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One family attached or semi-detached
725 51 STREET
BROOKLYN · Sunset Park (Central) · BIN 3013457
💬 Discuss this project
1940Year Built
2Stories
A5Building Class
R6BZoning
1,073 sfGross Floor Area
1Units
FDNY Report ↗
One family attached or semi-detached · 1,430 sf lot · 0.75 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralPlumbingLandscapeGeneral
Roof4p · 1 filing · 7 docs
Floor 27p · 2 filings · 20 docs
Floor 17p · 2 filings · 20 docs
Cellar4p · 2 filings · 20 docs
Filed — no permit issued4p · 2 filings · 6 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
12/21/2021$950K—Private party → Private party$885/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
HPL ENGINEERING P.C.608/01/2022
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
JM CONSULTANT STUDIO1203/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
SPLEN CONSTRUCTION INCGeneral Contractor107/08/2026
CATMAN PLUMBING INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
HPL ENGINEERING PC5613608/01/2022
Building Lifecycle
All (56)Filed (6)Permit Issued (2)Signed Off (2)Inspection (4)Objection (30)Special Inspection (12)
08/26/2022
Signed off — Alteration
FILE PLUMBING WORK IN-CONJUNCTION WITH DOBNow GENERAL CONSTRUCTION JOB#: B00662519. CAP & REMOVE PLUMBING FIXTURES. INSTALL NEW & REPLACE PLUMBING FIXTURES AS PER PLAN SUBMITTED. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B00662594-I1
08/26/2022
Signed off — Alteration
RENOVATE CELLAR, 1ST & 2ND FLOOR FOR AN EXISTING 2 STORY, 1 FAMILY HOUSE. NEW PARTITION AS PER PLAN SUBMITTED. PLUMBING WORK TO BE FILED UNDER DOBNow APPLICATION#: B00662594. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B00662519-I1
08/18/2022
Objection resolved — Addressed
08/18/2022
Objection resolved — Addressed
08/18/2022
Objection resolved — Addressed
08/12/2022
Objection raised — Other
08/08/2022
Objection raised — Other
08/08/2022
Objection raised — Other
08/01/2022
Filed — Alteration
RENOVATE CELLAR, 1ST & 2ND FLOOR FOR AN EXISTING 2 STORY, 1 FAMILY HOUSE. NEW PARTITION AS PER PLAN SUBMITTED. PLUMBING WORK TO BE FILED UNDER DOBNow APPLICATION#: B00662594. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B00662519-P1
07/06/2022
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
07/06/2022
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
06/30/2022
Inspection — Pass-Final PL - Up to 3 Requested Floors
Pass
View inspection ↗
04/25/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
04/19/2022
Special inspection requirement — HVAC-R and service water heating equipment
Fran Huang
04/19/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Fran Huang
04/19/2022
Special inspection requirement — Energy Code Compliance Inspections
Fran Huang
04/19/2022
Special inspection requirement — HVAC-R and service water piping design and insulation
Fran Huang
04/19/2022
Special inspection requirement — HVAC-R and service water heating system controls
Fran Huang
04/19/2022
Special inspection requirement — Maintenance information
Fran Huang
04/18/2022
Filed — Alteration
FILE PLUMBING WORK IN-CONJUNCTION WITH DOBNow GENERAL CONSTRUCTION JOB#: B00662519. CAP & REMOVE PLUMBING FIXTURES. INSTALL NEW & REPLACE PLUMBING FIXTURES AS PER PLAN SUBMITTED. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B00662594-P1
04/18/2022
Special inspection requirement — Fire-Resistant Penetrations and Joints
Fran Huang
04/18/2022
Special inspection requirement — Energy Code Compliance Inspections
Fran Huang
04/18/2022
Special inspection requirement — Maintenance information
Fran Huang
04/18/2022
Special inspection requirement — HVAC-R and service water piping design and insulation
Fran Huang
04/18/2022
Special inspection requirement — HVAC-R and service water heating system controls
Fran Huang
04/18/2022
Special inspection requirement — HVAC-R and service water heating equipment
Fran Huang
03/14/2022
Permit issued — Plumbing
B00662594-I1-PL
03/10/2022
Permit issued — General Construction
B00662519-I1-GC
02/14/2022
Filed — Alteration
FILE PLUMBING WORK IN-CONJUNCTION WITH DOBNow GENERAL CONSTRUCTION JOB#: B00662519. CAP & REMOVE PLUMBING FIXTURES. INSTALL NEW & REPLACE PLUMBING FIXTURES AS PER PLAN SUBMITTED. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B00662594-I1
02/14/2022
Filed — Alteration
FILE MECHANICAL WORK IN-CONJUNCTION WITH DOBNow GC JOB #: B00662519. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B00677387-I1
02/14/2022
Filed — Alteration
FILE STRUCTURAL WORK IN-CONJUNCTION WITH DOBNow GC JOB #: B00662519. PROPOSE A NEW STAIR. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B00677370-I1
01/28/2022
Objection raised — Fire_Protection
01/28/2022
Objection resolved — Addressed
01/28/2022
Objection raised — Admin
01/28/2022
Objection resolved — Addressed
01/28/2022
Objection raised — Structural
01/28/2022
Objection resolved — Addressed
01/28/2022
Objection raised — Zoning
01/28/2022
Objection resolved — Addressed
01/28/2022
Objection raised — Structural
01/28/2022
Objection resolved — Addressed
01/28/2022
Objection raised — Other
01/28/2022
Objection resolved — Addressed
01/28/2022
Objection raised — Other
01/28/2022
Objection resolved — Addressed
01/28/2022
Objection raised — Inspections
01/28/2022
Objection resolved — Addressed
01/28/2022
Objection raised — Energy
01/28/2022
Objection resolved — Addressed
01/28/2022
Objection raised — Energy
01/28/2022
Objection resolved — Addressed
01/28/2022
Objection raised — Scope
01/28/2022
Objection resolved — Addressed
01/28/2022
Objection raised — Fire_Protection
01/28/2022
Objection resolved — Addressed
01/21/2022
Filed — Alteration
RENOVATE CELLAR, 1ST & 2ND FLOOR FOR AN EXISTING 2 STORY, 1 FAMILY HOUSE. NEW PARTITION AS PER PLAN SUBMITTED. PLUMBING WORK TO BE FILED UNDER DOBNow APPLICATION#: B00662594. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
B00662519-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offCATMAN PLUMBING INC03/14/2022
DOB NOWGeneral ConstructionSigned-offSPLEN CONSTRUCTION INC03/10/2022
1 project · most recent 02/14/2022
Ventilation Systems
FiledStatusContractorScope
02/14/2022——Ventilation Systems
1 project · most recent 03/14/2022
General Wiring
FiledStatusContractorScope
03/14/2022CompleteA.C. MORGAN ELECTRICGeneral Wiring
1 project · most recent 02/14/2022
Wood
FiledStatusContractorScope
02/14/2022——Wood
▾Field Inspections (DOB CAP) — 4
DateTypeResultReport
07/06/2022Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
07/06/2022Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
06/30/2022Pass-Final PL - Up to 3 Requested FloorsPassView ↗
04/25/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 12
DateRequirementInspectorRole
04/19/2022HVAC-R and service water heating equipmentFran Huangenergy_progress
04/19/2022Fire-Resistant Penetrations and JointsFran Huangspecial
04/19/2022Energy Code Compliance InspectionsFran Huangprogress
04/19/2022HVAC-R and service water piping design and insulationFran Huangenergy_progress
04/19/2022HVAC-R and service water heating system controlsFran Huangenergy_progress
04/19/2022Maintenance informationFran Huangenergy_progress
04/18/2022Fire-Resistant Penetrations and JointsFran Huangspecial
04/18/2022Energy Code Compliance InspectionsFran Huangprogress
04/18/2022Maintenance informationFran Huangenergy_progress
04/18/2022HVAC-R and service water piping design and insulationFran Huangenergy_progress
04/18/2022HVAC-R and service water heating system controlsFran Huangenergy_progress
04/18/2022HVAC-R and service water heating equipmentFran Huangenergy_progress
▾Documents — 30 on file (BIS + DOB NOW)
▸Plans & Drawings6
▸DOB NOWPlans/Sketch6
08/31/2026B00662594-I1Request digital key ↗
08/31/2026B00662594-P1Request digital key ↗
08/31/2026B00677387-I1Request digital key ↗
Showing 3 of 6 on file for this type
▸Seals & Professional Certifications18
▸DOB NOWProgress Inspector Seal & Signature10
09/12/2026B00662594-I1Open ↗
09/12/2026B00662594-I1Open ↗
09/12/2026B00662594-I1Open ↗
Showing 3 of 10 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature6
08/31/2026B00662594-P1Open ↗
08/31/2026B00662594-I1Open ↗
08/13/2026B00677370-I1Open ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
09/12/2026B00662594-I1Open ↗
08/26/2026B00662594-P1Open ↗
▸Environmental & Asbestos4
▸DOB NOWDEP ACP-5: Asbestos Assessment Report4
08/13/2026B00662519-P1Open ↗
08/13/2026B00662519-I1Open ↗
08/13/2026B00677370-I1Open ↗
Showing 3 of 4 on file for this type
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis2
08/31/2026B00662594-I1Open ↗
08/13/2026B00662519-I1Open ↗