Preview 316,582 permits — every permit Chicago, Austin and Seattle issued in the last ten years. The full load is in progress, so this is how far it has got. Sourced from city open-data portals. Data as of 2026-09-20.

INTERSTATE MECHANICAL &

Chicago, IL

The city has published this business under 2 spellings (INTERSTATE MECHANICAL &; INTERSTATE MECHANICAL), counted here as one.

25 Permits on record
20 Addresses
1 Permit types

Permits issued between 2018-01-23 and 2022-07-13.

How long the city took

Days from application to issue, by permit type, with the city's own median for the same type beside it. This measures the permit office as much as the contractor.

Permit typePermitsMedian daysChicago medianSlowest 10%
PERMIT - EASY PERMIT PROCESS250 016

What they pull permits for

Trades

ValuepermitsShare
Plumbing 13
Mechanical 12

Where they have worked

20 addresses. Most recently permitted first.

Every permit above is published by the City of Chicago in its open-data portal. 316,582 permits — every permit Chicago, Austin and Seattle issued in the last ten years. The full load is in progress, so this is how far it has got.