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Miscellaneous two family
3770 LACONIA AVENUE
BRONX · BIN 2059985
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1950Year Built
2Stories
B9Building Class
R5DZoning
2,061 sfGross Floor Area
2Units
Rent Stabilized7 Open Violations ▸
Miscellaneous two family · 1,888 sf lot · 1.09 FAR built · Flood zone X
Locations of Work
ArchitectureElectrical
Permit Issued — active, not yet Signed-off
RoofUnder Construction1p · 1 filing · 3 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
06/09/2020$690K—Private party → Private party$335/sf building
03/20/2018$350K—— → —$170/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CHUN FENG, ARCHITECT111/13/2025
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
SUSTAINABLE STRATEGIESGeneral Contractor104/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
SQ. ARCH, LLC4802111/13/2025
Building Lifecycle
All (9)Filed (1)Permit Issued (1)Violation (7)
11/24/2025
Violation issued (HPD, open)
I
11/14/2025
Permit issued — Solar
X01318569-I1-SL
11/13/2025
Filed — Alteration
Installation of solar electric generation system for utility interconnection. No changes being made to use, occupancy, egress, or anything not marked on the planset and supporting documents
X01318569-I1
12/03/2024
Violation issued (HPD, open)
I
11/28/2023
Violation issued (HPD, open)
I
11/17/2022
Violation issued (HPD, open)
I
03/16/2022
Violation issued (HPD, open)
I
04/21/2021
Violation issued (HPD, open)
I
11/07/2019
Violation issued (HPD, open)
I
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarPermit IssuedSUSTAINABLE STRATEGIES11/14/2025
2 projects · most recent 11/13/2025
FiledStatusContractorScope
11/13/2025Pending PaymentSOURCE ELECTRIC INC1 meters
05/28/2018Permit IssuedRONART ELECTRIC CO3 meters
1 project · most recent 11/13/2025
FiledStatusContractorScope
11/13/2025Permit IssuedSUSTAINABLE STRATEGIES72 panels, 29.52 kw, 820.9 roof_area_sqft
Nothing on file for this building.
▾Documents — 3 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/17/2026X01318569-I1Request digital key ↗
▸Seals & Professional Certifications1
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/13/2026X01318569-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026X01318569-I1Open ↗