COMPANY RECORD · CHICAGO, IL
Mechanical Inc DBA Helm Mechan — permit history in Chicago, IL
Mechanical Inc DBA Helm Mechan appears on 29 Chicago permit records from 2021 through 2026, all of them plumbing.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Plumbing | 29 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 4 |
| 2026 | 6 |
Busiest year on record: 2024, with 7 permits. One project can account for several filings, so read this as filing activity rather than workload.
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This page is a snapshot of Mechanical Inc DBA Helm Mechan. The search behind it holds more than 664,804 Chicago permits naming a contractor, since 2009: 427,556 electrical permits, 332,944 building permits, 134,935 plumbing permits, 103,067 mechanical (HVAC) permits, 28,213 signage permits.
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Named on the same permit
| Name in source | Linked permits | Last seen |
|---|---|---|
| Monson Nicholas, Inc. | 4 | 2022-08-24 |
| Pepper Construction Company | 4 | 2024-09-13 |
| James Mchugh Construction Co | 3 | 2025-05-06 |
| Conerte By Wagner | 2 | 2026-01-20 |
| Turner Construction Company | 2 | 2022-06-29 |
| Triumph Design Build Corporation | 2 | 2026-01-20 |
| Third Coast Builders Inc | 2 | 2024-08-01 |
| Power Construction Company, LLC | 2 | 2026-02-13 |
| Pepper Construction Co. | 2 | 2023-12-20 |
| Berglund Construction Company | 2 | 2026-07-06 |
| M. A. Mortenson Company | 2 | 2026-01-21 |
| M.Ward Contracting Corporation | 1 | 2021-05-19 |
27 companies are named alongside Mechanical Inc DBA Helm Mechan on the same Chicago 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 |
|---|---|
| 400 S LA SALLE ST | 2026-09-16 |
| 1700 W 83RD ST | 2026-07-06 |
| 111 S MICHIGAN AVE | 2026-05-20 |
| 2538 S WABASH AVE | 2026-02-13 |
| 1432 S CLINTON ST | 2026-01-21 |
| 1850 E 95TH ST | 2026-01-20 |
| 1650 E 95TH ST | 2025-11-26 |
| 10000 W OHARE ST | 2025-10-29 |
| 1901 W MADISON ST | 2025-05-06 |
| 3241 S MICHIGAN AVE | 2024-12-06 |
| 1801 W JACKSON BLVD | 2024-10-01 |
| 5700 S MARYLAND AVE | 2024-09-13 |
| 1911 W CHICAGO AVE | 2024-08-01 |
| 1520 W HARRISON ST | 2024-01-09 |
23 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1 to $151,112,046, median $3,300,000. 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 |
|---|---|---|
| Kone Elevator Company | 3 | 2017–2026 |
| Helm Mechanical | 3 | 2024–2026 |
| Smg Security Holding LLC | 3 | 2023–2026 |
| Ams Mechanical Systems, Inc. | 2 | 2016–2026 |
| Safway Atlantic, LLC | 2 | 2019–2026 |
| Tk Elevator | 2 | 2011–2026 |
| Premier Mechanical Inc | 2 | 2024–2026 |
| Power Construction Company, LLC | 2 | 2019–2026 |
Companies that also appear in Chicago permit records at addresses where Mechanical Inc DBA Helm Mechan 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 |
|---|---|---|---|---|---|
| 101084518 | 2026-09-16 | Plumbing | 400 S LA SALLE ST | PHASE 3 OF 3: INTERIOR ALTERATIONS TO EXISTING 7-STORY OFFICE BUILDING TO CONVERT TO A DATA CENTER. WORK TO INCLUDE NEW EQUIPMENT WITH ASSOCIATED MEP UPGRADES. PHASE 1 DEMOLITION O | $151,112,046 |
| 101077712 | 2026-07-06 | Plumbing | 1700 W 83RD ST | DDS: 2019 CBC: REVISION TO PERMIT 101065166 TO INCLUDE STRUCTURAL MODIFICATIONS, REMOVAL OF SCISSOR LIFT, MINOR LAYOUT CHANGES, FINISH UPDATES, WINDOW REPLACEMENT, AND ASSOCIATED M | $500,000 |
| 101081168 | 2026-05-20 | Plumbing | 111 S MICHIGAN AVE | DDS 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING RICE BUILDING AT THE ART INSTITUTE OF CHICAGO FOR THE NEW GRAINGER CENTER FOR CONSERVATION & SCIENCE BUILDOUT AS PER PLANS (OCCUPANC | $21,000,000 |
| 101074646 | 2026-02-13 | Plumbing | 2538 S WABASH AVE | DDS / 2019 CBRC: 2-STORY BUILDING ADDITION TO AN EXISTING 2-STORY BUILDING FOR NEW DATA CENTER, TO INCLUDE AT-GRADE PARKING LOT (29 PARKING SPACES) AND ASSOCIATED SITE WORK AS PER | $18,000,000 |
| 101074945 | 2026-01-21 | Plumbing | 1432 S CLINTON ST | DDS / 2019 CBRC: REVISION TO PERMIT 101063390 FOR MODIFICATIONS TO THE MECHANICAL SYSTEM (LIQUID COOLING SYSTEM ON LEVEL 2 OF AN EXISTING FOUR (4) STORY DATA CENTER AS PER PLANS.(O | $1,444,050 |
| 101065273 | 2026-01-20 | Plumbing | 1850 E 95TH ST | SPR 2019 CBC: NEW CONSTRUCTION OF A NEW 1 STORY WAREHOUSE BUILDING WITH ASSOCIATED SITE WORK INCLUDING PARKING AND FENCING ( OCCUPANCY F-1 CONSTRUCTION TYPE IIB).**CERTIFIED CORREC | $7,800,000 |
| 101065267 | 2025-11-26 | Plumbing | 1650 E 95TH ST | SPR 2019 CBRC: CONSTRUCT NEW 1 STORY ADDITION TO AN EXISTING 1 STORY WAREHOUSE BUILDING PER PLANS (USE GROUP F-1 CONSTRUCTION TYPE IIB). | $52,000,000 |
| 101071588 | 2025-10-29 | Plumbing | 10000 W OHARE ST | DDS 2019 CBC: SHALLOW FOUNDATIONS AND BELOW GRADE SUBSTRUCTURE PERMIT FOR BASEMENT LEVEL OF PROPOSED SATELLITE 1 CONCOURSE TERMINAL BUILDING AT O'HARE INTERNATIONAL AIRPORT. INCLUD | $100,000,000 |
| 101068149 | 2025-05-06 | Plumbing | 1901 W MADISON ST | SELF-CERT 2019 CBRC: INTERIOR RENOVATION TO OWNER SUITE L30 ON THE 2ND FLOOR OF EXISTING ARENA TO INCLUDE MECHANICAL, ELECTRICAL AND PLUMBING. CONSTRUCTION TYPE IA. | $1,420,000 |
| 101063390 | 2025-03-27 | Plumbing | 1432 S CLINTON ST | DDS / 2019 CBRC: INITIAL TENANT BUILD-OUT OF LEVEL 2 OF AN EXISTING FOUR (4) STORY DATA CENTER TO INCLUDE ELECTRICAL & MECHANICAL INFRASTRUCTURE ON LEVELS 1, 3 & 4 AS PER PLANS. ( | $20,668,090 |
| 101062685 | 2024-12-06 | Plumbing | 3241 S MICHIGAN AVE | SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS IN EXISTING BUILDING TO PARTIAL 2ND FLOOR OFFICE SPACE. NEW PARTITIONS, PLUMBING, VENTILATION AND ELETRICAL AS PER PLANS. (OCCUPANCY GROUP | $3,300,000 |
| 101049573 | 2024-10-01 | Plumbing | 1801 W JACKSON BLVD | DDS 2019 CBC: PROPOSED 2 STORY ADDITION TO THE EXISTING FIFTH THIRD ARENA. THE ADDITION WILL INCLUDE TWO HOCKEY RINKS SPECTATOR VIEWING AREAS AND LOCKER ROOMS.(OCCUPANCY GROUP A-4 | $65,903,934 |
| 101054994 | 2024-09-13 | Plumbing | 5700 S MARYLAND AVE | SELF-CERT 2019 CBC: INTERIOR ALTERATIONS TO RADIOLOGY AND PERIOP SPACES ON FLOOR 5 OF APPROXIMATELY 7,000 SQUARE FEET (OCCUPANCY: I-2 CONDITION 2; CONSTRUCTION TYPE: IA) - REVISION | $1,300,000 |
| 101048599 | 2024-08-01 | Plumbing | 1911 W CHICAGO AVE | SPR 2019 CBC INTERIOR BUILD-OUT OF A VACANT RETAIL TENANT SPACE IN AN EXISTING NON-SPRINKLED BUILDING. INTERIOR RENOVATIONS INCLUDE FINISHES, PLUMBING, AND ELECTRICAL WORK. NO MECH | $1 |
| 101043341 | 2024-07-17 | Plumbing | 1801 W JACKSON BLVD | DDS CBC 2019 FOUNDATION ONLY FOR A PROPOSED TWO STORY ADDITION TO THE EXISTING FIFTH THIRD ARENA. THE ADDITION WILL INCLUDE TWO HOCKEY RINKS, SPECTATOR VIEWING AREAS AND LOCKER ROO | $12,000,000 |
| 101045929 | 2024-05-10 | Plumbing | 5700 S MARYLAND AVE | SELF-CERT 2019 CBC: INTERIOR ALTERATIONS TO RADIOLOGY AND PERIOP SPACES ON FLOOR 5 OF APPROXIMATELY 7,000 SQUARE FEET. (OCCUPANCY: I-2 CONDITION 2; CONSTRUCTION TYPE: IA) | $2,260,000 |
| 101041262 | 2024-01-09 | Plumbing | 1520 W HARRISON ST | 2019 CBC: SELF-CERT: INTERIOR BUILDOUT OF A NEW STARBUCKS COFFEE. SCOPE TO INCLUDE: NEW INTERIOR PARTITIONS, EQUIPMENT, FIXTURES, & FINISHES. ALL SIGNAGE UNDER SEPARATE PERMIT AS P | $750,000 |
| B200001743 | 2023-12-20 | Plumbing | 1200 S JEAN BAPTISTE POINTE DUSABLE LAKE SHORE DR SB | REVISION TO PERMIT 100994422 TO INCORPORATE TWO APPROVED ACARS FOR FIRE RESISTIVE MATERIALS. | |
| B200002784 | 2023-12-13 | Plumbing | 1200 S LAKE SHORE DR | REVISION TO PERMIT #100994412.CHANGE OF PLUMBING CONTRACTOR. | |
| B200004016 | 2023-12-13 | Plumbing | 1200 S JEAN BAPTISTE POINTE DUSABLE LAKE SHORE DR | REVISION TO PERMIT #101029680.CHANGE OF PLUMBING CONTRACTOR | |
| B200002943 | 2023-12-13 | Plumbing | 1200 S LAKE SHORE DR | REVISION TO PERMIT#101030080 CHANGE PLUMBING CONTRACTOR | |
| 100994422 | 2023-10-25 | Plumbing | 1200 S LAKE SHORE DR | DDS 2019 CBRC & CBC: INTERIOR & EXTERIOR ALTERATIONS AT ALL 4 LEVELS OF THE EXISTING MUSEUM FOR A NEW SW ENTRY PAVILION AND NORTH TERRACE ADDITION WITH BASEMENT LEVEL ACCESS. WORK | $3,223,000 |
| 100985787 | 2022-08-24 | Plumbing | 124 W POLK ST | 45 SQ FT CONCRETE REPAIR WITH INSTALLATION OF FLOOR DRAIN IN COMPACTOR ROOM, AND INSTALL 3INCH DRAIN AND ALL ASSOCIATED PIPING FOR LOCATION OF UNDERGROUND ENTRY | $99,272 |
| 100972239 | 2022-08-02 | Plumbing | 2068 N MILWAUKEE AVE | SELF CERT 2019 CBRC: INTERIOR ALTERATIONS TO GROUND FLOOR, BASEMENT, AND SECOND FLOOR OF AN EXISTING RETAIL SPACE TO INCLUDE ONE NEW ACCESSIBLE RESTROOM, EXTERIOR STAIR, STAIR HAND | $60,000 |
| 100964013 | 2022-06-29 | Plumbing | 131 S DEARBORN ST | DDS 2019 CBRC: REVISION TO PERMIT 100907459 TO INCLUDE ALTERATIONS TO FLOORS 29-31. WORK TO INCLUDE MODIFICATIONS OF PRIVATE OFFICE SPACE TO OPEN OFFICE SETTING. UPDATES TO TOILET | $425,000 |
| 100956904 | 2022-02-08 | Plumbing | 1778 W PETERSON AVE | THE PROJECT CONSISTS OF A NEW COMMUTER RAIL STATION AND RELATED IMPROVEMENTS AND RELATED PARKING/DROP-OFF AREAS. LOCATED AT 1778 W. PETERSON AVE. CHICAGO, IL 60660. THIS IS AN UNMA | $14,203,000 |
| 100883560 | 2021-12-13 | Plumbing | 320 E SUPERIOR ST | NEW HOT WATER AND LOW PRESSURE BOILER PLANT IN NEW MECHANICAL PENTHOUSE ADDITION TO EXISTING NORTHWESTERN UNIVERSITY SEARLE MEDICAL RESEARCH BUILDING AS PER PLANS WITH DISTRIBUTION | $22,000,000 |
| 100907459 | 2021-06-08 | Plumbing | 131 S DEARBORN ST | *DIRECT DEVELOPER SERVICES* 2019 CBRC: INTERIOR ALTERATIONS TO OFFICE FLOORS 29-31. TO INCLUDE SELECT DEMOLITION OF INTERIOR WALLS AND RAISED FLOORS, TENANT OFFICE BUILD OUT AND FI | $49,800,000 |
| 100916412 | 2021-05-19 | Plumbing | 3270 N LAKE SHORE DR | 2019 CBRC STANDARD PLAN: CONCRETE REPAIRS AND MAINTENANCE TO 2 STORY PARKING GARAGE AS PER PLAN, NO CHANGE IN USE R2 S2, CONSTRUCTION TYPE 1B.**CERTIFIED CORRECTIONS SUBJECT TO FIE | $806,000 |
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 Chicago 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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