COMPANY RECORD · CHICAGO, IL
Klass Electric Company, Inc. — permit history in Chicago, IL
Klass Electric Company, Inc. appears on 708 Chicago permit records from 2010 through 2026, all of them electrical.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Electrical | 708 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2010 | 6 |
| 2011 | 28 |
| 2012 | 43 |
| 2013 | 70 |
| 2014 | 65 |
| 2015 | 60 |
| 2016 | 91 |
| 2017 | 83 |
| 2018 | 88 |
| 2019 | 80 |
| 2020 | 40 |
| 2021 | 16 |
| 2022 | 12 |
| 2023 | 14 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 6 |
Busiest year on record: 2016, with 91 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 |
|---|---|---|
| Jc Anderson Inc | 67 | 2018-06-25 |
| Interior Alterations | 58 | 2020-05-11 |
| Langehaumer Construction, Inc | 47 | 2023-04-10 |
| Englewood Construction, Inc. | 37 | 2024-04-17 |
| Alnian Construction, LLC | 36 | 2013-11-06 |
| Ed Fogarty Constr. Co., Inc | 33 | 2013-11-06 |
| Exclusive Construction Services, Inc | 23 | 2023-11-15 |
| Bear Construction Company | 21 | 2017-03-02 |
| B & M Internation Construction | 20 | 2013-08-30 |
| Reed Illinois Corporation | 20 | 2017-10-18 |
| Leopardo Construction Inc | 17 | 2017-01-30 |
| Interior Construction Group, Inc | 10 | 2015-08-07 |
45 companies are named alongside Klass Electric Company, Inc. 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 |
|---|---|
| 427 S LA SALLE ST | 2026-06-23 |
| 717 S WELLS ST | 2026-06-16 |
| 2707 N MILWAUKEE AVE | 2026-02-27 |
| 4546 N KEDZIE AVE | 2026-02-26 |
| 4338 W NORTH AVE | 2026-02-20 |
| 130 E RANDOLPH ST | 2025-04-28 |
| 3007 S HOMAN AVE | 2025-01-23 |
| 5025 N PAULINA ST | 2024-10-08 |
| 3062 E 91ST ST | 2024-05-08 |
| 6560 W FULLERTON AVE | 2024-04-17 |
| 600 W CHICAGO AVE | 2023-11-15 |
| 600 S FEDERAL ST | 2023-10-23 |
| 7601 S LAWNDALE AVE | 2023-06-29 |
| 633 W NORTH AVE | 2023-04-26 |
207 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1 to $17,854,000, median $81,890. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
708 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101081633 | 2026-06-23 | Electrical | 427 S LA SALLE ST | DDS 2019 CBRC: REVISION TO PERMIT 101070387 TO UPDATE RE-FEED INPUT PANELS 2A &2B.(OCCUPANCY GROUP: B / TYPE 1A CONSTRUCTION) CONSULTANT REVIEWER: V3 COMPANIES OF IL | $1,000 |
| 101079611 | 2026-06-16 | Electrical | 717 S WELLS ST | DDS 2019 CBC: INTERIOR ALTERATIONS TO EXISTING 6TH FLOOR DATA CENTER (INCLUDES REPLACEMENT OF 5 EXISTING AHUS WITH 6 NEW CRAH UNITS, NEW AIR COOLED CHILLERS ON THE ROOF, ROOF MODIF | $3,000,000 |
| B200467019 | 2026-04-21 | Electrical | 427 S LA SALLE ST | LINE VOLTAGE ELECTRICAL WORK. REPAIR OR ALTER DEVICES ON EXISTING CIRCUITS. RECEPTACLE OUTLETS: 1 . LIGHTING OUTLETS: 0. SPECIFIC LOCATION: EXISTING FIRE PUMP ROOM. | $5,000 |
| B200460068 | 2026-02-27 | Electrical | 2707 N MILWAUKEE AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 PACKAGED TERMINAL UNIT(LENNOX, LGH180H4BM2Y, KITCHEN) 1 PACKAGED TERMINAL UNIT(LENNOX, LGH048H4EH1Y, BREAKROOM) 1 PACKAGED TERMINAL U | $50,000 |
| B200455493 | 2026-02-26 | Electrical | 4546 N KEDZIE AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 PACKAGED TERMINAL UNIT(LENNOX, LGC150SH1Y, KITCHEN) 1 PACKAGED TERMINAL UNIT(LENNOX, LGA060SH2Y, KITCHEN) 1 PACKAGED TERMINAL UNIT(LE | $20,000 |
| B200457055 | 2026-02-20 | Electrical | 4338 W NORTH AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 PACKAGED TERMINAL UNIT(LENNOX, LGC210H2BH2Y, ROOFTOP) 1 PACKAGED TERMINAL UNIT(LENNOX, LGC180H2BH2Y, ROOFTOP) 1 PACKAGED TERMINAL UNI | $20,000 |
| 101070387 | 2025-08-19 | Electrical | 427 S LA SALLE ST | DDS / 2019 CBRC: INTERIOR ALTERATIONS TO 2ND FLOOR TENANT SPACE (SUITE201) IN AN EXISTING DATA CENTER AS PER PLANS.(OCCUPANCY GROUP: B / TYPE 1A CONSTRUCTION) CONSULTANT REVIEWER: | $17,854,000 |
| B200421074 | 2025-04-28 | Electrical | 130 E RANDOLPH ST | DUCTWORK EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(TRANE, TZK060A4S0K**K2E0A1010000000A00000000000, PARTIAL ROOF) . ELECTRICAL W | $125,000 |
| B200411635 | 2025-01-23 | Electrical | 3007 S HOMAN AVE | LINE VOLTAGE ELECTRICAL WORK. NEW PERMANENT 200 AMP SERVICE DISCONNECTING MEANS WITH 32 CIRCUITS. RECEPTACLE OUTLETS: 1 . LIGHTING OUTLETS: 1. SPECIFIC LOCATION: BASEMENT. | $1,000 |
| B200024082 | 2024-10-08 | Electrical | 5025 N PAULINA ST | DUCTWORK EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 SPLIT SYSTEM(ENGINEERED AIR, LMD6, MECH ROOM) . ELECTRICAL WORK UNDER THIS PERMIT = YES . LOCATIONS | $300,000 |
| B200014938 | 2024-05-08 | Electrical | 3062 E 91ST ST | DUCTWORK EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 ROOFTOP PACKAGED UNIT(CARRIER MODEL #50AKD060-71604 ROOF) . ELECTRICAL WORK UNDER THIS PERMIT = YES | $160,000 |
| 101027377 | 2024-04-17 | Electrical | 6560 W FULLERTON AVE | SPR 2019 CBC: INTERIOR RENOVATION OF EXISTING RETAIL SPACE FOR USE FOR ADULT DAY CARE & CLINICAL SERVICES CENTER. EXTERIOR WORK TO INCLUDE A CANOPY SYSTEM, HANDICAPPED LOADING ZONE | $2,875,000 |
| 101032061 | 2023-11-15 | Electrical | 600 W CHICAGO AVE | CBC 2019: INSTALLATION, MODIFICATION, AND REMOVAL OF MECHANICAL, ELECTRICAL, AND PLUMBING EQUIPMENT FOR NEW ROOM BUILD-OUT. BUILD-OUT OF (1) NEW 1-HOUR RATED ROOM AS PER PLANS. | $1,375,000 |
| 101022414 | 2023-10-25 | Electrical | 427 S LA SALLE ST | SPR 2019CBC ADDITION OF (1) EVAPORATIVE CONDENSER ON EXISTING ROOF DUNNAGE STEEL.ADDITION OF (1) CHILLER WITHIN AN EXISTING ROOM AND ASSOCIATED PUMPS,ECONOMIZERS,AND MISC. ELECTRIC | $2,000,000 |
| 101031546 | 2023-10-23 | Electrical | 600 S FEDERAL ST | SPR 2019 CBRC - INSTALLATION, MODIFICATION, AND REMOVAL OF MECHANICAL AND ELECTRICAL EQUIPMENT AS PER PLANS. NO CHANGE TO OCCUPANCY OF WALLS/STRUCTURE AS PER PLANS. | $580,000 |
| B101006871 | 2023-10-18 | Electrical | 717 S WELLS ST | **FIRE ALARM PERMIT**INSTALLATION OF FIRE ALARM SYSTEM IN DATA CENTER ON 9TH FLOOR. CONNECTION TO EXISTING APPROVED HIGH-RISE FIRE ALARM & VOICE SYSTEM. | $140,000 |
| 101012450 | 2023-06-29 | Electrical | 7601 S LAWNDALE AVE | SPR 2019 CBRC: ALTERATIONS ACCOMPANYING SWITCHGEAR REPLACEMENT IN COMED SOUTH REGIONAL HEADQUARTERS OFFICE BUILDING. STRUCTURAL REINFORCEMENT UNDER SWITCHGEAR AND REPLACED VENTILAT | $300,000 |
| 101007944 | 2023-04-26 | Electrical | 633 W NORTH AVE | SELF-CERT 2019 CBRC:: REVISION TO PERMIT 100998907 TO CHANGE ENTRY LOCATION & ADDITION OF ENTRY RAMP. ELECTRICAL LIGHTING CONTROL CHANGE FROM LIGHT CONTROL SYSTEM TO MANUAL SYSTEM | $1,150,000 |
| 101008879 | 2023-04-10 | Electrical | 125 S WACKER DR | SELF-CERT 2019 CBRC. INTERIOR BUILD-OUT OF SUITE 1220, AN EXISTING COMMERCIAL OFFICE SPACE IN AN 31 STORY COMMERCIAL BUILDING. NO CHANGE IN OCCUPANCY (OCCUPANCY GROUP B; TYPE 1A CO | $80,780 |
| 101010676 | 2023-04-07 | Electrical | 150 N WACKER DR | SELF-CERT: INTERIOR ALTERATIONS TO EXISTING 18TH FLOOR OFFICE SPACE. WORK TO INCLUDE NON-LOAD BEARING PARTITIONS, ELECTRICAL, MECHANICAL AND PLUMBING SCOPE NO CHANGE IN USE (B-BU | $190,000 |
| 101007541 | 2023-04-05 | Electrical | 125 S WACKER DR | SELF-CERT 2019 CBRC. INTERIOR BUILD-OUT OF SUITE 475, AN EXISTING COMMERCIAL OFFICE SPACE IN AN 31 STORY COMMERCIAL BUILDING. NO CHANGE IN OCCUPANCY (OCCUPANCY GROUP B; TYPE 1A CON | $89,145 |
| B101001767 | 2023-01-20 | Electrical | 3420 N CALIFORNIA AVE | **ELECTRICAL ONLY PERMIT**INSTALLATION OF NEW ELECTRICAL VEHICLE CHARGING STATIONS | $980,000 |
| B101000894 | 2023-01-20 | Electrical | 7601 S LAWNDALE AVE | **ELECTRICAL ONLY PERMIT**INSTALLATION AND REPLACEMENT OF NEW MAIN SERVICE SWITCHBOARD | $1,661,000 |
| B100999908 | 2023-01-18 | Electrical | 125 S WACKER DR | **FIRE ALARM PERMIT**THE MODIFICATION TO THE EXISTING APPROVED FIRE ALARM SYSTEM FOR A TENANT REMODEL. | $12,756 |
| 101000307 | 2023-01-17 | Electrical | 1538 N CLYBOURN AVE | SELF CERT 2019 CBRC: INTERIOR & EXTERIOR ALTERATIONS TO COMBINE EXISTING RETAIL SPACES A117 & A118. WORK TO INCLUDE STOREFRONT MODIFICATIONS, SELECTIVE DEMO, NEW PARTITIONS AND ELE | $250,000 |
| 100978838 | 2023-01-09 | Electrical | 717 S WELLS ST | DDS 2019 CBRC: INTERIOR ALTERATIONS TO 9TH FLOOR BUSINESS DATA CENTER TO INCLUDE DEMO, NEW PARTITIONS, STRUCTURAL FRAMING, FIRE PROTECTION, MECHANICAL AND ELECTRICAL. MINOR STRUCTU | $8,700,000 |
| 100998907 | 2022-12-12 | Electrical | 633 W NORTH AVE | SELF CERT: INTERIOR ALTERATIONS OF AN EXISTING 11,500 SQ. FT. TENANT SPACE CONVERTED TO NEW RETAIL SPACE. WORK TO INCLUDE ARCHITECTURAL, MECHANICAL, PLUMBING AND ELECTRICAL, AS PE | $1,150,000 |
| 100954252 | 2022-11-04 | Electrical | 205 N MICHIGAN AVE | SPR 2019 CBRC: INTERIOR REMOVAL OF NON-LOAD BEARING INTERIOR PARTITIONS, CEILING GRID & MECHANICAL EQUIPMENT. RETURN OF SPACE BACK TO BASE BUILDING CONDITIONS IN SUITE PH-01 AS PER | $45,250 |
| 100990029 | 2022-11-02 | Electrical | 125 S WACKER DR | SELF-CERT 2019 CBRC: INTERIOR RENOVATION AT EXISTING CORRIDORS, LOBBIES, AND RESTROOMS ON THE 4TH, 5TH AND 20TH FLOORS OF EXISTING HIGH RISE OFFICE BUILDING. WORK INCLUDES INTERIOR | $150,000 |
| B100984600 | 2022-09-19 | Electrical | 410 N MICHIGAN AVE | **FIRE ALARM PERMIT****FIRE ALARM SYSTEM** EXISTING FLOOR TENANT RENOVATION FOR 9TH FLOOR FLOOR USE IN A REQUIRED CHICAGO APPROVED HIGH RISE FA SYSTEM. 100% SPRINKLERED. | $4,739 |
| B100982805 | 2022-09-16 | Electrical | 125 S WACKER DR | **FIRE ALARM PERMIT**MODIFICATION TO THE EXISTING FIRE ALARM SYSTEM FOR A TENANT REMODEL. | $9,365 |
| 100975819 | 2022-08-02 | Electrical | 125 S WACKER DR | SELF-CERT 2019 CBRC. INTERIOR ALTERATION OF SUITE 3150, AN EXISTING COMMERCIAL OFFICE SPACE IN AN 31 STORY COMMERCIAL BUILDING. NO CHANGE IN OCCUPANCY (OCCUPANCY GROUP B; TYPE 1A C | $327,110 |
| 100969836 | 2022-07-05 | Electrical | 125 S WACKER DR | SELF-CERT 2019 CBRC: STRUCTURAL PEER REVIEW INCLUDED. INTERIOR RENOVATION OF EXISTING OFFICE SUITE 2510. WORK INCLUDES INTERIOR PARTITIONS, FINISHES, ELECTRICAL, MECHANICAL, AND PL | $1,047,234 |
| 100971637 | 2022-06-28 | Electrical | 410 N MICHIGAN AVE | SELF-CERT 2019 CBRC: INTERIOR ALTERATIOS TO EXISTING 9TH FLOOR OFFICE SPACE. NO CHANGE TO EXISTING USE. (OCCUPANCY B / CONSTRUCTION TYPE 1A) | $117,948 |
| 100960421 | 2022-06-08 | Electrical | 3549 N SHEFFIELD AVE | INSTALLATION OF NEW SIGN THAT READS "X-GOLF" "PLAY - TRAIN - ENTERTAIN" | $100 |
| 100959515 | 2022-04-15 | Electrical | 20 N CLARK ST | SELF-CERT 2019 CBRC: INTERIOR RENOVATION OF EXISTING OFFICE SUITE 300 INCLUDING DEMOLITION, NEW FINISHES, MECHANICAL, ELECTRICAL, PLUMBING. NO STRUCTURAL WORK. NO CHANGE IN USE- B | $208,750 |
| B100966734 | 2022-04-12 | Electrical | 3549 N SHEFFIELD AVE | CHANGE ELECTRICAL CONTRACTOR FROM JOHNSON ELECTRIC COMPANY TO KLASS ELECTRIC COMPANY | |
| 100948219 | 2022-04-01 | Electrical | 3549 N SHEFFIELD AVE | SC 2019 CBRC: INTERIOR REMODELING OF AN EXISTING VACANT MASONRY ONE-STORY AND TWO-STORY 7,976 SF BUILDING OF ASSEMBLY USE FOR A NEW X GOLF FACILITY. STRUCTURAL WORK IS PROPOSED TO | $1,000,000 |
| B100951809 | 2021-12-10 | Electrical | 8735 W HIGGINS RD | FURNISH AND INSTALL ALL ELECTRICAL TO ACCOMMODATE TWO (2) LIEBERT HVAC UNITS | $20,000 |
| B100948068 | 2021-12-07 | Electrical | 125 S WACKER DR | **FIRE ALARM PERMIT**ADDING NEW FIRE ALARM DEVICES TO THIS RENOVATED TENANT SPACE ON THE 15TH FLOOR | $5,400 |
| 100918612 | 2021-07-27 | Electrical | 125 S WACKER DR | SELF-CERT 2019 CBRC: INTERIOR RENOVATION OF EXISTING CORRIDORS, LOBBIES, AND RESTROOMS ON THE 12TH AND 13TH FLOORS. WORK INCLUDES INTERIOR PARTITIONS, FINISHES, ELECTRICAL, MECHANI | $509,835 |
| 100927245 | 2021-07-01 | Electrical | 222 W ADAMS ST | SELF-CERT 2019 CBRC: INTERIOR RENOVATION OF EXISTING OFFICE SUITE 1960 LOCATED ON THE 19TH FLOOR. WORK INCLUDES INTERIOR PARTITIONS, FINISHES, ELECTRICAL, PLUMBING AND MECHANICAL. | $250,000 |
| 100922831 | 2021-06-08 | Electrical | 125 S WACKER DR | SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS OF EXISTING UNOCCUPIED OFFICE FOR BUSINESS USE. REVISION TO PERMIT 100915927. (OCCUPANCY B; TYPE 1A CONSTRUCTION). | $87,570 |
| 100910489 | 2021-05-28 | Electrical | 427 S LA SALLE ST | SPR 2019 CBRC: INTERIOR ALTERATIONS AT THE BASEMENT LEVEL IN AN EXISTING OFFICE BUILDING TO REPLACE AN EXISTING UPS SYSTEM WITH A NEW UPS SYSTEM AS PER PLANS. (STRUCTURAL PEER REVI | $2,000,000 |
| 100922817 | 2021-05-26 | Electrical | 200 S WACKER DR | SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS TO RESTROOMS ON THE 38TH FLOOR AS PER PLANS. (EXISTING OCCUPANY B; CONSTRUCTION TYPE IA) | $120,000 |
| 100922818 | 2021-05-25 | Electrical | 200 S WACKER DR | SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS TO LOBBY, CORRIDORS, AND RESTROOMS ON THE 23RD FLOOR AS PER PLANS. (EXISTING OCCUPANCY GROUP B; CONSTRUCTION TYPE IA) | $150,000 |
| 100918805 | 2021-04-21 | Electrical | 222 S HALSTED ST | CHANGE CONTRACTORS ON PERMIT 100877517. GC TO ENGLEWOOD CONSTRUCTION, ELECTRICIAN TO KLASS ELECTRIC, HVAC TO JES MECHANICAL AND PLUMBER TO CARBONE PLUMBING. | $50,000 |
| 100915927 | 2021-04-12 | Electrical | 125 S WACKER DR | SELF-CERT 2019 CBRC: DEMOLITION OF OFFICE SUITE 1510, AN EXISTING COMMERCIAL OFFICE SPACE IN A COMMERCIAL HIGHRISE. NO CHANGE IN OCCUPANCY (OCCUPANCY GROUP B; TYPE 1A CONSTRUCTION) | $5,000 |
| B100910396 | 2021-03-30 | Electrical | 842 N MIES VAN DER ROHE WAY | **FIRE ALARM PERMIT**MODIFICATION OF AN EXISTING CITY OF CHICAGO APPROVED FIRE ALARM AND VOICE COMMUNICATION SYSTEM, PER CITY OF CHICAGO BUILDING CODE SECTION 13-76-050, TO ACCOMMO | $8,000 |
| 100908613 | 2021-03-17 | Electrical | 343 S DEARBORN ST | SELF CERT 2019 CBRC INTERIOR ALTERATIONS - EXISTING 7-11- RENOVATIONS DUE TO LAST YEAR'S LOOTING AND INTERIOR BREAK IN. | $195,000 |
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 →