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Design Firm
Sierra Construction
Design
22 projects with open permitsBROOKLYN · 17MANHATTAN · 11BRONX · 4
33 of 34 buildings mapped
43
Total Filings
34
Projects on File
34
Buildings Worked
22
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month34 projects all-time
0369Oct '23 · 1Dec '25 · 1Jan '26 · 5Feb '26 · 2Mar '26 · 2Apr '26 · 3May '26 · 4Jun '26 · 5Jul '26 · 8Aug '26 · 3202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit2265%
Signed off13%
Filed only1132%
By project type
Alteration34
Most active buildings
All buildings →
358 BROADWAYMANHATTAN · 1 open · latest 06/26/2026
1 projects
77 PERRY STREETMANHATTAN · 1 open · latest 07/20/2026
1 projects
341 WEST 25 STREETMANHATTAN · 1 open · latest 07/30/2026
1 projects
616 WEST 46 STREETMANHATTAN · 1 open · latest 05/19/2026
1 projects
242 EAST 71 STREETMANHATTAN · 1 open · latest 02/19/2026
1 projects
37 WEST 116 STREETMANHATTAN · latest 01/06/2026
1 projects
Key relationships
Everyone →
Design firms
Filing representatives
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01425864 ↗240 4 AVENUE
BROOKLYN
AlterationPermit Issued07/08/202609/29/2026Filing for construction fence PAA.
B00947707 ↗25 STEWART AVENUE
BROOKLYN
AlterationPermit Issued10/18/202309/14/2026Filing to install 350 linear feet of temporary sidewalk shed as per plans filed.
B01433678 ↗5122 NEW UTRECHT AVENUE
BROOKLYN
AlterationFiled — no permit on record08/20/2026——
M01437699 ↗343 WEST 25 STREET
MANHATTAN
AlterationPermit Issued07/30/202608/12/2026Filing for construction fence.
B01426265 ↗170 NORTH 10 STREET
BROOKLYN
AlterationFiled — no permit on record08/03/2026——
B01436098 ↗1574 56 STREET
BROOKLYN
AlterationFiled — no permit on record08/03/2026——
Counts cover all 34 projects (34 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
PHILIBERT ENGINEERING, PC101/16/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
FACADE RES GROUP LLC407/10/2026
SKY CONSTRUCTION NY INC302/05/2026
C&M DRYWALL & ACOUSTIC CO204/14/2026
ON STAR MANAGEMENT LLC206/19/2026
VERTCON BUILDERS LLC207/30/2026
ACE MAINTENANCE USA LLC101/21/2026
AVDOO & PARTNERS CONSTRU*102/12/2026
BROOKSTONE DEVELOPERS LLC105/01/2026
CITY BUILDERS NYC LLC108/14/2026
COUNTYWIDE BUILDERS INC107/08/2026
DM80 SOLUTIONS LLC105/15/2026
HIL GROUP LLC107/16/2026
HOME EVOLUTIONS CORP107/07/2026
PARK USA DESIGN & REMODEL105/25/2026
SLA CONTRACTORS LLC107/16/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SMART CONSULTING NY.CORP1208/20/2026
SKY EQUITY GROUP LLC302/05/2026
AVDOO & PARTNERS DEVELOPMENT206/19/2026
ACE MAINTENANCE USA LLC101/21/2026
DSSR REALTY CORP107/08/2026
EXTELL DEVELOPMENT105/15/2026
HAPPIER104/14/2026
HOME EVOLUTIONS CORP107/07/2026
KNG BUILDERS INC108/14/2026
SLA CONTRACTORS LLC107/16/2026
THE JAY GROUP106/09/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BAR VIN LLC2908/20/2026
EAGLE EXPEDITING LLC108/03/2026
MISTER EXPEDITER108/14/2026
REDCUT EXPEDITING101/21/2026
RSL NY Conulting108/14/2026
34 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 34Open permit 22Signed off 1Filed only 11
34 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01425864 ↗240 4 AVENUE
BROOKLYN
AlterationPermit Issued07/08/202609/29/2026Filing for construction fence PAA.
B00947707 ↗25 STEWART AVENUE
BROOKLYN
AlterationPermit Issued10/18/202309/14/2026Filing to install 350 linear feet of temporary sidewalk shed as per plans filed.
B01433678 ↗5122 NEW UTRECHT AVENUE
BROOKLYN
AlterationFiled — no permit on record08/20/2026——
M01437699 ↗343 WEST 25 STREET
MANHATTAN
AlterationPermit Issued07/30/202608/12/2026Filing for construction fence.
B01426265 ↗170 NORTH 10 STREET
BROOKLYN
AlterationFiled — no permit on record08/03/2026——
B01436098 ↗1574 56 STREET
BROOKLYN
AlterationFiled — no permit on record08/03/2026——
M01435381341 WEST 25 STREET
MANHATTAN
AlterationPermit Issued07/23/202607/30/2026Filing for construction fence in conjunction with NBs M01305839-I1 & M01305858-I1
M01428757 ↗77 PERRY STREET
MANHATTAN
AlterationPermit Issued07/10/202607/20/2026Filing for approval of suspended scaffold plan.
S01429113 ↗221 ST JOHN AVENUE
STATEN ISLAND
AlterationPermit Issued07/16/202607/20/2026Filing for construction fence.
B01431601 ↗292 EAST 51 STREET
BROOKLYN
AlterationPermit Issued07/16/202607/17/2026
Contractor HIL GROUP LLC
Filing for approval of pump jack plan.
B01423512 ↗188 OCEAN PARKWAY
BROOKLYN
AlterationPermit Issued07/07/202607/10/2026Filing for construction fence
X01398245 ↗3232 OXFORD AVENUE
BRONX
AlterationFiled — no permit on record07/01/2026———
B01418944 ↗241 THIRD AVENUE
BROOKLYN
AlterationPermit Issued06/19/202606/30/2026Filling for construction fence in conjunction with NB's B01278368 & B01278364
M01343496 ↗358 BROADWAY
MANHATTAN
AlterationPermit Issued01/15/202606/26/2026Filing for installation of engineered enclosure system
X01408292 ↗231 ECHO PLACE
BRONX
AlterationPermit Issued06/08/202606/23/2026Filing for approval of suspended scaffold plan.
X01413786 ↗2973 INDEPENDENCE AVENUE
BRONX
AlterationPermit Issued06/15/202606/22/2026Filing for approval of suspended scaffold plan.
B01413558 ↗277 FLATBUSH AVENUE EXTENSION
BROOKLYN
AlterationPermit Issued06/09/202606/17/2026Filling for construction fence
Q01415182 ↗42-08 35 AVENUE
QUEENS
AlterationFiled — no permit on record06/12/2026——
B01406130 ↗46A PULASKI STREET
BROOKLYN
AlterationPermit Issued05/25/202605/29/2026Filing for approval of pump jack plan.
B01343364 ↗356 FULTON STREET
BROOKLYN
AlterationPermit Issued01/09/202605/22/2026Construction Fence
M01343509 ↗275 CHERRY STREET
MANHATTAN
AlterationPermit Issued01/07/202605/19/2026Construction fence
M01401612 ↗616 WEST 46 STREET
MANHATTAN
AlterationPermit Issued05/15/202605/19/2026Filling for Engineered Enclosure System
B01401634 ↗236 GOLD STREET
BROOKLYN
AlterationFiled — no permit on record05/14/2026——
M01394257 ↗772 ST NICHOLAS AVENUE
MANHATTAN
AlterationPermit Issued04/29/202605/07/2026Filing for post approval amendment of suspended scaffold plan.
B01394919 ↗121 DITMAS AVENUE
BROOKLYN
AlterationPermit Issued05/01/202605/04/2026Filing for approval of pump jack plan.
B01380121 ↗245 DUFFIELD STREET
BROOKLYN
AlterationFiled — no permit on record04/21/2026——
B01384126 ↗357 DEGRAW STREET
BROOKLYN
AlterationPermit Issued04/14/202604/15/2026
Owner HAPPIER
Construction fence
M01376335 ↗3RD AVENUE
MANHATTAN
AlterationPermit Issued03/25/202603/30/2026Cut and grout piles as per plans. No change to use, egress, or occupancy. Filed in conjunction with NB# M00542354-I1.
M01375257 ↗266 WEST 135 STREET
MANHATTAN
AlterationFiled — no permit on record03/20/2026——
B01349100 ↗371 HAWTHORNE STREET
BROOKLYN
AlterationSigned-off01/21/202603/05/2026Filing for the installation of pump jack scaffolds.
M01354412 ↗242 EAST 71 STREET
MANHATTAN
AlterationPermit Issued02/12/202602/19/2026Filing for construction fence.
B01348824 ↗755 KENT AVENUE
BROOKLYN
AlterationFiled — no permit on record02/02/2026——
M0133612137 WEST 116 STREET
MANHATTAN
AlterationFiled — no permit on record01/06/2026——
X01327586 ↗885 FOX STREET
BRONX
AlterationFiled — no permit on record12/03/2025——
Scope of Work
Structural — 2 projects · most recent 08/14/2026
Steel Masonry
Fence / Scaffold / Sign / Shed — 15 projects · most recent 07/30/2026
Fence Scaffold Sidewalk Shed
Suspended Scaffold — 4 projects · most recent 07/10/2026
Suspended Scaffold (SC)
▾Documents — 111 on file (BIS + DOB NOW)
▸Plans & Drawings44
▸DOB NOWPlans/Sketch44
09/06/2026M01376335-P5 · 3RD AVENUERequest digital key ↗
09/06/2026M01376335-I1 · 3RD AVENUERequest digital key ↗
Showing 3 of 44 on file for this type
▸Seals & Professional Certifications52
▸DOB NOWDPL-1: Design Professional Seal & Signature41
08/26/2026B00947707-P1 · 25 STEWART AVENUEOpen ↗
08/26/2026B00947707-I1 · 25 STEWART AVENUEOpen ↗
08/21/2026B01433678-I1 · 5122 NEW UTRECHT AVENUEOpen ↗
Showing 3 of 41 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature8
08/28/2026M01376335-P3 · 3RD AVENUEOpen ↗
08/28/2026M01376335-P3 · 3RD AVENUEOpen ↗
08/25/2026M01376335-P2 · 3RD AVENUEOpen ↗
Showing 3 of 8 on file for this type
▸DOB NOWProgress Inspector Seal & Signature3
08/28/2026M01376335-P3 · 3RD AVENUEOpen ↗
08/25/2026M01376335-P2 · 3RD AVENUEOpen ↗
08/23/2026M01376335-I1 · 3RD AVENUEOpen ↗
▸Safety & Tenant Protection1
▸DOB NOWHPD-2: Clinton Special District Anti-Harassment Checklist1
08/17/2026M01401612-I1 · 616 WEST 46 STREETOpen ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
09/29/2026B01436098-I1 · 1574 56 STREETOpen ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter1
08/13/2026M01336121-I1 · 37 WEST 116 STREETOpen ↗
▸Other Documents12
▸DOB NOWManufacturer's Specifications6
08/17/2026M01394257-P2 · 772 ST NICHOLAS AVENUEOpen ↗
08/17/2026M01394257-P1 · 772 ST NICHOLAS AVENUEOpen ↗
08/17/2026M01394257-I1 · 772 ST NICHOLAS AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWCalculations6
08/17/2026M01394257-P2 · 772 ST NICHOLAS AVENUEOpen ↗
08/17/2026M01394257-I1 · 772 ST NICHOLAS AVENUEOpen ↗
08/17/2026M01394257-P1 · 772 ST NICHOLAS AVENUEOpen ↗
Showing 3 of 6 on file for this type