Projects AheadProjects
Ahead

PERMIT RECORD · CHICAGO, IL

Mechanical / HVAC permits in Chicago, IL

121,524 mechanical / hvac permits between 2006 and 2026 — 15.4% of all permits in this market. 4,136 in the last twelve months, from 6,808 companies on record.

Activity by year

YearPermits
20066,760
20076,455
20085,103
20094,140
20104,527
20114,854
20125,294
20136,246
20146,732
20156,923
20167,620
20177,920
20187,780
20197,585
20206,027
20215,629
20226,140
20235,034
20244,050
20254,031
20262,674

Distinct permit numbers as classified by the issuing authority.

Most active mechanical / hvac companies, last 12 months

CompanyPermits
Admiral Heating & Ventilating79
Competitive Piping Systems77
Sherman Mechanical Inc51
Environment Mechanical Service50
Enviromental Mechanical Serv.43
Anm Mechanical Services LLC38
Ct Mechanical LLC34
Blue Line Electric Havc32
Benjamin Curescu Heating31
Arlington Heating & Cooling30
Indoor Air Mechanical Inc.30
Csl Climate Control Co30

Ranked by filing volume, not by revenue, capacity or quality.

Get told when this changes

We send new permits matching what you are looking at — the same public records shown on this page, as they are issued.

Next-trade forecasts are measured but not released: no market has cleared our own release gate yet. Ticking the box records interest — it is not a subscription. What we withhold and why →

Your address is used only to send what you asked for. No sharing, no resale, one click to stop. Privacy.

Source and limits

City of Chicago Building Permits (Socrata ydr8-5enu). Refreshed daily. A permit records a filing, not a completed job or an awarded contract, and a quiet period may mean work was filed outside this dataset. All permit activity in Chicago →