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Two family frame
1841 EAST 21 STREET
BROOKLYN · Madison · BIN 3183269
💬 Discuss this project
1920Year Built
2.75Stories
B2Building Class
R3-2Zoning
3,010 sfGross Floor Area
2Units
FDNY Report ↗
Two family frame · 4,000 sf lot · 0.75 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralGeneral
Permit Issued — active, not yet Signed-off
RoofUnder Construction4p · 2 filings · 10 docs
Floor 1Under Construction9p · 1 filing · 5 docs
Site & exteriorUnder Construction20p · 1 filing · 5 docs
Filed — no permit issued21p · 1 filing · 4 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
CITISCAPE CONSULTING LTD707/08/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/05/2025$1.8M—— → —$590/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CONSULTING ENGINEER208/13/2026
CITISCAPE CONSULTING LTD406/18/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
CITISCAPE CONSULTING LTD403/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
OVADIA CONSTRUCTION GROUPGeneral Contractor207/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CITISCAPE CONSULTING LTD762106/08/2026
Building Lifecycle
All (89)Filed (6)Permit Issued (2)Objection (60)Special Inspection (21)
08/13/2026
Filed — Alteration
INTERIOR AND EXTERIOR RENOVATION WITH NEW FENESTRATIONS OF EXISTING 2 FAMILY 3 STORY BUILDING WITH CELLAR. NO CHANGE IN USE, OCCUPANCY, BULK AND FAR
B01413042-S1
08/13/2026
Special inspection requirement — Energy Code Compliance Inspections
08/12/2026
Special inspection requirement — Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation
08/12/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
08/12/2026
Special inspection requirement — HVAC-R and service water heating equipment
08/12/2026
Special inspection requirement — HVAC-R and service water heating system controls
08/12/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
08/10/2026
Objection resolved — Resolved
08/10/2026
Objection resolved — Resolved
08/10/2026
Objection resolved — Resolved
08/10/2026
Objection resolved — Resolved
08/10/2026
Objection resolved — Resolved
08/10/2026
Objection resolved — Resolved
08/10/2026
Objection resolved — Resolved
08/10/2026
Objection resolved — Resolved
07/13/2026
Objection raised — Other
07/13/2026
Objection raised — Zoning
07/13/2026
Objection raised — Zoning
07/13/2026
Objection raised — Zoning
07/10/2026
Objection raised — Zoning
07/10/2026
Objection raised — Scope
07/10/2026
Objection raised — Other
07/10/2026
Objection raised — Other
06/18/2026
Filed — Alteration CO
HORIZONTAL ENLARGEMENT AND INTERIOR RENOVATION WITH NEW FENESTRATION OF EXISTING 3 STORY 2 FAMILY BUILDING WITH CELLAR AND CONVERTING IT TO 1 FAMILY. NO CHANGE IN USE. CHANGE IN OCCUPANCY, EGRESS, BULK AND FAR
B01412954-I1
06/18/2026
Special inspection requirement — Fire-Resistance Rated Construction
06/18/2026
Special inspection requirement — Exterior Insulation and Finish Systems (EIFS)
06/18/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
06/17/2026
Permit issued — General Construction
B01413042-I1-GC
06/08/2026
Filed — Alteration
INTERIOR AND EXTERIOR RENOVATION WITH NEW FENESTRATIONS OF EXISTING 2 FAMILY 3 STORY BUILDING WITH CELLAR. NO CHANGE IN USE, OCCUPANCY, BULK AND FAR
B01413042-I1
06/05/2026
Special inspection requirement — Energy Code Compliance Inspections
06/05/2026
Special inspection requirement — Fire-Resistant Penetrations and Joints
06/05/2026
Special inspection requirement — Fenestration areas
06/05/2026
Special inspection requirement — Air barrier — testing
06/05/2026
Special inspection requirement — Maintenance information
06/05/2026
Special inspection requirement — Insulation placement and R values
06/05/2026
Special inspection requirement — Permanent certificate
06/05/2026
Special inspection requirement — Air barrier - visual inspection
06/05/2026
Special inspection requirement — Metering
06/05/2026
Special inspection requirement — Interior lighting power
06/05/2026
Special inspection requirement — Fenestration and door U-factor and product ratings
06/05/2026
Special inspection requirement — Fenestration air leakage
05/19/2026
Objection raised — Fire_Protection
05/19/2026
Objection raised — Other
05/19/2026
Objection raised — Zoning
05/19/2026
Objection raised — Structural
05/19/2026
Objection raised — Other
05/19/2026
Objection raised — Other
05/19/2026
Objection raised — Zoning
05/19/2026
Objection raised — Zoning
05/06/2026
Objection resolved — Addressed
04/15/2026
Objection raised — Zoning
04/15/2026
Objection resolved — Addressed
04/15/2026
Objection resolved — Addressed
03/24/2026
Objection raised — Other
03/24/2026
Objection resolved — Addressed
03/24/2026
Objection resolved — Addressed
03/24/2026
Objection resolved — Addressed
03/24/2026
Objection resolved — Addressed
03/24/2026
Objection resolved — Addressed
03/24/2026
Objection resolved — Addressed
Latest 60 of 89 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWGeneral ConstructionPermit IssuedOVADIA CONSTRUCTION GROUP06/17/2026
DOB NOWConstruction FencePermit IssuedOVADIA CONSTRUCTION GROUP01/26/2026
1 project · most recent 08/13/2026
Gas Storm Water/Sanitary
FiledStatusContractorScope
08/13/2026——Gas, Storm, Water/Sanitary
1 project · most recent 03/23/2026
Fence
FiledStatusContractorScope
03/23/2026Permit IssuedOVADIA CONSTRUCTION GROUPFence
▾Special Inspection Requirements (DOB NOW) — 21
DateRequirementInspectorRole
08/13/2026Energy Code Compliance Inspections—progress
08/12/2026Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation—special
08/12/2026Fire-Resistant Penetrations and Joints—special
08/12/2026HVAC-R and service water heating equipment—energy_progress
08/12/2026HVAC-R and service water heating system controls—energy_progress
08/12/2026HVAC-R and service water piping design and insulation—energy_progress
06/18/2026Fire-Resistance Rated Construction—progress
06/18/2026Exterior Insulation and Finish Systems (EIFS)—special
06/18/2026Structural Stability – Alterations of existing buildings—special
06/05/2026Energy Code Compliance Inspections—progress
06/05/2026Fire-Resistant Penetrations and Joints—special
06/05/2026Fenestration areas—energy_progress
06/05/2026Air barrier — testing —energy_progress
06/05/2026Maintenance information—energy_progress
06/05/2026Insulation placement and R values—energy_progress
06/05/2026Permanent certificate—energy_progress
06/05/2026Air barrier - visual inspection—energy_progress
06/05/2026Metering—energy_progress
06/05/2026Interior lighting power—energy_progress
06/05/2026Fenestration and door U-factor and product ratings—energy_progress
06/05/2026Fenestration air leakage—energy_progress
▾Documents — 16 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/17/2026B01322371-P1Request digital key ↗
08/17/2026B01322371-S1Request digital key ↗
08/16/2026B01413042-I1Request digital key ↗
Showing 3 of 6 on file for this type
▸Zoning, Tax Lot & Property Records1
▸DOB NOWZD1: DOB Zoning Diagram1
08/15/2026B01412954-I1Open ↗
▸Seals & Professional Certifications6
▸DOB NOWDPL-1: Design Professional Seal & Signature6
08/17/2026B01322371-I1Open ↗
08/17/2026B01322371-P1Open ↗
08/17/2026B01322371-S1Open ↗
Showing 3 of 6 on file for this type
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/16/2026B01413042-I1Open ↗
▸Other Documents2
▸DOB NOWProperty Ownership Certification1
08/14/2026B01322371-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/15/2026B01412954-I1Open ↗