COMPANY RECORD · CHICAGO, IL
Helm Mechanical — permit history in Chicago, IL
Helm Mechanical appears on 88 Chicago permit records from 2023 through 2026, all of them mechanical / hvac.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 88 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2023 | 25 |
| 2024 | 25 |
| 2025 | 26 |
| 2026 | 12 |
Busiest year on record: 2025, with 26 permits. One project can account for several filings, so read this as filing activity rather than workload.
Named on the same permit
| Name in source | Linked permits | Last seen |
|---|---|---|
| James Mchugh Construction Co | 22 | 2025-11-26 |
| Lo Destro Construction Company | 18 | 2026-01-07 |
| Power Construction Company, LLC | 10 | 2025-12-10 |
| Bulley & Andrews, L.L.C. | 9 | 2026-04-27 |
| Kr Tech Group,Inc. | 6 | 2026-02-26 |
| The Bowa Group Inc | 6 | 2026-03-31 |
| M. A. Mortenson Company | 4 | 2026-01-21 |
| Goebel Forming, Inc. | 4 | 2025-02-26 |
| All Masonry Const. Co. Inc | 4 | 2026-03-16 |
| Ujamaa Construction, Inc. | 4 | 2026-02-26 |
| Berglund Construction Company | 3 | 2025-09-02 |
| Tor Construction Company Inc. | 3 | 2026-02-26 |
33 companies are named alongside Helm Mechanical 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 |
|---|---|
| 675 N ST CLAIR ST | 2026-04-27 |
| 3348 N CAMPBELL AVE | 2026-04-21 |
| 1101 S CANAL ST | 2026-03-31 |
| 3737 W 99TH ST | 2026-03-17 |
| 10000 W OHARE ST | 2026-03-16 |
| 676 N ST CLAIR ST | 2026-03-12 |
| 1620 W HARRISON ST | 2026-03-06 |
| 5044 W CHICAGO AVE | 2026-02-26 |
| 1432 S CLINTON ST | 2026-01-21 |
| 710 N FAIRBANKS CT | 2026-01-07 |
| 5207 S HARPER AVE | 2025-12-10 |
| 2305 S STATE ST | 2025-11-26 |
| 1101 W VAN BUREN ST | 2025-10-02 |
| 325 N AUSTIN BLVD | 2025-09-02 |
40 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1 to $730,000,000, median $875,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
88 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101082434 | 2026-04-27 | Mechanical / HVAC | 675 N ST CLAIR ST | SELF-CERT 2019 CBRC: ***STRUCTURAL PEER REVIEW*** INTERIOR DEMOLITION OF EXISTING ECAM 8, STRESS BAYS AND NURSE STATION ON 8TH FLOOR OF GALTER PAVILION. WORK INCLUDES NEW SPECT CT | $1,200,000 |
| 101076730 | 2026-04-21 | Mechanical / HVAC | 3348 N CAMPBELL AVE | DDS 2019 CBC: ADDITION OF A 2-STORY ATHLETIC FACILITY TO EXISTING SCHOOL BUILDING TO BUILD INDOOR COMPETITION AND PRACTICE GYMNASIUMS WITH ASSOCIATED LOCKER ROOMS AND 25 ADDITIONAL | $30,000,000 |
| 101079257 | 2026-03-31 | Mechanical / HVAC | 1101 S CANAL ST | SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 2ND FLOOR MEDICAL OFFICE SPACE 201-202 IN EXISTING MIXED-USE BUILDING TO INCLUDE SELECTIVE DEMOLITION, NEW PARTITIONS, MECHANI | $3,535,000 |
| 101076652 | 2026-03-17 | Mechanical / HVAC | 3737 W 99TH ST | SPR 2019 SPR: FULL BUILDING PERMIT FOR NEW 1-STORY 2,225 SQFT CENTRAL UTILITY PLANT ADDITION TO EXISTING...BUILDING AND ASSOCAITED SITE WORK AS PER PLANS. INTERIOR MECHANICAL PIPIN | $20,000,000 |
| 101076890 | 2026-03-16 | Mechanical / HVAC | 10000 W OHARE ST | DDS 2019 CBC: FULL BUILDING PERMIT FOR THE CONFINED SPACES PORTIONS OF CONSOLIDATED TUNNEL BETWEEN FUTURE OHARE GLOBAL TERMINAL AND FUTURE SATELLITE 2 CONCOURSE BUILDINGS AT O'HARE | $220,000,000 |
| 101079858 | 2026-03-12 | Mechanical / HVAC | 676 N ST CLAIR ST | SELF CERT 2019 CBRC: REVISION TO PERMIT #101068979 DUE TO USING AND EXISTING IDF ROOM 7031 AND MODIFYING THE LAYOUT OF ELEC 730, SOLIED 731, TELE HEALTH 729, CLEAN 723, STORAGE 765 | $3,045,500 |
| 101076429 | 2026-03-06 | Mechanical / HVAC | 1620 W HARRISON ST | RENOVATE EXISTING 11TH FLOOR WORK ROOM 113377 TO CREATE NEW CT ROOM AND CONTROL ROOM. RENOVATE EXISTING CT ROOM 11338 TO CREATE NEW STAFF WORK ROOM. SCOPE OF WORK INCLUDES NEW FINI | $750,000 |
| 101068317 | 2026-02-26 | Mechanical / HVAC | 5044 W CHICAGO AVE | SELF-CERT 2019 CBC: REVISION TO PERMIT #101054047 TO REMOVE FIRST FLOOR CAFE SPACE AND CREATE A SHELL SPACE IN ITS PLACE. UPDATE TO ELEVATOR SHAFT WIDTH TO INCREASE BY 2 INCHES. ME | $475,000 |
| 101071590 | 2026-02-25 | Mechanical / HVAC | 10000 W OHARE ST | DDS 2019 CBC: FULL BUILDING PERMIT FOR THE SUPERSTRUCTURE, ENCLOSURE, AND INTERIOR FIT OUT OF SATELLITE 1 CONCOURSE TERMINAL BUILDING AT O'HARE INTERNATIONAL AIRPORT. CAISSONS ONLY | $730,000,000 |
| 101079311 | 2026-02-17 | Mechanical / HVAC | 676 N ST CLAIR ST | SELFCERT 2019 CBRC: REVISION TO PERMIT #101067527 TO INCLUDE AN ADDED TRANSFORMER AND NEW ELECTRICAL CLOSET ON THE 12TH FLOOR. STRUCTURAL PEER REVIEW INCLUDED. NO CHANGE TO EXISTI | $40,000 |
| 101074945 | 2026-01-21 | Mechanical / HVAC | 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 |
| 101075164 | 2026-01-07 | Mechanical / HVAC | 710 N FAIRBANKS CT | SELF-CERT CBRC. NORTHWESTERN MEMORIAL HEALTH CARE IS CONVERTING AN EXISTING MEDICAL OFFICE SPACE - APPROXIMATELY 600 SQUARE FEET - INTO A QUALITY ASSURANCE CELL THERAPY LABORATORY. | $200,000 |
| 101074782 | 2025-12-10 | Mechanical / HVAC | 5207 S HARPER AVE | SPR 2019 CBRC: REVISION TO PERMIT 101061096 ON LEVE 6 (ROOM 0696) IN AN EXISTING 13-STORY OFFICE BUILDING FOR NON-HAZARDOUS LAB SPACE TO ADD A NEW SINK, MODIFY ELECTRICAL SERVICE, | $1 |
| 101072150 | 2025-11-26 | Mechanical / HVAC | 2305 S STATE ST | DDS / 2019 CBC: FULL BUILDING PERMIT FOR THE NEW CONSTRUCTION OF A 13-STORY RESIDENTIAL BUILDING (80 TOTAL DWELLING UNITS; 60 DWELLING UNITS + 20 EFFICIENCY UNITS) TO INCLUDE GROU | $10,000,000 |
| 101074284 | 2025-10-02 | Mechanical / HVAC | 1101 W VAN BUREN ST | REVISION TO 10062042 TO REVISE TENANT SPACE'S UNDERGROUND AND FIRST FLOOR ELECTRICAL AND PLUMBING EQUIPMENT AND LAYOUT. (OCCUPANCY GROUPS R-2, M; CONSTRUCTION TYPE IA) | $220,000 |
| 101073723 | 2025-09-29 | Mechanical / HVAC | 5044 W CHICAGO AVE | SPR 2019 CBRC: REVISION TO PERMIT #101054047 REVISION TO MODIFY DEPTH OF STRUCTURAL FOUNDATIONS. (OCCUPANCY GROUP B, BUSINESS, TYPE IIA CONSTRUCTION)**CERTIFIED CORRECTIONS SUBJEC | $450,000 |
| 101068316 | 2025-09-16 | Mechanical / HVAC | 5207 S HARPER AVE | SPR / 2019 CBC: REVISION TO PERMIT 101061096 TO ADD FLAMABLE GAS CABINET (ACAR) TO ROOM 0682; AND ASSOCIATED MEP WORK ON THE 6TH FLOOR OF AN EXISTING 13-STORY OFFICE BUILDING AS PE | $1 |
| 101062375 | 2025-09-02 | Mechanical / HVAC | 325 N AUSTIN BLVD | DDS 2019 CBRC:RENOVATION OF EXISTING 5 STORIES R-2 OCCUPANCY INCLUDING 43 EXISTING SENIOR AFFORDABLE HOUSING UNITS WITH NO CHANGE. INCLUDES KITCHEN AND BATH REMODELING AND LIGHTING | $8,000,000 |
| 101062377 | 2025-09-02 | Mechanical / HVAC | 345 N AUSTIN BLVD | DDS 2019 CBRC: RENOVATION OF EXISTING 5 STORIES R-2 OCCUPANCY INCLUDING 51 EXISTING SENIOR AFFORDABLE HOUSING UNITS. INCLUDES KITCHEN AND BATH REMODELING AND LIGHTING REPLACEMENT A | $8,000,000 |
| 101068188 | 2025-08-06 | Mechanical / HVAC | 676 N ST CLAIR ST | SPR 2019 CBRC: INTERIOR BUILD-OUT OF AN IDF ROOM ON THE 7TH FLOOR. MECHANICAL, ELECTRICAL & PLUMBING WORK. (1A CONSTRUCTION. B-BUSINESS USE) | $6,350,000 |
| 101065166 | 2025-07-03 | Mechanical / HVAC | 1700 W 83RD ST | DDS: 2019 CBC: 2 STORY ADDITION TO AN EXISTING 3 STORY CHARTER SCHOOL ON SHALLOW FOUNDATIONS. THE ADDITION TO INCLUDE A GYMNASIUM, CLASSROOMS, AND SCHOOL LABS. 3 HR SEPARARTION BE | $6,000,000 |
| 101067441 | 2025-06-10 | Mechanical / HVAC | 676 N ST CLAIR ST | SPR 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 12TH FLOOR OFFICE SPACE - IDF ROOM. NO CHANGE TO EXISTING USE. (OCCUPANCY B / CONSTRUCTION TYPE 1A) | $30,000 |
| 101064710 | 2025-06-06 | Mechanical / HVAC | 676 N ST CLAIR ST | SELF-CERT 2019 CBRC: ***STRUCTURAL PEER REVIEW*** INTERIOR BUILD OUT OF DEMOLISHED EXISTING GROUND FLOOR RESTAURANT SPACE FOR FUTURE BUSINESS OCCUPANCY IMAGING SUITE (MEDICAL SERVI | $1,700,000 |
| 101066534 | 2025-05-29 | Mechanical / HVAC | 1901 W MADISON ST | DDS 2019 CBRC. RENOVATION OF THE EXISTING PENTHOUSE LEVEL AT THE UNITED CENTER. PROPOSED IMPROVEMENT WORK ENTAILS NEW NON-BEARING PARTITIONS, MILLWORK, CEILING SYSTEM WITH NEW LIGH | $8,000,000 |
| 101067527 | 2025-05-13 | Mechanical / HVAC | 676 N ST CLAIR ST | SELF-CERT 2019 CBRC: INTERIOR RENOVATION OF EXISTING 12TH FLOOR OFFICE SUITES AT ARKES PAVILION. STRUCTURAL PEER REVIEW INCLUDED. NO CHANGE TO EXISTING USE. (OCCUPANCY B / CONSTRUC | $8,250,000 |
| 101068979 | 2025-05-12 | Mechanical / HVAC | 676 N ST CLAIR ST | SELF CERT 2019 CBRC: INTERIOR ALTERATIONS TO 7TH FLOOR SUITE 701 OFFICE SPACE. WORK TO INCLUDE NEW NON-LOAD BEARING PARTITIONS, PLUMBING, ELECTRICAL AND MECHANICAL WORK AS PER PLAN | $3,045,500 |
| 101068149 | 2025-05-06 | Mechanical / HVAC | 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 |
| 101066942 | 2025-05-05 | Mechanical / HVAC | 676 N ST CLAIR ST | SPR 2019 CBC: REVISION TO PERMIT #101062212 TO ADD UNINTERRUPTED POWER SOURCE SYSTEM BACKUP TO LOWER LEVEL AND ADD OXYGEN MANIFOLD ROOM TO LEVEL 01, WITH RISER CONNECTION TO LEVEL | $10,000 |
| 101068033 | 2025-04-21 | Mechanical / HVAC | 251 E HURON ST | SELF-CERT 2019 CBRC: RENOVATION TO EXISTING GROUND FLOOR ENTRANCE VESTIBULE OF FEINBERG PAVILION, AN EXISTING HIGH RISE HOSPITAL WITH OFFICES BUILDING TO INCLUDE ASSOCIATED VENTILA | $1,523,581 |
| 101063390 | 2025-03-27 | Mechanical / HVAC | 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 |
| 101066532 | 2025-03-27 | Mechanical / HVAC | 4822 S COTTAGE GROVE AVE | SELF-CERT 2019 CBC: INITIAL BUILDOUT OF GROUND FLOOR UNFINISHED TENANT SPACE FOR A RETAIL RESTAURANT WITH SEATING, INCLUDING KITCHEN, DISHWASHING, WALK-IN COOLOR AND FREEZER, RESTR | $2,400,000 |
| 101066733 | 2025-03-24 | Mechanical / HVAC | 676 N ST CLAIR ST | INTERIOR ALTERATION OF 3,390 SF ON THE 21ST FLOOR OF AN EXISTING 24 STORY BUILDING. FOR USE AS A MEDICAL OFFICE BUILDING. CURRENT USE IS BUSINESS OCCUPANCY. PROPOSED USE IS BUSIN | $1,100,000 |
| 101054047 | 2025-03-14 | Mechanical / HVAC | 5044 W CHICAGO AVE | SELF-CERT: NEW CONSTRUCTION OF 25,369 SF. 3-STORY (NO BASEMENT) MIXED-USE BUILDING FOR MEDICAL SERVICE, OFFICE & LIMITED RESTAURANT USES W/ 25 UNENCLOSED ACCESSORY OFF-STREET PARKI | $13,000,000 |
| 101062250 | 2025-03-10 | Mechanical / HVAC | 737 N MICHIGAN AVE | SELF-CERT 2019 CBC: INTERIOR ALTERATION OF EXISTING 22ND FLOOR OFFICE SUITE 2200, 6,762 SQ FT. NO CHANGE TO GROUP B OCCUPANCY OR CONSTRUCTION TYPE I-A. | $3,000,000 |
| 101062283 | 2025-02-26 | Mechanical / HVAC | 1207 W TAYLOR ST | SELF-CERT 2019 CBRC: REVISION TO PERMIT 101011441 TO RECONFIGURE GROCERY TENANT SPACE TO WHITE BOX FINISHED GROCERY TENANT SPACE. ALTERATION OF TENANT SPACE'S MECHANICAL, ELECTRICA | $970,000 |
| 101061096 | 2025-02-18 | Mechanical / HVAC | 5207 S HARPER AVE | SPR 2019 CBC: INITIAL TENANT BUILDOUT ON LEVEL 6 OF AN EXISTING 13-STORY OFFICE BUILDING FOR NON-HAZARDOUS LAB SPACE TO INCLUDE NON-LOAD BEARING PARTITIONS AND ASSOCIATED MECHANICA | $18,221,650 |
| 101062212 | 2025-02-10 | Mechanical / HVAC | 676 N ST CLAIR ST | SPR 2019 CBC INTERIOR BUILDOUT TO 10TH FLOOR OF OUTPATIENT HEALTH CARE CLINIC BUILDING. WORK TO INCLUDE ARCHITECTURE, MEP WORK PER PLANS. IA CONSTRUCTION, B-BUSINESS | $8,500,000 |
| 101063825 | 2025-01-27 | Mechanical / HVAC | 251 E HURON ST | SELF-CERT 2019 CBRC: ***STRUCTURAL PEER REVIEW*** SELECTIVE DEMOLITION AND INTERIOR ALTERATIONS TO 1ST FLOOR AND MEZZANINE OF FEINBERG PAVILION TO INCLUDE MECHANICAL, ELECTRICAL AN | $2,040,345 |
| 101062042 | 2024-12-02 | Mechanical / HVAC | 1101 W VAN BUREN ST | SELF-CERT 2019 CBC: INITIAL TENANT BUILDOUT OF GROUND FLOOR RETAIL SPACE IN A 20-STORY MIXED USE BUILDING. SCOPE OF WORK INCLUDES BUILDING CONCRETE SLABS ON GRADE, ADDING BATHROOM | $228,250 |
| 101061567 | 2024-11-27 | Mechanical / HVAC | 676 N ST CLAIR ST | SELF-CERT 2019 CBRC: INTERIOR DEMOLITION TO EXISTING GROUND FLOOR RESTAURANT SPACE FOR FUTURE BUSINESS OCCUPANCY IMAGING SUITE AT NORTHWESTERN'S ARKES PAVILION. CONSTRUCTION TYPE I | $550,000 |
| 101049573 | 2024-10-01 | Mechanical / HVAC | 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 |
| 101058819 | 2024-09-27 | Mechanical / HVAC | 1901 W MADISON ST | SELF-CERT 2019 CBRC: REVISION TO PERMIT #101047603 TO REVISE ELECTRICAL ROOM E5-5-1 REVISED TO SHOW A 2-HR ENCLOSURE AND A 90 MIN ENTRY DOOR; EXISTING FEEDER TO THE LEVEL 1 STUDIO | $215,000 |
| 101059164 | 2024-09-16 | Mechanical / HVAC | 675 N ST CLAIR ST | SELF CERT 2019 CBC: INTERIOR ALTERATIONS TO EXISTING LOWER LEVEL AND GROUND FLOOR OF NMH GALTER BUILDING TREATMENT & CONTROL ROOM FOR NEW EQUIPMENT AS PER PLANS (OCCUPANCY B, TYPE | $950,000 |
| 101054994 | 2024-09-13 | Mechanical / HVAC | 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 |
| 101058433 | 2024-09-03 | Mechanical / HVAC | 251 E HURON ST | SELF-CERT 2019 CBRC - INTERIOR ALTERATIONS IN AN EXISTING HOSPITAL ON THE 1ST FLOOR OF THE EXISTING RADIOLOGY VIEWING ROOM (ROOM 1-706 & T-1184) FOR NEW NON-LOAD BEARING PARTITION | $300,000 |
| 101048325 | 2024-07-22 | Mechanical / HVAC | 1432 S CLINTON ST | (DIRECT DEVELOPER SERVICES / 2019 CBRC) REVISION TO PERMIT 101003044 FOR LAYOUT MODIFICATIONS ON LEVELS 2 AND 3 TO INCLUDE STRUCTURAL WORK IN AN EXISTING FOUR (4) STORY DATA CENTER | $209,300 |
| 101044670 | 2024-07-18 | Mechanical / HVAC | 1257 W ROOSEVELT RD | DDS 2019 CBC: REVISION TO PERMIT 100917080. ALTERATION TO GROUND FLOOR CONFIGURATION, INCLUDING NEW COMMON LAUNDRY ROOM, ENLARGED FITNESS ROOM, NEW GARAGE CORRIDOR EXIT, AND RELOCA | $80,000 |
| 101044672 | 2024-07-18 | Mechanical / HVAC | 1357 W ROOSEVELT RD | DDS 2019 CBC: REVISION TO PERMIT 100917083. ALTERATION TO GROUND FLOOR CONFIGURATION, INCLUDING NEW COMMON LAUNDRY ROOM, ENLARGED FITNESS ROOM, NEW GARAGE CORRIDOR EXIT, AND RELOCA | $80,000 |
| 101051176 | 2024-07-16 | Mechanical / HVAC | 680 N LAKE SHORE DR | (SPR 2019 CBRC) INTERIOR ALTERATIONS TO EXISTING FIRST FLOOR TENANT SPACE FOR NEW OUTPATIENT SURGICAL CENTER TO INCLUDE NATURAL GAS GENERATOR IN THE BASEMENT AND MECHANICAL EQUIPME | $10,197,930 |
| 101047603 | 2024-06-13 | Mechanical / HVAC | 1901 W MADISON ST | SELF-CERT 2019 CBRC: ***STRUCTURAL PEER REVIEW*** INTERIOR ALTERATIONS TO RENOVATE PORTION OF 5TH FLOOR TO ACCOMMODATE ADDITIONAL OFFICE SPACE AND TV CONTROL ROOMS. SCOPE INCLUDES | $2,900,000 |
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 →