Permit Record

General Construction

609 Knickerbocker Avenue, Brooklyn, NY 11221

ClassificationGeneral ConstructionMultifamily Alteration
Reliable value$283,600
ContractorUp Construction And Resto →
Permit record
Parties
Contractor
Up Construction And Resto
Applicant
Marta Frejek
Owner
Pjdl LLC
Architect
Not in source
Engineer
Not in source
Contractor license
614380
Building & lot · PLUTO
Building class
S1
Zoning district
R6
Lot area
1,428 sq ft
Year built
1931
Units (total)
2
Units (residential)
1
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
3033620126
Climate zone (IECC)
4A
Roof area (est.)
523 sq ft
HVAC tonnage (est.)
3.5 tons
Building type
R
Building subtype
Not in source
Geocode & dates
Coordinates
40.6960, -73.9135
Geocode confidence
95%
Geocode source
Not in source
Issued
Oct 7, 2025
Applied
Not in source
Work class
Residential
Description
Source description

RENOVATION TO EXISTING COMMERCIAL SPACE ON 1ST FLOOR AND DWELLING UNIT ON 2ND FLOOR. MINOR WORK IN CELLAR. REMOVE AND CONSTRUCT PARTITIONS AND FINISHES. REPLACE EXISTING STOREFRONT. FACADE REPAIR. REPLACE WINDOWS. ALL AS PER PLANS SUBMITTED HEREWITH.

Status
Current status
issued
Source status
Permit Issued
Expired
Oct 7, 2026
Provenance
First seen by PermitCore
May 2, 2026 · 10:05 UTC
Last seen
May 12, 2026 · 00:11 UTC
Last changed
May 12, 2026 · 00:11 UTC

Open in New York City source →

Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

9 permits at this parcel (parcel 3033620126) · Aug 13, 2024 – Oct 7, 2025

  1. Oct 7, 2025This permitAlteration Residential · Issued$283,600Up Construction And Resto
  2. Oct 2, 2025652023643Alteration Residential · Issued$283,600Up Construction And Resto
  3. Aug 19, 2025919709969MEP Plumbing · Finaled$38,000Simple Choice Plbg And Ht
  4. Aug 6, 2025180177754Sidewalk Shed · Finaled$5,000Steel Construction LLC
  5. Apr 22, 2025840773912MEP Mechanical HVAC · Issued$10,000Ice Age Mechanical CORP
  6. Oct 8, 2024824197127Alteration Residential · Issued$283,600Up Construction And Resto
  7. Sep 27, 2024470706083Alteration Commercial · Issued$78,500Up Construction And Resto
  8. Aug 15, 2024201808037MEP Plumbing · Finaled$38,000Simple Choice Plbg And Ht
  9. Aug 13, 2024588256978Sidewalk Shed · Finaled$5,000Steel Construction LLC

Full permit history at this parcel · as of Aug 13, 2026.

Other permits by Up Construction And Resto

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Developer details
Permit #
840837657|General Construction
Canonical ID
1:840837657|General Construction
Source permit ID
840837657|General Construction
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