COMPANY RECORD · CHICAGO, IL
Midwest Mechanical Group LLC — permit history in Chicago, IL
Midwest Mechanical Group LLC appears on 59 Chicago permit records from 2024 through 2026, most often general construction (89.8% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| General construction | 53 | 89.8% |
| Mechanical / HVAC | 6 | 10.2% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2024 | 25 |
| 2025 | 20 |
| 2026 | 14 |
Busiest year on record: 2024, with 25 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 |
|---|---|---|
| Richards & Weyers Const. | 2 | 2026-08-05 |
| Breaking Ground Contractors Inc | 1 | 2026-07-02 |
| George Gs And Sons LLC | 1 | 2025-10-30 |
| Helios Design Build, LLC | 1 | 2026-08-05 |
| J & E Duff, Inc. | 1 | 2026-01-16 |
| J&J Home Builders LLC | 1 | 2026-01-16 |
| Midwest Masonry, Inc. | 1 | 2026-07-02 |
| Norcon, Inc. | 1 | 2025-07-21 |
| Walsh Construction Company | 1 | 2025-12-02 |
9 companies are named alongside Midwest Mechanical Group LLC 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 |
|---|---|
| 2050 N HALSTED ST | 2026-08-19 |
| 1829 S STATE ST | 2026-08-05 |
| 2221 S STATE ST | 2026-07-16 |
| 711 W NORTH AVE | 2026-07-14 |
| 920 S CAMPBELL AVE | 2026-07-02 |
| 12350 S AVENUE O | 2026-06-22 |
| 1440 W HUBBARD ST | 2026-03-17 |
| 1715 W 47TH ST | 2026-03-05 |
| 940 W ADAMS ST | 2026-02-27 |
| 2707 N MILWAUKEE AVE | 2026-02-27 |
| 3115 N HARLEM AVE | 2026-02-27 |
| 4546 N KEDZIE AVE | 2026-02-26 |
| 4814 N CLARK ST | 2026-02-20 |
| 4100 W FILLMORE ST | 2026-01-16 |
56 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $14,516 to $17,500,000, median $112,775. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
59 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| B200479246 | 2026-08-19 | General construction | 2050 N HALSTED ST | DUCTWORK EXTENSION/RECONFIGURATION, GAS PIPING EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(TRANE, A5PG3036A, ROOFTOP) . ELECTRICAL | $19,850 |
| 101084250 | 2026-08-05 | Mechanical / HVAC | 1829 S STATE ST | DDS 2019 CBC: REVISION TO PERMIT 101040471 TO INCLUDE LIMITED SCOPE REDUCTION OF WALLS IN THE GATHERING AREA, CHANGE IN CONFIGURATION ON THE UPPER LEVEL AND MINOR ELECTRICAL CHANGE | $15,000 |
| B200470418 | 2026-07-16 | General construction | 2221 S STATE ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 ROOFTOP PACKAGED UNIT(CARRIER - 48K3GU26-1-5A0C6A0 - ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), | $124,600 |
| B200478411 | 2026-07-14 | General construction | 711 W NORTH AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER, 50FE-M16A3A5-0A0A0, ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 | $46,800 |
| 101081063 | 2026-07-02 | Mechanical / HVAC | 920 S CAMPBELL AVE | SPR 2019 CBRC: ALTERATIONS TO EXISTING COMMERCIAL LAUNDRY FACILITY WITH OFFICE AREA INCLUDING NEW FINISHES, M.E.P. SITE IMPROVEMENTS INCLUDING ALTERATIONS TO EXISTING PARKING LOT S | $17,500,000 |
| B200473255 | 2026-06-22 | General construction | 12350 S AVENUE O | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 MAKE UP AIR UNIT(RUPP M# RAM-36, S# S2203684-4) . ELECTRICAL WORK UNDER THIS PERMIT = YES . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 NON-RES | $97,836 |
| B200462343 | 2026-03-17 | General construction | 1440 W HUBBARD ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 CHILLER(CARRIER, 30RC-1826S-56-8-D, PARKING LOT) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 NON-RES | $249,790 |
| B200460592 | 2026-03-05 | General construction | 1715 W 47TH ST | REPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER 50FC-A06A2A5-0A0A0 (RTU-1), ROOFTOP) 2 ROOFTOP PACKAGED UNIT(CARRIER 50FE-A04A2A5-0A0A0 (RTU-2 & RTU-3), | $50,000 |
| 101077187 | 2026-02-27 | General construction | 940 W ADAMS ST | SPR 2019 CRBC: ROOFTOP HVAC REPLACEMENT WITH STRUCTURAL REINFORCEMENT (OCCUPANCY CLASS B; CONSTRUCTION TYPE IV) | $350,000 |
| B200460068 | 2026-02-27 | General construction | 2707 N MILWAUKEE AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 PACKAGED TERMINAL UNIT(LENNOX, LGH180H4BM2Y, KITCHEN) 1 PACKAGED TERMINAL UNIT(LENNOX, LGH048H4EH1Y, BREAKROOM) 1 PACKAGED TERMINAL U | $50,000 |
| B200457858 | 2026-02-27 | General construction | 3115 N HARLEM AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER, 30RC-055561---0-0, ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 | $132,500 |
| B200455493 | 2026-02-26 | General construction | 4546 N KEDZIE AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 PACKAGED TERMINAL UNIT(LENNOX, LGC150SH1Y, KITCHEN) 1 PACKAGED TERMINAL UNIT(LENNOX, LGA060SH2Y, KITCHEN) 1 PACKAGED TERMINAL UNIT(LE | $20,000 |
| B200457641 | 2026-02-20 | General construction | 4814 N CLARK ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 MAKE UP AIR UNIT(AAON, RN-013-3-0-GAAY-V0-21-000-A, ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), | $93,650 |
| 101075107 | 2026-01-16 | Mechanical / HVAC | 4100 W FILLMORE ST | SPR 2019 CBRC: REVISION TO PERMIT 101068648 TO RECONFIGURE LAYOUT, INCLUDING REMOVAL OF BUILDOUT OF CAFE, SHOW ROOM, TOILET ROOM, AND JANITOR'S CLOSET. RECONFIGURE MEP LAYOUT AND R | $1,133,794 |
| B200448625 | 2025-12-15 | General construction | 3939 S CALUMET AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 DUCT FURNACE(STERLING 400K, ROOFTOP) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 1 RESIDENTIAL UNIT(S), 1 NON-RESIDENTIAL UNI | $39,500 |
| B200451527 | 2025-12-05 | General construction | 3960 W 26TH ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(TRANE, YSK072A3S0H) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 NON-RESIDENTIA | $39,700 |
| 101074073 | 2025-12-02 | Mechanical / HVAC | 6300 N RIDGE AVE | SPR 2019 CBRC: 1-STORY ADDITION TO EXISTING 2 STORY BUILDING TO EXPAND THE EXISTING KITCHEN AND GIFT SHOP. WORK TO INCLUDE, NEW PARTITIONS, MECHANICAL, ELECTRICAL AND PLUMBING. NO | $2,207,294 |
| 101075217 | 2025-10-30 | Mechanical / HVAC | 4008 W 26TH ST | INTERIOR ALTERATIONS TO CONVERT DENTAL SPACE USE TO TEMPORARY PLS CHECK CASHING SPACE. TO BE USEDWHILE PERMIT #101068891 CONSTRUCTS PERMANENT SPACE AT 4000-04 W 26TH ST FOR PROPOSE | $65,000 |
| B200447743 | 2025-10-28 | General construction | 226 W SCHILLER ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER M#48TJF016 ON THE ROOF) 1 ROOFTOP PACKAGED UNIT(CARRIER M# 48TFE009--501 ON ROOF) 1 ROOFTOP PACKAGED U | $117,300 |
| B200443944 | 2025-10-23 | General construction | 4650 S RACINE AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER, 48V2UQ50A2-6B8C3S0, ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 | $208,640 |
| B200433592 | 2025-09-25 | General construction | 1255 N SANDBURG TER | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 CHILLER(CARRIER 30RC-030661-3-3) . ELECTRICAL WORK UNDER THIS PERMIT = YES . LOCATIONS: 0 RESIDENTIAL UNIT(S), 2 NON-RESIDENTIAL UNIT(S | $250,000 |
| B200435726 | 2025-09-05 | General construction | 1400 W FULLERTON AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER - 48QERM06A2M5-3A0A0) 2 ROOFTOP PACKAGED UNIT(CARRIER - 48QERM12A2M5-3A0A0) . ELECTRICAL WORK UNDER THIS | $141,142 |
| B200431315 | 2025-08-11 | General construction | 1350 S DAMEN AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 ROOFTOP PACKAGED UNIT(TRANE, RTU, ROOFTOP) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 2 NON-RESIDENTI | $325,215 |
| B200431885 | 2025-07-29 | General construction | 1535 N DAYTON ST | DUCTWORK EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER 48FEEM08A2A5-8U1C0 RTU-1) 1 ROOFTOP PACKAGED UNIT(CARRIER 48FEEM08A2 | $430,000 |
| 101067355 | 2025-07-21 | Mechanical / HVAC | 1 N STATE ST | SPR 2019 CBRC: INTERIOR ALTERATIONS TO THE HIGH SCHOOL LOCATED ON FLOOR 7 OF AN EXISTING 16 FLOOR BUILDING. ADDING TWO INTERIOR PARTITIONS TO DIVIDE EXISTING CLASSROOMS AND ADDING | $150,000 |
| B200432278 | 2025-07-09 | General construction | 558 W WEBSTER AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 MAKE UP AIR UNIT(ENGINEERED AIR MUA M# JX140 , ON ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 | $72,285 |
| B200426093 | 2025-06-16 | General construction | 3660 N LAKE SHORE DR | DUCTWORK EXTENSION/RECONFIGURATION, HYDRONIC PIPING EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 OTHER HEAT PUMP(DAIKIN, WSHP SMARTSOURCE, 2ND FLOOR) . | $80,950 |
| B200428425 | 2025-06-12 | General construction | 940 W ADAMS ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 CHILLER(YORK, M#YCUJ54E8, ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 2 NON-RESIDENTIAL UNIT(S), | $64,100 |
| B200414474 | 2025-05-12 | General construction | 1309 S ROCKWELL ST | DUCTWORK EXTENSION/RECONFIGURATION, GAS PIPING EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 3 SYSTEMS : 1 MAKE UP AIR UNIT(REZNOR RPBL400, ROOF) 3 UNIT HEATER(REZNOR, | $112,775 |
| B200413485 | 2025-05-02 | General construction | 6141 S ARCHER AVE | GAS PIPING EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER, 48FCEA05A2A5-0A0A0, ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = YE | $26,813 |
| B200420276 | 2025-04-15 | General construction | 124 W POLK ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 COOLING TOWER(CLOSED CIRCUIT COOLING TOWER, VF1-1012N-6D2AS-P1) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 2 RESIDENTIAL UNI | $50,000 |
| B200410311 | 2025-03-13 | General construction | 1849 W NORTH AVE | REPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 1 OTHER COOLING EQUIPMENT(DAIKIN, DX14XA0903, GROUND LEVEL, REAR OF BUILDING) 1 SPLIT SYSTEM(DAIKIN, CONDENSING UNIT: DX13XSA0241 COND | $14,516 |
| B200410506 | 2025-02-26 | General construction | 1313 N RITCHIE CT | DUCTWORK EXTENSION/RECONFIGURATION, HYDRONIC PIPING EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 1 SPLIT SYSTEM(RAUCC604BT03A0D000020) 1 SINGLE PACKAGE DX | $436,000 |
| B200407722 | 2025-01-15 | General construction | 1212 N LAKE SHORE DR | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 MAKE UP AIR UNIT(VTS, AVS230, 4TH & 37TH FLOOR MECH ROOMS) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), | $1,500,000 |
| B200406792 | 2024-12-11 | General construction | 875 N MICHIGAN AVE | HYDRONIC PIPING EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 3 HEAT EXCHANGER(DCH-02-S-30-5-4) . ELECTRICAL WORK UNDER THIS PERMIT = YES . LOCATIONS: 0 RES | $340,000 |
| B200028609 | 2024-11-04 | General construction | 215 W WASHINGTON ST | GAS PIPING EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(4848HJF015-0) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESID | $62,073 |
| B200398238 | 2024-10-22 | General construction | 4201 S PULASKI RD | REPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 1 SPLIT SYSTEM(YORK, CONDENSER: YD360C00A4AAA2, ROOF) 1 OTHER AIR HANDLING EQUIPMENT(YORK, AHU: ND360C00N6AAA1, INSIDE SPACE) . ELECTRIC | $126,000 |
| B200400786 | 2024-10-10 | General construction | 711 W NORTH AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER, TECECDSRT34CBDCDS, ROOF) 1 ROOFTOP PACKAGED UNIT(CARRIER, TECECDSRT05CBDCDS, ROOF) . ELECTRICAL WORK UN | $82,275 |
| B200028541 | 2024-10-09 | General construction | 4141 S PULASKI RD | REPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 1 SPLIT SYSTEM(YORK, AV25E1DP4EAAF3A13, ROOF) 1 EXHAUST FAN(LOREN COOK, ACRU-D, PAINT ROOM) . ELECTRICAL WORK UNDER THIS PERMIT = YES . | $145,000 |
| B200024981 | 2024-09-11 | General construction | 4645 W BELMONT AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 BOILER - HOT WATER(PVI HEATER, DURAWATT, BOILER ROOM) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 0 NO | $64,500 |
| B200024944 | 2024-08-29 | General construction | 1757 W FULLERTON AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 ROOFTOP PACKAGED UNIT(YORK, ZJ090N18R4A1AAA1A3, WEST SIDE OF ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL | $42,700 |
| B200023595 | 2024-08-15 | General construction | 5101 N KIMBALL AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER - 4TCC4042E1000A - ROOF) 1 ROOFTOP PACKAGED UNIT(TRANE - TSC060G3R0A**0001 - ROOF) 1 ROOFTOP PACKAGED U | $89,900 |
| B200020353 | 2024-06-28 | General construction | 1350 S DAMEN AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 ROOFTOP PACKAGED UNIT(TRANE YCH480C4K*2A3MF4A0C ROOFTOP TRANE YCH600C4K*2A4PF4A0C ROOFTOP) . ELECTRICAL WORK UNDER THIS PERMIT = NO . | $353,000 |
| B200008377 | 2024-05-26 | General construction | 111 W MAPLE ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER, 50FC-M12A2A6-0A0A0, ROOFTOP) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S) | $44,902 |
| B200015307 | 2024-05-15 | General construction | 250 E PEARSON ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(TRANE, ECC180A4E0A1DQY, ROOF) 1 ROOFTOP PACKAGED UNIT(TRANE, GBC060A4EMB0000, ROOF) . ELECTRICAL WORK UNDER THIS | $93,675 |
| B200013870 | 2024-05-09 | General construction | 6315 W 55TH ST | ELECTRICAL WORK UNDER THIS PERMIT = YES . LOCATIONS: 0 RESIDENTIAL UNIT(S), 2 NON-RESIDENTIAL UNIT(S), 1 INTERIOR COMMON AREAS, EXTERIOR WORK, ROOF AND CEILING OF FIRST FLOOR. | $117,000 |
| B200014938 | 2024-05-08 | General construction | 3062 E 91ST ST | DUCTWORK EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER MODEL #50AKD060-71604 ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = YES | $160,000 |
| B200014640 | 2024-04-29 | General construction | 1030 N STATE ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 MAKE UP AIR UNIT(DAIKIN, CAH062GDGM, 3RD FLOOR MECH ROOM) . ELECTRICAL WORK UNDER THIS PERMIT = YES . LOCATIONS: 0 RESIDENTIAL UNIT(S), | $377,782 |
| B200010037 | 2024-03-21 | General construction | 1629 S PRAIRIE AVE | NEW HEAT PUMP OR REFRIGERATION EQUIP., ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 NON-RESIDENTIAL UNIT(S), EXTERIOR WORK, ON THE ROOF. | $1,188,860 |
| B200010520 | 2024-03-14 | General construction | 1 W SUPERIOR ST | GAS PIPING EXTENSION/RECONFIGURATION, ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 2 NON-RESIDENTIAL UNIT(S), 2 INTERIOR COMMON AREAS, EXTERIOR WORK, | $42,000 |
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 →