What was permitted
A significant renovation is underway at 3440 N Janssen Ave in Chicago's Lake View neighborhood, involving a new wood frame addition to an existing masonry single-family residence. This project is being handled under the self-certification permit process.
Issued on October 28, 2026, this permit is currently active and has a reported project cost of $950,000. MARS ELECTRIC, INC. is listed as a contact for this extensive home alteration.
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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 | 101088029 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | — |
| Status | ACTIVE |
| Job description | SELF-CERT 2019 CBC: NEW WOOD FRAME (V-A) ADDITION TO AN EXISTING MASONRY (III-A) SINGLE-FAMILY RESIDENCE WITH A BASEMENT, AS PER PLANS. RT-3.5 ZONING / SELF-CERT PERMIT PROCESS |
| Floor / unit | — |
| Estimated cost | $950,000 |
| Approved | September 8, 2026 |
| Issued | October 28, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Property owner
Nathaniel & Sarah Sager
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