Miscellaneous one family

303 HUMBOLDT STREET

BROOKLYN · East Williamsburg · BIN 3069448

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1910Year Built

2Stories

A9Building Class

R6BZoning

2,038 sfGross Floor Area

1Units

FDNY Report ↗

Miscellaneous one family · Owner of record: GEM HUNTER ASSETS I LLC · 1,388 sf lot · 1.47 FAR built · Flood zone X

Locations of Work

ArchitectureElectricalPlumbing

Permit Issued — active, not yet Signed-off

Floor 2Under Construction19p · 1 filing · 20 docs

Floor 1Under Construction19p · 1 filing · 20 docs

CellarUnder Construction19p · 1 filing · 20 docs

BasementUnder Construction19p · 1 filing · 20 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
GEM HUNTER PROPERTY SOLUTION	14	07/08/2026
SRG GROUP NY CORP	5	03/22/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
01/09/2026	$3.4M	—	GEM HUNTER ASSETS I LLC → Private party	$1,676/sf building
07/23/2024	$1.6M	—	— → —	$800/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
ADB ASSOCIATES	5	12/05/2025
AP PROFESSIONAL ENGINEERING PLLC	1	09/09/2025
RMM DESIGN STUDIO	1	05/29/2025

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
SANDEEP KAUR	1	03/21/2026
KC EXPEDITING	4	03/21/2026
HIGHRISE GROUP	4	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
A&A BUILDING CONSULTANTS	General Contractor	4	07/08/2026
SRG GROUP NY CORP	General Contractor	3	03/21/2026
BT'S PLUMBING AND HEATING	Plumbing	2	07/08/2026
RIDGE ELECTRIC CORP.	Electrical	1	03/22/2026
TRI CITY MECHANICAL GROUP CORP	Plumbing	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
WORLD DESIGN ARCHITECTURE	9323	6	12/05/2025

Building Lifecycle

All (70)Filed (7)Permit Issued (7)Signed Off (2)Inspection (3)Objection (30)Special Inspection (21)

08/24/2026

Signed off — ALT-CO - New Building with Existing Elements to Remain

CHANGE OF USE FOR EXISTING BASEMENT DOCTORS OFFICE (USE GROUP:VII ) TO ONE DWELLING (USE GROUP: II), AND INTERIOR RENOVATIONS THROUGHOUT.

B01089954-S2

05/05/2026

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

01/29/2026

Permit issued — Structural

B01089954-S1-ST

01/14/2026

Inspection — Certified Gas-Gas-Piping-Roughing

Certified

View inspection ↗

01/08/2026

Permit issued — Plumbing

B01089954-S2-PL

01/07/2026

Permit issued — Plumbing

B72056870-S2-PL

12/23/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

William Alicea

12/23/2025

Special inspection requirement — HVAC-R and service water piping design and insulation

JEFFREY BELL

12/05/2025

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

CHANGE OF USE FOR EXISTING BASEMENT DOCTORS OFFICE (USE GROUP:VII ) TO ONE DWELLING (USE GROUP: II), AND INTERIOR RENOVATIONS THROUGHOUT.

B01089954-P4

12/05/2025

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

CHANGE OF USE FOR EXISTING BASEMENT DOCTORS OFFICE (USE GROUP:VII ) TO ONE DWELLING (USE GROUP: II), AND INTERIOR RENOVATIONS THROUGHOUT.

B01089954-P3

12/05/2025

Special inspection requirement — Fire-Resistance Rated Construction

William Alicea

12/05/2025

Special inspection requirement — Fenestration air leakage

William Alicea

12/05/2025

Special inspection requirement — Fenestration and door U-factor and product ratings

William Alicea

12/05/2025

Special inspection requirement — Permanent certificate

William Alicea

12/05/2025

Special inspection requirement — Insulation placement and R values

William Alicea

12/05/2025

Special inspection requirement — Air barrier - visual inspection

William Alicea

12/05/2025

Special inspection requirement — Interior lighting power

William Alicea

12/05/2025

Special inspection requirement — Fenestration areas

William Alicea

12/05/2025

Special inspection requirement — Air barrier — testing

William Alicea

12/05/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

William Alicea

12/05/2025

Special inspection requirement — HVAC-R and service water piping design and insulation

William Alicea

12/05/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

William Alicea

12/05/2025

Special inspection requirement — Energy Code Compliance Inspections

William Alicea

11/06/2025

Signed off — Alteration

INSTALLATION OF HEAVY-DUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. SIDEWALK SHED SHALL COMPLY WITH CHAPTER 33 OF THE 2022 NYC BUILDING CODE.

B01283668-I1

09/11/2025

Permit issued — Sidewalk Shed

B01283668-I1-SH

09/09/2025

Filed — Alteration

INSTALLATION OF HEAVY-DUTY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE OCCUPANCY OR EGRESS UNDER THIS APPLICATION. SIDEWALK SHED SHALL COMPLY WITH CHAPTER 33 OF THE 2022 NYC BUILDING CODE.

B01283668-I1

09/03/2025

Permit issued — General Construction

B01089954-I1-GC

05/29/2025

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

CHANGE OF USE FOR EXISTING BASEMENT DOCTORS OFFICE (USE GROUP:VII ) TO ONE DWELLING (USE GROUP: II), AND INTERIOR RENOVATIONS THROUGHOUT.

B01089954-P2

05/29/2025

Special inspection requirement — Concrete - Cast-In-Place

William Alicea

05/29/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

William Alicea

05/29/2025

Special inspection requirement — Structural Stability – Alterations of existing buildings

William Alicea

05/29/2025

Special inspection requirement — Structural Steel - Details

William Alicea

05/29/2025

Special inspection requirement — Final

William Alicea

05/29/2025

Special inspection requirement — Fire-Resistance Rated Construction

William Alicea

04/24/2025

Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing

Certified

View inspection ↗

03/19/2025

Permit issued — Plumbing

B01089954-S2-PL

02/27/2025

Objection resolved — Addressed

02/06/2025

Permit issued — General Construction

B01089954-I1-GC

01/28/2025

Objection raised — Admin

01/24/2025

Objection resolved — Addressed

01/24/2025

Objection resolved — Addressed

01/24/2025

Objection resolved — Addressed

01/24/2025

Objection resolved — Addressed

01/21/2025

Objection resolved — Addressed

01/21/2025

Objection resolved — Addressed

01/21/2025

Objection resolved — Addressed

01/21/2025

Objection resolved — Addressed

01/14/2025

Objection raised — Plumbing

01/14/2025

Objection raised — Plumbing

01/14/2025

Objection raised — Energy

01/14/2025

Objection raised — Plumbing

01/13/2025

Objection resolved — Addressed

01/13/2025

Objection resolved — Addressed

01/10/2025

Objection raised — Other

01/02/2025

Objection raised — Cost

12/31/2024

Objection raised — Other

12/30/2024

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

CHANGE OF USE FOR EXISTING BASEMENT DOCTORS OFFICE (USE GROUP:VII ) TO ONE DWELLING (USE GROUP: II), AND INTERIOR RENOVATIONS THROUGHOUT.

B01089954-S1

12/27/2024

Objection raised — Energy

12/27/2024

Objection raised — Energy

12/27/2024

Objection raised — Energy

Latest 60 of 70 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Structural	Signed-off	A&A BUILDING CONSULTANTS	01/29/2026
DOB NOW	Plumbing	Signed-off	BT'S PLUMBING AND HEATING	01/08/2026
DOB NOW	Plumbing	Signed-off	BT'S PLUMBING AND HEATING	01/07/2026
DOB NOW	Sidewalk Shed	Signed-off	SRG GROUP NY CORP	09/11/2025
DOB NOW	General Construction	Permit Issued	A&A BUILDING CONSULTANTS	09/03/2025
DOB NOW	Plumbing	Signed-off	FLAVIO MECHANICAL CORP	03/19/2025
DOB NOW	General Construction	Permit Issued	A&A BUILDING CONSULTANTS	02/06/2025

1 project · most recent 12/05/2025

Gas Water/Sanitary

Filed	Status	Contractor	Scope
12/05/2025	Signed-off	BT'S PLUMBING AND HEATING	Gas, Water/Sanitary

3 projects · most recent 01/06/2026

General Wiring

Filed	Status	Contractor	Scope
01/06/2026	Permit Issued	RIDGE ELECTRIC CORP.	General Wiring
09/08/2025	Complete	HIGH QUALITY ELEC.OF NYC	—
03/03/2025	Permit Issued	RIDGE ELECTRIC CORP.	General Wiring

1 project · most recent 12/05/2025

Steel Concrete

Filed	Status	Contractor	Scope
12/05/2025	Permit Issued	A&A BUILDING CONSULTANTS	Steel, Concrete

▾Field Inspections (DOB CAP) — 3

Date	Type	Result	Report
05/05/2026	Pass-Final CND-Occupancy Inspection	Pass	View ↗
01/14/2026	Certified Gas-Gas-Piping-Roughing	Certified	View ↗
04/24/2025	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 21

Date	Requirement	Inspector	Role
12/23/2025	Fire-Resistant Penetrations and Joints	William Alicea	special
12/23/2025	HVAC-R and service water piping design and insulation	JEFFREY BELL	energy_progress
12/05/2025	Fire-Resistance Rated Construction	William Alicea	progress
12/05/2025	Fenestration air leakage	William Alicea	energy_progress
12/05/2025	Fenestration and door U-factor and product ratings	William Alicea	energy_progress
12/05/2025	Permanent certificate	William Alicea	energy_progress
12/05/2025	Insulation placement and R values	William Alicea	energy_progress
12/05/2025	Air barrier - visual inspection	William Alicea	energy_progress
12/05/2025	Interior lighting power	William Alicea	energy_progress
12/05/2025	Fenestration areas	William Alicea	energy_progress
12/05/2025	Air barrier — testing	William Alicea	energy_progress
12/05/2025	Fire-Resistant Penetrations and Joints	William Alicea	special
12/05/2025	HVAC-R and service water piping design and insulation	William Alicea	energy_progress
12/05/2025	Fire-Resistant Penetrations and Joints	William Alicea	special
12/05/2025	Energy Code Compliance Inspections	William Alicea	progress
05/29/2025	Concrete - Cast-In-Place	William Alicea	special
05/29/2025	Fire-Resistant Penetrations and Joints	William Alicea	special
05/29/2025	Structural Stability – Alterations of existing buildings	William Alicea	special
05/29/2025	Structural Steel - Details	William Alicea	special
05/29/2025	Final	William Alicea	progress
05/29/2025	Fire-Resistance Rated Construction	William Alicea	progress

▾Documents — 34 on file (BIS + DOB NOW)

▸Plans & Drawings7

▸DOB NOWPlans/Sketch7

08/23/2026B01089954-P2Request digital key ↗

08/23/2026B01089954-S2Request digital key ↗

08/23/2026B01089954-S1Request digital key ↗

Showing 3 of 7 on file for this type

▸Seals & Professional Certifications16

▸DOB NOWDPL-1: Design Professional Seal & Signature7

08/23/2026B01089954-P2Open ↗

08/23/2026B01089954-S2Open ↗

08/23/2026B01089954-S1Open ↗

Showing 3 of 7 on file for this type

▸DOB NOWProgress Inspector Seal & Signature5

08/31/2026B01089954-P3Open ↗

08/25/2026B01089954-P4Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature4

08/31/2026B01089954-P3Open ↗

08/25/2026B01089954-P4Open ↗

08/25/2026B01089954-P2Open ↗

Showing 3 of 4 on file for this type

▸Safety & Tenant Protection1

▸DOB NOWStreet Trees Site Plan1

08/13/2026B01089954-I1Open ↗

▸Environmental & Asbestos6

▸DOB NOWDEP ACP-5: Asbestos Assessment Report6

08/23/2026B01089954-P2Open ↗

08/23/2026B01089954-S2Open ↗

08/23/2026B01089954-S1Open ↗

Showing 3 of 6 on file for this type

▸Other Documents4

▸DOB NOWProperty Ownership Certification2

08/23/2026B01089954-I1Open ↗

08/23/2026B01089954-P4Open ↗

▸DOB NOWSite Survey: Initial2

08/13/2026B01089954-P4Open ↗

08/13/2026B01089954-I1Open ↗