COMPANY RECORD · CHICAGO, IL
Ok Heating & Cooling — permit history in Chicago, IL
Ok Heating & Cooling appears on 646 Chicago permit records from 2006 through 2026, all of them mechanical / hvac.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 646 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2006 | 9 |
| 2007 | 39 |
| 2008 | 21 |
| 2009 | 27 |
| 2010 | 31 |
| 2011 | 28 |
| 2012 | 36 |
| 2013 | 36 |
| 2014 | 23 |
| 2015 | 40 |
| 2016 | 40 |
| 2017 | 38 |
| 2018 | 37 |
| 2019 | 23 |
| 2020 | 34 |
| 2021 | 26 |
| 2022 | 62 |
| 2023 | 49 |
| 2024 | 12 |
| 2025 | 13 |
| 2026 | 22 |
Busiest year on record: 2022, with 62 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 |
|---|---|---|
| Rapciak Masonry, Inc. | 63 | 2024-11-14 |
| Kinexx Modular Construction, LLC | 61 | 2024-02-02 |
| Midwest Heritage Builders, LLC | 60 | 2026-05-12 |
| Infocus Builders, Inc. | 59 | 2026-07-21 |
| T & D Builders, Inc | 49 | 2024-02-02 |
| Demox, Inc. | 36 | 2023-03-21 |
| Ace Construction Corp. | 25 | 2026-05-12 |
| Ross Burton Construction Services | 25 | 2012-09-21 |
| Musick Loss Management, Inc. | 24 | 2026-08-11 |
| Meier Masonry, Inc | 24 | 2010-02-22 |
| Brennan Masonry Company | 24 | 2025-01-13 |
| Northern Heritage Builders, LLC | 20 | 2017-02-06 |
239 companies are named alongside Ok Heating & Cooling 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 |
|---|---|
| 444 N WABASH AVE | 2026-08-27 |
| 1459 N TALMAN AVE | 2026-08-21 |
| 1810 W JACKSON BLVD | 2026-08-13 |
| 4909 N GLENWOOD AVE | 2026-08-11 |
| 1010 N RIDGEWAY AVE | 2026-08-05 |
| 565 W RANDOLPH ST | 2026-07-21 |
| 30 N MICHIGAN AVE | 2026-07-15 |
| 2625 N TALMAN AVE | 2026-05-15 |
| 4100 N HARDING AVE | 2026-05-14 |
| 1221 W BELMONT AVE | 2026-05-12 |
| 4242 N CICERO AVE | 2026-04-17 |
| 1064 W ARGYLE ST | 2026-04-10 |
| 751 W BRIAR PL | 2026-04-01 |
| 2023 N RACINE AVE | 2026-03-27 |
571 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $12,000,000, median $202,150. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
646 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101081119 | 2026-08-27 | Mechanical / HVAC | 444 N WABASH AVE | SPR 2019 CBRC: REVISION TO PERMIT: #101062371 TO REPLACE EXISTING ELEVATOR AND ADDING TWO (2) NEW DWELLING UNITS (36 TOTAL DWELLING UNITS) IN 5-STORY BRICK BUILDING W/ BASEMENT, SP | $3,000,000 |
| 101081518 | 2026-08-21 | Mechanical / HVAC | 1459 N TALMAN AVE | SPR 2019 CBRC: INTERIOR ALTERATIONS, REAR ADDITION AND CHANGE OF OCCUPANCY FROM RELIGIOUS ASSEMBLY (A-3) TO MULTI FAMILY RESIDENTIAL (R2) IN AN EXISTING 2-STORY BUILDING. ADDITION | $1,050,000 |
| 101076243 | 2026-08-13 | Mechanical / HVAC | 1810 W JACKSON BLVD | DDS 2019 CBC: INTERIOR NON-STRUCTURAL DEMO IN AN EXISTING RESIDENTIAL BUILDING WITH 98 RESIDENTIAL/SRO UNITS. OCCUPANCY R-1/R-2;CONSTRUCTION TYPE: IIIC. CONSULTANT REVIEWER: V3 CO | $375,000 |
| 101079033 | 2026-08-11 | Mechanical / HVAC | 4909 N GLENWOOD AVE | SPR 2019 CBRC: INTERIOR & EXTERIOR RENOVATIONS W/ FIRE DAMAGED STAIRS REPLACEMENT (SAME SIZE AND LOCATION) TO (24) FIRE-DAMAGED D.U. ON EXISTING 4-STORY (38) D.U. MASONRY BLDG; CON | $7,713,000 |
| 101085385 | 2026-08-05 | Mechanical / HVAC | 1010 N RIDGEWAY AVE | SC 2019 CBRC: INTERIOR REMODELING ONLY OF EXISTING TWO-FLAT (OCC. GRP: R-5; CONST'N TYPE: IIIA) | $100,000 |
| 101085552 | 2026-07-21 | Mechanical / HVAC | 565 W RANDOLPH ST | SELF-CERT 2019 CBCTENANT BUILD-OUT OF EXISTING RESTAURANT (ALTERATIONS TO EXISTING RESTAURANT). RELOCATED TOILET ROOM, NEW EMPLOYEE TOILET ROOM, NEW SEATING CONFIGURATION, EXPANSI | $100,000 |
| 101085363 | 2026-07-15 | Mechanical / HVAC | 30 N MICHIGAN AVE | 2019 CBRC SELF-CERT INTERIOR REMODEL OF FORMER DENTAL OFFICE TO NEW MEDICAL SERVICES / NON-AMBULATORY DENTAL OFFICE ON 14TH FLOOR OF 20 STORY OFFICE BUILDING. WORK INCLUDES INTERIO | $195,000 |
| 101074973 | 2026-05-15 | Mechanical / HVAC | 2625 N TALMAN AVE | SPR 2019 CBRC ALTERATION AND CHANGE OF OCCUPANCY FOR EXISTING 2-STORY + BASEMENT CHURCH TO 3-STORY + BASEMENT MULTI-FAMILY RESIDENTIAL BUILDING WITH 16 UNITS AND 0 ON-SITE PARKING | $3,500,000 |
| 101081141 | 2026-05-14 | Mechanical / HVAC | 4100 N HARDING AVE | SPR 2019 CBRC: INTERIOR REMODELING AT 1ST FLOOR OF AN EXISTING CHURCH TO ADD (1) TOILET ROOM. (OCC. GROUP A-3; CONST. TYPE IIIA)**CONDITIONAL PERMIT SUBJECT TO FIELD INSPECTIONS** | $100,000 |
| 101078038 | 2026-05-12 | Mechanical / HVAC | 1221 W BELMONT AVE | DDS 2019 CBRC: FULL BUILDING PERMIT FOR CONSTRUCTION OF A NEW 40 UNIT, 5 STORY MIXED-USE BUILDING WITH GROUND FLOOR RETAIL, GROUND FLOOR FITNESS AMENITY SPACE, (22 INTERIOR, 2 EXTE | $6,000,000 |
| 101076424 | 2026-04-17 | Mechanical / HVAC | 4242 N CICERO AVE | CBRC INTERIOR REMODEL OF FORMER MEDICAL OFFICES TO DAYCARE FACILITY WITHIN 1-STORY MASONRY BUILDING. WORK INCLUDES CONSTRUCTION OF 4 CLASSROOMS, UTILITY ROOM, WARMING KITCHEN, RECE | $150,000 |
| 101078685 | 2026-04-10 | Mechanical / HVAC | 1064 W ARGYLE ST | 2019 CBRC SELF-CERT INTERIOR REMODEL OF FORMER 1-STORY RETAIL SPACE TO MEDICAL SERVICES/DENTAL OFFICE NON-AMBULATORY CARE FACILITY. WORK INCLUDES 11 TREATMENT ROOMS, 2 OFFICES, REC | $400,000 |
| 101077534 | 2026-04-01 | Mechanical / HVAC | 751 W BRIAR PL | DDS 2019 CBC ADAPTIVE REUSE OF EXISTING 2 STORY THEATRE INTO RESIDENTIAL APARTMENTS, THREE STORY ADDITION ON TOP OF EXISTING THEATRE BUILDING AND NEW 5 STORY ADDITION TO THE SOUTH | $3,000,000 |
| 101078421 | 2026-03-27 | Mechanical / HVAC | 2023 N RACINE AVE | INTERIOR REMODEL OF AN EXISTING MULTI-FAMILY RESIDENTIAL BUILDING WITH 6 DWELLING UNITS. GUT REHAB WITH NEW MECHANICAL, ELECTRICAL & PLUMBING SYSTEMS FOR BOTH BUIDINGS.(THIS PERMI | $600,000 |
| 101076541 | 2026-03-25 | Mechanical / HVAC | 2126 W DICKENS AVE | 2019 SPR - INTERIOR AND EXTERIOR ALTERATIONS TO EXISTING 2-STORY PLUS LOFT AND BASEMENT (PER CZO 3-STORY WITH BASEMENT), 3-UNIT RESIDENTIAL BUILDING TO INCLUDE NEW 2ND FLOOR REAR R | $1,100,000 |
| 101078597 | 2026-02-17 | Mechanical / HVAC | 1636 N BOSWORTH AVE | SELF-CERT 2019 CBRC: ALTERATIONS IN 2ND THRU 4TH FLOORS OF EXISTING 4 STORY 6 D.U./OFFICE BUILDING AS PER PLAN (OCCUPANCY GROUP R2 TYPE IIIA CONSTRUCTION). | $30,000 |
| 101078599 | 2026-02-03 | Mechanical / HVAC | 1646 N BOSWORTH AVE | SELF-CERT 2019 CBRC: ALTERATIONS IN 1ST THRU 4TH FLOORS OF EXISTING 4 STORY 6 D.U./OFFICE BUILDING AS PER PLAN (OCCUPANCY GROUP R2, B TYPE IIIA CONSTRUCTION). | $30,000 |
| 101078607 | 2026-02-03 | Mechanical / HVAC | 1652 N BOSWORTH AVE | SELF-CERT 2019 CBRC: ALTERATIONS IN 1ST THRU 4TH FLOORS OF EXISTING 4 STORY 6 D.U./OFFICE BUILDING AS PER PLAN (OCCUPANCY GROUP R2, B TYPE IIIA CONSTRUCTION). | $30,000 |
| 101078608 | 2026-02-03 | Mechanical / HVAC | 1656 N BOSWORTH AVE | SELF-CERT 2019 CBRC: ALTERATIONS IN 2ND THRU 4TH FLOORS OF EXISTING 4 STORY 6 D.U./OFFICE BUILDING AS PER PLAN (OCCUPANCY GROUP R2 TYPE IIIA CONSTRUCTION). | $30,000 |
| 101071652 | 2026-01-21 | Mechanical / HVAC | 1754 N PAULINA ST | REVISION TO PERMIT 101042033 TO REMOVE EXISTING MEZZANINE FROM THE PROJECT SCOPE, MODIFICATIONS TO THE GROUND FLOOR MECHANICAL DUCTWORK AND ELECTRICAL WIRING AS PER PLAN. **CERTIFI | $50,000 |
| 101075024 | 2026-01-14 | Mechanical / HVAC | 1804 W 103RD ST | SPR 2019 CBRC: INTERIOR REMODELING TO CONVERT AN EXISTING STORAGE BUILDING INTO ARTIST STUDIOS. (OCC GRP. F; CONST. TYPE IIIA) PER PLANS **CERTIFIED PLANS CORRECTIONS: CONDITIONAL | $100,000 |
| 101077048 | 2026-01-09 | Mechanical / HVAC | 1725 W HUBBARD ST | SELF-CERT 2019 CBRC: ALTERATION, WITH NO CHANGE IN OCCUPANCY, TO FIRST FLOOR TAPROOM INTO 3,156 SQ.FT. RESTAURANT SPACE IN EXISTING TWO STORY MIXED USE BUILDING. NO WORK TO OFFICE | $350,000 |
| 101074586 | 2025-12-01 | Mechanical / HVAC | 1709 W CHICAGO AVE | SELF-CERT 2019 CBRC: ALTERATION TO EXISTING GROUND FLOOR RETAIL SPACE (ENTRANCE AT 1711 W CHICAGO AVE) IN EXISTING 2 STORY COMMERCIAL BUILDING. INTERIOR WORK ONLY. CHANGE IN OCCU | $250,000 |
| 101062371 | 2025-10-23 | Mechanical / HVAC | 444 N WABASH AVE | SPR 2019 CBRC: CHANGE OF OCCUPANCY FROM OFFICE USE TO RESIDENTIAL WITH 34 NEW DWELLING UNITS AT 2ND, 3RD, 4TH AND 5TH FLOORS IN EXISTING 5-STORY BRICK BUILDING WITH BASEMENT, SPRIN | $3,000,000 |
| 101067647 | 2025-10-07 | Mechanical / HVAC | 811 W EVERGREEN AVE | DDS 2019 CBRC: CHANGE OF OCCUPANCY FROM OFFICE USE TO RESIDENTIAL WITH 47 NEW DWELLING UNITS AT 1ST, 2ND,3RD & 4TH FLOORS IN EXISTING 4-STORY BRICK BUILDING, NEW ROOF DECK, SPRINK | $6,000,000 |
| 101070235 | 2025-08-25 | Mechanical / HVAC | 5850 N KOSTNER AVE | SPR CBRC 2019: ALTERATIONS TO EXISTING R-5 SINGLE FAMILY RESIDENCE WITH NEW 2 STORY REAR ADDITION INCLUDING PLUMBING, ELECTRICAL, AND MECHANICAL PER PLANS. REMOVAL OF EXISTING BRIC | $250,000 |
| 101067966 | 2025-07-09 | Mechanical / HVAC | 2034 W DIVISION ST | SELF-CERT 2019 CBRC:ALTERATION TO EXISTING GROUND FLOOR RETAIL SPACE IN EXISTING 4 STORY MIXED-USE BUILDING. INTERIOR WORK ONLY. NO CHANGE IN OCCUPANCY (PREVIOUS RESTAURANT USE) | $100,000 |
| 101068980 | 2025-06-18 | Mechanical / HVAC | 707 N WELLS ST | SC 2019 CBC; INTERIOR ALTERATION OF EXISTING RESTAURANT IN EXISTING 11-STORY BUILDING; CONSTRUCTION TYPE: I-A; OCCUPANCY A-2. NO CHANGE USE OR OCCUPANCY. | $1,000,000 |
| 101064418 | 2025-06-16 | Mechanical / HVAC | 5824 N LINCOLN AVE | SPR 2019 CBRC: ADD 2 DU AT BASEMENT & MODIFICATION IN 1ST FLOOR TO CONVERT 6 D.U. TO 8 D.U., ADD 1 EXTERIOR PARKING SPACE ON CONCRETE PAD, 6' HIGH 9'0" X 3'4" MASONRY TRASH ENCLOSU | $180,000 |
| 101054765 | 2025-06-09 | Mechanical / HVAC | 3011 N LINCOLN AVE | PERMIT PLANS FOR INTERIOR REHABILITATION IN EXISTING 2-STORY BRICK BUILDING WITH BASEMENT EXISTING MULTI-UNIT RESIDENTIAL (2 DU'S) AT 2ND FLOOR.EXISTING COMMERCIAL SPACE AT GROUND | $120,000 |
| 101066349 | 2025-05-22 | Mechanical / HVAC | 744 W GORDON TER | SC 2019 CBRC: INTERIOR & EXTERIOR RENOVATIONS TO (5) FIRE DAMAGED D.U.: 104, 206, 310, 311 & 312 ON EXISTING 4-STORY BLDG W/ BSMT INCL. MASONRY & DECK REPAIRS; CONSTRUCTION TYPE II | $650,000 |
| 101064750 | 2025-04-01 | Mechanical / HVAC | 2457 N MOZART ST | 2019 CBRC: ALTERATIONS TO AN EXISTING 2 UNIT RESIDENTIAL BUILDING WITH ADDITION OF BASEMENT CONVERSION UNIT CONVERT FROM 2 UNITS TO 3 UNITS AND CONSTUCT NEW FRAME GARAGE PER PLANS. | $250,000 |
| 101062615 | 2025-02-13 | Mechanical / HVAC | 1316 E MADISON PARK | SELF-CERT 2019 CBRC: REAR 1-STORY ADDITION, NEW 1-STORY GARAGE, INTERIOR AND EXTERIOR ALTERATIONS, TO AN EXISTING 3-STORY, WITH BASEMENT, SINGLE FAMILY RESIDENCE, AS PER PLANS. (ST | $1,300,000 |
| 101063372 | 2025-02-04 | Mechanical / HVAC | 531 N WELLS ST | INTERIOR RENOVATION OF EXISTING COMMERCIAL RESTAURANT IN EXISTING 4-STORY BUILDING W/ BASEMENT AS PER PLANS. TYPE III-A CONSTRUCTION. NO CHANGES TO USE OR OCCUPANCY. (TYPE III-A , | $90,000 |
| 101063557 | 2025-01-13 | Mechanical / HVAC | 1737 N DAMEN AVE | SELF-CERT 2019 CBRC: INTERIOR ALTERATION OF EXISTING COMMERCIAL SPACE FOR NEW RESTAURANT AT FIRST FLOOR AND BASEMENT OF 3 FLOOR EXISTING BUILDING WITH 2 DWELLING UNITS. NO WORK TO | $700,000 |
| 101061174 | 2024-11-19 | Mechanical / HVAC | 1316 E MADISON PARK | SELF-CERT 2019 CBRC: NONSTRUCTURAL INTERIOR DEMOLITION, INCLUDING REMOVAL OF MEP SYSTEMS IN EXISTING 3-STORY SINGLE FAMILY RESIDENCE WITH BASEMENT TO EXPOSE EXISTING EXTERIOR WALL | $100,000 |
| 101054932 | 2024-11-14 | Mechanical / HVAC | 20 N ABERDEEN ST | DDS 2019 CBRC: ALTERATION TO EXISTING BUILDING AT GROUND FLOOR ONLY - SCOPE OF WORK INCLUDES REDUCING EXISTING ACCESSORY USE PARKING (S-2) FROM 27 SPACES TO 18 SPACES IN EXISTING R | $50,000 |
| 101059706 | 2024-11-04 | Mechanical / HVAC | 1358 W RANDOLPH ST | SELF-CERT 2019 CBRC: FULL BUILDING PERMIT FOR BUILDOUT OF RESTAURANT ON FIRST FLOOR AND BASEMENT OF AN EXISTING THREE-STORY MIXED USE BUILDING WITH COMMERCIAL SPACE AND FOUR RESIDE | $550,000 |
| 101052029 | 2024-09-25 | Mechanical / HVAC | 1757 N KIMBALL AVE | SPR 2019 CBRC: ALTERATION AND CHANGE OF OCCUPANCY FOR 2 OFFICE TENANT SPACES (OCCUPANCY GROUP B) FROM 1 FOOD SERVICE RETAIL SPACE (OCCUPANCY GROUP M) IN A 2-STORY SEPARATED MIXED-O | $150,000 |
| 101042033 | 2024-09-16 | Mechanical / HVAC | 1754 N PAULINA ST | SPR 2019 CBRC - INTERNAL RENOVATIONS TO CONVERT EXISTING 1 STORY WAREHOUSE BUILDING W/MEZZANINE TO A CHILD DAY CARE W/12 PARKING SPACES, PER PLANS.**CERTIFIED CORRECTIONS SUBJECT T | $950,000 |
| 101055785 | 2024-08-28 | Mechanical / HVAC | 4223 W LAKE ST | SC 2019 CBRC: INTERIOR REMODELING OF EXISTING 1ST FLOOR BUSINESS SPACE IN A 4-STORY MULTI USE BUILDING. (OCC GRP. B; CONST. TYPE IV) | $200,000 |
| 101055749 | 2024-08-19 | Mechanical / HVAC | 1648 N ROCKWELL ST | SELF CERTIFICATION- 2019 CBRC- GUT REHAB AND ADDITION TO EXISTING 4 DWELLING UNITS IN EXISTING 3-STORY WITH BASEMENT BRICK BUILDING, REAR PORCH ADDITION BY MAKING ENCLOSED REAR POR | $450,000 |
| 101055301 | 2024-08-14 | Mechanical / HVAC | 1550 W CARROLL AVE | INTERIOR RENOVATION OF AN EXISTING OFFICE BUILDINGEXISTING OCCUPANCY B AND S-2 BUILDING. | $300,000 |
| 100911066 | 2024-03-29 | Mechanical / HVAC | 3347 N SOUTHPORT AVE | ERECT A 5 STORY, 27 DWELLING UNIT TYPE IIIA FULLY SPRINKLERED MASONRY BUILDING CONTAINING COMMERCIAL ON THE GROUND FLOOR, CANTILEVERED BALCONIES, ELEVATOR AND TWO PRIVATE GARAGES, | $4,500,000 |
| 101043584 | 2024-03-14 | Mechanical / HVAC | 1721 W WRIGHTWOOD AVE | SELF-CERT 2019 CBRC INTERIOR ALTERATION OF EXISTING VACANT 2-STORY MIXED USE BUILDING. EXISTING FIRST FLOOR RESTAURANT TO BE RENOVATED & (2) EXISTING 2ND FLOOR DWELLING UNITS TO B | $500,000 |
| 101041468 | 2024-02-02 | Mechanical / HVAC | 5014 S ADA ST | SELF-CERT 2019 CBC: FULL BUILDING PERMIT FOR THE NEW CONSTRUCTION OF A PREFABRICATED MODULAR, TYPE V-A SINGLE-FAMILY HOME BASED ON PROTOTYPE PLANS PERMIT #100934659. MINOR VARIATIO | $365,000 |
| 101040678 | 2024-01-18 | Mechanical / HVAC | 4850 S LAKE PARK AVE | SPR 2019 CBC: REVISION TO PERMIT #101023038 TO KEEP EXISTING DUCTWORK FOR ALL UNIT. WORK IN AN EXISTING 25 STORY, TYPE 1-A, R-2 MULTI-FAMILY RESIDENTIAL BUILDING. | $1 |
| 101032114 | 2023-12-13 | Mechanical / HVAC | 2740 N HAMPDEN CT | DDS 2019 CBC:REVISION TO PERMIT #101000869 CHANGES TO BATHROOM VENTING, NO CHANGES TO STRUCTURE, OCCUPANCY OR EXITING; AS PER PLANS FOR EXISTING 159 UNIT, 4 STORY BRICK BUILDING WI | $20,000 |
| 101039673 | 2023-12-04 | Mechanical / HVAC | 1925 S KEDZIE AVE | ERECT NEW 2 STORY SINGLE FAMILY PREFABRICATED HOME WITH FRONT AND REAR ENTRY STAIRS, 4FT TALL IRON FENCE AT FRONT YARD, AND 6FT WOOD FENCE AT SIDES AND REAR AND OPEN PARKING PAD WI | $320,000 |
| 101039024 | 2023-11-28 | Mechanical / HVAC | 1925 S KEDZIE AVE | FOUNDATION ONLY INCLUDES FOOTING AND FOUNDATION FOR ERECTION OFNEW CONSTRUCTION OF 2 STORY SINGLE FAMILY PREFABRICATED HOME - NO BASEMENT | $320,000 |
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 →