COMPANY RECORD · CHICAGO, IL
Ion Developer LLC — permit history in Chicago, IL
Ion Developer LLC appears on 148 Chicago permit records from 2024 through 2026, all of them general construction.
Permit categories
| Category | Permits | Share |
|---|---|---|
| General construction | 148 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2024 | 31 |
| 2025 | 76 |
| 2026 | 41 |
Busiest year on record: 2025, with 76 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 |
|---|---|---|
| Hofherr Matthew | 106 | 2025-12-08 |
| Ion Developer | 42 | 2026-08-28 |
2 companies are named alongside Ion Developer LLC 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 |
|---|---|
| 10805 S SANGAMON ST | 2026-08-28 |
| 7515 N OCONTO AVE | 2026-08-06 |
| 1404 N LOREL AVE | 2026-07-30 |
| 2839 N HAMLIN AVE | 2026-07-28 |
| 2857 S ST LOUIS AVE | 2026-07-22 |
| 12655 S LOWE AVE | 2026-07-16 |
| 4942 W AINSLIE ST | 2026-07-16 |
| 9651 S WINCHESTER AVE | 2026-07-10 |
| 7333 S CALIFORNIA AVE | 2026-06-30 |
| 2541 W 77TH ST | 2026-06-30 |
| 2852 S ST LOUIS AVE | 2026-06-30 |
| 2818 E 76TH PL | 2026-06-30 |
| 5445 W RACE AVE | 2026-06-29 |
| 1712 W 91ST ST | 2026-06-22 |
108 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $50 to $13,244, median $4,928. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
148 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| B200507057 | 2026-08-28 | General construction | 10805 S SANGAMON ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 7.6 KW. ARRAY OUTPUT: 0.01232 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $8,624 |
| B200479796 | 2026-08-06 | General construction | 7515 N OCONTO AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 1.45 KW. ARRAY OUTPUT: 0.00731 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATI | $5,117 |
| B200478996 | 2026-07-30 | General construction | 1404 N LOREL AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 3.8 KW. ARRAY OUTPUT: 0.00528 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $3,696 |
| B200478612 | 2026-07-28 | General construction | 2839 N HAMLIN AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 0.32 KW. ARRAY OUTPUT: 0.00264 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERA | $1,848 |
| B200478645 | 2026-07-28 | General construction | 2839 N HAMLIN AVE | INSTALL SOLAR PANELS ON ROOF OF ACCESSORY BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 0.32 KW. ARRAY OUTPUT: 0.00264 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERA | $1,848 |
| B200478634 | 2026-07-28 | General construction | 2839 N HAMLIN AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 0.32 KW. ARRAY OUTPUT: 0.00264 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERA | $1,848 |
| B200478621 | 2026-07-28 | General construction | 2839 N HAMLIN AVE | INSTALL SOLAR PANELS ON ROOF OF ACCESSORY BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 0.32 KW. ARRAY OUTPUT: 0.00264 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERA | $1,848 |
| B200476231 | 2026-07-22 | General construction | 2857 S ST LOUIS AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.00748 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INST | $5,236 |
| B200477664 | 2026-07-16 | General construction | 12655 S LOWE AVE | INSTALL SOLAR PANELS ON ROOF OF ACCESSORY BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 11.5 KW. ARRAY OUTPUT: 0.00645 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. | $4,515 |
| B200477645 | 2026-07-16 | General construction | 12655 S LOWE AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 11.5 KW. ARRAY OUTPUT: 0.00645 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. | $4,515 |
| B200473392 | 2026-07-16 | General construction | 4942 W AINSLIE ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.0066 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATION | $4,620 |
| B200473396 | 2026-07-16 | General construction | 4942 W AINSLIE ST | INSTALL SOLAR PANELS ON ROOF OF ACCESSORY BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.0066 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INSTA | $4,620 |
| B200475718 | 2026-07-10 | General construction | 9651 S WINCHESTER AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 10 KW. ARRAY OUTPUT: 0.01892 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. | $13,244 |
| B200474785 | 2026-06-30 | General construction | 7333 S CALIFORNIA AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 3.8 KW. ARRAY OUTPUT: 0.0044 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATI | $3,080 |
| B200473960 | 2026-06-30 | General construction | 2541 W 77TH ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.0066 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATION | $4,620 |
| B200474152 | 2026-06-30 | General construction | 2852 S ST LOUIS AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.0088 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INSTA | $6,160 |
| B200474171 | 2026-06-30 | General construction | 2818 E 76TH PL | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.00792 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $5,544 |
| B200471258 | 2026-06-29 | General construction | 5445 W RACE AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 7.6 KW. ARRAY OUTPUT: 0.01188 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $8,316 |
| B200473382 | 2026-06-22 | General construction | 1712 W 91ST ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 7.6 KW. ARRAY OUTPUT: 0.01056 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $7,392 |
| B200473331 | 2026-06-18 | General construction | 7009 S HONORE ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 3.8 KW. ARRAY OUTPUT: 0.00396 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $2,772 |
| B200469014 | 2026-06-16 | General construction | 4819 W ROSEMONT AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 7.6 KW. ARRAY OUTPUT: 0.00924 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERAT | $6,468 |
| B200469429 | 2026-05-19 | General construction | 9651 S WINCHESTER AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 10 KW. ARRAY OUTPUT: 0.01892 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATION | $13,244 |
| B200469026 | 2026-05-13 | General construction | 6439 N TALMAN AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.00792 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $5,544 |
| B200465261 | 2026-04-14 | General construction | 1735 N MOODY AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.00704 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INST | $4,928 |
| B200463903 | 2026-03-31 | General construction | 5813 S CARPENTER ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 7.6 KW. ARRAY OUTPUT: 0.00924 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INST | $6,468 |
| B200463741 | 2026-03-30 | General construction | 5445 W RACE AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 7.6 KW. ARRAY OUTPUT: 0.01232 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $8,624 |
| B200463758 | 2026-03-30 | General construction | 9651 S WINCHESTER AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 10 KW. ARRAY OUTPUT: 0.01496 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. | $10,472 |
| B200462082 | 2026-03-23 | General construction | 5348 W ARGYLE ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 0.48 KW. ARRAY OUTPUT: 0.01672 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATI | $11,704 |
| B200461886 | 2026-03-16 | General construction | 3544 W 75TH PL | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 3.8 KW. ARRAY OUTPUT: 0.00528 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. | $3,696 |
| B200460544 | 2026-03-06 | General construction | 6439 N TALMAN AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.00792 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $5,544 |
| B200460381 | 2026-02-27 | General construction | 4819 W ROSEMONT AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 0.32 KW. ARRAY OUTPUT: 0.00924 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERA | $6,468 |
| B200459649 | 2026-02-24 | General construction | 4359 S WELLS ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 11.5 KW. ARRAY OUTPUT: 8.8 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATION: | $6,160 |
| B200459315 | 2026-02-23 | General construction | 5813 S CARPENTER ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.00616 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INST | $4,312 |
| B200457556 | 2026-02-03 | General construction | 2818 E 76TH PL | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.00792 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $5,544 |
| B200456718 | 2026-01-30 | General construction | 2854 W HARRISON ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.0066 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATI | $4,620 |
| B200455659 | 2026-01-30 | General construction | 1454 E 63RD ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.0088 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATI | $6,160 |
| B200453104 | 2026-01-23 | General construction | 223 N SACRAMENTO BLVD | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.0088 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INSTA | $6,160 |
| B200453209 | 2026-01-23 | General construction | 1336 N ROCKWELL ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 11.5 KW. ARRAY OUTPUT: 0.00645 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. | $4,515 |
| B200453264 | 2026-01-23 | General construction | 8100 S MORGAN ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 0.32 KW. ARRAY OUTPUT: 0.0043 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INST | $3,010 |
| B200454949 | 2026-01-13 | General construction | 1404 N LOREL AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 3.8 KW. ARRAY OUTPUT: 0.00528 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $3,696 |
| B200454945 | 2026-01-13 | General construction | 5534 S MASSASOIT AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.0066 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATI | $4,620 |
| B200450310 | 2025-12-23 | General construction | 3138 S CALUMET AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: LOW-SLOPED (<2:12). INVERTER OUTPUT: 11.5 KW. ARRAY OUTPUT: 0.00968 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. L | $6,776 |
| B200452773 | 2025-12-08 | General construction | 1823 N KEDVALE AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 0.32 KW. ARRAY OUTPUT: 0.0043 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INST | $3,010 |
| B200451265 | 2025-12-01 | General construction | 2854 W HARRISON ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.0066 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATI | $4,620 |
| B200446726 | 2025-12-01 | General construction | 4531 N TROY ST | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: LOW-SLOPED (<2:12). INVERTER OUTPUT: 11.5 KW. ARRAY OUTPUT: 0.0132 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LO | $9,240 |
| B200450014 | 2025-11-13 | General construction | 1914 N SPRINGFIELD AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: SLOPED (2:12 TO 5:12). INVERTER OUTPUT: 11.5 KW. ARRAY OUTPUT: 0.0066 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. | $4,620 |
| B200448781 | 2025-11-11 | General construction | 6351 N OKETO AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 7.6 KW. ARRAY OUTPUT: 0.01452 KW. INCLUDES 11.5 KWH ENERGY STORAGE SYSTEM. LOCATIO | $10,164 |
| B200448848 | 2025-11-07 | General construction | 7333 S CALIFORNIA AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 3.8 KW. ARRAY OUTPUT: 0.0044 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INSTA | $4,928 |
| B200448802 | 2025-11-07 | General construction | 6351 N OKETO AVE | INSTALL SOLAR PANELS ON ROOF OF ACCESSORY BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 7.6 KW. ARRAY OUTPUT: 0.01452 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INST | $10,164 |
| B200448829 | 2025-11-07 | General construction | 2857 S ST LOUIS AVE | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). INVERTER OUTPUT: 5.7 KW. ARRAY OUTPUT: 0.00748 KW. LOCATION: ROOFTOP. ICC DISTRIBUTED GENERATION INST | $5,236 |
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 →