COMPANY RECORD · CHICAGO, IL
Deerfield Construction Group — permit history in Chicago, IL
Deerfield Construction Group appears on 564 Chicago permit records from 2006 through 2026, most often electrical (95.4% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Electrical | 538 | 95.4% |
| General construction | 25 | 4.4% |
| Demolition | 1 | 0.18% |
3 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2006 | 8 |
| 2010 | 6 |
| 2011 | 4 |
| 2012 | 2 |
| 2015 | 3 |
| 2016 | 28 |
| 2017 | 79 |
| 2018 | 94 |
| 2019 | 174 |
| 2020 | 25 |
| 2021 | 77 |
| 2022 | 40 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 11 |
| 2026 | 4 |
Busiest year on record: 2019, with 174 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 |
|---|---|---|
| Balanced Electric Co. | 12 | 2011-06-21 |
| Lnk Technologies, LLC | 8 | 2016-09-14 |
| Eei, Inc | 3 | 2006-10-10 |
| Saturn Electrical Services, In | 1 | 2006-10-18 |
| Sullivan Electrical Contractor | 1 | 2006-01-13 |
5 companies are named alongside Deerfield Construction Group 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 |
|---|---|
| 340 E RANDOLPH ST | 2026-08-25 |
| 1055 W MADISON ST | 2026-07-31 |
| 811 W EVERGREEN AVE | 2026-04-29 |
| 8140 S HOYNE AVE | 2026-01-05 |
| 407 E 25TH ST | 2025-11-13 |
| 71 E WACKER DR | 2025-11-12 |
| 2111 W ROOSEVELT RD | 2025-07-28 |
| 5500 N ST LOUIS AVE | 2025-07-28 |
| 8045 S RACINE AVE | 2025-07-15 |
| 2835 N SHEFFIELD AVE | 2025-07-07 |
| 4001 N RAVENSWOOD AVE | 2025-06-05 |
| 1521 W SHERWIN AVE | 2025-06-02 |
| 112 S MICHIGAN AVE | 2025-05-06 |
| 180 N WACKER DR | 2025-04-21 |
270 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1 to $150,000, median $17,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
564 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| B200508309 | 2026-08-25 | Electrical | 340 E RANDOLPH ST | LOW VOLTAGE/COMMUNICATION ELECTRICAL WORK. INSTALL OTHER. SPECIFIC LOCATION: BASEMENT, UTILITY SHAFT, EQUIPMENT ROOM. | $14,615 |
| B200478938 | 2026-07-31 | Electrical | 1055 W MADISON ST | LINE VOLTAGE ELECTRICAL WORK. INSTALL PERMANENT-NOT REQUIRED BY CODE 150 KW DIESEL GENERATOR. RECEPTACLE OUTLETS: 0 . LIGHTING OUTLETS: 0. SPECIFIC LOCATION: EXISTING WIRELESS COMM | $15,000 |
| 101076518 | 2026-04-29 | Electrical | 811 W EVERGREEN AVE | COLOCATE AT&T'S TELECOMMUNCATION FACILITY - ANTENNAS ; RADIOS; ANCILLARY EQUIPMENT; CABINET ON NEW PLATFORM - ON ROOFTOP ; SEE CONSTRUCTION DRAWINGS FOR COMPLETE SCOPE OF WORK | $85,000 |
| B200454545 | 2026-01-05 | Electrical | 8140 S HOYNE AVE | DECOMMISSIONING / REMOVAL OF EXISTING COMMUNICATION EQUIPMENT. DECOMMISSIONING AND REMOVAL OF A WIRELESS SITE, INCLUDING COMPLETE REMOVAL OF ANTENNAS, EQUIPMENT, MOUNTS AND CABINE | $10,000 |
| B200450380 | 2025-11-13 | Electrical | 407 E 25TH ST | FOR PERMIT 101000848: REPLACEMENT ELECTRICAL CONTRACTOR. NEW CONTRACTOR(S) LISTED UNDER "OTHER APPLICANTS AND CONTRACTORS" ON PERMIT CERTIFICATE. | |
| B200449708 | 2025-11-12 | Electrical | 71 E WACKER DR | ALTERATION OF EXISTING COMMUNICATION EQUIPMENT. ALTERATION OF 0 BOXES AND EQUIPMENT ON 1 TOWERS / STRUCTURES. LOCATION: MODIFICATION-EXISTING ANTENNA FACILITY PER PLANS. | $50,000 |
| B200433244 | 2025-07-28 | Electrical | 2111 W ROOSEVELT RD | ALTERATION OF EXISTING COMMUNICATION EQUIPMENT. ALTERATION OF 0 BOXES AND EQUIPMENT ON 1 TOWERS / STRUCTURES. LOCATION: ANTENNA MOD/UPGRADE EXISTING CELL TOWER PER PLANS. | $50,000 |
| B200434376 | 2025-07-28 | Electrical | 5500 N ST LOUIS AVE | ALTERATION OF EXISTING COMMUNICATION EQUIPMENT. ALTERATION OF 0 BOXES AND EQUIPMENT ON 1 TOWERS / STRUCTURES. LOCATION: MODIFICATION TO EXISTING ANTENNA ON ROOF PER PLANS. | $50,000 |
| B200433842 | 2025-07-15 | Electrical | 8045 S RACINE AVE | LINE VOLTAGE ELECTRICAL WORK. NEW PERMANENT 200 AMP SERVICE DISCONNECTING MEANS WITH 2 CIRCUITS. RECEPTACLE OUTLETS: 1 . LIGHTING OUTLETS: 0. SPECIFIC LOCATION: GENERATOR SWAP W/IN | $40,000 |
| B200431767 | 2025-07-07 | Electrical | 2835 N SHEFFIELD AVE | ALTERATION OF EXISTING COMMUNICATION EQUIPMENT. ALTERATION OF 0 BOXES AND EQUIPMENT ON 1 TOWERS / STRUCTURES. LOCATION: EXISTING ROOFTOP ANTENNA MODIFICATION PER PLANS. | $50,000 |
| B200427147 | 2025-06-05 | Electrical | 4001 N RAVENSWOOD AVE | ALTERATION OF EXISTING COMMUNICATION EQUIPMENT. ALTERATION OF 0 BOXES AND EQUIPMENT ON 1 TOWERS / STRUCTURES. LOCATION: EXISTING ANTENNA MODIFICATION PER PLANS ON ROOF. | $50,000 |
| B200427550 | 2025-06-02 | Electrical | 1521 W SHERWIN AVE | FOR PERMIT B200403757: REPLACEMENT GENERAL CONTRACTOR. REPLACEMENT ELECTRICAL CONTRACTOR. NEW CONTRACTOR(S) LISTED UNDER "OTHER APPLICANTS AND CONTRACTORS" ON PERMIT CERTIFICATE. | |
| B200423708 | 2025-05-06 | Electrical | 112 S MICHIGAN AVE | ALTERATION OF EXISTING COMMUNICATION EQUIPMENT. ALTERATION OF 0 BOXES AND EQUIPMENT ON 1 TOWERS / STRUCTURES. LOCATION: MODIFICATION TO ANTENNAS AT EXISTING PER PLANS. | $50,000 |
| B200421962 | 2025-04-21 | Electrical | 180 N WACKER DR | ALTERATION OF EXISTING COMMUNICATION EQUIPMENT. ALTERATION OF 0 BOXES AND EQUIPMENT ON 1 TOWERS / STRUCTURES. LOCATION: MODIFICATION TO EXISTING ANTENNA PER PLANS ON ROOF. | $40,000 |
| B200410808 | 2025-01-21 | Electrical | 211 E OHIO ST | ALTERATION OF EXISTING COMMUNICATION EQUIPMENT. ALTERATION OF 0 BOXES AND EQUIPMENT ON 1 TOWERS / STRUCTURES. LOCATION: REVISION TO EXISTING PERMIT 101060083 12 COAX. | $25,000 |
| 101060083 | 2024-11-20 | Electrical | 211 E OHIO ST | PROPOSED ANTENNA MODIFICATION TO EXISTING COMMUNICATIONS EQUIPMENT (MODIFICATION OF EXISTING SITE PER PLANS) | $45,000 |
| B200023118 | 2024-07-17 | Electrical | 2814 N CALIFORNIA AVE | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 3 OTHER COOLING EQUIPMENT(AIRSYS, UNICOOL, GRADE) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 NON-RESI | $150,000 |
| B200021125 | 2024-07-16 | Electrical | 600 E GRAND AVE | ALTERATION OF EXISTING COMMUNICATION EQUIPMENT. ALTERATION OF 2 BOXES AND EQUIPMENT ON 1 TOWERS / STRUCTURES. LOCATION: ROOF TOP COLOCATION EXISTING ANTENNA SWAP. | $50,000 |
| B200023059 | 2024-07-16 | Electrical | 1055 W MADISON ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 3 OTHER COOLING EQUIPMENT(AIRSYS, UNICOOL, GRADE EQUIPMENT SHELTER) . ELECTRICAL WORK UNDER THIS PERMIT = YES . LOCATIONS: 0 RESIDENTIAL | $150,000 |
| 101022304 | 2024-03-25 | Electrical | 732 W RANDOLPH ST | VERIZON WIRELESS RE-INSTALL OF EXISTING ANTENNA SECTOR DUE TO CX TO PENTHOUSE PER PLANS. 732 W RANDOLPH 126795. | $60,000 |
| B101030736 | 2023-09-07 | Electrical | 130 S CANAL ST | SWAP OUT EXISTING AT&T POWER PLANT CABINET WITH A NEW AT&T POWER PLANT CABINET ON EXISTING CELL SITE. | $40,000 |
| B101020737 | 2023-06-15 | Electrical | 720 W RANDOLPH ST | EXISTING VERIZON WIRELESS ANTENNAS TO BE RELOCATED ON EXISTING BUILDING. | $60,000 |
| B101013415 | 2023-04-19 | Electrical | 10 S LA SALLE ST | RECEIVE AND INSTALL ONE (1) GXT5 20KMVRT6UXL UPS WITH MBC. O EQUIPMENT PROVIDED BY OTHERS O RACK MOUNT UPS AND MBC RACK AND RACK MOUNT KIT PROVIDED BY OTHERS) O UPS STARTUP BY OTHE | $10,000 |
| B101010877 | 2023-03-29 | Electrical | 10 S LA SALLE ST | RECEIVE AND INSTALL ONE (1) GXT5 20KMVRT6UXL UPS WITH MBC. O EQUIPMENT PROVIDED BY OTHERS O RACK MOUNT UPS AND MBC RACK AND RACK MOUNT KIT PROVIDED BY OTHERS) O UPS STARTUP BY OTHE | $10,000 |
| 101000847 | 2022-12-29 | Electrical | 505 N SACRAMENTO BLVD | EXISTING PERMIT 100838988 - EXPIRED N/C TO SOW OR DRAWINGS ORIGINALLY PERMITTED (CHANGE TO GC/EC) - VERIZON WIRELESS PROPOSED ANTENNA INSTALLATION ON EXISTING SMOKE STACK TO INCLUD | $75,000 |
| 101000848 | 2022-12-29 | Electrical | 407 E 25TH ST | REPLACEMENT PER PLANS - VERIZON WIRELESS SWAPPING GENERATOR ON GROUND PER PLANS AND EQUIPMENT UPGRADE TO EXISTING SITE IN LEASE AREA. VZW - 167163 , ASTINS1737988 TANK PERMIT UPLOA | $75,000 |
| B100991096 | 2022-10-04 | Electrical | 5725 W DIVISION ST | 1. INSTALLATION OF NEW 48KW GENERAC RD048 GENERATOR W/ 211 GALLON DIESEL TANK. 2. INSTALLATION OF NEW ATS. 3. INSTALLATION OF NEW 4'-0" X 10'-0" CONCRETE PAD. ALL ACCORDING TO CON | $40,000 |
| 100983007 | 2022-08-23 | Electrical | 730 W RANDOLPH ST | VERIZON WIRELESS REMOVING 9 ANTENNAS, 9 RRU, 3 OVP BOXES, 6 CABLES, REPLACING WITH 8 COMMSCOPE ANTENNAS, 2 KRE105281 INTERGRADED RADIOS, 6 RRUS, 5 CABLES/FILTER AND ROUTINE MAINTEN | $40,000 |
| 100983733 | 2022-08-18 | Electrical | 360 W ILLINOIS ST | SPR 2019 CBRC: REPLACE EXISTING WIRELESS ANTENNAS. REMOVE 8 ANTENNA(S) AND 3 RRU(S) WITH ASSOCIATED EQUIPMENT AND WIRING. RELOCATE 6 RRU(S) FROM SHELTER. INSTALL 13 ANTENNA(S) AN | $50,000 |
| 100984032 | 2022-08-12 | Electrical | 3527 S WALLACE ST | T-MOBILE REINSTALLING ANTENNAS TO CPS ROOF/CHIMNEY PER PLANS. (CPS SCHOOL MCCLELLAN ELEMENTARY CH72052F) | $50,000 |
| 100981850 | 2022-08-11 | Electrical | 11137 S VINCENNES AVE | DE-COMMISSION OF CLEARWIRE/SPRINT ANTENNAS, CABLING,EQUIPMENT SHELTER, PLATFORM, ASSOCIATED CONTENTS AND COMPONENTS. | $22,800 |
| 100983538 | 2022-08-09 | Electrical | 2111 W ROOSEVELT RD | ANTENNA AND RADIO REPLACEMENT. NO CHANGE TO USE OR HEIGHT. PREVIOUS PERMIT 100949074. VERIZON SITE FBI. | $25,000 |
| B100983408 | 2022-08-08 | Electrical | 360 W ILLINOIS ST | REMOVE/REPLACE RADIOS AND OTHER SUPPORTING VERIZON WIRELESS EQUIPMENT ON ROOFTOP ON EXISTING CELLULAR SITE. | $40,000 |
| B100982875 | 2022-08-08 | Electrical | 730 W RANDOLPH ST | CHANGE OUT EXISTING VERIZON WIRELESS ANTENNAS WITH NEW VERIZON WIRELESS ANTENNAS ON EXISTING CELLULAR SITE. | $40,000 |
| B100982868 | 2022-08-03 | Electrical | 3527 S WALLACE ST | REPLACEMENT OF ANTENNAS, RADIOS, AND OTHER SUPPORTING EQUIPMENT ON AN EXISTING T-MOBILE CELLULAR SITE. | $40,000 |
| B100978319 | 2022-06-30 | Electrical | 2111 W ROOSEVELT RD | JCHANGE OUT OLD VERIZON ANTENNAS ON EXISTING CELL TOWER WITH NEW VERIZON ANTENNAS. | $40,000 |
| 100976944 | 2022-06-21 | Electrical | 130 E RANDOLPH ST | REVISION TO PERMIT#100956382 CHANGE GC TO DEERFIELD CONSTRUCTION GROUP. | $20,000 |
| 100976941 | 2022-06-21 | Electrical | 730 W LAKE ST | REVISION TO PERMIT#100951008 CHANGE GC TO DEERFIELD CONSTRUCTION GROUP | $20,000 |
| 100971555 | 2022-06-14 | Electrical | 211 E OHIO ST | ANTENNA AND RADIO REPLACEMENT. NO CHANGE TO USE OR HEIGHT. PREVIOUS PERMIT 100932899. VERIZON CH GRNDOHIO_HD. | $20,000 |
| 100975345 | 2022-06-10 | Electrical | 3527 S WALLACE ST | T-MOBILE TEMPORARILY RELOCATING ANTENNAS TO A TEMP COW/COLT PER PLANS AND REINSTALLING TO CHIMNEY/ROOF WHEN ROOF WORK IS COMPLETE. (CPS SCHOOL MCCLELLAN ELEMENTARY) | $50,000 |
| 100975034 | 2022-06-08 | Electrical | 720 W RANDOLPH ST | VERIZON WIRELESS TEMP RELOCATION OF ANTENNA SECTOR DUE TO CX, SEPARATE PERMIT TO BE PULLED FOR REINSTALLATION. VZW - 730 W RANDOLPH #639914. | $40,000 |
| B100974526 | 2022-06-02 | Electrical | 720 W RANDOLPH ST | RELOCATE VERIZON WIRELESS EXISTING ANTENNAS ON AN EXISTING BUILDING. ONLY ON GAMMA SECTOR. | $20,000 |
| 100972656 | 2022-05-20 | Electrical | 1055 W MADISON ST | SPR 2019 CBRC: REPLACE EXISTING WIRELESS ANTENNAS. REMOVE 7ANTENNA(S), 6 RRH(S) AND 3 SECTOR MOUNTS WITH ASSOCIATED TOWER/GROUND EQUIPMENT AND WIRING. INSTALL 6 ANTENNA(S), 6 RRH(S | $50,000 |
| B100972586 | 2022-05-19 | Electrical | 1055 W MADISON ST | INSTALL NEW ANTENNAS AND RADIOS ON AN EXISTING T-MOBILE CELL TOWER LOCATED AT 1055-1057 W. MADISON ST.,CHICAGO, IL 60607. | $40,000 |
| B100972564 | 2022-05-19 | Electrical | 3527 S WALLACE ST | T-MOBILE TEMPORARILY RELOCATING ANTENNAS TO A TEMP COW/COLT PER PLANS AND REINSTALLING TO CHIMNEY/ROOF WHEN ROOF WORK IS COMPLETE. | $40,000 |
| 100971131 | 2022-05-16 | Electrical | 4741 S DAMEN AVE | ANTENNA AND RADIO REPLACEMENT. NO CHANGE TO USE OR HEIGHT. PREVIOUS PERMIT 100718186. T-MOBILE SITE CH92160A. | $20,000 |
| 100969842 | 2022-05-03 | Electrical | 7177 W ARMITAGE AVE | INSTALL NEW NICOR EQUIPMENT AT GRADE WITHIN EXISTING COMPOUND & INSTALL NEW NICOR ANTENNA ON EXISTING TOWER. | $42,000 |
| 100969085 | 2022-04-28 | Electrical | 3125 N MILWAUKEE AVE | VERIZON WIRELESS REMOVING/DECOMMISSIONING AN ANTENNA SECTOR AND RELOCATING THE ANTENNAS PER PLANS, TO INCLUDE ROUTINE MAINTENANCE WORK AS NEEDED. MILWAUKEE, BELMONT AND PULASKI #1 | $50,000 |
| B100968982 | 2022-04-26 | Electrical | 4741 S DAMEN AVE | REMOVE/REPLACE OLD T-MOBILE ANTENNAS AND OTHER ANCILLARY T-MOBILE EQUIPMENT ON EXISTING ROOFTOP CELLULAR SITE. | $40,000 |
| B100968970 | 2022-04-26 | Electrical | 130 E RANDOLPH ST | REMOVE/REPLACE VERIZON WIRELESS ANTENNAS WITH NEW VERIZON WIRELESS ANTENNAS AT EXISTING CELLULAR SITE. | $40,000 |
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 →