit #MECC-2023-0066 | Nassau County | — | Finaled |
| Oct 9, 2023 | seal existing duct work and hang grilles BLDC-2023-0063 Mechanical - Commercial - Ductwork — Ductwork Permit #MECC-2023-0065 | Nassau County | — | Finaled |
| Oct 9, 2023 | seal existing duct work and hang new grilles BLDC-2023-0062 Mechanical - Commercial - Ductwork — Ductwork Permit #MECC-2023-0064 | Nassau County | — | Finaled |
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