Two family brick

951 52 STREET

BROOKLYN · BIN 3138237

💬 Discuss this project

1905Year Built

2Stories

B1Building Class

R6Zoning

3,120 sfGross Floor Area

2Units

1 Open Violation 0 unresolved · 1 paperwork only ▸FDNY Report ↗

Two family brick · 2,003 sf lot · 1.56 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralElectricalGeneral

Permit Issued — active, not yet Signed-off

Floor 4Under Construction17p · 1 filing · 20 docs

Floor 3Under Construction17p · 1 filing · 20 docs

Floor 2Under Construction18p · 1 filing · 20 docs

Floor 1Under Construction17p · 1 filing · 20 docs

CellarUnder Construction19p · 2 filings · 20 docs

Sub-Basement2p · 1 filing · 16 docs

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
07/24/2019	$1.5M	—	Private party → Private party	$473/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
JIAN ENGINEERING PLLC	2	03/02/2022
RYAN DESIGN ARCHITECTURE	2	03/23/2021

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
RYAN DESIGN ARCHITECTURE	2	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
LL CUSTOM HOMES LLC	General Contractor	13	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
JIAN ENGINEERING PLLC	7397	3	03/02/2022

Building Lifecycle

All (14)Filed (4)Permit Issued (8)Violation (2)

12/15/2025

Permit issued — General Construction

B00488251-I1-GC-CX

12/03/2025

Permit issued — Construction Fence

B00205310-I1-FN

01/22/2025

Violation issued (ECB, open)

Construction

01/06/2025

Permit issued — General Construction

B00488251-I1-GC-CX

12/24/2024

Permit issued — Construction Fence

B00205310-I1-FN

01/16/2024

Permit issued — Foundation

B00488251-I1-GC-CX

08/24/2023

Violation issued (ECB, closed)

Construction

05/22/2023

Permit issued — Structural

B00488251-I1-GC-CX

02/15/2023

Permit issued — Foundation

B00650390-I1-FO

02/14/2023

Permit issued — Construction Fence

B00205310-I1-FN

03/02/2022

Filed — Alteration

FOUNDATION STRUCTUAL DESIGN AND SLAB ELEVATION LOWERED TO CELLAR LEVEL from 90.27 to 88.27 FILED IN CONJUNCTION WITH B00488251 FORNEW ENLARGEMNT

B00650390-P1

02/21/2022

Filed — Alteration

FOUNDATION STRUCTUAL DESIGN AND SLAB ELEVATION LOWERED TO CELLAR LEVEL from 90.27 to 88.27 FILED IN CONJUNCTION WITH B00488251 FORNEW ENLARGEMNT

B00650390-I1

03/23/2021

Filed — ALT-CO - New Building with Existing Elements to Remain

B00488251-I1

10/21/2019

Filed — Alteration

B00205310-I1

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	General Construction	Permit Issued	LL CUSTOM HOMES LLC	12/15/2025
DOB NOW	Construction Fence	Permit Issued	LL CUSTOM HOMES LLC	12/03/2025
DOB NOW	General Construction	Permit Issued	LL CUSTOM HOMES LLC	01/06/2025
DOB NOW	Construction Fence	Permit Issued	LL CUSTOM HOMES LLC	12/24/2024
DOB NOW	Foundation	Permit Issued	LL CUSTOM HOMES LLC	01/16/2024
DOB NOW	Structural	Permit Issued	LL CUSTOM HOMES LLC	05/22/2023
DOB NOW	Foundation	Permit Issued	LL CUSTOM HOMES LLC	02/15/2023
DOB NOW	Construction Fence	Permit Issued	LL CUSTOM HOMES LLC	02/14/2023
BIS	OT	ISSUED	LL CUSTOM HOMES LLC	12/18/2021
BIS	OT	ISSUED	LL CUSTOM HOMES LLC	12/21/2020
BIS	OT	ISSUED	LL CUSTOM HOMES LLC	03/13/2020

1 project · most recent 03/02/2022

Filed	Status	Contractor	Scope
03/02/2022	Permit Issued	LL CUSTOM HOMES LLC	1 scope_items

▾Special Inspection Requirements (DOB NOW) — 35

Date	Requirement	Inspector	Role
03/05/2022	Footing and Foundation	JIAN DENG	progress
03/05/2022	Final	JIAN DENG	progress
03/05/2022	Subgrade Inspections	JIAN DENG	special
03/05/2022	Structural Stability – Alterations of existing buildings	JIAN DENG	special
03/02/2022	Structural Stability – Alterations of existing buildings	JIAN DENG	special
03/02/2022	Subgrade Inspections	JIAN DENG	special
03/02/2022	Final	JIAN DENG	progress
03/02/2022	Footing and Foundation	JIAN DENG	progress
03/18/2021	Masonry	JIAN DENG	special
03/18/2021	Structural Steel - Welding	JIAN DENG	special
03/18/2021	Concrete - Cast-In-Place	JIAN DENG	special
03/18/2021	Exterior Insulation and Finish Systems (EIFS)	JIAN DENG	special
03/18/2021	Subgrade Inspections	JIAN DENG	special
03/18/2021	Subsurface Investigations (Borings/Test Pits)	JIAN DENG	special
03/18/2021	Fire-Resistant Penetrations and Joints	JIAN DENG	special
03/18/2021	Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation	JIAN DENG	special
03/18/2021	Energy Code Compliance Inspections	JIAN DENG	progress
03/18/2021	Fire-Resistance Rated Construction	JIAN DENG	progress
03/18/2021	Structural Cold-Formed Steel	JIAN DENG	special
03/18/2021	Structural Steel - High Strength Bolting	JIAN DENG	special
03/18/2021	Lighting controls	JIAN DENG	energy_progress
03/18/2021	Insulation placement and R values	JIAN DENG	energy_progress
03/18/2021	Lighting in dwelling units	JIAN DENG	energy_progress
03/18/2021	Exterior lighting power	JIAN DENG	energy_progress
03/18/2021	Fenestration and door U-factor and product ratings	JIAN DENG	energy_progress

Latest 25 of 35.

▾Documents — 101 on file (BIS + DOB NOW)

▸Plans & Drawings4

▸DOB NOWPlans/Sketch3

09/01/2026B00488251-I1Request digital key ↗

08/31/2026B00650390-P1Request digital key ↗

08/31/2026B00650390-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Construction Fence1

09/02/2026B00205310-I1Request digital key ↗

▸Applications & Permits4

▸BISPLAN / WORK APPROVAL APPLICATION3

01/12/2021340743921Open ↗

09/03/2020340743921Open ↗

12/17/2019322018749Open ↗

▸BISWORK PERMIT APPLICATION1

03/18/2020322018749Open ↗

▸Zoning, Tax Lot & Property Records6

▸BISZONING DIAGRAM2

01/12/2021340743921Open ↗

12/20/2019322018749Open ↗

▸BISZONING EXHIBIT III:DESC. & OWNRSHP.STMNT1

09/03/2020340743921Open ↗

▸DOB NOWHouse Number Verification: TOPO Stamp1

08/13/2026B00488251-I1Open ↗

▸DOB NOWZoning Exhibit form (1-5)1

08/13/2026B00488251-I1Open ↗

▸DOB NOWZD1: DOB Zoning Diagram1

08/13/2026B00488251-I1Open ↗

▸Seals & Professional Certifications46

▸DOB NOWProgress Inspector Seal & Signature19

08/26/2026B00488251-I1Open ↗

Showing 3 of 19 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature16

08/26/2026B00488251-I1Open ↗

Showing 3 of 16 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature4

08/31/2026B00650390-I1Open ↗

08/31/2026B00650390-P1Open ↗

08/13/2026B00488251-I1Open ↗

Showing 3 of 4 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT2

09/03/2020340743921Open ↗

12/17/2019322018749Open ↗

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION2

03/18/2020322018749Open ↗

12/17/2019322018749Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1

09/03/2020340743921Open ↗

▸BISPROFESSIONAL CERTIFIED CHECKLIST1

12/17/2019322018749Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1

09/03/2020340743921Open ↗

▸Trade Schedules & Equipment2

▸BISDEP STORMWATER SEWER CERTIFICATION (HCP/SCP)1

09/03/2020340743921Open ↗

▸BISDEP SANITARY SEWER CERTIFICATION (HCP/SCP)1

09/03/2020340743921Open ↗

▸Safety & Tenant Protection6

▸BISSTREET TREE CHECKLIST3

01/12/2021340743921Open ↗

09/03/2020340743921Open ↗

12/17/2019322018749Open ↗

▸BISTenant Protection Plan and Notes1

12/17/2019322018749Open ↗

▸DOB NOWStreet Trees Site Plan1

08/13/2026B00488251-I1Open ↗

▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1

08/13/2026B00488251-I1Open ↗

▸Environmental & Asbestos5

▸DOB NOWDEP ACP-5: Asbestos Assessment Report3

08/31/2026B00650390-I1Open ↗

08/31/2026B00650390-P1Open ↗

08/13/2026B00488251-I1Open ↗

▸BISASBESTOS: CERTIFICATION (DEP ACP5)2

09/03/2020340743921Open ↗

12/17/2019322018749Open ↗

▸Energy Compliance4

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2

03/18/2020322018749Open ↗

12/17/2019322018749Open ↗

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1

09/03/2020340743921Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1

09/03/2020340743921Open ↗

▸Inspections & Test Reports4

▸BISSOIL REPORT1

09/03/2020340743921Open ↗

▸BISTECHNICAL REPORT: RESPONSIBILITY1

09/03/2020340743921Open ↗

▸DOB NOWTR4 Test Report and Plot Diagram1

08/13/2026B00488251-I1Open ↗

▸DOB NOWSOIL REPORT1

08/13/2026B00488251-I1Open ↗

▸Approvals, Objections & Sign-offs3

▸BISSCHEDULE A - OCCUPANCY / USE2

01/12/2021340743921Open ↗

10/01/2020340743921Open ↗

▸BISLETTERS - SUPPORTING DOCUMENTATION1

01/12/2021340743921Open ↗

▸Cost, Insurance & Ownership5

▸BISCOST AFFIDAVIT2

09/03/2020340743921Open ↗

12/17/2019322018749Open ↗

▸BISCOST AFFIDAVIT ESTIMATE: (PW3)1

01/12/2021340743921Open ↗

▸DOB NOWCertification by Insurance Broker or Agency1

08/13/2026B00488251-I1Open ↗

▸DOB NOWCertificate of Insurance1

08/13/2026B00488251-I1Open ↗

▸Filing & Intake Forms3

▸BISEFILING JOB APPLICATION COVER SHEET1

09/03/2020340743921Open ↗

▸BISADDITIONAL INFORMATION1

09/03/2020340743921Open ↗

▸BISEFILING COVER SHEET1

12/17/2019322018749Open ↗

▸Other Documents9

▸DOB NOWPlot Diagram2

08/13/2026B00650390-I1Open ↗

08/13/2026B00650390-P1Open ↗

▸BISSUSTAINABLE ROOF ZONE FORM1

09/03/2020340743921Open ↗

▸BISECCCNYS ANALYSIS1

09/03/2020340743921Open ↗

▸BISBPP: FILING REQUIRED1

09/03/2020340743921Open ↗

▸BISPLOT DIAGRAM1

09/03/2020340743921Open ↗

▸DOB NOWAdditional Insured Authorizations1

08/13/2026B00488251-I1Open ↗

▸DOB NOWFinal Survey1

08/13/2026B00488251-I1Open ↗

▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1

08/13/2026B00488251-I1Open ↗