What was permitted
A recent building permit in the Chatsworth - Porter Ranch area is a supplemental permit primarily to update the contractor information for an existing project. This type of permit ensures that all parties involved in the construction are properly documented with the city.
Issued on June 3, 2026, this permit reflects a change in the contractor from A T A Construction Services to MAMCO INC. The project is categorized as commercial, and no specific cost was reported for this contractor change itself.
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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 | 23016-10004-38597 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Bldg-Alter/Repair |
| Status | Issued |
| Job description | SUPPLEMENTAL PERMIT TO 23016-10004-38597 TO CHANGE CONTRACTOR FROM A T A CONSTRUCTION SERVICES (974795) TO MAMCO INC (883649) |
| Floor / unit | — |
| Estimated cost | Not reported |
| Approved | — |
| Issued | June 3, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
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