39-18 221 STREET, QUEENS, 11361 · Bayside
This permit details significant mechanical systems work for a substantial expansion of a one-family house in Bayside, Queens, including the addition of an Accessory Dwelling Unit (ADU). Homeowners considering major renovations can gauge the scale of such projects.
The project, with an estimated cost of $1,450,764, was issued on June 10, 2026, and requires a new Certificate of Occupancy. STREAM ROCK CONTSRUCTION* is listed as the general contractor.
A substantial home expansion in Bayside, Queens, with an estimated project cost exceeding $1.4 million, highlights the significant investment in major renovations.
Issued
June 10, 2026
Expires
February 24, 2027
License
General Contractor
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Filed by STREAM ROCK CONTSRUCTION* · 148 permits across 19 neighborhoods
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 177846550 |
| Work Permit # | Q01308741-I1-GC |
| Job Filing Number | — |
| Work Type | Structural |
| 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 |
N/A
AI QIU ZHANG
| Expires |
| February 24, 2027 |
| BBL | — |
| BIN | — |
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