Sigma Engineering P.C. — NYC Geotechnical Engineering Firm: DOB NOW Filings, Permits & Projects

Design Firm

SIGMA ENGINEERING P.C.

Design

14 projects with open permitsQUEENS · 10BRONX · 10MANHATTAN · 6

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14 buildings

Total Filings

Projects on File

Buildings Worked

Projects w/ Open Permits

Design

Role

Activity

Projects by first filing month29 projects all-time

bars = month · line = 3-mo average

Portfolio status

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Open permit1448%

Signed off1448%

Filed only13%

By project type

Alteration29

Most active buildings

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776 EAST GUN HILL ROADBRONX · latest 03/26/2025

5 projects

34-40 113 STREETQUEENS · 3 open · latest 09/02/2026

4 projects

86 CATHERINE STREETMANHATTAN · 3 open · latest 09/02/2026

3 projects

658 FOX STREETBRONX · 3 open · latest 09/02/2026

3 projects

460 BEACH 66 STREETQUEENS · 3 open · latest 09/02/2026

3 projects

774 EAST GUN HILL ROADBRONX · latest 03/24/2026

2 projects

Key relationships

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Design firms

NYC DEPT OF PARKS & RECREATION

1 projects

Filing representatives

PADILLA CONSTRUCTION SERVICES

6 projects

GILBANE BUILDING COMPANY

2 projects

NYC DEPT OF PARKS & RECREATION

1 projects

Contractors

PADILLA CONSTRUCTION SERV

28 projects

Owners

NYC SCHOOL CONSTRUCTION

7 projects

NYCSCA

3 projects

People

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Jefferson Salatest 08/03/2026

42 filings

Most recent projects

All projects →

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M00602814 ↗	86 CATHERINE STREET MANHATTAN	Alteration	Permit Issued	09/30/2021	09/02/2026	Owner NYCSCA Contractor PADILLA CONSTRUCTION SERVICES Filer GILBANE BUILDING COMPANY	Install 546LF of Temporary Sidewalk Shed around PS 126 School Building in conjunction with DOB Job # 103652352
M00896456 ↗	29 EAST 4 STREET MANHATTAN	Alteration	Permit Issued	06/28/2023	09/02/2026	Contractor PADILLA CONSTRUCTION SERVICES Filer NYC DEPT OF PARKS & RECREATION	SUBSEQUENT FILING OF STRUCTURAL WORK TYPE. ALL AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00973935 ↗	35 WEST 134 STREET MANHATTAN	Alteration	Permit Issued	12/21/2023	09/02/2026	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	USAGE OF DEBRIS CHUTE ATTACHED TO SUPPORTED SCAFFOLD ON SOUTHWEST CORNER OF BUILIDNG. EQUIPMENT IS WITHIN PARKS PROPORTY AND NOT OPEN TO PUB…
Q00820899 ↗	460 BEACH 66 STREET QUEENS	Alteration	Permit Issued	04/11/2023	09/02/2026	Owner NYC SCHOOL CONSTRUCTION Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	Install 1,120 LF of Temporary Sidewalk Shed Around PS 42(Q) School Building In Conjunction w./ DOB Job #Q00642603
Q00824209 ↗	34-40 113 STREET QUEENS	Alteration	Permit Issued	02/06/2023	09/02/2026	Owner NYC SCHOOL CONSTRUCTION Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	Install 960LF of temporary sidewalk shed around PS143Q school building in conjunction with DOB Job No.: 421102372
X00873449 ↗	658 FOX STREET BRONX	Alteration	Permit Issued	05/12/2023	09/02/2026	Contractor PADILLA CONSTRUCTION SERVICES	Install approximately 940 LF of sidewalk shed around PS62X school building in conjunction with DOB # X00667718 & 201207899

Counts cover all 29 projects (29 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.

Person	Filings	Most recent
Jefferson Sa	42	08/03/2026

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
NYC DEPT OF PARKS & RECREATION	1	03/17/2025

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
PADILLA CONSTRUCTION SERV	28	08/10/2026

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
NYC SCHOOL CONSTRUCTION	7	07/17/2026
NYCSCA	3	01/31/2022

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
PADILLA CONSTRUCTION SERVICES	6	07/17/2026
GILBANE BUILDING COMPANY	2	06/14/2024
NYC DEPT OF PARKS & RECREATION	1	03/17/2025

29 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 29Open permit 14Signed off 14Filed only 1

29 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M00602814 ↗	86 CATHERINE STREET MANHATTAN	Alteration	Permit Issued	09/30/2021	09/02/2026	Owner NYCSCA Contractor PADILLA CONSTRUCTION SERVICES Filer GILBANE BUILDING COMPANY	Install 546LF of Temporary Sidewalk Shed around PS 126 School Building in conjunction with DOB Job # 103652352
M00896456 ↗	29 EAST 4 STREET MANHATTAN	Alteration	Permit Issued	06/28/2023	09/02/2026	Contractor PADILLA CONSTRUCTION SERVICES Filer NYC DEPT OF PARKS & RECREATION	SUBSEQUENT FILING OF STRUCTURAL WORK TYPE. ALL AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00973935 ↗	35 WEST 134 STREET MANHATTAN	Alteration	Permit Issued	12/21/2023	09/02/2026	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	USAGE OF DEBRIS CHUTE ATTACHED TO SUPPORTED SCAFFOLD ON SOUTHWEST CORNER OF BUILIDNG. EQUIPMENT IS WITHIN PARKS PROPORTY AND NOT OPEN TO PUB…
Q00820899 ↗	460 BEACH 66 STREET QUEENS	Alteration	Permit Issued	04/11/2023	09/02/2026	Owner NYC SCHOOL CONSTRUCTION Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	Install 1,120 LF of Temporary Sidewalk Shed Around PS 42(Q) School Building In Conjunction w./ DOB Job #Q00642603
Q00824209 ↗	34-40 113 STREET QUEENS	Alteration	Permit Issued	02/06/2023	09/02/2026	Owner NYC SCHOOL CONSTRUCTION Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	Install 960LF of temporary sidewalk shed around PS143Q school building in conjunction with DOB Job No.: 421102372
X00873449 ↗	658 FOX STREET BRONX	Alteration	Permit Issued	05/12/2023	09/02/2026	Contractor PADILLA CONSTRUCTION SERVICES	Install approximately 940 LF of sidewalk shed around PS62X school building in conjunction with DOB # X00667718 & 201207899
X00880136 ↗	658 FOX STREET BRONX	Alteration	Permit Issued	06/05/2023	07/27/2026	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	USAGE OF (X) DEBRIS CHURTES AND (X) MATERIAL HOISTS ATTACHED TO SUPPORTED SCAFFOLD ON EAST AND NORTH ELEVATIONS. HOIST AND CHUTE EQUIPMENT I…
M00596946 ↗	86 CATHERINE STREET MANHATTAN	Alteration	Permit Issued	09/22/2021	03/24/2026	Owner NYCSCA Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	Install and Maintain 920 LF of Construction Fence around school building in conjunction with DOB 103652352.
M00614337 ↗	86 CATHERINE STREET MANHATTAN	Alteration	Permit Issued	10/21/2021	03/24/2026	Owner NYCSCA Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	INSTALL 1195 LF OF SUPPORTED SCAFFOLD AT A MAX HEIGHT OF 70FT AROUND PS 126 SCHOOL BUILDING AND IN CENTRAL COURTYARD AREA.
Q00811721 ↗	34-40 113 STREET QUEENS	Alteration	Permit Issued	02/09/2023	03/24/2026	Owner NYC SCHOOL CONSTRUCTION Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	USAGE OF (3) DEBRIS CHUTES AND (2) MATERIAL HOISTS ATTACHED TO SUPPORTED SCAFFOLD ON EAST AND NORTH ELEVATIONS. HOIST AND CHUTE EQUIPMENT IS…
Q00847725 ↗	460 BEACH 66 STREET QUEENS	Alteration	Permit Issued	04/11/2023	03/24/2026	Owner NYC SCHOOL CONSTRUCTION Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	INSTALL APPROX. 1,780 LF OF SUPPORTED SCAFFOLD AT A MAX HEIGHT OF 105FT AROUND PS42(Q0 SCHOOL BUILDING AND REAR COURTYARDS
Q08008794 ↗	460 BEACH 66 STREET QUEENS	Alteration	Permit Issued	01/30/2023	03/24/2026	Owner NYC SCHOOL CONSTRUCTION Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	INSTALL 1150 LF OF CONSTRUCTION FENCE AROUND PS 42(Q) SCHOOL BUILDING
Q08054829 ↗	34-40 113 STREET QUEENS	Alteration	Permit Issued	02/01/2023	03/24/2026	Owner NYC SCHOOL CONSTRUCTION Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	INSTALL 1025 LF OF CONSTRUCTION FENCE AROUND PS 143(Q) SCHOOL BUILDING
X00864720 ↗	658 FOX STREET BRONX	Alteration	Permit Issued	05/05/2023	03/24/2026	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	INSTALL APPROXIMATELY 1,410 LF OF CONSTRUCTION FENCE AROUND P.S. 62X SCHOOL BUILDING
X08029999 ↗	774 EAST GUN HILL ROAD BRONX	Alteration	Signed-off	11/15/2022	03/24/2026	Contractor PADILLA CONSTRUCTION SERVICES	Install Construction Fence around Athletic Field.
Q01209442 ↗	6 OLMSTED DRIVE QUEENS	Alteration	Signed-off	04/11/2025	06/09/2025	Contractor PADILLA CONSTRUCTION SERVICES	Rehabilitation of the ADA ramp. Work includes demolition of existing ramp, installation of new concrete ramp, railings, conduit, and fixture…
B01224327 ↗	140 LORRAINE STREET BROOKLYN	Alteration	Signed-off	05/16/2025	05/23/2025	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	Install temporary shoring/bracing at cellar and 1st floor of Red Hook Rec Center to support RC frame for future repairs by others. No change…
X08042632 ↗	776 EAST GUN HILL ROAD BRONX	Alteration	Signed-off	11/22/2022	03/26/2025	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	INSTALL SIDEWALK SHED FOR NEW BUILDING CONSTRUCTION
X00850344 ↗	776 EAST GUN HILL ROAD BRONX	Alteration	Signed-off	03/27/2023	03/24/2025	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	Approx 5,500 SF of excavation on north west corner of site near the corner of East Gun Hill Road and Capuchin Way
X08040404 ↗	776 EAST GUN HILL ROAD BRONX	Alteration	Signed-off	11/15/2022	03/24/2025	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	Installation of Fence Around Demolition of Existing Building & New Building
X08044248 ↗	776 EAST GUN HILL ROAD BRONX	Alteration	Signed-off	11/29/2022	03/24/2025	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	INSTALLATION OF SUPPORTED SCAFFOLD FOR NEW BUILDING CONSTRUCTION
X00844553 ↗	776 EAST GUN HILL ROAD BRONX	Alteration	Signed-off	03/16/2023	11/22/2024	Contractor PADILLA CONSTRUCTION SERVICES	Approx 5,500 SF of excavation on north west corner of site near the corner of East Gun Hill Road and Capuchin Way
Q00901189 ↗	163-22 98 STREET QUEENS	Alteration	Signed-off	08/01/2023	08/21/2024	Contractor PADILLA CONSTRUCTION SERVICES Filer GILBANE BUILDING COMPANY	Installation and Maintenance of Construction Fence along Property Line Surrounding the Construction Area
Q00864176 ↗	60-10 INTERBOROUGH PARKWAY QUEENS	Alteration	Signed-off	04/25/2023	03/21/2024	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	INSTALL APPROX. 275LF OF CONSTRUCTION FENCE AROUND NYC DPR GATEHOUSE #27 BUILDING IN HIGHLAND PARK
S00854908 ↗	1 HANNAH STREET STATEN ISLAND	Alteration	Signed-off	04/04/2023	03/21/2024	Contractor PADILLA CONSTRUCTION SERVICES	INSTALL 300LF OF CONSTRUCTION FENCE FOR NYC DPR PROJECT R043-119M LYONS POOL REC. CENTER RECONSTRUCTION STAGING AREA
M00682373 ↗	427 GANSEVOORT STREET MANHATTAN	Alteration	Signed-off	03/08/2022	12/19/2023	Contractor PADILLA CONSTRUCTION SERVICES	Installation of 700 LF Construction Fencing for Contract Number C5300 within 427 Gansevoort Property
Q00903082 ↗	34-40 113 STREET QUEENS	Alteration	Filed — no permit on record	07/17/2023	—	Owner NYC SCHOOL CONSTRUCTION Filer PADILLA CONSTRUCTION SERVICES	—
S00806248 ↗	1 HANNAH STREET STATEN ISLAND	Alteration	Signed-off	04/04/2023	04/28/2023	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	INSTALL SIDEWALK SHED PROTECTION ALONG BUILDING.
X00850218 ↗	774 EAST GUN HILL ROAD BRONX	Alteration	Signed-off	03/27/2023	04/11/2023	Contractor PADILLA CONSTRUCTION SERVICES Filer PADILLA CONSTRUCTION SERVICES	EXCAVATE APPROXIMATELY 3600 SF FOR SITE DRAINAGE SYSTEM

Scope of Work

Plumbing — 1 project · most recent 06/14/2024

Water/Sanitary

Structural — 2 projects · most recent 03/17/2025

Masonry

Fence / Scaffold / Sign / Shed — 13 projects · most recent 08/10/2026

Fence Scaffold Sidewalk Shed

Click a row for this entity's own projects, plans and documents at that building.

Building	Filings	Most Recent
35 WEST 134 STREET ↗	3	08/03/2026

460 BEACH 66 STREET ↗	8	07/15/2026

658 FOX STREET ↗	5	11/26/2025

140 LORRAINE STREET ↗	1	05/12/2025

29 EAST 4 STREET ↗	1	02/14/2025

34-40 113 STREET ↗	20	07/30/2024

163-22 98 STREET ↗	1	06/13/2024

776 EAST GUN HILL ROAD ↗	9	07/13/2023

60-10 INTERBOROUGH PARKWAY ↗	1	04/24/2023

774 EAST GUN HILL ROAD ↗	4	03/27/2023

1 HANNAH STREET ↗	2	12/30/2022

86 CATHERINE STREET ↗	5	01/31/2022

427 GANSEVOORT STREET ↗	4	—

6 OLMSTED DRIVE ↗	4	—