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BuildNYC
Two stories - detached, small or mid-size
571 EAST 31ST STREET
BROOKLYN · BIN 3113800
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1915Year Built
2Stories
A1Building Class
R6Zoning
1,260 sfGross Floor Area
1Units
FDNY Report ↗
Two stories - detached, small or mid-size · Owner of record: Orchid Homes · 2,000 sf lot · 0.63 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanicalPlumbingGeneral
Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.
Permit Issued — active, not yet Signed-off
RoofTwo-family residential building enlargementUnder Construction1p · 1 filing · 20 docs
AtticPlumbing work in 2-story 2-family buildingUnder Construction20p · 2 filings · 20 docs
Floor 2Plumbing work in 2-story 2-family buildingUnder Construction26p · 2 filings · 20 docs
Floor 1Plumbing work in 2-story 2-family buildingUnder Construction26p · 2 filings · 20 docs
CellarPlumbing work in 2-story 2-family buildingUnder Construction25p · 2 filings · 20 docs
Site & exteriorConstruction of fenceUnder Construction2p · 1 filing · 2 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
Orchid Homes1110/13/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
07/21/2025$510K—— → —$405/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
Prime Zone Building Consulting309/14/2026
Yan Engineering207/24/2026
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
Prime Zone Building Consulting103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
Level 10 Construction GR*General Contractor309/03/2026
Level 10 Construction GR*Scaffold109/24/2026
Plumbing P & HPlumbing109/19/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
Hertz Engineering9414307/24/2026
Building Lifecycle
All (65)Filed (5)Permit Issued (5)Objection (45)Special Inspection (10)
09/23/2026
Permit issued — Construction Fence
B01354442-I1-FN
09/18/2026
Permit issued — Plumbing
B01354445-I1-PL
09/14/2026
Filed — Alteration
PLUMBING WORK IN 2-STORY WITH CELLAR AND ATTIC, 2-FAMILY BUILDING IN CONJUNCTION WITH ALT-2 APPLICATION #B01306775-I1
B01354445-I1
09/14/2026
Special inspection requirement — Energy Code Compliance Inspections
JICHEN SUN
09/14/2026
Special inspection requirement — HVAC-R and service water heating system controls
JICHEN SUN
09/14/2026
Special inspection requirement — HVAC-R and service water heating equipment
JICHEN SUN
09/14/2026
Special inspection requirement — HVAC-R and service water piping design and insulation
JICHEN SUN
09/02/2026
Permit issued — Foundation
B01306775-S1-FO
08/31/2026
Permit issued — Structural
B01306775-S2-ST
08/07/2026
Objection resolved — Resolved
08/06/2026
Filed — Alteration
INSTALL TEMPORARY CONSTRUCTION FENCE FOR ALT-2 JOB FILED UNDER DOB # B01306775-I1
B01354442-I1
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/06/2026
Objection resolved — Resolved
08/03/2026
Objection raised — Other
08/03/2026
Objection raised — Structural
08/03/2026
Objection raised — Structural
08/03/2026
Objection raised — Structural
08/03/2026
Objection raised — Inspections
08/03/2026
Objection raised — Inspections
08/03/2026
Objection raised — Inspections
08/03/2026
Objection raised — Admin
08/03/2026
Objection raised — Structural
08/03/2026
Objection raised — Admin
08/03/2026
Objection raised — Other
08/03/2026
Objection raised — Structural
08/03/2026
Objection raised — Energy
07/28/2026
Objection raised — Admin
07/28/2026
Objection raised — Admin
07/28/2026
Objection raised — Structural
07/28/2026
Objection raised — Fire_Protection
07/28/2026
Objection raised — Admin
07/28/2026
Objection raised — Admin
07/24/2026
Filed — Alteration
PROPOSED 1ST AND 2ND FLOOR HORIZONTAL ENLARGEMENT AT THE REAR, AND VERTICAL ENLARGEMENT AT 2ND FLOOR FRONT FOR EXISTING (2) TWO-STORY, (2) TWO-FAMILY RESIDENTIAL BUILDING WITH CELLAR
B01306775-S1
07/24/2026
Permit issued — General Construction
B01306775-I1-GC
07/23/2026
Filed — Alteration
PROPOSED 1ST AND 2ND FLOOR HORIZONTAL ENLARGEMENT AT THE REAR, AND VERTICAL ENLARGEMENT AT 2ND FLOOR FRONT FOR EXISTING (2) TWO-STORY, (2) TWO-FAMILY RESIDENTIAL BUILDING WITH CELLAR
B01306775-S2
07/21/2026
Special inspection requirement — Subgrade Inspections
JASON S. HERTZ
07/20/2026
Special inspection requirement — Subsurface Investigations (Borings/Test Pits)
07/20/2026
Special inspection requirement — Structural Stability – Alterations of existing buildings
JASON S. HERTZ
07/20/2026
Special inspection requirement — Concrete - Cast-In-Place
JASON S. HERTZ
02/19/2026
Objection resolved — Addressed
02/19/2026
Objection resolved — Addressed
02/19/2026
Objection resolved — Addressed
02/04/2026
Special inspection requirement — Footing and Foundation
JASON S. HERTZ
02/04/2026
Special inspection requirement — Final
JASON S. HERTZ
Latest 60 of 65 events.
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWConstruction FencePermit IssuedLevel 10 Construction GR*09/23/2026
DOB NOWPlumbingPermit IssuedPlumbing P & H09/18/2026
DOB NOWFoundationPermit IssuedLevel 10 Construction GR*09/02/2026
DOB NOWStructuralPermit IssuedLevel 10 Construction GR*08/31/2026
DOB NOWGeneral ConstructionPermit IssuedLevel 10 Construction GR*07/24/2026
1 project · most recent 09/14/2026
Gas Storm Water/Sanitary
FiledStatusContractorScope
09/14/2026Permit IssuedPlumbing P & HGas, Storm, Water/Sanitary
1 project · most recent 02/09/2026
General Wiring Lighting
FiledStatusContractorScope
02/09/2026Permit IssuedBDS ElectricGeneral Wiring, Lighting
1 project · most recent 08/06/2026
Fence
FiledStatusContractorScope
08/06/2026Permit IssuedLevel 10 ConstructionFence
▾Special Inspection Requirements (DOB NOW) — 10
DateRequirementInspectorRole
09/14/2026Energy Code Compliance InspectionsJICHEN SUNprogress
09/14/2026HVAC-R and service water heating system controlsJICHEN SUNenergy_progress
09/14/2026HVAC-R and service water heating equipmentJICHEN SUNenergy_progress
09/14/2026HVAC-R and service water piping design and insulationJICHEN SUNenergy_progress
07/21/2026Subgrade InspectionsJASON S. HERTZspecial
07/20/2026Subsurface Investigations (Borings/Test Pits)—special
07/20/2026Structural Stability – Alterations of existing buildingsJASON S. HERTZspecial
07/20/2026Concrete - Cast-In-PlaceJASON S. HERTZspecial
02/04/2026Footing and FoundationJASON S. HERTZprogress
02/04/2026FinalJASON S. HERTZprogress
▾Documents — 24 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
10/13/2026B01354445-I1Request digital key ↗
08/19/2026B01306775-I1Request digital key ↗
08/16/2026B01354442-I1Request digital key ↗
Showing 3 of 5 on file for this type
▸Zoning, Tax Lot & Property Records3
▸DOB NOWZD1: DOB Zoning Diagram2
08/19/2026B01306775-I1Open ↗
08/13/2026B01306775-I1Open ↗
▸DOB NOWZoning Exhibit form (1-5)1
08/13/2026B01306775-I1Open ↗
▸Seals & Professional Certifications7
▸DOB NOWDPL-1: Design Professional Seal & Signature5
09/19/2026B01354445-I1Open ↗
08/19/2026B01306775-I1Open ↗
08/19/2026B01306775-S1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature1
08/23/2026B01306775-S1Open ↗
▸DOB NOWProgress Inspector Seal & Signature1
08/23/2026B01306775-S1Open ↗
▸Environmental & Asbestos3
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
08/19/2026B01306775-I1Open ↗
08/14/2026B01306775-S2Open ↗
08/14/2026B01306775-S1Open ↗
▸Inspections & Test Reports2
▸DOB NOWTR4 Test Report and Plot Diagram1
08/14/2026B01306775-S1Open ↗
▸DOB NOWSOIL REPORT1
08/14/2026B01306775-S1Open ↗
▸Other Documents4
▸DOB NOWPlot Diagram2
08/14/2026B01306775-S1Open ↗
08/13/2026B01306775-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B01306775-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/13/2026B01306775-I1Open ↗