COMPANY RECORD · NEW YORK, NY
Unispace Of Boston LLC — permit history in New York, NY
Unispace Of Boston LLC appears on 55 New York permit records from 2019 through 2026, most often general construction (50.9% of the record).
Licence on record
| Number as published by the authority | Permits filed under it |
|---|---|
| 610275 | 55 |
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 | UNISPACE OF BOSTON LLC |
|---|---|
| Business address on file | 75 STATE STREET, STE 2503 BOSTON MA 02109 |
| Business phone on file | (952) 451-9186 |
| Licence number | 610275 |
| 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 Unispace Of Boston 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 | 28 | 50.9% |
| Mechanical / HVAC | 27 | 49.1% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 14 |
| 2023 | 10 |
| 2024 | 13 |
| 2025 | 4 |
| 2026 | 4 |
Busiest year on record: 2022, with 14 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 Unispace Of Boston 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 |
|---|---|---|
| A Plus Plumbing Corp | 2 | 2024-02-26 |
| Abco-Peerless Sprklr Corp | 2 | 2024-02-14 |
| Par Plumbing Co., Inc | 1 | 2024-09-12 |
3 companies are named alongside Unispace Of Boston 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 |
|---|---|
| 51 ASTOR PLACE | 2026-08-11 |
| 50 HUDSON YARDS | 2026-01-07 |
| 546 FIFTH AVENUE | 2025-10-10 |
| 1211 6 AVENUE | 2025-06-17 |
| 1745 BROADWAY | 2025-05-20 |
| 1 LIBERTY PLAZA | 2024-09-30 |
| 9 WEST 57 STREET | 2024-09-16 |
| 599 LEXINGTON AVENUE | 2024-08-15 |
| 420 5 AVENUE | 2024-05-07 |
| 605 THIRD AVENUE | 2024-04-30 |
| 285 MADISON AVENUE | 2024-01-17 |
| 120 BROADWAY | 2023-08-31 |
| 1 ROCKEFELLER PLAZA | 2023-08-17 |
| 311 WEST BROADWAY | 2023-05-17 |
24 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $5,000 to $15,534,090, median $371,300. 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 |
|---|---|---|
| M&T Plbg And Htg Co., Inc | 6 | 2019–2024 |
| Abco-Peerless Sprklr Corp | 5 | 2019–2026 |
| Par Plumbing Co., Inc | 5 | 2019–2026 |
| Sirina Fire Prot Corp | 4 | 2019–2022 |
| Tristate Plbg Svcs Corp | 4 | 2019–2026 |
| Preferred Mechanical Inc | 3 | 2019–2026 |
| Par Fire Protection LLC | 3 | 2019–2026 |
| A&A Plumbing Corp | 3 | 2020–2026 |
Companies that also appear in New York permit records at addresses where Unispace Of Boston 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
55 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| M01432016-I1-GC | 2026-08-11 | General construction | 51 ASTOR PLACE | General construction for Xantium Investments on 12th floor | $1,592,276 |
| M01432021-I1-MS | 2026-08-11 | Mechanical / HVAC | 51 ASTOR PLACE | Mechanical work for Xantium Investments on 12th floor | $350,000 |
| M01346801-I1-GC | 2026-02-04 | General construction | 51 ASTOR PLACE | General construction for temporary space for Xantium Investments on 12th floor | $234,360 |
| M01270476-I1-GC | 2026-01-07 | General construction | 50 HUDSON YARDS | FILING HEREWITH FOR INTERIOR RENOVATION PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY, | $12,044,701 |
| M01274840-I1-GC | 2025-10-10 | General construction | 546 FIFTH AVENUE | MINOR INTERIOR RENOVATION TO EXISTINGTENANT FLOOR 5 PRIVATE OFFICES IN BUILDING. NO CHANGE IN OCCUPANTLOAD NUMBER, USE OR EGRESS. NO RENOVATION TO EXTERIOR ENVELOP. | $134,360 |
| M01225301-I1-MS | 2025-06-17 | Mechanical / HVAC | 1211 6 AVENUE | Filing herewith drawings indicating modification of the mechanical system on the 5th floor. No change in use, egress, or occupancy under this application. | $30,998 |
| M01225257-I1-GC | 2025-06-12 | General construction | 1211 6 AVENUE | Filing herewith drawings indicating interior renovations on the 5th floor. No change in use, egress, or occupancy under this application. | $459,998 |
| M01215676-I1-GC | 2025-05-20 | General construction | 1745 BROADWAY | Interior renovation as per plans filed herewith. | $274,000 |
| M01095943-I1-GC | 2024-09-30 | General construction | 1 LIBERTY PLAZA | Interior renovation as shown on plans. There is no change in egress use or occupancy. | $2,639,754 |
| M01102815-I1-MS | 2024-09-19 | Mechanical / HVAC | 1 LIBERTY PLAZA | Mechanical modifications as shown on plans. | $244,230 |
| M01098744-I1-GC | 2024-09-16 | General construction | 9 WEST 57 STREET | Interior Alteration: Removal and installation of interior nonbearing partitions as per plans filed herewith. No change in use, egress or occupancy under this application. | $2,740,927 |
| M01098744-S1-MS | 2024-09-16 | Mechanical / HVAC | 9 WEST 57 STREET | Filing herewith mechanical work on the 45th floor as per plans filed herewith. No change to use, egress, or occupancy. | $1,036,485 |
| M01083621-I1-MS | 2024-08-15 | Mechanical / HVAC | 599 LEXINGTON AVENUE | HVAC and ductwork modification of the 13th floor as indicated on attached plans. | $754,828 |
| M01083616-I1-GC | 2024-08-14 | General construction | 599 LEXINGTON AVENUE | General construction related to buildout of 13th floor as indicated on attached plans | $1,489,751 |
| M01037249-I1-MS | 2024-05-07 | Mechanical / HVAC | 420 5 AVENUE | Filing herewith to indicate mechanical work ductwork as shown on plans. There will be no change of use, occupancy or egress under this application. | $724,000 |
| M01033168-I1-GC | 2024-05-03 | General construction | 420 5 AVENUE | (MSC) FILING HEREWITH FOR NON-STRUCTURAL INTERIOR DEMOLITION AND INTERIOR RENOVATION AS SHOWN ON PLANS . THERE WILL BE NO CHANGE OF USE, OCCUPANCY OR EGRESS UNDER THIS APPLICATION. | $3,100,000 |
| M01037270-I1-GC | 2024-04-30 | General construction | 605 THIRD AVENUE | General Construction to take place on the 2nd floor as per plans filed herewith. No change in use, egress, or occupancy. | $72,000 |
| M01003383-I1-GC | 2024-02-22 | General construction | 420 5 AVENUE | Filing herewith for non-structural demo work on 8th and 26th floors as shown on plans. There will be no change of use, occupancy or egress under this application. | $5,000 |
| M01003389-I1-MS | 2024-02-22 | Mechanical / HVAC | 420 5 AVENUE | Filing herewith for demo mechanical work on 8th and 26th floors as shown on plans. There will be no change of use, occupancy or egress under this application. | $30,200 |
| M00961320-I1-GC | 2024-01-17 | General construction | 285 MADISON AVENUE | INSTALL NEW PARTITIONS, MILLWORK, FINISHES AND CEILINGS PER PLANS HEREWITH SUBMITTED. NO CHANGE IN USE, EGRESS OR OCCUPANCY | $244,000 |
| M00961320-S1-MS | 2024-01-16 | Mechanical / HVAC | 285 MADISON AVENUE | Modify existing ductwork per plans herewith submitted | $73,200 |
| M00941810-I1-GC | 2023-10-26 | General construction | 285 MADISON AVENUE | REMOVE EXISTING PARTITIONS, MILLWORK, FINISHES AND ACT CEILING PER PLANS HEREWITH SUBMITTED. NO CHANGE IN USE, EGRESS OR OCCUPANCY | $25,925 |
| M00890518-I1-GC | 2023-08-31 | General construction | 120 BROADWAY | Removal and installation of interior nonbearing partitions as per plans filed herewith. Establishing Place of Assembly (M00889723-I1); No additional changes in use. | $1,306,892 |
| M00906654-I1-GC | 2023-08-17 | General construction | 1 ROCKEFELLER PLAZA | Filing herewith interior renovation in existing 30th floor space. No change in use, egress or occupancy. | $35,000 |
| M00889694-I1-GC | 2023-07-26 | General construction | 120 BROADWAY | Interior renovation to existing tenant floor. Includes removal of existing non-structural partitions, floor finishes and suspended ceiling and reconstruction of interior non-struct | $3,440,673 |
| M00889705-I1-MS | 2023-07-26 | Mechanical / HVAC | 120 BROADWAY | Modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application. | $530,940 |
| M00709221-I1-MS | 2023-05-17 | Mechanical / HVAC | 311 WEST BROADWAY | MECHANICAL WORK IN CONJUNCTION WITH INTERIOR RENOVATION OF 1ST FLOOR COMMERCIAL SPACE. AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. | $28,000 |
| M00824873-I1-GC | 2023-03-23 | General construction | 599 LEXINGTON AVENUE | General Construction on 14th (Partial) and 15th Floors as indicated on attached plans. There is no change in egress, use or occupancy. | $1,920,400 |
| M00824882-I1-MS | 2023-03-20 | Mechanical / HVAC | 599 LEXINGTON AVENUE | Modification of Mechanical/HVAC systems on 14th (Partial) and 15th Floors as indicated on attached plans. There is no change to egress, use or occupancy. | $686,250 |
| S00821864-I1-MS | 2023-03-09 | Mechanical / HVAC | 260 CHRISTOPHER LANE | Interior renovation of HVAC ductwork and associated mechanical systems on part of ground floor as indicated on attached plans. There is no change in egress, use or occupancy. | $94,650 |
| S00821111-I1-GC | 2023-03-08 | General construction | 260 CHRISTOPHER LANE | Interior renovation on part of ground floor as indicated on attached plans. There is no change in egress, use or occupancy. | $306,750 |
| M00787545-I1-MS | 2022-10-26 | Mechanical / HVAC | 12 EAST 49 STREET | Modification of the mechanical system on the 36th FL office space QIC. No change of use, egress or occupancy. | $192,000 |
| M00787480-I1-GC | 2022-10-12 | General construction | 12 EAST 49 STREET | Interior renovation of office space on the 36th FL. No change of use, egress or occupancy. | $512,000 |
| M00738649-I1-MS | 2022-08-19 | Mechanical / HVAC | 277 PARK AVENUE | Modification to Mechanical systems as per plans filed herewith. No change in use, occupancy or egress. | $750,000 |
| M00738639-I1-GC | 2022-08-08 | General construction | 277 PARK AVENUE | Interior renovation as per plans filed herewith. No change in use, occupancy or egress. | $3,000,000 |
| M00641951-I1-MS | 2022-07-26 | Mechanical / HVAC | 462 BROADWAY | Mechanical roof work. | $1,686,000 |
| M00641945-I1-MS | 2022-04-26 | Mechanical / HVAC | 462 BROADWAY | MECHANICAL WORK IN CONJUNCTION WITH INTERIOR OFFICE RENOVATION ON FLOORS 3 THRU6. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. | $3,976,150 |
| M00641946-I1-GC | 2022-04-15 | General construction | 462 BROADWAY | INTERIOR OFFICE RENOVATION ON FLOORS 3 THROUGH 6. WORK TO INCLUDE INSTALLATION OF INTERCONNECTING STAIRS. MINOR RENOVATION OF THE CROSBY STREET LOBBY. NO CHANGE IN USE, EGRESS, OR | $15,534,090 |
| M00672810-I1-GC | 2022-04-08 | General construction | 311 WEST BROADWAY | INTERIOR RENOVATION OF 1ST FLOOR COMMERCIAL SPACE AS PER PLANS FILED HEREWITH. WORK TO INCLUDE INTERIOR DEMO AND INSTALL OF FINISHES AND NON-LOAD BEARING PARTITIONS AND DOORS. NO C | $411,000 |
| S00675603-I1-GC | 2022-03-14 | General construction | 260 CHRISTOPHER LANE | Interior renovation on the 3rd floor. There is no change in egress use or occupancy. | $371,300 |
| M00641260-I1-GC | 2022-03-09 | General construction | 462 BROADWAY | DEMOLITION OF EXISTING INTERIOR NON-STRUCTURAL PARTITIONS, CEILINGS, AND FINISHES ON FLOORS 5 AND 6. NO CHANGES TO USE, EGRESS, OR OCCUPANCY. | $250,000 |
| M00641261-I1-MS | 2022-03-09 | Mechanical / HVAC | 462 BROADWAY | MECHANICAL DEMOLITION IN CONJUNCTION WITH INTERIOR RENOVATION ON FLOORS 5 AND 6. NO CHANGE IN USE, EGRESS, OR OCCUPANCY. | $50,000 |
| S00675632-I1-MS | 2022-02-18 | Mechanical / HVAC | 260 CHRISTOPHER LANE | Mechanical modifications on 3rd floor. There is no change in use egress of occupancy. | $47,575 |
| M00645203-I1-GC | 2022-01-14 | General construction | 250 PARK AVENUE SOUTH | INTERIOR RENOVATION TO FLOOR 3 IN BUILDING.NO CHANGE IN OCCUPANCY, USE OR EGRESS. NO RENOVATION TO EXTERIOR ENVELOPE. | $328,700 |
| M00648531-I1-MS | 2022-01-14 | Mechanical / HVAC | 250 PARK AVENUE SOUTH | MODIFICATION TO AN EXISTING MECHANICAL SYSTEM. NO UNIT INSTALLATION OR REPLACEMENT. | $13,300 |
| M00538253-I1-MS | 2021-07-13 | Mechanical / HVAC | 55 WATER STREET | Mechanical modifications related to HVAC systems on SC2 (SL2), and 33-35 as indicated on attached plans. There is no change in egress, use occupancy. | $4,120,000 |
| M00537731-I1-GC | 2021-06-18 | General construction | 55 WATER STREET | Interior renovation, including construction of interior non bearing partitions, new ceilings, doors, hardware and finishes as indicated on attached plans. No change in occupancy, u | $9,000,000 |
| M00491815-I1-GC | 2021-05-17 | General construction | 55 WATER STREET | Installation of convenience stair & associated construction on part of 33rd, 34, & 35th floors. There is no change in use, egress or occupancy. | $600,000 |
| M00341395-I1-MS | 2020-09-18 | Mechanical / HVAC | 420 FIFTH AVENUE | FILING HEREWITH FOR MECHANICAL DUCT WORK AND INSTALLATION OF HVAC ON 4TH FLOOR OFFICE SPACE AS SHOWN ON PLANS. THERE WILL NO CHANGE OF USE, OCCUPANCY OR EGRESS UNDER THIS APPLICATI | $415,000 |
| M00361503-I1-MS | 2020-07-27 | Mechanical / HVAC | 325 HUDSON STREET | Mechanical changes on the 10th floor (Unispace - east side) as indicated on drawings. | $47,420 |
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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