What was permitted
A significant structural project is underway at 31 Osborne Street in Staten Island's Great Kills-Eltingville neighborhood. This permit covers alterations to a detached one-family residence, including the addition of an accessory dwelling unit (ADU) on the first floor with its own street-facing entrance.
This permit was issued on September 24, 2026, with an estimated project cost of $485,320. The work is being managed by BONOMO & SONS INC.
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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 | 923825602 |
|---|---|
| Work permit # | S01270967-I1-ST |
| Job filing number | — |
| Work type | General Construction |
| Status | Permit Issued |
| Job description | PLANS AND DOCUMENTS FILED HEREWITH FOR ALTERATION OF A DETACHED ONE-FAMILY RESIDENCE AND ADDITION OF AN ANCILLARY DWELLING UNIT (ADU) LOCATED AT FIRST FLOOR. MAIN FRONT ENTRANCE OF ADU DIRECTLY OPEN TO STREET FRONTAGE. |
| Floor / unit | Cellar, Floor Number(s) 1, Floor Number(s) 1, Floor Number(s) 2 |
| Estimated cost | $485,320 |
| Approved | October 8, 2025 |
| Issued | September 24, 2026 |
| Expires | December 1, 2026 |
| BBL | — |
| BIN | — |
Property owner
Not Applicable
Susan Amato
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