COMPANY RECORD · CHICAGO, IL
Diversified General Contractor — permit history in Chicago, IL
Diversified General Contractor appears on 152 Chicago permit records from 2006 through 2025, all of them mechanical / hvac.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 152 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2006 | 28 |
| 2007 | 42 |
| 2008 | 2 |
| 2009 | 9 |
| 2010 | 2 |
| 2011 | 10 |
| 2012 | 5 |
| 2013 | 4 |
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 7 |
| 2021 | 21 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Busiest year on record: 2007, with 42 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 | 71 | 2015-02-17 |
| Illinois Window & Glass | 42 | 2007-12-05 |
| Walsh Construction Company Of | 28 | 2006-10-19 |
| Lr Contracting Company | 25 | 2021-01-11 |
| Kr Tech Group,Inc. | 23 | 2021-01-11 |
| Mbb Enterprises Of Chicago, In | 13 | 2006-02-28 |
| F.H. Paschen, S.N. Nielsen & Associates, LLC. | 10 | 2022-05-06 |
| Griggs Mitchell & Alma Of Il, LLC | 8 | 2025-02-11 |
| Humboldt Construction Company | 6 | 2011-09-23 |
| D&D Concrete, LLC | 6 | 2011-09-23 |
| Conex Solutions Ltd | 6 | 2025-02-11 |
| Sanfratello Masonry, Inc. | 6 | 2011-09-23 |
36 companies are named alongside Diversified General Contractor 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 |
|---|---|
| 500 E 51ST ST | 2025-10-31 |
| 4540 S STATE ST | 2025-02-11 |
| 4520 S STATE ST | 2025-02-10 |
| 753 W 79TH ST | 2024-06-25 |
| 838 W 79TH ST | 2023-03-20 |
| 4201 W HENDERSON ST | 2022-05-06 |
| 8445 S KOLIN AVE | 2022-04-22 |
| 41 W 36TH ST | 2022-03-25 |
| 42 W 37TH ST | 2022-02-08 |
| 1859 S PULASKI RD | 2021-12-15 |
| 2056 W BRADLEY PL | 2021-09-21 |
| 3730 W BRYN MAWR AVE | 2021-08-19 |
| 1113 S LAFLIN ST | 2021-01-11 |
| 1140 S LOOMIS ST | 2021-01-11 |
137 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $50,000,000, median $972,479. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
152 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101071845 | 2025-10-31 | Mechanical / HVAC | 500 E 51ST ST | SPR 2019 CBRC: MECHANICAL ONLY. REPLACE THE EXISTING INTERIOR AIR HANDLING UNITS LOCATED ON THE 4TH FLOOR OF AN EXISTING HOSPITAL. AIR HANDLING UNITS ARE BEING CONSOLIDATED TO LARG | $13,000,000 |
| 101053170 | 2025-02-11 | Mechanical / HVAC | 4540 S STATE ST | DDS 2019 CBC: NEW CONSTRUCTION OF A PROPOSED 3-STORY MULTI-FAMILY RESIDENTIAL BUILDING WITH 12 DWELLING UNITS. OCCUPANCY R-2; CONSTRUCTION TYPE III-B. CONSULTANT REVIEWER: V3 COMPA | $5,100,000 |
| 101053169 | 2025-02-10 | Mechanical / HVAC | 4520 S STATE ST | DDS 2019 CBC: CONSTRUCTION OF A NEW, 4-STORY 50,838 SF RESIDENTIAL BUILDING AT STATE AND 45TH. BUILDING WILL FEATURE 40 RESIDENTIAL UNITS, AN OFFICE AND COMMUNITY AMENITY SUITE (2 | $8,000,000 |
| 101042035 | 2024-06-25 | Mechanical / HVAC | 753 W 79TH ST | DDS 2019 CBC: REVISION TO PERMIT 100985136 TO PROVIDE UNDERSLAB PLUMBING PIPING AND STUB UPS FOR TENANT SPACE, STAINLESS STEEL DISHWASHER EXHAUST DUCT FOR FOOD AND BEVERAGE TENANT | $40,000 |
| 101006597 | 2023-03-20 | Mechanical / HVAC | 838 W 79TH ST | DDS 2019 CBC: REVISION TO PERMIT 100985140 TO REMOVE USE OF STONE COLUMNS FOR SITE STABILIZATION. ENGINEERED FILL TO BE PROVIDED ON SITE PRIOR TO FOUNDATION CONSTRUCTION. REPLACEME | $711,690 |
| 101006596 | 2023-03-20 | Mechanical / HVAC | 753 W 79TH ST | DDS 2019 CBC: REVISION TO PERMIT 100985136 TO REMOVE USE OF STONE COLUMNS. ENGINEERED FILL TO BE PROVIDED ON SITE PRIOR TO FOUNDATION CONSTRUCTION. (OCCUPANCY GROUPS R-2, A-2, B, U | $779,566 |
| 100985140 | 2022-12-27 | Mechanical / HVAC | 838 W 79TH ST | DDS 2019 CBC: NEW CONSTRUCTION OF 3-STORY SPRINKLERED MIXED USE BUILDING WITH NO BASEMENT ON STONE COLUMNS. 28 DWELLING UNITS, FIRST FLOOR BUSINESS OFFICE TENANT. 28 CAR PARKING SP | $16,600,000 |
| 100985136 | 2022-12-27 | Mechanical / HVAC | 753 W 79TH ST | DDS 2019 CBC: NEW CONSTRUCTION OF 5-STORY SPRINKLERED MIXED USE BUILDING WITH NO BASEMENT ON STONE COLUMNS. 30 DWELLING UNITS, FIRST FLOOR OFFICE TENANT AND RESTAURANT, AND ROOFTOP | $17,300,000 |
| 100960404 | 2022-05-06 | Mechanical / HVAC | 4201 W HENDERSON ST | CPS SCHOOL - NO CHANGE IN USE - SELF CERT - RENOVATION OF 2 EXISTING 2 CLASSROOM MODULARS INCLUDING -REPLACEMENT IN KIND OF MECHANICAL AIR HANDLING UNIT, EXTERIOR CLADDING, INTERIO | $2,500,000 |
| 100962491 | 2022-04-22 | Mechanical / HVAC | 8445 S KOLIN AVE | SELECT UPGRADES TO MECHANICAL, ELECTRICAL, AND PLUMBING. NEW ENCLOSED CHILLER. MINOR ROOF ACCESSORIES WORK. ISOLATED FINISHES. | $5,000,000 |
| 100900432 | 2022-03-25 | Mechanical / HVAC | 41 W 36TH ST | 2019 CBC: NEW CONSTRUCTION OF A 5-STORY RESIDENTIAL, SPRINKLED BLDG. WITH 40 DWELLING UNITS, 24 EXTERIOR PARKING SPACES, 11 INTERIOR PARKING SPACES IN AN INTERIOR GARAGE, AND 2 EL | $30,000,000 |
| 100907000 | 2022-02-08 | Mechanical / HVAC | 42 W 37TH ST | 2019 CBC: NEW CONSTRUCTION: 5-STORY CONCRETE POURED IN PLACE RESIDENTIAL BUILDING. THERE IS NO BASEMENT. 40 DWELLING UNITS, 23 EXTERIOR PARKING SPACES, 11 INTERIOR PARKING SPACES A | $14,000,000 |
| 100913840 | 2021-12-15 | Mechanical / HVAC | 1859 S PULASKI RD | INTERIOR ALTERATION FOR THE EXIST. FOUR-(4) STORY RESIDENTIAL BUILDING, THIRTY-THREE-(33) DWELLING UNITS INCLUDES NEW ROOFING SYSTEM, PARAPET REBUILD/ MASONRY REPOINTING, NEW WIND | $3,000,000 |
| 100940842 | 2021-09-21 | Mechanical / HVAC | 2056 W BRADLEY PL | WINDOWS (REPLACEMENT ONLY): QTY 21, DOORS (REPLACEMENT ONLY): QTY 6, FURNACE (REPLACEMENT ONLY): QTY 3 | $30,000 |
| 100940845 | 2021-09-21 | Mechanical / HVAC | 2056 W BRADLEY PL | WINDOWS (REPLACEMENT ONLY): QTY 21, DOORS (REPLACEMENT ONLY): QTY 6, FURNACE (REPLACEMENT ONLY): QTY 3 | $30,000 |
| 100928105 | 2021-08-19 | Mechanical / HVAC | 3730 W BRYN MAWR AVE | SELF CERT INTERIOR RENOVATION OF EXISTING CULINARY ARTS CLASSROOM. NO CHANGE TO ZONING (EXISTING E- OCCUPANCY HIGH SCHOOL LEVEL). PROVIDE UPGRADES TO MECHANICAL, PLUMBING AND ELECT | $1,000,000 |
| 100899437 | 2021-01-11 | Mechanical / HVAC | 1113 S LAFLIN ST | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 2 STORY 16 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP. NO STRUCTURAL SCOPE. | $998,011 |
| 100899447 | 2021-01-11 | Mechanical / HVAC | 1140 S LOOMIS ST | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 3 STORY 28 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP AND ACCESSIBILITY UPG | $1,746,520 |
| 100899409 | 2021-01-06 | Mechanical / HVAC | 1500 W ROOSEVELT RD | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 2 STORY 16 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP. NO STRUCTURAL SCOPE. | $998,011 |
| 100898958 | 2021-01-06 | Mechanical / HVAC | 1139 S ASHLAND AVE | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 3 STORY 24 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP AND ACCESSIBILITY UPG | $1,497,017 |
| 100899441 | 2021-01-06 | Mechanical / HVAC | 1118 S LOOMIS ST | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 3 STORY 14 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP AND ACCESSIBILITY UPG | $873,260 |
| 100899880 | 2021-01-06 | Mechanical / HVAC | 1111 S LAFLIN ST | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 1 STORY APARTMENT AMENITY BUILDING WITH NO DWELLING UNITS. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING ME | $185,000 |
| 100899449 | 2021-01-04 | Mechanical / HVAC | 1011 S ASHLAND AVE | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 3 STORY 26 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP AND ACCESSIBILITY UPG | $1,621,769 |
| 100899395 | 2021-01-04 | Mechanical / HVAC | 1530 W ROOSEVELT RD | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 2 STORY 16 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP. NO STRUCTURAL SCOPE. | $998,011 |
| 100899442 | 2021-01-04 | Mechanical / HVAC | 1112 S LOOMIS ST | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 3 STORY 16 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP AND ACCESSIBILITY UPG | $998,011 |
| 100899426 | 2021-01-04 | Mechanical / HVAC | 1424 W ROOSEVELT RD | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 3 STORY 24 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP AND ACCESSIBILITY UPG | $1,497,017 |
| 100899445 | 2021-01-04 | Mechanical / HVAC | 1124 S LOOMIS ST | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 3 STORY 22 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP. NO STRUCTURAL SCOPE. | $1,372,266 |
| 100899402 | 2021-01-04 | Mechanical / HVAC | 1510 W ROOSEVELT RD | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 2 STORY 16 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP. NO STRUCTURAL SCOPE. | $998,011 |
| 100899276 | 2021-01-04 | Mechanical / HVAC | 1520 W ROOSEVELT RD | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 2 STORY 16 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP. NO STRUCTURAL SCOPE. | $998,011 |
| 100899425 | 2021-01-04 | Mechanical / HVAC | 1111 S LAFLIN ST | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 2 STORY 16 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP. NO STRUCTURAL SCOPE. | $998,011 |
| 100899411 | 2021-01-04 | Mechanical / HVAC | 1515 W FILLMORE ST | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 2 STORY 16 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP. NO STRUCTURAL SCOPE. | $998,011 |
| 100899420 | 2021-01-04 | Mechanical / HVAC | 1515 W FILLMORE ST | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 2 STORY 16 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP. NO STRUCTURAL SCOPE. | $998,011 |
| 100899446 | 2021-01-04 | Mechanical / HVAC | 1420 W ROOSEVELT RD | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 2 STORY 16 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP. NO STRUCTURAL SCOPE. | $998,011 |
| 100899450 | 2020-12-29 | Mechanical / HVAC | 1111 S ASHLAND AVE | DDS 2019 CBRC: ALTERATION AND REPAIRS TO EXISTING 8 STORY 120 UNIT APARTMENT BUILDING. PRIVATELY OWNED, PRIVATELY FINANCED PARTIAL REHABILITATION INCLUDING MEP AND ACCESSIBILITY UP | $6,547,196 |
| 100860871 | 2020-07-01 | Mechanical / HVAC | 9510 S CONSTANCE AVE | DDS, PD 273. PRIVATELY OWNED, PRIVATELY FUNDED PARTIAL REHABILITATION AND ACCESSIBILITY UPGRADES TO AN EXISTING 7 STORY APARTMENT BUILDING WITH 76 UNITS. EXTERIOR SCOPE INCLUDES MA | $3,659,400 |
| 100860945 | 2020-06-29 | Mechanical / HVAC | 9540 S CONSTANCE AVE | DDS, PD 273. PRIVATELY OWNED, PRIVATELY FUNDED PARTIAL REHABILITATION AND ACCESSIBILITY UPGRADES TO AN EXISTING 3 STORY APARTMENT BUILDING WITH 24 UNITS. EXTERIOR SCOPE INCLUDES EN | $1,155,600 |
| 100860943 | 2020-06-29 | Mechanical / HVAC | 9520 S CONSTANCE AVE | DDS, PD 273. PRIVATELY OWNED, PRIVATELY FUNDED PARTIAL REHABILITATION AND ACCESSIBILITY UPGRADES TO AN EXISTING 3 STORY APARTMENT BUILDING WITH 12 UNITS. EXTERIOR SCOPE INCLUDES MA | $577,800 |
| 100860944 | 2020-06-29 | Mechanical / HVAC | 9530 S CONSTANCE AVE | DDS, PD 273. PRIVATELY OWNED, PRIVATELY FUNDED PARTIAL REHABILITATION AND ACCESSIBILITY UPGRADES TO AN EXISTING 3 STORY APARTMENT BUILDING WITH 24 UNITS. EXTERIOR SCOPE INCLUDES EN | $1,155,600 |
| 100863531 | 2020-06-26 | Mechanical / HVAC | 1801 E 95TH ST | DDS, PD 273. PRIVATELY OWNED, PRIVATELY FUNDED PARTIAL REHABILITATION AND ACCESSIBILITY UPGRADES TO AN EXISTING 3 STORY APARTMENT BUILDING WITH 24 UNITS. EXTERIOR SCOPE INCLUDES EN | $1,155,600 |
| 100845044 | 2020-01-10 | Mechanical / HVAC | 4025 W PETERSON AVE | DDS FOR PD1413: SINGLE STORY COVERED PARKING TO INCLUDE PRE-ENGINEERED BUILDING, FOUNDATION, LIGHT FIXTURES, HEATER, AND OIL SEPARATOR. | $200,000 |
| 100818788 | 2019-08-07 | Mechanical / HVAC | 4500 N CLARENDON AVE | REVISION TO PERMIT 100762995 FOR PRIVATELY OWNED, PRIVATELY FUNDED PARTIAL REHABILITATION AND ACCESSIBILITY UPGRADES TO EXISTING 13-STORY CONCRETE BUILDING CONTAINING 152 UNITS. RE | $8,000,000 |
| 100780374 | 2019-02-01 | Mechanical / HVAC | 4025 W PETERSON AVE | DIRECT DEVELOPER SERVICES PROGRAM: NEW 2-STORY BUILDING TO INCLUDE SERVICE CENTER, FLEET HUB, REPAIR GARAGE, FIELD SUPPORT SHOPS AND OFFICES. FOUNDATION AND SITE UTILITIES HAVE BEE | $25,000,000 |
| 100785391 | 2018-09-27 | Mechanical / HVAC | 15 W 95TH ST | CTA 95TH STREET STATION - RENOVATION TO THE EXISTING CONCOURSE AND PLATFORM LEVEL OF THE SOUTH TERMINAL. THIS WORK INCLUDES RELOCATION OF AN EXISTING STAIR, REMOVAL OF TWO TEMPORAR | $5,250,000 |
| 100785390 | 2018-09-27 | Mechanical / HVAC | 14 W 95TH ST | CTA 95TH STREET STATION -NEW STEEL AND GLASS PEDESTRIAN BRIDGE SPANNING OVER 95TH STRET AND CONNECTING THE EXISTING NORTH AND SOUTH TERMINALS. THE STRUCTURE IS SUPPORTED ON THE EX | $5,250,000 |
| 100772917 | 2018-09-13 | Mechanical / HVAC | 3833 N BROADWAY | REVISION TO PERMIT #100677550. REPLACE DIESEL EMERGENCY GENERATOR WITH NATURAL GAS EMERGENCY GENERATOR FOR PREVIOUSLY PERMITTED EIGHT STORY BUILDING WITH 2 BASEMENT PARKING LEVELS, | $72,000 |
| 100762995 | 2018-07-16 | Mechanical / HVAC | 4500 N CLARENDON AVE | PRIVATELY OWNED, PRIVATELY FUNDED PARTIAL REHABILITATION AND ACCESSIBILITY UPGRADES TO EXISTING 13-STORY MULTI-UNITS RESIDENTIAL CONCRETE BUILDING CONTAINING 152 UNITS INCLUDING PA | $8,000,000 |
| 100746213 | 2018-02-05 | Mechanical / HVAC | 14 W 95TH ST | RENOVATIONS OF EXISTING ONE-STORY TRANSIT STATION INCLUDING ALL ASSOICATED ARCHITECTURAL, STRUCTURAL, MECHANICAL PLUMBING ELECTRIAL FIRE PROTECTION AND COMMUNICATION SYSTEMS | $25,000,000 |
| 100680755 | 2016-11-22 | Mechanical / HVAC | 1857 W 35TH ST | REPLACE 1 FURNACE | $0 |
| 100625050 | 2016-10-11 | Mechanical / HVAC | 7621 S GREENWOOD AVE | NEW ONE STORY CHURCH WITH THREE LEVEL BALCONY AND AUXILIARY SUPPORT SPACES. CLASS C1 LARGE ASSEMBLY OCCUPANCY. TYPE 1B CONSTRUCTION. APPROXIMATELY 85,000 SQUARE FEET. SITE DEVE | $21,000,000 |
| 100581652 | 2015-02-17 | Mechanical / HVAC | 3720 S DEARBORN ST | REVISIONS TO PERMIT 100491013- REVISION OF SOUTH STAIRWELL WINDOES TO NON-PROTECTED OPENINGS PER CHANGES TO PD#897 SITE PLAN. 3720 SOUTH DEARBORN STREET | $8,000 |
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 2025, 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 →