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Design Firm
YL ENGINEERING PLLC
Design
12 projects with open permitsQUEENS · 27BRONX · 9BROOKLYN · 6
42 of 43 buildings mapped
56
Total Filings
49
Projects on File
43
Buildings Worked
12
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month48 projects all-time
0235Aug '18 · 1Sep '18 · 1Oct '18 · 1Nov '18 · 2Mar '19 · 2May '19 · 2Jun '19 · 3Aug '19 · 1Sep '19 · 2Oct '19 · 1Nov '19 · 1Jan '20 · 1Mar '20 · 1May '20 · 1May '21 · 1Dec '21 · 2Jan '22 · 1Jun '22 · 1Aug '22 · 1Sep '22 · 1Mar '23 · 1Apr '23 · 4Aug '23 · 1Sep '23 · 1Oct '23 · 2Nov '23 · 1Dec '23 · 1Feb '24 · 2Jul '24 · 1Oct '24 · 1Mar '25 · 1Apr '25 · 1Jun '25 · 1Oct '25 · 2Apr '26 · 120192020202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit1224%
Signed off3571%
Filed only24%
By project type
Alteration49
Most active buildings
All buildings →
750 EAST 134 STREETBRONX · latest 10/01/2019
3 projects
212 EAST 125TH STREETMANHATTAN · latest 12/28/2019
2 projects
1559 BOONE AVENUEBRONX · latest 02/07/2025
2 projects
133-24 36 ROADQUEENS · 2 open · latest 08/25/2023
2 projects
11-36 45 ROADQUEENS · latest 02/20/2024
2 projects
56 BANK STREETMANHATTAN · latest 08/24/2022
1 projects
YUAN LUlatest 04/15/2026
33 filings
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q01387742 ↗135-01 35 AVENUE
QUEENS
AlterationPermit Issued04/16/202604/22/2026INSTALLATION OF 6000 LBS GJJ SC270GD SINGLE CAR PERSONAL HOISTS AND EMPLOYEE ELEVATOR AS PER PLAN IN CONJUNCTION WITH Q08048244-I1. WORK SHA…
M01303845 ↗20 WEST 15 STREET
MANHATTAN
AlterationSigned-off10/20/202510/22/2025INSTALLATION OF 4500 LBS GJJ SC200GD SINGLE CAR PERSONAL HOISTS AND EMPLOYEE ELEVATOR AS PER PLAN IN CONJUNCTION WITH NB 121186448. WORK SHA…
X01304894 ↗GRAND AVENUE
BRONX
AlterationFiled — no permit on record10/20/2025——
B01237794 ↗4919 4 AVENUE
BROOKLYN
AlterationPermit Issued06/12/202506/16/2025INSTALLATION OF 5000 LBS GJJ SC270GD SINGLE CAR PERSONAL HOISTS AND EMPLOYEE ELEVATOR AS PER PLAN IN CONJUNCTION WITH NB:321954364. WORK SHA…
Q01214450 ↗42-55 27TH STREET
QUEENS
AlterationSigned-off04/28/202505/01/2025INSTALLATION OF 6000 LBS GJJ SC270GD SINGLE CAR PERSONAL HOISTS AND EMPLOYEE ELEVATOR AS PER PLAN IN CONJUNCTION WITH GC: Q01045957. WORK SH…
Q01193926 ↗45-28 21 STREET
QUEENS
AlterationPermit Issued03/12/202503/14/2025INSTALLATION OF 6,000 LBS GJJ SC270GD SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH GC: Q00793435. WORK SHALL COMPLY WI…
Counts cover all 49 projects (49 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.
PersonFilingsMost recent
YUAN LU3304/15/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MC SUPERSTRUCTURE INC2004/16/2026
TRI BOROUGH SCAFFOLDING504/13/2023
PERCIBALLI INDUSTRIES INC410/19/2022
D.P. GROUP GENERAL CONTRA302/28/2024
EUROCRAFT CONTRACTING LLC306/25/2019
CELTIC SERVICES NYC INC211/15/2018
DI FIORE & SONS CUSTOM WO205/10/2019
DLC DEVELOPMENT CORP212/07/2021
FORMICA CONSTRUCTION, INC209/16/2019
STATEWIDE DEMOLITION CORP211/01/2019
CHAEL CONSTRUCTION INC105/11/2020
GREEN CASTLE A MGMT CORP109/24/2018
MBJ CLEAN OUT INC109/16/2019
PATTI CONSTRUCTION CORP110/04/2018
SAGE BUILDERS CORP103/16/2020
TOWNHOUSE BUILDERS INC103/04/2019
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
EXPEDITE DEM INC709/16/2019
TRI BOROUGH SCAFFOLDING610/20/2023
CENTURY DEVELOPMENT GROUP304/16/2026
5216 ROOSEVELT AVE LLC106/12/2025
ALL CITY EXPEDITING INC110/04/2018
Badger Management Inc111/10/2025
D.P. GROUP GC102/28/2024
KP DEVELOPERS INC110/16/2019
SAGE BUILDERS CORP.103/16/2020
SNL CONSTRUCTION LLC101/03/2020
SYCAMORE BIRCH MANAGEMENT110/20/2025
THE BRIDGE INC110/03/2023
THE DURST ORGANIZATION110/19/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
EXPEDITE DEM INC709/16/2019
BMB BUILDING CONSULTING INC.202/28/2024
METRO VIBE INC.208/26/2022
PERCIBALLI INDUSTRIES INC210/19/2022
CORE CONSULTANTS NYC110/20/2025
49 DOB NOW projects, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.
All 49Open permit 12Signed off 35Filed only 2
49 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q01387742 ↗135-01 35 AVENUE
QUEENS
AlterationPermit Issued04/16/202604/22/2026INSTALLATION OF 6000 LBS GJJ SC270GD SINGLE CAR PERSONAL HOISTS AND EMPLOYEE ELEVATOR AS PER PLAN IN CONJUNCTION WITH Q08048244-I1. WORK SHA…
M01303845 ↗20 WEST 15 STREET
MANHATTAN
AlterationSigned-off10/20/202510/22/2025INSTALLATION OF 4500 LBS GJJ SC200GD SINGLE CAR PERSONAL HOISTS AND EMPLOYEE ELEVATOR AS PER PLAN IN CONJUNCTION WITH NB 121186448. WORK SHA…
X01304894 ↗GRAND AVENUE
BRONX
AlterationFiled — no permit on record10/20/2025——
B01237794 ↗4919 4 AVENUE
BROOKLYN
AlterationPermit Issued06/12/202506/16/2025INSTALLATION OF 5000 LBS GJJ SC270GD SINGLE CAR PERSONAL HOISTS AND EMPLOYEE ELEVATOR AS PER PLAN IN CONJUNCTION WITH NB:321954364. WORK SHA…
Q01214450 ↗42-55 27TH STREET
QUEENS
AlterationSigned-off04/28/202505/01/2025INSTALLATION OF 6000 LBS GJJ SC270GD SINGLE CAR PERSONAL HOISTS AND EMPLOYEE ELEVATOR AS PER PLAN IN CONJUNCTION WITH GC: Q01045957. WORK SH…
Q01193926 ↗45-28 21 STREET
QUEENS
AlterationPermit Issued03/12/202503/14/2025INSTALLATION OF 6,000 LBS GJJ SC270GD SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH GC: Q00793435. WORK SHALL COMPLY WI…
X00974514 ↗872 BRONX PARK SOUTH
BRONX
AlterationPermit Issued12/12/202303/14/2025PROPOSAL TO INSTALL TEMPORARY WOODEN CONSTRUCTION FENCE FOR NEW BUILDING JOB # 210179279
B00135460 ↗2085 OCEAN PARKWAY
BROOKLYN
AlterationSigned-off03/04/201902/07/2025Install temporary construction fence in conjunction with NB 320345710. No change to use, occupancy or egress.
X00941133 ↗1559 BOONE AVENUE
BRONX
AlterationSigned-off10/03/202302/07/2025PROPOSAL TO INSTALL TEMPORARY CONSTRUCTION FENCE IN CONJUNCTION WITH NEW BUILDING FILING, JOB # 210181248. NO CHANGE IN USE, EGRESS OR OCCUP…
Q01122237 ↗148-18 HILLSIDE AVENUE
QUEENS
AlterationPermit Issued10/07/202410/09/2024INSTALLATION OF 6000 LBS GJJ SC270GD SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH NB 421532755. WORK SHALL COMPLY WITH…
Q01081101 ↗136-11 38 AVENUE
QUEENS
AlterationSigned-off07/17/202407/23/2024INSTALLATION OF 3,500 LBS GJJ SC200GD SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH GC:Q08051255. WORK SHALL COMPLY WIT…
Q08012938 ↗26-01 4 STREET
QUEENS
AlterationSigned-off09/30/202207/12/2024INSTALLATION OF 5,000 LBS GJJ SC270GD SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH NB 421058232. WORK SHALL COMPLY WIT…
Q01001471 ↗11-36 45 ROAD
QUEENS
AlterationSigned-off02/15/202402/20/2024Installation of 6000 lbs GJJ SC270GD single car personal/material hoist A as per plan in conjunction with GC Q00785605-I1. Work shall comply…
Q01003348 ↗11-36 45 ROAD
QUEENS
AlterationSigned-off02/15/202402/20/2024Installation of 6000 lbs GJJ SC270GD single car personal/material hoist B as per plan in conjunction with GC Q00785605-I1. Work shall comply…
Q00956538 ↗31-39 137 STREET
QUEENS
AlterationSigned-off11/01/202312/29/2023INSTALLATION OF 5000 LBS GJJ SC270GD SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH NB:421590273. WORK SHALL COMPLY WITH…
Q00942800 ↗31-16 21 STREET
QUEENS
AlterationSigned-off10/04/202310/13/2023INSTALLATION OF 6,000 LBS GJJ SC270G SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH GC: Q08016879. WORK SHALL COMPLY WIT…
Q00932262 ↗45-02 QUEENS BOULEVARD
QUEENS
AlterationSigned-off09/12/202309/14/2023INSTALLATION OF 6,000 LBS GJJ SC270G SINGLE CAR PERSONAL/MATERIA LHOIST AS PER PLAN IN CONJUNCTION WITH GC: Q00718151-I1. WORK SHALL COMPLY …
Q00854295 ↗133-24 36 ROAD
QUEENS
AlterationPermit Issued04/05/202308/25/2023INSTALLATION OF 6,000 LBS GJJ SC270G SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH GC: Q00523537-I1. WORK SHALL COMPLY …
Q00854300 ↗133-24 36 ROAD
QUEENS
AlterationPermit Issued04/05/202308/23/2023INSTALLATION OF 6,000 LBS GJJ SC270G SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH GC: Q00523537-I1. WORK SHALL COMPLY …
Q00916073 ↗83-05 116 STREET
QUEENS
AlterationPermit Issued08/10/202308/21/2023INSTALLATION OF 4,500 LBS GJJ SC200GD SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH NB:420663115. WORK SHALL COMPLY WIT…
Q00524411 ↗137-45 NORTHERN BOULEVARD
QUEENS
AlterationSigned-off05/18/202107/12/2023INSTALLATION OF TWO 5,000 LBS GJJ S270/270GD DUAL CAR PERSONAL/MATERIAL HOISTS AS PER PLAN IN CONJUNCTION WITH NB 421644787. WORK SHALL COMP…
Q00799270 ↗91-32 63 DRIVE
QUEENS
AlterationSigned-off08/26/202207/12/2023INSTALLATION OF 3,500 LBS GJJ SC200GD SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH NB Q00627197. WORK SHALL COMPLY WIT…
Q00850386 ↗81-07 KEW GARDENS ROAD
QUEENS
AlterationSigned-off03/27/202307/12/2023INSTALLATION OF 2,000 LBS GJJ SC100GD SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH GC Q00490821. WORK SHALL COMPLY WIT…
Q00857414 ↗39-26 30 STREET
QUEENS
AlterationSigned-off04/13/202307/12/2023INSTALLATION OF 7,000 LBS GJJ SC320G SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH GC: Q00646536. WORK SHALL COMPLY WIT…
X00856403 ↗1559 BOONE AVENUE
BRONX
AlterationSigned-off04/18/202304/27/2023installation of construction fence to protect site during full demolition.
M00328297 ↗56 BANK STREET
MANHATTAN
AlterationSigned-off03/16/202008/24/2022PROPOSED TEMPORARY CONSTRUCTION 8' - 0 FENCE TO BE FILED IN CONJUNCTION WITH ALT-1#121204669
Q00731105 ↗27-02 1 STREET
QUEENS
AlterationSigned-off06/10/202207/28/20228' high temporary plywood construction fence
Q00643145 ↗82-77 116 STREET
QUEENS
AlterationSigned-off12/08/202103/11/2022INSTALLATION OF 5,000 LBS GJJ SC270GD SINGLE CAR PERSONAL/MATERIAL HOIST AS PER PLAN IN CONJUNCTION WITH NB 421133865. WORK SHALL COMPLY WIT…
B00662414 ↗376 4 AVENUE
BROOKLYN
AlterationSigned-off01/24/202201/31/2022Installation of 8' high temporary plywood construction fence
Q00638359 ↗142-09 BARCLAY AVENUE
QUEENS
AlterationPermit Issued12/07/202112/09/2021Install roof protection for adjacent construction.
Q00084736 ↗108-35 ROOSEVELT AVENUE
QUEENS
AlterationSigned-off10/04/201804/01/2021Install temporary construction fence in conjunction with DM 421629544. No change in use, occupancy or egress.
B00214879 ↗641 WATKINS STREET
BROOKLYN
AlterationPermit Issued11/01/201903/03/2021installation of construction fence to protect site,during full demolition of ED issued by HPD.
Q00326009 ↗106-18 ASTORIA BOULEVARD
QUEENS
AlterationPermit Issued05/11/202010/14/2020INSTALL EIGHT FEET HIGH PLYWOOD CONSTRUCTION FENCE AROUND PROPERTY LINE.
S00271418 ↗2636 ARTHUR KILL ROAD
STATEN ISLAND
AlterationSigned-off01/03/202002/27/2020Installation of temporary 8' construction fence
M00092759 ↗212 EAST 125TH STREET
MANHATTAN
AlterationSigned-off11/15/201812/28/2019installation of construction fence to protect site, during full demolition
M00092762 ↗212 EAST 125TH STREET
MANHATTAN
AlterationSigned-off11/15/201812/27/2019installation of construction fence, to protect site during full demolition
Q00241891 ↗104-74 ROOSEVELT AVENUE
QUEENS
AlterationSigned-off10/16/201912/13/2019installation of construction fence to protect site, during full demolition of 104-74/76/78 Roosevelt Ave
B00163943 ↗1047 DAHILL ROAD
BROOKLYN
AlterationSigned-off09/16/201910/01/2019installation of construction fence, to protect site during construction
X00172080 ↗750 EAST 134 STREET
BRONX
AlterationSigned-off06/24/201910/01/2019installation of construction fence, to protect site during full demolition
X00172074 ↗750 EAST 134 STREET
BRONX
AlterationSigned-off06/25/201909/27/2019installation of construction fence, to protect site during full demolition.
X00172083 ↗750 EAST 134 STREET
BRONX
AlterationSigned-off06/24/201909/27/2019installation of construction fence to protect site, during full demolition
Q00071695 ↗23-83 31 STREET
QUEENS
AlterationPermit Issued08/22/201809/25/2019installation of construction fence for full demolition under DM #421485663, for lot 4.
S00160358 ↗224 CLOVE ROAD
STATEN ISLAND
AlterationSigned-off09/16/201909/20/2019installation of construction fence to protect site, during full demolition of structures located at 224 & 226 Clove Rd, same lot.
B00201442 ↗343 CRESCENT STREET
BROOKLYN
AlterationSigned-off08/22/201908/22/2019installation of construction fence to protect site during demolition
S00158990 ↗1872 RICHMOND TERRACE
STATEN ISLAND
AlterationSigned-off05/13/201905/21/2019installation of construction fence, to protect site during full demolition work.
Q00158989 ↗23-81 31 STREET
QUEENS
AlterationSigned-off05/10/201905/15/2019installation of construction fence to protect site, during full demolition
Q00140170 ↗47-33 5 STREET
QUEENS
AlterationSigned-off03/11/201903/19/2019Installation of interior pipe scaffold for elevator pit and staircase as per plan. This application is filed in conjunction with A1 42161122…
X00077625 ↗3100 SAMPSON AVENUE
BRONX
AlterationSigned-off09/24/201810/25/2018installation of construction fence, to protect site during full demolition of garages, under DM #s 220660997/220666385/220666394/220666401.
X00731054581 AUSTIN PLACE
BRONX
AlterationFiled — no permit on record————
Scope of Work
Fence / Scaffold / Sign / Shed — 2 projects · most recent 10/20/2025
Fence
▾Documents — 113 on file (BIS + DOB NOW)
▸Plans & Drawings51
▸DOB NOWPlans/Sketch36
08/28/2026Q00071695-I1 · 23-83 31 STREETRequest digital key ↗
Showing 3 of 36 on file for this type
▸DOB NOWPlans/Sketch - Construction Fence14
09/05/2026M00328297-I1 · 56 BANK STREETRequest digital key ↗
Showing 3 of 14 on file for this type
▸DOB NOWPlans/Sketch - Supported Scaffold1
08/28/2026Q00140170-I1 · 47-33 5 STREETRequest digital key ↗
▸Seals & Professional Certifications60
▸DOB NOWDPL-1: Design Professional Seal & Signature51
09/02/2026B00135460-I1 · 2085 OCEAN PARKWAYOpen ↗
09/02/2026B00163943-I1 · 1047 DAHILL ROADOpen ↗
08/28/2026Q00071695-I1 · 23-83 31 STREETOpen ↗
Showing 3 of 51 on file for this type
▸DOB NOWProgress Inspector Seal & Signature6
09/02/2026S00160358-I1 · 224 CLOVE ROADOpen ↗
09/01/2026Q00084736-I1 · 108-35 ROOSEVELT AVENUEOpen ↗
08/31/2026S00158990-I1 · 1872 RICHMOND TERRACEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature3
09/26/2026Q00850386-I1 · 81-07 KEW GARDENS ROADOpen ↗
08/31/2026Q00799270-I1 · 91-32 63 DRIVEOpen ↗
08/31/2026Q00854300-I1 · 133-24 36 ROADOpen ↗
▸Environmental & Asbestos1
▸DOB NOWOER: Notice to Proceed1
08/13/2026Q00071695-I1 · 23-83 31 STREETOpen ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter1
09/02/2026B00135460-I1 · 2085 OCEAN PARKWAYOpen ↗