Home Extension and ADU Project at 39-18 221 Street, Queens
39-18 221 STREET, QUEENS, 11361 · Bayside
Estimated Project Cost
$0
Earth Work
Issued
June 10, 2026
Expires
February 24, 2027
License
General Contractor
About This Project
This permit is for a significant expansion of an existing one-family house in Bayside, Queens, involving both vertical and horizontal extensions. The project also includes the addition of an Accessory Dwelling Unit (ADU), which will require a new Certificate of Occupancy.
Issued on June 10, 2026, this substantial project has an estimated cost of $1,450,764 and is being handled by STREAM ROCK CONTSRUCTION*. This indicates a major investment in expanding residential living space and potentially increasing property value.
What This Means For You
A large-scale home expansion project in Bayside, Queens, with an estimated cost exceeding $1.4 million, signals significant residential development and increased housing capacity.
The Business That Did This Work
STREAM ROCK CONTSRUCTION*
General Contractor · License #623618
963 FOREST HILL ROAD
95 permits filed · 15 neighborhoods
Permit Details
| Tracking Number | 578194403 |
| Work Permit # | Q01308741-I1-FO-EA |
| Job Filing Number | — |
| Work Type | Earth Work |
| Status | Permit Issued |
| Job Description | VERTICAL & HORIZONTAL EXTENSION OF EXISTING ONE FAMILY HOUSE + 1 ADU. OBTAIN NEW C OF O |
| Floor / Unit | Cellar, Floor Number(s) 1, Floor Number(s) 1, Floor Number(s) 2, Attic |
| Estimated Cost | $1,450,764 |
| Approved | May 1, 2026 |
| Issued | June 10, 2026 |
| Expires | February 24, 2027 |
| BBL | — |
| BIN | — |
Property Owner
N/A
AI QIU ZHANG
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