COMPANY RECORD · NEW YORK, NY
Roundsquare Builders,Llc — permit history in New York, NY
Roundsquare Builders,Llc appears on 29 New York permit records from 2020 through 2026, most often general construction (62.1% of the record).
Licence on record
| Number as published by the authority | Permits filed under it |
|---|---|
| 615495 | 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 | ROUNDSQUARE BUILDERS,LLC |
|---|---|
| Business address on file | 147 W 35TH STREET STE 903 NEW YORK NY 10001 |
| Business phone on file | (212) 840-3000 |
| Licence number | 615495 |
| 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 Roundsquare Builders,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 | 18 | 62.1% |
| Mechanical / HVAC | 11 | 37.9% |
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 | 8 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 2 |
Busiest year on record: 2021, with 8 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 Roundsquare Builders,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 |
|---|---|---|
| Dc Building Services Inc | 2 | 2024-01-05 |
| Reliable Plbg & Htg Corp | 2 | 2024-11-21 |
| Demar Mechanical Inc | 1 | 2023-06-02 |
| Five Borough Nyc LLC | 1 | 2025-08-08 |
| Moreair Mechanical Servic | 1 | 2025-09-04 |
5 companies are named alongside Roundsquare Builders,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 |
|---|---|
| 613 WEST 155 STREET | 2026-08-20 |
| 36 EAST 63 STREET | 2026-03-30 |
| 227 WEST 19 STREET | 2025-09-03 |
| 244 WAVERLY PLACE | 2024-11-12 |
| 228 EAST BROADWAY | 2024-11-08 |
| 11 WEST 16 STREET | 2024-11-07 |
| 107 BANK STREET | 2024-01-22 |
| 40 EAST 83 STREET | 2023-06-06 |
| 1000 5 AVENUE | 2023-01-31 |
| 4-76 47 AVENUE | 2021-11-29 |
| 155 EAST 76 STREET | 2021-03-18 |
| 893 BROADWAY | 2021-02-18 |
| 400 WEST 61 STREET | 2021-02-01 |
| 639 WEST 59 STREET | 2020-10-01 |
14 distinct addresses on record. Declared value on record runs from $0 to $4,000,000, median $150,000. 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 |
|---|---|---|
| Reliable Plbg & Htg Corp | 4 | 2021–2025 |
| J. Caiazzo Plbg & Htg Cor | 3 | 2020–2021 |
| Advanced Plbg, Mech & Spr | 2 | 2021–2025 |
| H & D Maintenance Co Inc | 2 | 2021–2026 |
| Access Plumbing Corp | 2 | 2020–2021 |
| Northeast Plbg & Htg Corp | 2 | 2020–2024 |
| Wolf Construction Corp 20 | 1 | 2021–2026 |
| Five Borough Nyc LLC | 1 | 2025 |
Companies that also appear in New York permit records at addresses where Roundsquare Builders,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 |
|---|---|---|---|---|---|
| M01399632-I1-GC | 2026-08-20 | General construction | 613 WEST 155 STREET | ARCHITECTURAL1. REMOVE EXISTING OIL TANK ROOM DOOR AND MASONRY ABOVE TO RAISE DOOR HEIGHT. INFILL NEWMASONRY BELOW WITH NEW SILL AT DOOR LEVEL.2. INSTALL NEW FIRE RATED DOOR ASSEMB | $60,000 |
| M01373615-I1-GC | 2026-03-30 | General construction | 36 EAST 63 STREET | Interior renovation to remove non-lead bearing partitions as per plans filed herewith. | $15,000 |
| M00999305-S4-MS | 2025-09-03 | Mechanical / HVAC | 227 WEST 19 STREET | FILING FOR MECHANICAL WORK IN CONJUNCTION WITH NB | $0 |
| M00999305-I1-GC | 2025-07-25 | General construction | 227 WEST 19 STREET | FILING FOR 11 STORY NEW BUILDING | $0 |
| M01136781-I1-GC | 2024-11-12 | General construction | 244 WAVERLY PLACE | ALTERATION APPLICATION FILED HEREWITH TO CONSTRUCT A TEMPORARY MOCK UP FOR FUTURE ROOFTOP STRUCTURE ADDITION. NO CHANGE IN USE, OCCUPANCY OR EGRESS. | $20,000 |
| M00830772-S2-MS | 2024-11-08 | Mechanical / HVAC | 228 EAST BROADWAY | mechanical filing associated with application#M00830772-I1 | $1,000 |
| M01066712-I1-GC | 2024-11-07 | General construction | 11 WEST 16 STREET | Filing for change of use on 2nd floor from Gallery Administrative Offices to an Archive Library, modifications to Occupant loads, minor interior removals and construction per plans | $151,054 |
| M01107956-I1-GC | 2024-10-28 | General construction | 11 WEST 16 STREET | Remove and install non load bearing partitions, doors and flooring related to renovation of Lobby. | $325,000 |
| M00830772-I1-GC | 2024-09-17 | General construction | 228 EAST BROADWAY | FILING ALT-1 FOR CONVERSION OF 1ST, 2ND, 3RD FLOORS AND PARTIAL 4TH FLOORS FROM INSTITUTIONAL (I-1) TO RESIDENTIAL (R-2) IN CONJUNCTION WITH ALT-1 121205908 | $2,197,475 |
| M00650122-I1-GC | 2024-01-22 | General construction | 107 BANK STREET | ALT-CO APPLICATION FILED HEREWITH TO COMBINE TWO EXISTING 4 STORY CLASS 3 (NON-FIREPROOF - PRIOR TO 1968) MULTIPLE DWELLINGS INTO ONE BUILDING, HORIZONTAL AND VERTICAL ENLARGEMENT, | $4,000,000 |
| M00650122-S3-MS | 2024-01-02 | Mechanical / HVAC | 107 BANK STREET | INSTALLATION OF MECHANICAL SYSTEMS/EQUIPMENT AND ALL ASSOCIATED PIPING AND DUCTWORK IN CONJUNCTION WITH ALT-CO GUT RENOVATION | $1,000 |
| M00872398-I1-GC | 2023-06-06 | General construction | 40 EAST 83 STREET | Selective interior removals and interior renovation of existing residential apartment | $250,000 |
| M08008371-I1-GC | 2023-04-14 | General construction | 107 BANK STREET | FILING FOR PARTIAL DEMOLITION OF 107 BANK STREET IN CONJUNCTION WITH ALT-CO APPLICATION M00650122-I1 | $50,000 |
| M00751597-I1-MS | 2023-01-31 | Mechanical / HVAC | 1000 5 AVENUE | 81st Street Studio in Wing K - mechanical work as per plans filed herewith | $37,500 |
| M00751567-I1-GC | 2023-01-31 | General construction | 1000 5 AVENUE | 81st Street Studio in Wing K - renovations as per plans filed herewith. No change in use, egress or occupancy | $1,855,490 |
| M08037811-I1-MS | 2023-01-12 | Mechanical / HVAC | 1000 5 AVENUE | DIGITAL MEDIA OFFICE - MECHANICAL WORK AS PER PLANS FILED HEREWITH. | $232,500 |
| M08037518-I1-GC | 2023-01-10 | General construction | 1000 5 AVENUE | REVOVATIONS TO DIGITAL MEDIA OFFICE, MINOR PARTITIONS, DOORS, CEILINGS AND WORK AS PER PLANS FILED HERWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY | $372,890 |
| M08008415-I1-GC | 2022-10-15 | General construction | 107 BANK STREET | Filing for interior demo at landmarked property in conjunction with ALT-CO application M00650122-I1. CNE 23-01575. Work to include removal of non-bearing, non-structural elements o | $10,000 |
| M00769866-I1-GC-CX | 2022-08-05 | General construction | 107 BANK STREET | INSTALLATION OF BRACING TO TIE-BACK THE EXISTING PARTY WALL TO THE EXISTING STRUCTURE. | $50,000 |
| M00677121-I1-GC | 2022-03-11 | General construction | 107 BANK STREET | Removal of non-bearing, non-structural elements only for existing two family dwelling. Removal of existing plumbing fixtures and associated piping. No change in use, egress, occupa | $10,000 |
| Q00545852-I1-GC | 2021-11-29 | General construction | 4-76 47 AVENUE | RENOVATE EXISTING TENANT AMENITY SPACES ON PART 6TH AND 7TH FLOORS AS PER PLANS FILED. NO CHANGE IN USE, OCCUPANCY, OR EGRESS. | $1,000,000 |
| Q00547698-I1-MS | 2021-11-29 | Mechanical / HVAC | 4-76 47 AVENUE | MODIFY DUCT WORK IN EXISTING AMENITY SPACE ON PART 6TH AND 7TH FLOORS, INCLUDING RELOCATION OF 1 UNIT (WAC-17B) TO NEW LOCATION, AS PER PLANS FILED. NO CHANGE IN USE, OCCUPANCY, O | $150,000 |
| M00237210-I1-MS | 2021-06-23 | Mechanical / HVAC | 228 EAST BROADWAY | MECHANICAL WORK IN CONJUNCTION WITH ALT-1 APPLICATION 121205908, AS PER PLAN. NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION. | $1,075,496 |
| M00465406-S1-MS | 2021-06-14 | Mechanical / HVAC | 1000 5 AVENUE | MODIFICATION TO MECHANICAL DUCTWORK, NEW FAN COIL UNIT AND EXHAUST FOR SPAY BOOTH AS PER PLANS FILED HEREWITH. | $260,000 |
| M00465406-I1-GC | 2021-06-13 | General construction | 1000 5 AVENUE | WING U - PREPARATOR'S STUDIO AT 5TH FLOOR. MINOR INTERIOR PARTITIONS AND CEILINGS AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY | $500,310 |
| M00485670-I1-GC | 2021-03-18 | General construction | 155 EAST 76 STREET | Interior renovation of Unit 8E; Minor work to include installation of non-load bearing interior partitions and related finishes; No change to bulk, egress, use, or occupancy. | $1,750 |
| M00285315-I1-MS | 2021-02-18 | Mechanical / HVAC | 893 BROADWAY | Mechanical work as shown on plans filed herewith, filed in conjunction with alt2 # 123727814 | $899,999 |
| M00362039-I1-MS | 2021-02-01 | Mechanical / HVAC | 400 WEST 61 STREET | Nexus: Modification to HVAC system as per plans filed herewith. No change in use egress or occupancy under this application. | $300,000 |
| M00386111-I1-MS | 2020-10-01 | Mechanical / HVAC | 639 WEST 59 STREET | Modification to HVAC system as per plans filed herewith. Filed in connection with NB# 121193458. | $116,550 |
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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