What was permitted
A significant mechanical project is underway at 8560 S Cottage Grove Ave in Chicago's Chatham neighborhood, involving gas piping extension and reconfiguration. This permit covers the repair and replacement of two rooftop packaged units.
Issued on June 10, 2026, with a reported project cost of $500,000, this permit is active and managed by DYNAMIC HEATING AND PIPING CO. The work impacts rooftop systems and includes electrical components.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | B200463026 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Mechanical Work |
| Status | ACTIVE |
| Job description | GAS PIPING EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(AAON RN-020-3-0-GAAY-V0-21-000-A, ROOFTOP) 2 ROOFTOP PACKAGED UNIT(AAON, RN-025-3-0-GAAY-V0-21-000-A, ROOFTOP) . ELECTRICAL WORK UNDER THIS PERMIT = YES . LOCATIONS: 0 RESIDENTIAL UNIT(S), 0 NON-RESIDENTIAL UNIT(S), EXTERIOR WORK, ROOFTOP. |
| Floor / unit | — |
| Estimated cost | $500,000 |
| Approved | March 20, 2026 |
| Issued | June 10, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Property owner
Dl3 Chatham LLC
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