COMPANY RECORD · NEW YORK, NY
Sidwell Development LLC — permit history in New York, NY
Sidwell Development LLC appears on 29 New York permit records from 2020 through 2026, most often general construction (86.2% of the record).
Licence on record
| Number as published by the authority | Permits filed under it |
|---|---|
| 607943 | 29 |
The number is reproduced as New York published it. A licence appearing on a permit does not prove it is current: check status and expiry with the issuing authority before acting.
Business record held by the regulator
| Name as registered | SIDWELL DEVELOPMENT LLC |
|---|---|
| Business address on file | 383 KINGSTON AVE #265 BROOKLYN NY 11213 |
| Business phone on file | (718) 775-3268 |
| Licence number | 607943 |
| Licence type | GENERAL CONTRACTOR |
| Status in the register | ACTIVE |
Read from DOB License Info, published by the NYC Department of Buildings; our copy is from 2026-10-31. The name, address and phone are those the company filed with the regulator, reproduced as published. A permit shows the licence was on file the day it was filed. These rows show what the regulator holds now. The record is matched to Sidwell Development LLC by company name, and only where that name resolves to exactly one licence in the register — a rule measured at 99.4% correct against permits whose licence number we already know. Verify with the authority before acting on it.
Permit categories
| Category | Permits | Share |
|---|---|---|
| General construction | 25 | 86.2% |
| Mechanical / HVAC | 4 | 13.8% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 3 |
Busiest year on record: 2022, with 7 permits. One project can account for several filings, so read this as filing activity rather than workload.
PROJECTS AHEAD SEARCH
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This page is a snapshot of Sidwell Development LLC. The search behind it holds more than 352,308 New York permits naming a contractor, since 2019: 151,351 building permits, 117,270 plumbing permits, 72,431 mechanical (HVAC) permits, 43,000 fire protection permits.
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Named on the same permit
| Name in source | Linked permits | Last seen |
|---|---|---|
| 5 Boro's Plumbing Inc | 5 | 2026-07-22 |
| Gw Mechanical Corp | 3 | 2026-02-25 |
| Safety Fire Sprinkler Cor | 2 | 2026-07-22 |
3 companies are named alongside Sidwell Development LLC on the same New York permit. A shared permit is a documented co-appearance, not proof of a current contract. Names appear as the authority published them.
Where they worked
| Address in source | Most recent permit |
|---|---|
| 315 NEW YORK AVENUE | 2026-02-20 |
| 1326 UNION STREET | 2026-02-12 |
| 22 CORTLANDT STREET | 2026-01-14 |
| 2500 JOHNSON AVENUE | 2025-08-01 |
| 580 FLATBUSH AVENUE | 2025-05-21 |
| 590 FLATBUSH AVENUE | 2025-05-21 |
| 1700 BEDFORD AVENUE | 2025-05-21 |
| 207 EAST 71 STREET | 2024-11-25 |
| 501 BRIGHTWATER COURT | 2024-07-25 |
| 203 EAST 71 STREET | 2024-04-22 |
| 625 WEST 113 STREET | 2023-05-30 |
| 34-44 STEINWAY STREET | 2023-03-09 |
| 319 NEW YORK AVENUE | 2022-11-01 |
| 54 CHARLES STREET | 2022-09-07 |
15 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $1,500,000, median $78,048. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Also named on permits at the same addresses
| Company | Shared addresses | Years |
|---|---|---|
| 5 Boro's Plumbing Inc | 4 | 2021–2026 |
| Gw Mechanical Corp | 2 | 2024–2026 |
| Infiniti Esc Plumbing Cor | 1 | 2026 |
| Safety Fire Sprinkler Cor | 1 | 2021–2026 |
| G.A.M.C.N.Y. LLC | 1 | 2021–2026 |
| Cerina General Contr Inc | 1 | 2021–2026 |
| Advanced Plbg, Mech & Spr | 1 | 2021–2026 |
| 2323 Development Corp | 1 | 2021–2026 |
Companies that also appear in New York permit records at addresses where Sidwell Development LLC filed, in any year. Sharing an address is a documented co-appearance, not proof that they worked on the same project or with each other.
Permits on record
29 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| B01047752-I1-GC | 2026-02-20 | General construction | 315 NEW YORK AVENUE | REMOVE NON-LOAD BEARING INTERIOR PARTIONS, DROP CEILING, GYPSUM BOARD FINSHES AND CAP & REMOVE PLUMBING LINES & FIXTURES IN CELLAR TO CORRECT WWP VIOL#34900717M. NO CHANGE IN USE, | $13,000 |
| B01302486-I1-GC | 2026-02-12 | General construction | 1326 UNION STREET | Renovations of existing basement with walls, floor, ceiling finishes and non-load bearing partitions to comply and cure ECB violation numbers, 39159693J, 39159692H and 35159691X as | $54,479 |
| M01325092-I1-GC | 2026-01-14 | General construction | 22 CORTLANDT STREET | Renovate space as per plans filed | $720,047 |
| M01290151-I1-GC | 2025-12-04 | General construction | 22 CORTLANDT STREET | CREATE NEW ROOF DECK AT 6 FLOOR SET BACK TERRACE RENOVATE 6TH FLOORS AS PER PLANS FILED | $480,000 |
| M01185954-I1-GC-CX | 2025-09-16 | General construction | 22 CORTLANDT STREET | INFILL OF EXISTING ESCALATOR AND ELEVATOR FLOOR OPENINGS ON THE 4TH, 5TH, AND 6TH FLOORS. NO CHANGE IN USE. OCCUPANCY OR EGRESS. | $78,048 |
| X01259495-I1-GC | 2025-08-01 | General construction | 2500 JOHNSON AVENUE | SHOW AND LEGALIZE ALL EXISTING CONDITIONS AND MERGED TOGETHER OVER 20 YEARS AGO. NO OTHER CHANGES OR NEW WORK PROPOSED.EXCEPT TO INSTALL 10 YEAR BATTERY COMBINATION CARBON MONOXIDE | $0 |
| M01227756-I1-GC | 2025-07-03 | General construction | 22 CORTLANDT STREET | FILING FOR REMOVAL OF NON-BEARING PARTITIONS AS INDICATED ON PLANS | $480,000 |
| B01157339-I1-GC-CX | 2025-05-21 | General construction | 580 FLATBUSH AVENUE | PROPOSED PARKING GARAGE REPAIRS. INCLUDES CONCRETE CRACK AND SPALL REPAIR MAINENANCE AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | $35,000 |
| B01157351-I1-GC-CX | 2025-05-21 | General construction | 590 FLATBUSH AVENUE | PROPOSED PARKING GARAGE REPAIRS. INCLUDES CONCRETE CRACK AND SPALL REPAIR MAINENANCE AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | $35,000 |
| B01157357-I1-GC-CX | 2025-05-21 | General construction | 1700 BEDFORD AVENUE | PROPOSED PARKING GARAGE REPAIRS. INCLUDES CONCRETE CRACK AND SPALL REPAIR MAINENANCE AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY. | $85,000 |
| M08002373-I1-GC | 2024-11-25 | General construction | 207 EAST 71 STREET | PROPOSE INTERIOR RENOVATION & RELOCATE EXISTING FLOOR AREA OF THIS EXISTING 3-STORY W/ CELLAR & SUB-CELLAR SINGLE FAMILY HOUSE. | $1,084,980 |
| B01061696-I1-GC-CX | 2024-07-25 | General construction | 501 BRIGHTWATER COURT | REPAIR AND SEAL EXISTING DETERIORATING CRACK IN WALLS FOR 2ND FLOOR APT. 212, 3RD FLOOR APT. 312, 4TH FLOOR APT. 412, 5TH FLOOR APT. 512 AND 6TH FLOOR APT. 612. NO CHANGE OF USE, E | $20,000 |
| B01061306-I1-GC | 2024-07-17 | General construction | 501 BRIGHTWATER COURT | REPLACE EXISTING FIRE DAMAGED WINDOWS, GYPSUM BOARDS, WOOD FLOOR AND CEILING FOR 4TH FLOOR APT. 412, 5TH FLOOR APT. 512 AND 6TH FLOOR APT. 612. NO CHANGE OF USE, EGRESS OR OCCUPANC | $135,300 |
| B01061741-I1-GC | 2024-07-16 | General construction | 501 BRIGHTWATER COURT | REPLACE EXISTING GYPSUM BOARDS AND RE-TILE KITCHEN FLOOR AND WALL FOR 3RD FLOOR APT. 312. NO CHANGE OF USE, EGRESS OR OCCUPANCY. | $28,850 |
| M00961472-I1-GC | 2024-04-22 | General construction | 22 CORTLANDT STREET | FILING FOR INTERIOR DEMOLITION: WORK TO INCLUDE REMOVAL OF NON BEARING PARTITIONS, DOORS, MILL-WORK AND FINISHES AS PER PLANS FILED | $320,000 |
| M07998593-I1-GC-CX | 2024-04-22 | General construction | 203 EAST 71 STREET | APPLICATION FILED FOR HORIZONTAL ENLARGEMENT ATREAR OF EXISTING RESIDENTIAL USE BUILDING. MINOR INTERIOR PARTITIONING AS PER PLANS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY | $104,314 |
| M00606165-I1-GC | 2023-05-30 | General construction | 625 WEST 113 STREET | INTERIOR RENOVATION FROM CELLAR TO FIFTH FLOOR WITH CHANGE TO THE USE OF OCCUPANCY. ALL AS PER THE NYC CODE & ZONING RULES AND REGULATIONS. | $250,000 |
| Q00745790-I1-MS | 2023-03-09 | Mechanical / HVAC | 34-44 STEINWAY STREET | INTERIOR RENOVATION OF EXISTING COMMERCIAL SPACE, MECHANICAL WORK IN CONJ. WITH ALT 1. NO CHANGE IN USE EGESS OR OCCUPANCY. | $10,000 |
| Q00678507-I1-GC | 2023-01-25 | General construction | 34-44 STEINWAY STREET | CONVERTING EXISTING RESTAURANT GLAZIER SHOP TO COMMERCIAL USE GROUP 6 RETAIL ESTABLISHMENT AS PER PLANS AND OBTAIN NEW CERTIFICATE OF OCCUPANCY. ENERGY FILED WITH PLUMBING APPLICAT | $5,000 |
| B00792243-I1-GC | 2022-11-01 | General construction | 319 NEW YORK AVENUE | APT REHAB DUE TO FIRE (A3,B3,C3,D3). RMV & RPR NON BEARING PARTITIONS, PATCH & RPR WALLS & CEILINGS, AND CORRECT PART'L VACATE #VIO22-01371. PL UNDER SUBSQNT FILING, NO STRUCT WORK | $274,725 |
| M00758147-S1-MS | 2022-09-07 | Mechanical / HVAC | 54 CHARLES STREET | Application filed herewith in conjunction to application M00758147-I1 | $1,000 |
| M00758147-I1-GC | 2022-08-31 | General construction | 54 CHARLES STREET | APPLICATION FILED FOR MINOR INTERIOR RENOVATION ATBASEMENT, 1ST, 2ND, AND 3RD FLOOR AS PER PLANS. MINOR PARTITIONING RELATED TO MECHANICAL FILING(FILED UNDER SEPARATE APPLICATION). | $8,750 |
| B00747475-I1-GC | 2022-08-23 | General construction | 319 NEW YORK AVENUE | REMOVAL OF CELLAR APT TO CORRECT WWP VIOL#39062049H AND RESTORE TO PRIOR LEGAL CONDITION. REMOVE NON LOAD BEARING PARTITIONS AS PER PLANS. PLUMBING WORK TO BE FILED UNDER SUBSEQUEN | $5,350 |
| M00674422-I1-GC | 2022-06-10 | General construction | 22 CORTLANDT STREET | INTERIOR DEMOLITION OF NON BEARING PARTITIONS AS PER PLANS FILED | $500,000 |
| Q00690995-I1-GC | 2022-04-06 | General construction | 34-44 STEINWAY STREET | APPLICATION FILED FOR INTERIOR RENOVATIONS AS PER PLANS FILED HEREWITH NO CHANGE IN USE OCCUPANCY OR EGRESS | $10,000 |
| M00640916-I1-GC | 2022-03-23 | General construction | 22 CORTLANDT STREET | INTERIOR DEMOLITION OF NON BEARING PARTITIONS AS PER PLANS FILED | $1,500,000 |
| M00517617-I1-MS | 2021-07-01 | Mechanical / HVAC | 22 CORTLANDT STREET | MODIFY EXISTING MECHANICAL SYSTEM | $95,000 |
| M00513238-I1-GC | 2021-05-20 | General construction | 22 CORTLANDT STREET | RENOVATE EXISTING COMMERCIAL SPACE, WORK ENTAILS : MINOR INTERIOR DEMOLITION OF NON-BEARING PARTITIONS . INSTALLATION OF NEW PARTITIONS, DOORS, MODIFICATION TO EXISTING REFLECTED C | $418,500 |
| B00348532-I1-MS | 2020-06-22 | Mechanical / HVAC | 1539 TROY AVENUE | INSTALLATION OF TWO (2) GAS-FIRED PACKAGE ROOFTOP AIR CONDITIONING UNITS AND DUCTWORK FOR OFFICES. GAS PIPING FILED UNDER SEPARATE APPLICATION B00348540. NO CHANGE TO USE EGRESS | $32,000 |
Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.
Source and limits
Public New York permit records through 2026, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →
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