Two family converted from one family

502 5TH AVENUE

BROOKLYN · Park Slope · BIN 3023162

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1901Year Built

3Stories

B3Building Class

C4-4DZoning

1,744 sfGross Floor Area

2Units

0 Active ViolationsFDNY Report ↗

Two family converted from one family · 1,631 sf lot · 1.07 FAR built · Flood zone X

Locations of Work

Mechanical

Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.

Floor 31p · 1 filing · 5 docs

Floor 21p · 1 filing · 5 docs

Floor 1

▾Owner History (Filing Record)

Companies and organizations named on filings. Individual owners are not shown.

Owner	Filings	Most Recent
502 5 AVE	4	03/21/2026
HH Realty Equities	2	10/04/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
01/05/2023	$2.7M	—	502 FIFTH REALTY, LLC → 502 FIFTH AVE MANAGEMENT LLC	$1,525/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
Bitopi Consultants	1	09/17/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
Accurate Electrical	Electrical	1	03/21/2026
Atlas Electric Contractors	Electrical	1	03/21/2026
Spirit Acquisitions	General Contractor	1	09/25/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
Bitopi Consultants	7036	1	09/17/2026

Building Lifecycle

All (10)Filed (1)Permit Issued (1)Signed Off (1)Violation (4)Special Inspection (3)

10/06/2026

Signed off — Alteration

INSTALL NEW HVAC UNITS AT 2ND AND 3RD FLOOR RESIDENTIAL APARTMENTS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.

B01443011-I1

09/24/2026

Permit issued — Mechanical Systems

B01443011-I1-MS

09/17/2026

Filed — Alteration

INSTALL NEW HVAC UNITS AT 2ND AND 3RD FLOOR RESIDENTIAL APARTMENTS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.

B01443011-I1

09/15/2026

Special inspection requirement — Tenant Protection Plan Compliance

KAMRUL AHSAN

08/07/2026

Special inspection requirement — Mechanical Systems

KAMRUL AHSAN

08/07/2026

Special inspection requirement — Final

KAMRUL AHSAN

11/03/2000

Violation issued (DOB, closed)

VW*-VIOLATION - WORK W/O PERMIT DISMISSED

11/03/2000

Violation issued (DOB, closed)

V-DOB VIOLATION - ACTIVE

11/03/2000

Violation issued (ECB, closed)

Construction

11/02/2000

Violation issued (ECB, closed)

Construction

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Mechanical Systems	Signed-off	Spirit Acquisitions	09/24/2026
BIS	EQ	ISSUED	Twin	07/24/2007
BIS	OT	ISSUED	M&D CONSTRUCTION_CO	12/19/2000
BIS	PL	ISSUED	Aljer Plumbing & Heating	12/19/2000

1 project · most recent 09/17/2026

Heating and Air Conditioning Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
09/17/2026	Signed-off	Spirit Acquisitions	Heating and Air Conditioning Systems	Heat / Cool Gree 4LIV05HP230V1AH, 4LIV05HP230V1AH, 4LIV05HP230V1AH 6,000 BTU ×6 4LIV12HP230V1AH 12,000 BTU · Fan Coil Indoor ×2 MULTI36HP230V1EO, MULTI36HP230V1EO 36,000 BTU ×2

▾Special Inspection Requirements (DOB NOW) — 3

Date	Requirement	Inspector	Role
09/15/2026	Tenant Protection Plan Compliance	KAMRUL AHSAN	special
08/07/2026	Mechanical Systems	KAMRUL AHSAN	special
08/07/2026	Final	KAMRUL AHSAN	progress

Nothing on file for this building.