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General ConstructionStaten islandPermit issued

Second Story Addition at 221 Thornycroft Avenue, Staten Island

221 THORNYCROFT AVENUE, Staten island, 10312 · Great Kills-Eltingville

Winston

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Reported project cost

$305,650

As declared on the permit filing. Structural.

Issued
May 21, 2026
Expires
July 1, 2026
License
General Contractor

What was permitted

This permit details a significant general construction project involving the addition of a second story to a property in the Great Kills-Eltingville neighborhood of Staten Island. Miscellaneous work throughout the existing structure is also included as per the submitted plans.

The permit was issued on May 21, 2026, with an estimated project cost of $305,650. TROOST BROS INC is the general contractor managing this extensive renovation.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number120833588
Work permit #S01376710-I1-GC-CX
Job filing number—
Work typeStructural
StatusPermit Issued
Job descriptionNEW SECOND STORY ADDITION AND MISC. WORK THROUGHOUT AS INDICATED ON PLANS SUBMITTED HEREWITH
Floor / unitBasement, Floor Number(s) 1, Floor Number(s) 2
Estimated cost$305,650
ApprovedApril 14, 2026
IssuedMay 21, 2026
ExpiresJuly 1, 2026
BBL—
BIN—

Property owner

Not Applicable

Gregory Weck

Related searches

general constructionsecond story additionGreat Kills-EltingvilleStaten Islandbuilding permit$300k+