COMPANY RECORD · CHICAGO, IL
The 3 Gs Services Company — permit history in Chicago, IL
The 3 Gs Services Company appears on 27 Chicago permit records from 2020 through 2025, all of them mechanical / hvac.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 27 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
Busiest year on record: 2020, with 8 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 |
|---|---|---|
| Tw Chicago, LLC | 15 | 2024-10-29 |
| Choice Construction Group Inc | 4 | 2022-01-18 |
| Unified Construction Group, LLC | 2 | 2022-06-02 |
| Cca Construction LLC | 1 | 2025-09-19 |
| Chicago Masonry Construction | 1 | 2021-11-17 |
| Mark Restoration | 1 | 2023-04-19 |
6 companies are named alongside The 3 Gs Services Company 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 |
|---|---|
| 121 W WACKER DR | 2025-09-19 |
| 2731 N CLARK ST | 2024-10-29 |
| 637 W DIVERSEY PKWY | 2024-05-03 |
| 717 N MICHIGAN AVE | 2023-04-19 |
| 4000 S RACINE AVE | 2023-04-04 |
| 210 S CANAL ST | 2022-06-02 |
| 1574 N KINGSBURY ST | 2022-05-20 |
| 6351 N BROADWAY | 2022-01-18 |
| 7615 W IRVING PARK RD | 2022-01-06 |
| 7632 N PAULINA ST | 2021-11-17 |
| 2739 N CLARK ST | 2021-08-12 |
| 5600 N RIDGE AVE | 2021-03-29 |
| 1308 N ELSTON AVE | 2020-12-11 |
| 7134 W HIGGINS AVE | 2020-11-03 |
17 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $1,362,133, median $75,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
27 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101073310 | 2025-09-19 | Mechanical / HVAC | 121 W WACKER DR | SELF-CERTIFICATION 2019 CBRC: INTERIOR ALTERATION OF EXISTING OFFICE SPACE IN AN EXISTING HIGH RISE OFFICE BUILDING ON THE 22ND FLOOR. THE SCOPE OF WORK INCLUDES REMOVAL OF NON-LOA | $400,000 |
| 101060998 | 2024-10-29 | Mechanical / HVAC | 2731 N CLARK ST | SC 2019 CBRC: INTERIOR ALTERATION FOR LANDLORD WORK IN BASEMENT AND GROUND FLOOR RETAIL INCLUDING ELECTRICAL, PLUMBING, MECHANICAL, AND STRUCTURAL IMPROVEMENTS. (OCC. GRP. M; CONST | $75,000 |
| 101048980 | 2024-05-03 | Mechanical / HVAC | 637 W DIVERSEY PKWY | SELF-CERT. 2019 CBC: REVISION TO PERMIT #101041423 FOR MINOR MEP CHANGES, TO INCLUDE UPDATED RISER DIAGRAM & EQUIPMENT SCHEDULE, REROUTED NATURAL GAS PIPING TO SERVE FURNACE & EXTE | $16,080 |
| 101041423 | 2024-03-06 | Mechanical / HVAC | 637 W DIVERSEY PKWY | SC 2019 CBC: INTERIOR ALTERATIONS TO EXISTING GROUND FLOOR RETAIL SPACE TO INCLUDE A NEW AC UNIT, NEW ELECTRICAL PANEL, NEW WATER HEATER, AND ADDITIONAL MEP, AS PER PLANS. | $70,000 |
| 101007549 | 2023-04-19 | Mechanical / HVAC | 717 N MICHIGAN AVE | SELF-CERT 2019 CBRC: ALTERATIONS TO COMMON AREAS IN 4 STORY MERCENTILE BUILDING. RE-DEMISING OF GROUND FLOOR TENANT SPACE AND THE FAÇADE (ONLY ONE PORTION OF THE FAÇADE). NEW ROOFT | $408,000 |
| 100994611 | 2023-04-04 | Mechanical / HVAC | 4000 S RACINE AVE | **SPR, 2019 CBRC** ALTERATION BUILDING PERMIT FOR A TENANT IMPROVEMENT OF AN EXISTING OFFICE SPACE WITHIN AN EXISTING WAREHOUSE. SCOPE OF WORK INCLUDES DEMOLITION, NEW WALLS AND PA | $1,362,133 |
| 100996183 | 2022-12-06 | Mechanical / HVAC | 121 W WACKER DR | SELF CERT 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 17TH FLOOR OFFICE SPACE TO INCLUDE DEMO, NEW PARTITIONS, MECHANICAL, PLUMBING AND ELECTRICAL AS PER PLANS. NO CHANGE TO EXISTI | $450,000 |
| 100969498 | 2022-06-02 | Mechanical / HVAC | 210 S CANAL ST | 1122 SQUARE FOOT INTERIOR RENOVATION OF AN EXISTING TENANT SPACE LOCATED ON THE MEZZANINE LEVEL OF CHICAGO UNION STATION. EXISTING OCCUPANCY CLASSIFICATION OF THE SPACE IS B (BUSIN | $125,000 |
| 100972730 | 2022-05-20 | Mechanical / HVAC | 1574 N KINGSBURY ST | REPLACE (1) ROOF TOP UNIT. | $0 |
| 100972728 | 2022-05-20 | Mechanical / HVAC | 1574 N KINGSBURY ST | REPLACE RTU WITH ONE CARRIER 20 TON ROOFTOP UNIT, SELF CONTAINED, AIR COOLED, R410A. | $0 |
| 100953994 | 2022-01-19 | Mechanical / HVAC | 1574 N KINGSBURY ST | SELF CERT: INTERIOR ALTERATIONS TO EXISTING GROUND FLOOR AND MEZZANINE RETAIL SPACE TO INCLUDE REMOVAL OF EXISTING GAS AND ELECTRIC LINES FEEDING THE FORMER TENANTS RTU¿S AND ADDIT | $85,000 |
| 100953371 | 2022-01-18 | Mechanical / HVAC | 6351 N BROADWAY | SELF-CERT PERMIT FOR LANDLORD'S PORTION OF WORK FOR INCOMING NEW BUSINESS TENANT AT UNIT 1137 W SHERIDAN RD. WORK CONSISTS OF BUILDOUT OF ONE ACCESSIBLE SINGLE-USER TOILET ROOM, ON | $30,000 |
| 100952195 | 2022-01-06 | Mechanical / HVAC | 7615 W IRVING PARK RD | SELF CERTIFICATION - ALTERATIONS TO REPAIR EXISTING ROOF AND INTERIOR AFTER BUILDING DAMAGE. NO CHANGE TO EXISTING OCCUPANCY OR ZONING. EXISTING GROUP B OCCUPANCY TO REMAIN. | $135,000 |
| 100942578 | 2021-11-22 | Mechanical / HVAC | 1574 N KINGSBURY ST | SELF CERT: INTERIOR ALTERATIONS TO EXISTING GROUND FLOOR AND MEZZANINE TENANT SPACE AS PER PLANS | $313,000 |
| 100949051 | 2021-11-18 | Mechanical / HVAC | 121 W WACKER DR | REVISION TO PERMIT #100927078 CHANGE OF PLUMBING CONTRACTOR TO I & D PLUMBING INC AND THE VENTILATION CONTRACTOR TO 3G'S HEATING AND COOLING. | $1 |
| 100908761 | 2021-11-17 | Mechanical / HVAC | 7632 N PAULINA ST | SPR 2019 CBRC: INTERIOR AND FAÇADE RENOVATIONS TO TRANSITIONAL RESIDENCES (GROUP LIVING) USE IN EXISTING 2 STORY, TYPE IIIB CONSTRUCTION TYPE BUILDING. WORK INCLUDES PARTITIONS, FI | $429,040 |
| 100930363 | 2021-08-12 | Mechanical / HVAC | 2739 N CLARK ST | SELF CERT: FIRST TIME BUILDOUT OF TENANT #2 IN EXISTING BUILDING. WORK INCLUDES NEW INTERIOR PARTITIONS, NEW TOILET ROOM AND EMPLOYEE PANTRY, NEW HVAC EQUIPMENT, NEW PLUMBING AND N | $192,000 |
| 100920314 | 2021-05-05 | Mechanical / HVAC | 6351 N BROADWAY | SELF CERT PERMIT FOR LANDLORD'S PORTION OF THE WORK FOR INCOMING DENTAL OFFICE. WORK THIS PERMIT INCLUDES INSTALLATION OF DEMISING WALL, RUN ELECTRIC DICONNECT FROM COMMON BUILDING | $20,000 |
| 100908660 | 2021-03-29 | Mechanical / HVAC | 5600 N RIDGE AVE | SC 2019 CBC - TENANT IMPROVEMENT - NEW MUSIC SCHOOL -SKILL DEVELOPMENT FACILITY IN AN EXISTING BUILDING SHELL ON GROUND FLOOR, INCLUDES ALL ELECTRICAL, PLUMBING AND MECHANICAL MODI | $224,000 |
| 100898990 | 2020-12-11 | Mechanical / HVAC | 1308 N ELSTON AVE | SELF-CERTIFICATION 2019 CBRC - COMM. INTERIOR BUILD OUT OF APPROXIMATELY 3,619 S.F. OF TYPICAL OFFICE SPACE ON THE 1ST FLOOR OF AN EXISTING BUILDING. THE SCOPE OF WORK INCLUDES NEW | $290,000 |
| 100895278 | 2020-11-03 | Mechanical / HVAC | 7134 W HIGGINS AVE | SELF CERT 2019 CBRC: DEMOLITION OF AN EXISTING INTERIOR OFFICE. NEW INTERIOR BUILDOUT OF A DENTAL OFFICE. (EXISTING OCCUPANCY GROUP B, TYPE IIB CONSTRUCTION) | $400,000 |
| 100873398 | 2020-08-12 | Mechanical / HVAC | 2482 N MILWAUKEE AVE | SELF CERT RETAIL BUILDOUT WITHIN EXISTING DEMISING WALLS | $50,000 |
| 100876887 | 2020-08-10 | Mechanical / HVAC | 1139 W SHERIDAN RD | PARTIAL INTERIOR BUILD-OUT ON THE FIRST FLOOR OF THE EXISTING INTERIOR SPACE OF A NEW 7-STORY BUILDING. ADDITIONAL WORK TO BE DONE BY TENANT UNDER A SEPARATE PERMIT AS PER PLANS**C | $25,000 |
| 100871675 | 2020-04-28 | Mechanical / HVAC | 209 W JACKSON BLVD | REVISION TO PERMIT NO. 100854894 TO CHANGE VENT CONTRACTOR TO THE 3GS SERVICE COMPANY, CHANGE PLUMBINT CONTRACTOR TO FETTES, LOVE & SIEBEN | $1 |
| 100861925 | 2020-02-10 | Mechanical / HVAC | 209 W JACKSON BLVD | REVISION TO PERMIT # 100848362 TO CHANGE VENT CONTRACTOR TO THE 3 GS SERVICES COMPANY | $1 |
| 100861926 | 2020-02-10 | Mechanical / HVAC | 209 W JACKSON BLVD | REVISION TO PERMIT # 100850747 TO CHANGE VENT CONTRACTOR TO THE 3 GS SERVICES COMPANY & PLUMBING CONTRACTOR TO FETTES,LOVE & SIEBEN | $1 |
| 100861922 | 2020-02-10 | Mechanical / HVAC | 209 W JACKSON BLVD | REVISION TO PERMIT # 100850557 TO CHANGE VENT CONTRACTOR TO THE 3 GS SERVICES COMPANY & PLUMBING CONTRACTOR TO FETTES,LOVE & SIEBEN | $1 |
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 →