General ConstructionQueensPermit Issued

Major Home Extension at 39-18 221 Street, Queens

39-18 221 STREET, QUEENS, 11361 · Bayside

Estimated Project Cost

$0

General Construction

Issued

June 10, 2026

Expires

February 24, 2027

License

General Contractor

About This Project

A substantial general construction project is underway at 39-18 221 Street in Queens, involving a vertical and horizontal extension of an existing one-family house. This project also includes the addition of an Accessory Dwelling Unit (ADU) and aims to obtain a new Certificate of Occupancy.

The permit was issued on June 10, 2026, with an estimated project cost of $1,450,764. The contractor for this extensive renovation is Stream Rock Construction. Such projects can significantly alter a property's footprint and value.

What This Means For You

For homeowners in Bayside considering major renovations, this $1.45 million project highlights the significant investment involved in extending a home and adding an ADU.

The Business That Did This Work

STREAM ROCK CONTSRUCTION*

General Contractor · License #623618

963 FOREST HILL ROAD

95 permits filed · 15 neighborhoods

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Permit Details

Tracking Number752466887
Work Permit #Q01308741-I1-MS
Job Filing Number
Work TypeGeneral Construction
StatusPermit Issued
Job DescriptionVERTICAL & HORIZONTAL EXTENSION OF EXISTING ONE FAMILY HOUSE + 1 ADU. OBTAIN NEW C OF O
Floor / UnitCellar, Floor Number(s) 1, Floor Number(s) 1, Floor Number(s) 2, Attic
Estimated Cost$1,450,764
ApprovedMay 1, 2026
IssuedJune 10, 2026
ExpiresFebruary 24, 2027
BBL
BIN

Property Owner

N/A

AI QIU ZHANG

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home extensionADUgeneral constructionBaysideQueensNew York City$1M+ project

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