Two family frame

151-61 20TH AVENUE

QUEENS · BIN 4623950

💬 Discuss this project

2021Year Built

2Stories

B2Building Class

R3AZoning

—Gross Floor Area

2Units

0 Active Violations

Two family frame · 0.76 FAR built · Flood zone X

Locations of Work

ArchitectureElectricalPlumbing

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

Cellar2p · 1 filing · 9 docs

Site & exteriorTemporary fence for 2-family conversion2p · 2 filings · 4 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
Kaisheng Group	18	07/08/2026

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
You Gao	3	06/20/2025
Ameriland Brook	2	04/12/2021

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
LC Expediting Services	6	03/21/2026
XH&RC Plumbing and Heating	2	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
Dynasty Contracting	Scaffold	3	07/08/2026
R & T Electrical	Electrical	1	03/21/2026
TLS Construction Group I*	General Contractor	1	07/08/2026
Kwong Ming Electric	Electrical	1	03/22/2026
TT&T Construction	Scaffold	1	04/09/2026
Champ Plumbing & Heating	Plumbing	1	07/08/2026
DHC Contracting	Scaffold	1	04/09/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
You Gao	9407	3	06/20/2025

Building Lifecycle

All (26)Filed (5)Permit Issued (7)Signed Off (4)Violation (4)Inspection (3)Special Inspection (3)

08/04/2025

Signed off — Alteration

CAP & REMOVE ILLEGAL SINKM ELEC. STOVE. INSTALL BACK WASHER & SINK. RESTORE BACL TO PRIOR LEGAL CONDITION AS PER NB APPLICATION# 421633913. REMEDY ECB VIOLATIONS 39139746X, 391339748J, 39139747H, 39139745Y. NO CHANGE OF USE, OCCUPANCY AND EGRESS.

Q01194120-S1

07/28/2025

Inspection — Certified Remove/Cap - work done in accordance with code

Certified

View inspection ↗

07/28/2025

Inspection — Certified Water and Sanitary-WS-Fixtures-Finish

Certified

View inspection ↗

07/25/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

You Gao

06/25/2025

Signed off — Alteration

Q01194120-I1

06/24/2025

Inspection — Pass-Final General Construction Non-Directive 14

Pass

View inspection ↗

06/20/2025

Filed — Alteration

Q01194120-P1

06/18/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

You Gao

05/23/2025

Permit issued — Plumbing

Q01194120-S1-PL

05/22/2025

Permit issued — General Construction

Q01194120-I1-GC

03/13/2025

Filed — Alteration

Q01194120-S1

03/13/2025

Filed — Alteration

Q01194120-I1

03/12/2025

Special inspection requirement — Fire-Resistant Penetrations and Joints

You Gao

02/26/2025

Violation issued (ECB, closed)

Construction

02/26/2025

Violation issued (ECB, closed)

Construction

02/26/2025

Violation issued (ECB, closed)

Unknown

02/26/2025

Violation issued (ECB, closed)

Construction

01/10/2024

Signed off — Alteration

FILE CONSTRUCTION FENCE AT ABOVE ADDRESS. NO CHANGE IN USE, OCCUPANCY OR EGRESS.

Q00075961-I1

01/10/2024

Signed off — Alteration

INSTALL CONSTRUCTION FENCE AT ABOVE ADDRESS.

Q00484432-I1

03/22/2023

Permit issued — Construction Fence

Q00484432-I1-FN

12/13/2021

Permit issued — Construction Fence

Q00484432-I1-FN

04/16/2021

Permit issued — Construction Fence

Q00484432-I1-FN

04/12/2021

Filed — Alteration

INSTALL CONSTRUCTION FENCE AT ABOVE ADDRESS.

Q00484432-I1

12/02/2020

Permit issued — Construction Fence

Q00075961-I1-FN

02/13/2019

Permit issued — Construction Fence

Q00075961-I1-FN

02/12/2019

Filed — Alteration

FILE CONSTRUCTION FENCE AT ABOVE ADDRESS. NO CHANGE IN USE, OCCUPANCY OR EGRESS.

Q00075961-I1

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Plumbing	Signed-off	Champ Plumbing & Heating	05/23/2025
DOB NOW	General Construction	Signed-off	TLS Construction Group I*	05/22/2025
DOB NOW	Construction Fence	Signed-off	Dynasty Contracting	03/22/2023
DOB NOW	Construction Fence	Signed-off	Alexander Chan	12/13/2021
DOB NOW	Construction Fence	Signed-off	TT&T Construction	04/16/2021
DOB NOW	Construction Fence	Signed-off	Dynasty Contracting	12/02/2020
DOB NOW	Construction Fence	Signed-off	Dynasty Contracting	02/13/2019
BIS	PL	ISSUED	Watson's Plumbing, Heating, & Building	04/28/2023
BIS	—	ISSUED	Dynasty Contracting	04/21/2023
BIS	—	ISSUED	DHC Contracting	12/21/2021
BIS	—	ISSUED	TT&T Construction	03/18/2021
BIS	—	ISSUED	Dynasty Contracting	12/15/2020
BIS	—	ISSUED	Dynasty Contracting	04/18/2019
BIS	—	ISSUED	Dynasty Contracting	02/20/2019

3 projects · most recent 04/02/2025

General Wiring

Filed	Status	Contractor	Scope
04/02/2025	Complete	R & T Electrical	General Wiring
07/29/2021	Complete	Kwong Ming Electric	General Wiring
07/29/2021	Complete	Kwong Ming Electric	General Wiring

▾Field Inspections (DOB CAP) — 3

Date	Type	Result	Report
07/28/2025	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
07/28/2025	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
06/24/2025	Pass-Final General Construction Non-Directive 14	Pass	View ↗

▾Special Inspection Requirements (DOB NOW) — 3

Date	Requirement	Inspector	Role
07/25/2025	Fire-Resistant Penetrations and Joints	You Gao	special
06/18/2025	Fire-Resistant Penetrations and Joints	You Gao	special
03/12/2025	Fire-Resistant Penetrations and Joints	You Gao	special

▾Documents — 145 on file (BIS + DOB NOW)

▸Plans & Drawings5

▸DOB NOWPlans/Sketch5

08/28/2026Q00075961-I1Request digital key ↗

08/27/2026Q00484432-I1Request digital key ↗

08/19/2026Q01194120-I1Request digital key ↗

Showing 3 of 5 on file for this type

▸Applications & Permits18

▸BISPLAN / WORK APPROVAL APPLICATION10

04/11/2024421633913Open ↗

04/09/2024421633913Open ↗

03/14/2024421633913Open ↗

Showing 3 of 10 on file for this type

▸BISWORK PERMIT APPLICATION7

09/20/2023421633913Open ↗

08/22/2023421633913Open ↗

08/17/2023421633913Open ↗

Showing 3 of 7 on file for this type

▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1

01/23/2024421633913Open ↗

▸Zoning, Tax Lot & Property Records6

▸BISTAX LOT: FINAL LOT NUMBER ISSUED2

11/08/2019421689079Open ↗

11/27/2018421633913Open ↗

▸BISVERIFY TAX LOT1

04/02/2024421633913Open ↗

▸BISADDRESS: NEW HOUSE NUMBER APPROVED1

11/27/2018421633913Open ↗

▸BISEASEMENT AND RESTRICTIVE DECLARATIONS - SUPPPORTING DOCUMENTATION1

11/27/2018421633913Open ↗

▸BISCO OBJ: VERIFY ADDRESS-TOPO STAMP1

04/02/2024421633913Open ↗

▸Seals & Professional Certifications13

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION5

05/04/2019421633913Open ↗

05/03/2019421633913Open ↗

12/04/2018421633913Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature5

08/28/2026Q00075961-I1Open ↗

08/27/2026Q00484432-I1Open ↗

08/19/2026Q01194120-I1Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature3

09/01/2026Q01194120-S1Open ↗

08/23/2026Q01194120-P1Open ↗

08/23/2026Q01194120-I1Open ↗

▸Trade Schedules & Equipment12

▸BISSCHEDULE B - PLUMBING5

04/11/2024421633913Open ↗

03/14/2024421633913Open ↗

01/19/2024421633913Open ↗

Showing 3 of 5 on file for this type

▸BISHVAC & SERVICE WATER HEATING SYSTEM CONTROLS2

03/18/2024421633913Open ↗

▸BISHVAC & SERVICE WATER HEATING EQUIPMENT1

03/18/2024421633913Open ↗

▸BISELECTRIC CUT-OFF1

02/21/2019421636260Open ↗

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1

07/24/2018421633913Open ↗

▸BISSPRINKLER SYSTEMS1

03/18/2024421633913Open ↗

▸BISPLUMBING - SUPPORTING DOCUMENTATION1

02/21/2019421636260Open ↗

▸Safety & Tenant Protection7

▸BISSTREET TREE CHECKLIST2

11/27/2018421689079Open ↗

07/24/2018421633913Open ↗

▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE1

02/21/2019421636260Open ↗

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

02/21/2019421636260Open ↗

▸BISSTREET TREE SIGNOFF1

03/18/2024421633913Open ↗

▸BISANTI-HARASSMENT CHECKLIST1

02/21/2019421636260Open ↗

▸BISSRO MD ANTI-HARASSMENT CHECKLIST1

02/21/2019421636260Open ↗

▸Energy Compliance12

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2

05/03/2019421633913Open ↗

07/24/2018421633913Open ↗

▸BISAIR SEALING AND INSULATION - VISUAL1

03/18/2024421633913Open ↗

▸BISINTERIOR LIGHTING POWER1

03/18/2024421633913Open ↗

▸BIS* SOLAR READY REQUIREMENTS1

03/18/2024421633913Open ↗

▸BISFENESTRATION U-FACTOR & PRODUCT RATING1

03/18/2024421633913Open ↗

▸BISFENESTRATION AREAS1

03/18/2024421633913Open ↗

▸BISAIR SEALING AND INSULATION - TESTING1

03/18/2024421633913Open ↗

▸BISINSULATION PLACEMENT & R VALUES1

03/18/2024421633913Open ↗

▸BISAS-BUILT ENERGY ANALYSIS (EN2)1

04/02/2024421633913Open ↗

▸BIS* HVAC INSULATION AND SEALING1

03/18/2024421633913Open ↗

▸BISENERGY CODE COMPLIANCE INSPECTIONS1

03/18/2024421633913Open ↗

▸Inspections & Test Reports10

▸BISHYDRO FLOW TEST LETTER2

12/04/2018421633913Open ↗

11/27/2018421633913Open ↗

▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER2

04/19/2024421633913Open ↗

05/03/2019421633913Open ↗

▸BISCONCRETE - CAST-IN-PLACE1

03/18/2024421633913Open ↗

▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1

03/18/2024421633913Open ↗

▸BISFIRE-RESISTIVE RATED CONSTRUCTION1

03/18/2024421633913Open ↗

▸BISFOOTING AND FOUNDATION INSPECTION1

03/18/2024421633913Open ↗

▸BISSUBGRADE INSP / SOILS-SITE PREP1

03/18/2024421633913Open ↗

▸BISTECHNICAL REPORT: SOIL INSPECTION1

12/04/2018421633913Open ↗

▸Approvals, Objections & Sign-offs12

▸BISLETTERS - SUPPORTING DOCUMENTATION6

11/08/2019421689079Open ↗

02/21/2019421636260Open ↗

Showing 3 of 6 on file for this type

▸BISSUPERSEDING LETTER3

09/20/2023421633913Open ↗

08/22/2023421633913Open ↗

04/04/2022421633913Open ↗

▸BISSCHEDULE A - OCCUPANCY / USE2

07/24/2018421633913Open ↗

—421633913Open ↗

▸BISLANDMARKS APPROVAL1

02/21/2019421636260Open ↗

▸Cost, Insurance & Ownership6

▸BISPROJECT-SPECIFIC GL INSURANCE4

09/20/2023421633913Open ↗

04/04/2022421633913Open ↗

05/04/2019421633913Open ↗

Showing 3 of 4 on file for this type

▸BISPROJECT SPECIFIC GENERAL LIABILITY INSURANCE1

08/22/2023421633913Open ↗

▸BISBPP-11 - Affidavit as to Roadway Pavement And/Or Sidewalk and Curb Construction1

04/03/2024421689079Open ↗

▸Filing & Intake Forms15

▸BISADDITIONAL INFORMATION8

03/15/2024421633913Open ↗

01/23/2024421633913Open ↗

10/06/2021421633913Open ↗

Showing 3 of 8 on file for this type

▸BISEFILING COVER SHEET3

11/27/2018421689079Open ↗

07/24/2018421633913Open ↗

06/14/2018421636260Open ↗

▸BISBOROUGH INTAKE FORM3

09/20/2023421633913Open ↗

08/22/2023421633913Open ↗

04/04/2022421633913Open ↗

▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31

11/27/2018421689079Open ↗

▸Other Documents15

▸BISBPP - SUPPORTING DOCUMENTATION7

04/03/2024421689079Open ↗

Showing 3 of 7 on file for this type

▸BISPVT ON-SITE STORM WATER DISPOSAL SYSTEMS & DETENTION FACL., INSTALLATION2

03/18/2024421633913Open ↗

▸BISSHUTOFF DAMPERS1

03/18/2024421633913Open ↗

▸BISWOOD - METAL-PLATE-CONNECTED TRUSSES1

03/18/2024421633913Open ↗

▸BISMAINTENANCE INFORMATION1

03/18/2024421633913Open ↗

▸BISPERMANENT CERTIFICATE1

03/18/2024421633913Open ↗

▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION1

03/18/2021421633913Open ↗

▸BISPLOT DIAGRAM1

07/24/2018421633913Open ↗