COMPANY RECORD · CHICAGO, IL
Midwest Mechanical — permit history in Chicago, IL
Midwest Mechanical appears on 138 Chicago permit records from 2006 through 2026, most often mechanical / hvac (99.3% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 138 | 99.3% |
| General construction | 1 | 0.72% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2006 | 10 |
| 2007 | 1 |
| 2008 | 1 |
| 2011 | 6 |
| 2012 | 3 |
| 2013 | 14 |
| 2014 | 8 |
| 2015 | 7 |
| 2016 | 5 |
| 2017 | 11 |
| 2018 | 5 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 21 |
| 2023 | 26 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 2 |
Busiest year on record: 2023, 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 |
|---|---|---|
| Walsh Construction Company II, LLC | 25 | 2024-09-10 |
| Walsh Construction Company | 18 | 2024-09-10 |
| Richards & Weyers Const. | 8 | 2020-03-23 |
| J&J Home Builders LLC | 6 | 2026-03-20 |
| United Contracting, Inc. | 5 | 2012-05-23 |
| J & E Duff, Inc. | 3 | 2025-07-30 |
| Abbey Paving | 2 | 2024-01-29 |
| Valenti Builders, Inc. | 2 | 2013-05-10 |
| Turner Construction Company | 1 | 2006-03-31 |
| W.B. Olson, Inc. | 1 | 2026-03-18 |
| Ward Contracting & Building | 1 | 2023-01-24 |
| Thompson Brothers Construction | 1 | 2011-10-26 |
36 companies are named alongside Midwest 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 |
|---|---|
| 1600 S KEDZIE AVE | 2026-03-20 |
| 920 S CAMPBELL AVE | 2026-03-18 |
| 4100 W FILLMORE ST | 2025-07-30 |
| 3935 W ROOSEVELT RD | 2024-11-12 |
| 6300 N RIDGE AVE | 2024-09-10 |
| 4144 W FILLMORE ST | 2024-01-29 |
| 651 W WASHINGTON BLVD | 2023-10-19 |
| 2800 W FULTON ST | 2023-10-18 |
| 600 N MICHIGAN AVE | 2023-10-17 |
| 4835 W ALTGELD ST | 2023-08-01 |
| 1500 N LAKE SHORE DR | 2023-07-31 |
| 908 W ARGYLE ST | 2023-06-01 |
| 1903 W THOME AVE | 2023-05-04 |
| 2230 N DOMINICK ST | 2023-05-03 |
103 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $10,000,000, median $0. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
138 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101079316 | 2026-03-20 | Mechanical / HVAC | 1600 S KEDZIE AVE | SC 2019 CBC: INTERIOR RENOVATION OF THE 1ST FLOOR AND BASEMENT IN EXISTING 3 STORY + BASEMENT MIXED USE BUILDING, NEW MECHANICAL, ELECTRICAL, AND PLUMBING SERVICE AND DISTRIBUTION. | $500,000 |
| 101077828 | 2026-03-18 | Mechanical / HVAC | 920 S CAMPBELL AVE | INTERIOR NONSTRUCTURAL DEMOLITION OF EXISTING 1 STORY LAUNDROMAT AND REMOVAL OF SELECT MEP, PER PLANS.(CONDITIONAL PERMIT SUBJECT TO FIELD INSPECTIONS) | $250,000 |
| 101068648 | 2025-07-30 | Mechanical / HVAC | 4100 W FILLMORE ST | SPR 2019 CBRC: TENANT BUILDOUT OF A COFFEE ROASTING SPACE IN EXISTING LEVEL 2 WHITE BOX TENANT SPACE WITHIN EXISTING 5 STORY BUILDING. PARTITIONS TO CREATE ROOMS, ASSOCIATED MEP. | $1,742,593 |
| 101050097 | 2024-11-12 | Mechanical / HVAC | 3935 W ROOSEVELT RD | SC 2019 CBC: PERMIT FOR 3-STORY MIXED-USE BUILDING WITH BASEMENT (ICE CREAM STORE FIRST FLOOR, RESIDENTIAL 2ND AND 3RD FLOORS W/2 UNITS); INCLUDING INTERIOR ALTERATIONS OF THE FIRS | $100,000 |
| 101053360 | 2024-09-10 | Mechanical / HVAC | 6300 N RIDGE AVE | SPR 2019 CBRC: 1-STORY ADDITION TO AN EXISTING 1-STORY BUILDING. CURRENT USE/OCCUPANCY OF EXISTING BUILDING IS A-3, AND THE PROPOSED USE/OCCUPANCY OF ADDITION IS ALSO A-3. CONSTR | $2,048,883 |
| 101056185 | 2024-08-29 | Mechanical / HVAC | 4100 W FILLMORE ST | SPR 2019 CBRC: TENANT BUILDOUT OF FLORIST OPERATIONS SPACE IN EXISTING WHITE BOX TENANT SPACE WITHIN EXISTING 5-STORY BUILDING. PARTITIONS TO CREATE ROOMS, ASSOCIATED WITHIN MEP IN | $674,549 |
| 101026638 | 2024-01-29 | Mechanical / HVAC | 4144 W FILLMORE ST | DDS 2019 CBC: ALERATIONS TO EXISTING SINGLE STORY BUILDING TO INLCUDE NEW DEMISING WALLS, MEP SYSTEMS UPGRADES AND EQUIPMENT INSTALLATION FOR INTENDED LAUNDRY SERVICE TENANT AS PER | $10,000,000 |
| 101026386 | 2024-01-29 | Mechanical / HVAC | 4100 W FILLMORE ST | DDS 2019 CBC: ALERATIONS TO EXISTING 5 STORY BUILDING TO IMPLEMENT WHITE BOX CONDITIONS ON ALL FLOORS AND INCLUDE NEW TENANT SEPARATIONS, FRONT ENTRANCE MODIFICATIONS AND MEP SYSTE | $10,000,000 |
| 101036050 | 2023-10-19 | Mechanical / HVAC | 651 W WASHINGTON BLVD | REPLACE THE EXISTING AIR COOLED CHILLER. FURNISH & INSTALL A NEW SMARDT 220 TON AIR COOLED CHILLER, SELF CONTAINED, R134A, LOCATED ON THE ROOF. WORK TO INCLUDE ALL PIPING AND ACCES | $0 |
| 101035759 | 2023-10-18 | Mechanical / HVAC | 2800 W FULTON ST | REPLACE THE EXISTING YORK 15 TON ROOFTOP UNIT WITH A NEW TRANE 15 TON ROOFTOP UNIT, SELF CONTAINED, AIR COOLED, R410A. | $0 |
| 101035766 | 2023-10-18 | Mechanical / HVAC | 2800 W FULTON ST | REPLACE (1) ROOF TOP UNIT. | $0 |
| 101035581 | 2023-10-17 | Mechanical / HVAC | 600 N MICHIGAN AVE | REPLACEMENT OF EXISTING 60 TON CONDENSING UNIT (CARRIER 30AH-064) WITH A NEW CONDENSING UNIT (CARRIER 38APD06064), REMOTE, AIR COOLED, R410A, LOCATED ON THE 4TH FLOOR ROOF. | $0 |
| 101026101 | 2023-08-01 | Mechanical / HVAC | 4835 W ALTGELD ST | DIRECT REPLACEMENT OF (2) 12 1/2 TON UNITS WITH (2) TRANE 12 1/2 TON UNITS, SELF CONTAINED, AIR COOLED, R410A. | $0 |
| 101025617 | 2023-07-31 | Mechanical / HVAC | 1500 N LAKE SHORE DR | REPLACE EXISTING WATER COOLED UNIT WITH ONE CARRIER 71/2 TON AIR COOLED UNIT, SELF CONTAINED, R410A, LOCATED IN THE MECHANICAL ROOM. | $0 |
| 101018935 | 2023-06-01 | Mechanical / HVAC | 908 W ARGYLE ST | INSTALL NEW LG 60 TON CHILLER, SELF CONTAINED, AIR COOLED, R410A, LOCATED AT GRADE. WORK TO INCLUDE ALL PIPING, PUMPS, AND ACCESSORIES. | $0 |
| 100952694 | 2023-05-04 | Mechanical / HVAC | 1903 W THOME AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS 1 OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES TO BE | $3,000,000 |
| 101015404 | 2023-05-03 | Mechanical / HVAC | 2230 N DOMINICK ST | REPLACEMENT OF (3) RTU'S WITH (3) CARRIER 12 1/2 TON RTU'S, SELF CONTAINED, AIR COOLED, R410A. | $0 |
| 100952689 | 2023-05-01 | Mechanical / HVAC | 1917 W THOME AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS 1 OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES TO BE | $3,000,000 |
| 101014029 | 2023-04-27 | Mechanical / HVAC | 810 W WASHINGTON BLVD | SELF-CERTIFICATION. INTERIOR BUILD OUT OF 1ST FLOOR OFFICE SPACE (NO WORK ON BSMT & 2ND FLOOR) INCLUDING MEP WORK AS PER PLANS FOR EXISTING OFFICE USE 2 STORY BRICK BUILDING (IV-A | $425,000 |
| 101010188 | 2023-03-27 | Mechanical / HVAC | 360 W ILLINOIS ST | REPLACE (1) MAKE UP AIR UNIT. | $0 |
| 101010193 | 2023-03-23 | Mechanical / HVAC | 3349 N HALSTED ST | REPLACE FIVE EXISTING ROOFTOP UNITS WITH FIVE YORK ROOFTOP UNITS, ONE 2 TON, THREE 5 TON, ONE 15 TON, SELF CONTAINED, AIR COOLED, R410A. | $0 |
| 101010130 | 2023-03-23 | Mechanical / HVAC | 3349 N HALSTED ST | REPLACE (5) ROOF TOP UNITS. | $0 |
| 101009931 | 2023-03-22 | Mechanical / HVAC | 360 W ILLINOIS ST | DIRECT REPLACEMENT OF ONE EXISTING HALLWAY MAKE UP AIR UNIT. NEW UNIT ONE DAIKIN 52 TON, SELF CONTAINED, AIR COOLED, R410A, LOCATED ON THE ROOF. | $0 |
| 101007640 | 2023-03-08 | Mechanical / HVAC | 600 N MICHIGAN AVE | REPLACEMENT OF 115 TON RTU (TRANE SEHGD124) WITH A NEW 50 TON RTU (TRANE SEHMF504), SELF CONTAINED, AIR COOLED, R410A, LOCATED ON THE 4TH FLOOR ROOF. | $0 |
| 100994452 | 2023-02-24 | Mechanical / HVAC | 6219 N WINCHESTER AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS 1 OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES TO BE | $3,000,000 |
| 100994450 | 2023-02-24 | Mechanical / HVAC | 6221 N WINCHESTER AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS 1 OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES TO BE | $3,000,000 |
| 100994457 | 2023-02-24 | Mechanical / HVAC | 6217 N WINCHESTER AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS 1 OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES TO BE | $3,000,000 |
| 100994441 | 2023-02-24 | Mechanical / HVAC | 1849 W THOME AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS 1 OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES TO BE | $3,000,000 |
| 100994436 | 2023-02-24 | Mechanical / HVAC | 6223 N WINCHESTER AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS 1 OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES TO BE | $3,000,000 |
| 100994459 | 2023-02-24 | Mechanical / HVAC | 6215 N WINCHESTER AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS 1 OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES TO BE | $3,000,000 |
| 101005201 | 2023-02-10 | Mechanical / HVAC | 6665 N NORTHWEST HWY | REPLACE (3) ROOF TOP UNITS. | $0 |
| 101004902 | 2023-02-08 | Mechanical / HVAC | 6665 N NORTHWEST HWY | REPLACE THREE EXISTING ROOFTOP UNITS WITH THREE CARRIER ROOFTOP UNITS, TWO 7 1/2 TON, ONE 5 TON, SELF CONTAINED, AIR COOLED, R410A. | $0 |
| 101004328 | 2023-02-02 | Mechanical / HVAC | 233 E 13TH ST | DIRECT REPLACEMEMNT OF 2-EXISTING CHILLERS WITH 2-CARRIER 290 TON CHILLERS, SELF CONTAINED, AIR COOLED, R134A, LOCATED ON THE ROOF. | $0 |
| 100980374 | 2023-01-24 | Mechanical / HVAC | 1351 W EVERGREEN AVE | SPR 2019 CBRC: INTERIOR ALTERATIONS ON LOWER LEVEL OF EXISTING CHURCH (RELIGIOUS ASSEMBLY) TO INCLUDE STRUCTURAL, MECHANICAL, ELECTRICAL AND PLUMBING WORK. WORK INCLUDES REMOVAL AN | $970,000 |
| 100998061 | 2022-12-01 | Mechanical / HVAC | 3333 W 26TH ST | EXACT REPLACEMENT OF THREE EXISTING ROOFTOP UNITS WITH THREE TRANE ROOFTOP UNITS, ONE 12 1/2 TON, ONE 5 TON, ONE 3 TON, SELF CONTAINED, AIR COOLED, R410A. | $0 |
| 100996553 | 2022-11-15 | Mechanical / HVAC | 1230 W LAKE ST | REPLACE TWO CARRIER 7 1/2 TON ROOFTOP UNITS WITH TWO NEW CARRIER 7 1/2 TON ROOFTOP UNITS, SELF CONTAINED, AIR COOLED, R410A. | $0 |
| 100993758 | 2022-10-24 | Mechanical / HVAC | 330 W WEBSTER AVE | DIRECT REPLACEMENT OF ONE EXISTING CHILLER WITH ONE CARRIER 20 TON CHILLER, SELF CONTAINED, AIR COOLED, R410A, LOCATED ON THE ROOF. | $0 |
| 100952700 | 2022-09-19 | Mechanical / HVAC | 1851 W THOME AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS THE 7TH OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES | $3,000,000 |
| 100952675 | 2022-09-19 | Mechanical / HVAC | 6231 N WINCHESTER AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS THE 2ND OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES | $3,000,000 |
| 100952702 | 2022-09-19 | Mechanical / HVAC | 6225 N WINCHESTER AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS THE 8TH OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES | $3,000,000 |
| 100952683 | 2022-09-19 | Mechanical / HVAC | 6235 N WINCHESTER AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS THE 3RD OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES | $3,000,000 |
| 100952698 | 2022-09-19 | Mechanical / HVAC | 6227 N WINCHESTER AVE | BUILDING #6 - HOUSE TYPE 'A'- NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES TO BE USED AS INTERMEDIATE CARE FACILITY FOR DEVELOPMENTALLY DISABLED. 2-STORY W/ PARTIAL BASEMENT/PARTIA | $3,000,000 |
| 100939957 | 2022-09-19 | Mechanical / HVAC | 6229 N WINCHESTER AVE | MISERICORDIA ROSEMARY PARK - PD 253: THIS IS THE 1ST OF 16 NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES TO BE USED AS INTERMEDIATE CARE FACILITIES FOR THE DEVELOPMENTALLY DISABLED. | $2,500,000 |
| 100952706 | 2022-09-19 | Mechanical / HVAC | 1847 W THOME AVE | SPR 2019 CBC: NEW CONSTRUCTION: MISERICORDIA ROSEMARY PARK - PART OF PD 253: THIS IS THE 10TH OF 16 TOTAL (10 IN PHASE I, 6 IN PHASE II) NEW DETACHED SINGLE-DWELLING UNIT RESIDENCE | $3,000,000 |
| 100952704 | 2022-09-19 | Mechanical / HVAC | 1845 W THOME AVE | BUILDING #9 - HOUSE TYPE 'A' - NEW DETACHED SINGLE-DWELLING UNIT RESIDENCES TO BE USED AS INTERMEDIATE CARE FACILITY FOR DEVELOPMENTALLY DISABLED. 2-STORY W/ FULL BASEMENT (RES. B | $3,000,000 |
| 100980566 | 2022-07-19 | Mechanical / HVAC | 5200 S ELLIS AVE | DIRECT REPLACEMENT ON (2) EXISTING MAKE UP AIR UNITS WITH (2) DAIKIN 20 TON MAKE UP AIR UNITS, SELF CONTAINED, AIR COOLED, R410A, LOCATED ON THE ROOF. | $0 |
| 100979625 | 2022-07-12 | Mechanical / HVAC | 2307 W WOLFRAM ST | REPLACEMENT QTY.(4) EXISTING 4 TON YORK ROOFTOP UNITS(MODEL NUMBER:D1NA048N11025C) WITH QTY.(4) NEW YORK ROOFTOP UNITS (MODEL NUMBER:PCG4B481253X4) SELF CONTAINED, AIR COOLED, R410 | $0 |
| 100979449 | 2022-07-11 | Mechanical / HVAC | 2307 W WOLFRAM ST | REPLACE (4) ROOF TOP UNITS. | $0 |
| 100975787 | 2022-06-13 | Mechanical / HVAC | 810 W WASHINGTON BLVD | REPLACE (1) ROOF TOP UNIT. | $0 |
| 100975809 | 2022-06-13 | Mechanical / HVAC | 810 W WASHINGTON BLVD | REPLACE ONE ROOFTOP UNIT WITH ONE, 15 TON, AIR COOLED, SELF-CONTAINED, CARRIER ROOFTOP UNIT, SERVING THE SECOND FLOOR OFFICE SPACE. | $0 |
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 →