COMPANY RECORD · CHICAGO, IL
Cortex Construction Group Ltd — permit history in Chicago, IL
Cortex Construction Group Ltd appears on 157 Chicago permit records from 2021 through 2026, all of them general construction.
Permit categories
| Category | Permits | Share |
|---|---|---|
| General construction | 157 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 23 |
| 2024 | 20 |
| 2025 | 45 |
| 2026 | 61 |
Busiest year on record: 2026, with 61 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 Cortex Construction Group Ltd. 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 |
|---|---|---|
| Metropolitan Plumbing & Mechan | 15 | 2026-09-25 |
| Battaglia Industries, Inc. | 7 | 2025-12-05 |
| Midtown Mech. Corp | 6 | 2026-07-14 |
| Dcs Mechanical, Inc. | 5 | 2025-06-05 |
| Blue Line Electrical Contracto | 5 | 2025-09-18 |
| As Mechanical Corp | 5 | 2026-09-25 |
| Tomis Electric | 5 | 2026-09-25 |
| Origins Electric Inc | 4 | 2026-07-14 |
| I & D Plumbing Inc | 4 | 2024-08-22 |
| Vjj Plumbing | 3 | 2026-10-13 |
| Bt4 Plumbing LLC | 3 | 2024-11-18 |
| Dc Heating And Air Conditionin | 3 | 2026-10-13 |
62 companies are named alongside Cortex Construction Group Ltd 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 |
|---|---|
| 3040 W MEDILL AVE | 2026-10-14 |
| 4512 S LEAMINGTON AVE | 2026-10-14 |
| 1124 W WILSON AVE | 2026-10-13 |
| 445 E 42ND PL | 2026-10-13 |
| 2754 S SPRINGFIELD AVE | 2026-10-12 |
| 2246 S AVERS AVE | 2026-10-01 |
| 2619 S AVERS AVE | 2026-09-30 |
| 6246 N PULASKI RD | 2026-09-25 |
| 8733 S COMMERCIAL AVE | 2026-09-23 |
| 5719 S WINCHESTER AVE | 2026-09-23 |
| 2438 S DRAKE AVE | 2026-09-22 |
| 6811 S LOOMIS BLVD | 2026-09-22 |
| 2300 S ST LOUIS AVE | 2026-09-21 |
| 7433 N CLAREMONT AVE | 2026-09-17 |
137 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $100 to $9,652,000, median $29,527. 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 |
|---|---|---|
| Amero Building Restoration | 19 | 2022–2026 |
| Metropolitan Plumbing & Mechan | 16 | 2020–2026 |
| Midtown Mech. Corp | 6 | 2024–2026 |
| Battaglia Industries, Inc. | 6 | 2022–2026 |
| Tomis Electric | 5 | 2022–2026 |
| Blue Line Electrical Contracto | 5 | 2023–2025 |
| As Mechanical Corp | 4 | 2024–2026 |
| Apex Construction Group | 4 | 2020–2026 |
Companies that also appear in Chicago permit records at addresses where Cortex Construction Group Ltd 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
157 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101075776 | 2026-10-14 | General construction | 3040 W MEDILL AVE | SPR 2019 CRBC INTERNAL RENOVATIONS TO CONVERT EXISTING 3 STORY/3 UNIT RESIDENCE W/BASEMENT TO 4 UNITS, (USE GROUP R-2) PER ADU ORDINANCE, PILOT AREA NORTHWEST WITH M.E.P. WORK AND | $150,000 |
| B200515933 | 2026-10-14 | General construction | 4512 S LEAMINGTON AVE | TUCKPOINTING AND UNIT MASONRY REPAIR / REPLACEMENT: 25 SQ. FT., LINTEL QTY. 0, MAX. LENGTH 0. CONCRETE MASONRY REPAIR / REPLACEMNT: 90SQ. FT., EXCAVATION = NO. LOCATION: EXTERIOR F | $33,219 |
| B200514695 | 2026-10-13 | General construction | 1124 W WILSON AVE | TUCKPOINTING AND UNIT MASONRY REPAIR / REPLACEMENT: 1150 SQ. FT., LINTEL QTY. 0, MAX. LENGTH 0. CONCRETE MASONRY REPAIR / REPLACEMNT: 10SQ. FT., EXCAVATION = NO. LOCATION: NORTH AN | $25,980 |
| 101084924 | 2026-10-13 | General construction | 445 E 42ND PL | 2019 CBC - ERECTION OF NEW 3-STORY APARTMENT BUILDING- ADDRESS 445 E. 42ND PL. CONSISTING OF TOTAL 3 DU [GROUND FLOOR IS A TYPE A DWELLING UNIT] AND AND 1 DETACHED GARAGE FOR 1 ACC | $1,200,000 |
| B200481453 | 2026-10-12 | General construction | 2754 S SPRINGFIELD AVE | SCOPE: ROOF REPLACEMENT. AREA: 1200 SQ. FT.ROOF COVERING: OTHER.LOCATION: FLAT ROOF WORK.IL ROOFING CONTRACTOR LICENSE: 104019777. | $23,003 |
| B200514160 | 2026-10-01 | General construction | 2246 S AVERS AVE | CONCRETE MASONRY REPAIR / REPLACEMNT: 85SQ. FT., EXCAVATION = NO. LOCATION: CONCRETE SIDEWALK. | $9,105 |
| B200514158 | 2026-10-01 | General construction | 2246 S AVERS AVE | SCOPE: ROOF REPLACEMENT. AREA: 1400 SQ. FT. ROOF COVERING: ASPHALT SHINGLES. LOCATION: SHINGLE ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $32,158 |
| B200513959 | 2026-09-30 | General construction | 2619 S AVERS AVE | SCOPE: ROOF REPLACEMENT. AREA: 1500 SQ. FT. ROOF COVERING: ASPHALT SHINGLES. LOCATION: SHINGLE ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $39,537 |
| 101075396 | 2026-09-25 | General construction | 6246 N PULASKI RD | SPR 2019 CBRC. INTERIOR BUILD-OUT FOR A NEW DAYCARE CENTER ON THE GROUND FLOOR LEVEL WHICH WILL INCLUDE FOUR NEW BIKE SPOTS AND TWO DROP OFF AUTOMOBILE PARKING SPACES, AS PER PLANS | $220,000 |
| B200511343 | 2026-09-23 | General construction | 8733 S COMMERCIAL AVE | FULL REBUILD (SAME AS EXISTING) FOR WOOD PORCH (OPEN) (QUANTITY: 1, LOCATION: SOUTH SIDE OF BUILDING). LANDING: 282 SQUARE FEET. | $39,351 |
| B200512925 | 2026-09-23 | General construction | 5719 S WINCHESTER AVE | SCOPE: ROOF REPLACEMENT. AREA: 1600 SQ. FT. ROOF COVERING: ASPHALT SHINGLES. LOCATION: MAIN ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $29,334 |
| 101088156 | 2026-09-22 | General construction | 2438 S DRAKE AVE | REMOVE EXISTING ENCLOSED DECK AND CONSTRUCT NEW COVERED, OPEN-AIR DECK IN SAME GENERAL LOCATION. | $39,585 |
| B200512816 | 2026-09-22 | General construction | 6811 S LOOMIS BLVD | CONCRETE MASONRY REPAIR / REPLACEMNT: 85SQ. FT., EXCAVATION = NO. LOCATION: CONCRETE SIDEWALK. | $21,284 |
| B200512581 | 2026-09-21 | General construction | 2300 S ST LOUIS AVE | SCOPE: ROOF REPLACEMENT. AREA: 2800 SQ. FT. ROOF COVERING: ASPHALT SHINGLES. LOCATION: SHINGLE ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $39,305 |
| B200512189 | 2026-09-17 | General construction | 7433 N CLAREMONT AVE | TUCKPOINTING AND UNIT MASONRY REPAIR / REPLACEMENT: 420 SQ. FT., LINTEL QTY. 0, MAX. LENGTH 0. LOCATION: PARAPET WALLS & SOUTH, EAST, AND NORTH ELEVATIONS. | $16,272 |
| B200512147 | 2026-09-17 | General construction | 7242 S HAMLIN AVE | CONCRETE MASONRY REPAIR / REPLACEMNT: 90SQ. FT., EXCAVATION = NO. LOCATION: FRONT HOME CONCRETE PORCH. | $38,097 |
| 101085473 | 2026-09-11 | General construction | 549 W RANDOLPH ST | SPR 2019 CBRC: CONSTRUCTION OF NEW CMU WALL ALONG BASEMENT VAULT - ALL WORK ON PRIVATE PROPERTY. RELOCATED FIRE PUMP INCLUDED ON PERMIT #101081154. (OCCUPANCY B / CONSTRUCTION TYPE | $25,000 |
| B200511188 | 2026-09-10 | General construction | 3610 W LEXINGTON ST | CONCRETE MASONRY REPAIR / REPLACEMNT: 85SQ. FT., EXCAVATION = NO. LOCATION: FRONT OF HOME CONCRETE PORCH. | $39,665 |
| 101085990 | 2026-09-03 | General construction | 11537 S LA SALLE ST | SPR 2019 CBRC: CURRENT USE OCCUPANCY CLASSIFICATION: RS-3. PROPOSED USE OCCUPANCY CLASSIFICATION: RS-3. REMOVE THE EXISTING ENCLOSED DECK AND REPLACE IT WITH A NEW WOOD DECK WITH A | $39,000 |
| B200508908 | 2026-08-26 | General construction | 2737 W 18TH ST | TUCKPOINTING AND UNIT MASONRY REPAIR / REPLACEMENT: 120 SQ. FT., LINTEL QTY. 0, MAX. LENGTH 0. PARAPET REBUILDING: 20 SQ. FT. LOCATION: EXTERIOR WORK. | $9,768 |
| B200508902 | 2026-08-26 | General construction | 2737 W 18TH ST | SCOPE: ROOF REPLACEMENT. AREA: 1800 SQ. FT. ROOF COVERING: OTHER. LOCATION: FLAT ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $30,057 |
| B200481457 | 2026-08-17 | General construction | 1919 W GARFIELD BLVD | TUCKPOINTING AND UNIT MASONRY REPAIR / REPLACEMENT: 50 SQ. FT., LINTEL QTY. 0, MAX. LENGTH 0. PARAPET REBUILDING: 30 SQ. FT. LOCATION: FRONT PORCH + PARAPET WALL. | $9,811 |
| B200481462 | 2026-08-17 | General construction | 1919 W GARFIELD BLVD | SCOPE: ROOF REPLACEMENT. AREA: 2000 SQ. FT. ROOF COVERING: OTHER. LOCATION: FLAT ROOF WORK. IL ROOFING CONTRACTOR LICENSE: 104019777. | $29,248 |
| B200481367 | 2026-08-04 | General construction | 3820 W GRENSHAW ST | TUCKPOINTING AND UNIT MASONRY REPAIR / REPLACEMENT: 88 SQ. FT., LINTEL QTY. 0, MAX. LENGTH 0. PARAPET REBUILDING: 38 SQ. FT. LOCATION: PARAPET WALL AND CHIMNEY. | $13,730 |
| B200481454 | 2026-08-04 | General construction | 2754 S SPRINGFIELD AVE | PARAPET REBUILDING: 40 SQ. FT. LOCATION: PARAPET WALL. | $16,697 |
| B200481076 | 2026-08-01 | General construction | 3820 W GRENSHAW ST | SCOPE: ROOF REPLACEMENT. AREA: 1000 SQ. FT. ROOF COVERING: BUILT-UP ROOF. LOCATION: MAIN ROOF AND REAR STORAGE ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $21,785 |
| B200480403 | 2026-07-30 | General construction | 2240 S KEDZIE AVE | FULL REBUILD (SAME AS EXISTING) FOR WOOD PORCH (OPEN) (QUANTITY: 1, LOCATION: FRONT OF BUILDING). LANDING: 66 SQUARE FEET. | $38,907 |
| B200480406 | 2026-07-30 | General construction | 1321 S AVERS AVE | FULL REBUILD (SAME AS EXISTING) FOR WOOD PORCH (OPEN) (QUANTITY: 1, LOCATION: REAR OF BUILDING). | $39,031 |
| B200479720 | 2026-07-28 | General construction | 3320 W 55TH ST | TUCKPOINTING AND UNIT MASONRY REPAIR / REPLACEMENT: 192 SQ. FT., LINTEL QTY. 0, MAX. LENGTH 0. LOCATION: FRONT FACADE ON 55TH. | $10,000 |
| 101076375 | 2026-07-27 | General construction | 3650 W DICKENS AVE | SPR 2019 CBC. INTERIOR AND EXTERIOR ALTERATIONS FOR THE 2-1/2 STORY TYPE VA FRAME 2 DU EXISTING TYPE VA BUILDING WITH BASEMENT INCLUDES MEP WORK, SIDING, ROOF REPAIRS AND NEW FRONT | $275,000 |
| 101082424 | 2026-07-14 | General construction | 1439 S SPAULDING AVE | SPR 2019 CBC: FULL BUILDING PERMIT FOR 3 STORY, 3 DWELLING UNIT BUILDING WITH 3 ON-SITE PARKING SPACES AND A 2-STORY REAR WOOD PORCH, NEW 6'-0" WOOD FENCE & 5'-0" IRON WROUGHT FEN | $400,000 |
| B200478523 | 2026-07-13 | General construction | 5105 S LOCKWOOD AVE | SCOPE: ROOF REPLACEMENT. AREA: 1700 SQ. FT. ROOF COVERING: ASPHALT SHINGLES. LOCATION: MAIN ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $26,316 |
| 101083498 | 2026-07-01 | General construction | 1604 S FAIRFIELD AVE | SELF-CERT 2019 CBC: FULL BUILDING PERMIT FOR 3 STORY 6 D.U. BUILDING WITH BASEMENT, 3 EXTERIOR PARKING SPACES ON CONCRETE PAD, 5' HIGH WOOD FENCE, , ENTIRE BUILDING SPRINKLERED AS | $998,890 |
| B200475933 | 2026-06-24 | General construction | 1131 S TROY ST | PARAPET REBUILDING: 92 SQ. FT. LOCATION: PARAPET WALLS. | $17,046 |
| B200473848 | 2026-06-24 | General construction | 4441 W AINSLIE ST | FULL REBUILD (SAME AS EXISTING) FOR WOOD PORCH (OPEN) (QUANTITY: 1, LOCATION: REAR OF BUILDING). CONCRETE WORK. | $26,823 |
| 101082438 | 2026-06-24 | General construction | 1443 S SPAULDING AVE | SPR 2019 CBRC: FULL BUILDING PERMIT FOR 3 STORY, 3 DWELLING UNIT BUILDING WITH 3 ON-SITE PARKING SPACES AND A 2-STORY REAR WOOD PORCH, NEW 6'-0" WOOD FENCE & 5'-0" IRON WROUGHT FE | $400,000 |
| 101082429 | 2026-06-24 | General construction | 1441 S SPAULDING AVE | SPR 2019 CBRC: FULL BUILDING PERMIT FOR 3 STORY, 3 DWELLING UNIT BUILDING WITH 3 ON-SITE PARKING SPACES AND A 2-STORY REAR WOOD PORCH, NEW 6'-0" WOOD FENCE & 5'-0" IRON WROUGHT FE | $400,000 |
| B200475925 | 2026-06-23 | General construction | 1131 S TROY ST | SCOPE: ROOF REPLACEMENT. AREA: 1100 SQ. FT. ROOF COVERING: BUILT-UP ROOF. LOCATION: MAIN ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $19,742 |
| B200475906 | 2026-06-23 | General construction | 3835 W 55TH PL | SCOPE: ROOF REPLACEMENT. AREA: 1100 SQ. FT. ROOF COVERING: ASPHALT SHINGLES. LOCATION: MAIN ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $30,922 |
| B200475953 | 2026-06-23 | General construction | 5613 S CAMPBELL AVE | SCOPE: ROOF REPLACEMENT. AREA: 2300 SQ. FT. ROOF COVERING: ASPHALT SHINGLES. LOCATION: MAIN ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $33,203 |
| B200475562 | 2026-06-19 | General construction | 3432 W 38TH PL | SCOPE: ROOF REPLACEMENT. AREA: 1400 SQ. FT. ROOF COVERING: ASPHALT SHINGLES. LOCATION: MAIN ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $22,900 |
| B200474992 | 2026-06-16 | General construction | 2529 W PERSHING RD | SCOPE: ROOF REPLACEMENT. AREA: 1600 SQ. FT. ROOF COVERING: ASPHALT SHINGLES. LOCATION: MAIN ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $35,787 |
| B200470187 | 2026-06-11 | General construction | 5503 N CAMPBELL AVE | TUCKPOINTING AND UNIT MASONRY REPAIR / REPLACEMENT: 100 SQ. FT., LINTEL QTY. 0, MAX. LENGTH 0. PARAPET REBUILDING: 80 SQ. FT. LOCATION: EXTERIOR WALLS MASONRY REPAIR, TUCKPOINTING. | $4,000 |
| 101078690 | 2026-06-09 | General construction | 6031 S MAPLEWOOD AVE | RENOVATION PROJECT OF AN EXISTING VACANT, RESIDENTIAL 2-FAMILY DETACHED HOME, 2-STORY BUILDING WITH AN UNFINISHED FULL BASEMENT. THE BUILDING IS TYPE IV CONSTRUCTION, COMBUSTIBLE. | $70,000 |
| 101082068 | 2026-06-04 | General construction | 1645 S RIDGEWAY AVE | PROPOSED 2 STORY SFR W/BASEMENT, 5' FRONT IRON/6' SIDE WOOD FENCES, REAR 1ST FLOOR PORCH, SOUTH SIDE PATIO, AND 3 CAR GARAGE W/ROOF DECK, PER PLANS. | $400,000 |
| B200472848 | 2026-06-02 | General construction | 3242 S SPRINGFIELD AVE | SCOPE: ROOF REPLACEMENT. AREA: 1000 SQ. FT. ROOF COVERING: BUILT-UP ROOF. LOCATION: FLAT ROOF. IL ROOFING CONTRACTOR LICENSE: 104019777. | $28,175 |
| B200472663 | 2026-06-01 | General construction | 816 N LEAMINGTON AVE | FOR PERMIT 101075061: REPLACEMENT MASON CONTRACTOR. NEW CONTRACTOR(S) LISTED UNDER "OTHER APPLICANTS AND CONTRACTORS" ON PERMIT CERTIFICATE. | |
| B200468691 | 2026-05-19 | General construction | 8911 S HOUSTON AVE | FULL REBUILD (SAME AS EXISTING) FOR WOOD PORCH (OPEN) (QUANTITY: 1, LOCATION: FRONT OF BUILDING). LANDING: 65 SQUARE FEET. | $34,059 |
| 101077678 | 2026-05-14 | General construction | 439 E 42ND PL | PROPOSED 3 STORY/3 UNIT RESIDENCE W/GROUND FLOOR TYPE A UNIT AND ROOF DECK/STAIR ENCLOSURE, REAR 3 STORY STAIRS, 5' FRONT METAL/6' SIDE WOOD FENCES, AND 1 ADA SPACE GARAGE, PER PLA | $1,200,000 |
| 101081226 | 2026-05-01 | General construction | 2557 E 106TH ST | SPR 2019 CBC. REMOVE EXISTING REAR ENCLOSED PORCH AND REPLACE IT WITH A NEW OPEN WOOD PORCH AND CONCRETE STAIR FOR THE TWO-STORY SINGLE-FAMILY FRAME HOUSE, AS PER PLANS. R5 OCCUPAN | $20,000 |
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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