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Miscellaneous one family
1738 EAST 48 STREET
BROOKLYN · Flatlands · BIN 3220880
💬 Discuss this project
1920Year Built
2Stories
A9Building Class
R3-2Zoning
1,320 sfGross Floor Area
1Units
0 Open ViolationsFDNY Report ↗
Miscellaneous one family · 2,500 sf lot · 0.53 FAR built · Flood zone X500
Locations of Work
ArchitecturePlumbing
Floor 28p · 2 filings · 20 docs
Floor 17p · 2 filings · 20 docs
Cellar8p · 2 filings · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
TT T CONSTRUCTION303/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
08/20/2014$260K—— → —$197/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
HUAN DESIGN INC.505/31/2022
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
TT&T CONSTRUCTION INCGeneral Contractor203/21/2026
P.S.I. MECHANICALPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
HUAN DESIGN INC7669505/31/2022
Building Lifecycle
All (40)Filed (5)Permit Issued (2)Signed Off (1)Violation (3)Inspection (5)Special Inspection (24)
06/24/2022
Signed off — Alteration
PLUMBING FIXTURE AND ASSOCIATE PIPES FOR COMMUNITY FACILITY DAYCARE CENTRE.
B00485080-I1
06/22/2022
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
06/10/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
06/10/2022
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
06/01/2022
Special inspection requirement — High Temperature Hot Water Piping (Welding)
ZHENHUAN XU
06/01/2022
Special inspection requirement — Energy Code Compliance Inspections
ZHENHUAN XU
06/01/2022
Special inspection requirement — HVAC-R and service water piping design and insulation
ZHENHUAN XU
05/31/2022
Filed — Alteration
PLUMBING FIXTURE AND ASSOCIATE PIPES FOR COMMUNITY FACILITY DAYCARE CENTRE.
B00485080-P1
05/16/2022
Permit issued — Plumbing
B00485080-I1-PL
05/03/2022
Filed — Alteration
PLUMBING FIXTURE AND ASSOCIATE PIPES FOR COMMUNITY FACILITY DAYCARE CENTRE.
B00485080-I1
01/14/2022
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
12/02/2021
Special inspection requirement — Fenestration air leakage
ZHENHUAN XU
12/02/2021
Special inspection requirement — Air barrier - visual inspection
ZHENHUAN XU
12/02/2021
Special inspection requirement — Fire-Resistance Rated Construction
ZHENHUAN XU
12/02/2021
Special inspection requirement — Fenestration and door U-factor and product ratings
ZHENHUAN XU
12/02/2021
Special inspection requirement — Fenestration areas
ZHENHUAN XU
12/02/2021
Special inspection requirement — Energy Code Compliance Inspections
ZHENHUAN XU
12/02/2021
Special inspection requirement — Fire-Resistant Penetrations and Joints
ZHENHUAN XU
11/21/2021
Filed — Alteration CO
ADD EGRESS STAIR, DECK, AND RAMP IN REAR YARD, CONVERT ONE FAMILY HOUSE TO DAYCARE COMMUNITY FACILITY USE. APPLY FOR C OF O.
B00490048-P2
11/09/2021
Special inspection requirement — Fire-Resistance Rated Construction
ZHENHUAN XU
11/09/2021
Special inspection requirement — Fire-Resistant Penetrations and Joints
ZHENHUAN XU
11/09/2021
Special inspection requirement — Energy Code Compliance Inspections
ZHENHUAN XU
11/09/2021
Special inspection requirement — Fenestration air leakage
ZHENHUAN XU
11/09/2021
Special inspection requirement — Air barrier - visual inspection
ZHENHUAN XU
11/09/2021
Special inspection requirement — Fenestration areas
ZHENHUAN XU
11/09/2021
Special inspection requirement — Fenestration and door U-factor and product ratings
ZHENHUAN XU
10/25/2021
Inspection — Fail-Final CND-Occupancy Inspection
Fail
View inspection ↗
10/04/2021
Filed — Alteration CO
ADD EGRESS STAIR, DECK, AND RAMP IN REAR YARD, CONVERT ONE FAMILY HOUSE TO DAYCARE COMMUNITY FACILITY USE. APPLY FOR C OF O.
B00490048-P1
09/22/2021
Special inspection requirement — Fire-Resistant Penetrations and Joints
ZHENHUAN XU
09/22/2021
Special inspection requirement — Energy Code Compliance Inspections
ZHENHUAN XU
09/22/2021
Special inspection requirement — Fire-Resistance Rated Construction
ZHENHUAN XU
09/22/2021
Special inspection requirement — Air barrier - visual inspection
ZHENHUAN XU
09/22/2021
Special inspection requirement — Fenestration and door U-factor and product ratings
ZHENHUAN XU
09/22/2021
Special inspection requirement — Fenestration air leakage
ZHENHUAN XU
09/22/2021
Special inspection requirement — Fenestration areas
ZHENHUAN XU
07/23/2021
Violation issued (ECB, closed)
Construction
07/23/2021
Violation issued (ECB, closed)
Construction
07/23/2021
Violation issued (ECB, closed)
Construction
07/20/2021
Permit issued — General Construction
B00490048-I1-GC
03/30/2021
Filed — Alteration CO
ADD EGRESS STAIR, DECK, AND RAMP IN REAR YARD, CONVERT ONE FAMILY HOUSE TO DAYCARE COMMUNITY FACILITY USE. APPLY FOR C OF O.
B00490048-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWPlumbingSigned-offP.S.I. MECHANICAL05/16/2022
DOB NOWGeneral ConstructionPermit IssuedTT&T CONSTRUCTION INC07/20/2021
1 project · most recent 11/21/2021
FiledStatusContractorScope
11/21/2021Permit IssuedTT&T CONSTRUCTION INC1 scope_items
▾Field Inspections (DOB CAP) — 5
DateTypeResultReport
06/22/2022Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
06/10/2022Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
06/10/2022Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
01/14/2022Pass-Final CND-Occupancy InspectionPassView ↗
10/25/2021Fail-Final CND-Occupancy InspectionFailView ↗
▾Special Inspection Requirements (DOB NOW) — 24
DateRequirementInspectorRole
06/01/2022High Temperature Hot Water Piping (Welding)ZHENHUAN XUspecial
06/01/2022Energy Code Compliance InspectionsZHENHUAN XUprogress
06/01/2022HVAC-R and service water piping design and insulationZHENHUAN XUenergy_progress
12/02/2021Fenestration air leakageZHENHUAN XUenergy_progress
12/02/2021Air barrier - visual inspectionZHENHUAN XUenergy_progress
12/02/2021Fire-Resistance Rated ConstructionZHENHUAN XUprogress
12/02/2021Fenestration and door U-factor and product ratingsZHENHUAN XUenergy_progress
12/02/2021Fenestration areasZHENHUAN XUenergy_progress
12/02/2021Energy Code Compliance InspectionsZHENHUAN XUprogress
12/02/2021Fire-Resistant Penetrations and JointsZHENHUAN XUspecial
11/09/2021Fire-Resistance Rated ConstructionZHENHUAN XUprogress
11/09/2021Fire-Resistant Penetrations and JointsZHENHUAN XUspecial
11/09/2021Energy Code Compliance InspectionsZHENHUAN XUprogress
11/09/2021Fenestration air leakageZHENHUAN XUenergy_progress
11/09/2021Air barrier - visual inspectionZHENHUAN XUenergy_progress
11/09/2021Fenestration areasZHENHUAN XUenergy_progress
11/09/2021Fenestration and door U-factor and product ratingsZHENHUAN XUenergy_progress
09/22/2021Fire-Resistant Penetrations and JointsZHENHUAN XUspecial
09/22/2021Energy Code Compliance InspectionsZHENHUAN XUprogress
09/22/2021Fire-Resistance Rated ConstructionZHENHUAN XUprogress
09/22/2021Air barrier - visual inspectionZHENHUAN XUenergy_progress
09/22/2021Fenestration and door U-factor and product ratingsZHENHUAN XUenergy_progress
09/22/2021Fenestration air leakageZHENHUAN XUenergy_progress
09/22/2021Fenestration areasZHENHUAN XUenergy_progress
▾Documents — 43 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/31/2026B00490048-I1Request digital key ↗
08/31/2026B00490048-P1Request digital key ↗
08/31/2026B00490048-P2Request digital key ↗
Showing 3 of 5 on file for this type
▸Zoning, Tax Lot & Property Records1
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026B00490048-I1Open ↗
▸Seals & Professional Certifications29
▸DOB NOWProgress Inspector Seal & Signature20
09/01/2026B00490048-P2Open ↗
09/01/2026B00490048-P2Open ↗
09/01/2026B00490048-P2Open ↗
Showing 3 of 20 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/29/2026B00485080-P1Open ↗
08/29/2026B00485080-I1Open ↗
08/13/2026B00490048-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature4
09/01/2026B00490048-P2Open ↗
08/30/2026B00490048-P1Open ↗
08/24/2026B00490048-I1Open ↗
Showing 3 of 4 on file for this type
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/29/2026B00485080-P1Open ↗
08/29/2026B00485080-I1Open ↗
08/13/2026B00490048-P1Open ↗
Showing 3 of 5 on file for this type
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis.2
08/13/2026B00485080-I1Open ↗
08/13/2026B00490048-I1Open ↗
▸Other Documents1
▸DOB NOWFinal Survey1
08/13/2026B00490048-I1Open ↗