COMPANY RECORD · CHICAGO, IL
Ductech, Inc. — permit history in Chicago, IL
Ductech, Inc. appears on 28 Chicago permit records from 2021 through 2026, most often mechanical / hvac (96.4% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 27 | 96.4% |
| General construction | 1 | 3.6% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 3 |
Busiest year on record: 2025, with 7 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 |
|---|---|---|
| Formed Space LLC | 6 | 2026-08-11 |
| E. Z. Masonry, Inc. | 5 | 2026-08-11 |
| Qb Construction Inc | 5 | 2023-10-20 |
| Daam Builds LLC | 3 | 2025-04-11 |
| Synergy Construction Group, LLC | 3 | 2024-10-01 |
| Property People LLC | 2 | 2022-09-26 |
| Ciesla Construction Inc. | 2 | 2025-12-10 |
| All Concrete Chicago Inc | 2 | 2022-09-26 |
| Ak Construction & Masonry | 1 | 2025-04-11 |
| Vik Remodel Inc | 1 | 2025-04-11 |
| Ursetta Development, Inc. | 1 | 2021-08-11 |
| Stone Circle Concrete, Inc | 1 | 2026-04-15 |
22 companies are named alongside Ductech, 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 |
|---|---|
| 3539 N HAMILTON AVE | 2026-08-11 |
| 4127 S BERKELEY AVE | 2026-06-18 |
| 2115 W POTOMAC AVE | 2026-04-15 |
| 1057 N LEAVITT ST | 2025-12-10 |
| 1843 W CHICAGO AVE | 2025-12-03 |
| 1646 N OAKLEY AVE | 2025-11-19 |
| 4520 N VIRGINIA AVE | 2025-10-02 |
| 5437 W GRACE ST | 2025-05-07 |
| 3130 N ROCKWELL ST | 2025-04-11 |
| 3535 N OSCEOLA AVE | 2025-04-11 |
| 2141 N CLARK ST | 2024-11-20 |
| 4122 W 26TH ST | 2024-10-01 |
| 5437 W MADISON ST | 2024-08-26 |
| 5135 N TRIPP AVE | 2024-05-24 |
27 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1 to $2,000,000, median $193,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
28 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101076019 | 2026-08-11 | Mechanical / HVAC | 3539 N HAMILTON AVE | SELF-CERT 2019 CBC WITH A STRUCTURAL PEER REVIEW.FULL BUILDING PERMIT FOR 2 STORY + BASEMENT SINGLE-FAMILY HOUSE WITH GARAGE CONNECTED BY ENCLOSED WALKWAY. SCOPE INCLUDES NEW ELECT | $1,800,000 |
| 101077066 | 2026-06-18 | Mechanical / HVAC | 4127 S BERKELEY AVE | SELF-CERTIFICATION: INTERIOR ALTERATIONS AND NEW WOOD MAIN ENTRANCE AND FRONT FACADE REFURBISHING TO AN EXISTING SINGLE FAMILY RESIDENCE.2.5 STORY BRICK SINGLE FAMILY RESIDENCE (EX | $125,000 |
| 101074814 | 2026-04-15 | Mechanical / HVAC | 2115 W POTOMAC AVE | SPR 2019 CBRC: CONVERSION OF AN EXISTING 2-STORY SINGLE-FAMILY DWELLING TO A 2-UNIT BUILDING COMPOSED OF A DUPLEX-UP AND BASEMENT LEVEL DWELLING UNIT. SCOPE INCLUDES A NEW MASONRY | $2,000,000 |
| 101073468 | 2025-12-10 | Mechanical / HVAC | 1057 N LEAVITT ST | SPR 2019 CBRC:RENOVATION AND DECONVERSION OF EXISTING 2 STORY WITH BASEMENT, REMOVE ILLEGAL BASEMENT UNIT, RELOCATE EXISTING 2ND FLOOR UNIT TO BASEMENT AND DUPLEX EXISTING 1ST FLOO | $900,000 |
| 101069181 | 2025-12-03 | Mechanical / HVAC | 1843 W CHICAGO AVE | SPR 2019 CBRC: INT. & EXT. RENO. FOR "ENAT RETAIL SALES" & "JOSEPHINE'S COFFEE SHOP" (OCCUPANCY B) AT EXIST. 1-STORY TYPE III-B CONSTRUCTION MASONRY BLDG. W/ (3) PARKING SPACES & N | $250,000 |
| 101073263 | 2025-11-19 | Mechanical / HVAC | 1646 N OAKLEY AVE | SPR 2019 CBRC: INTERIOR RENOVATION AND DECONVERSION OF 2-STORY EXISTING MASONRY TWO-FLAT TO SINGLE-FAMILY RESIDENCE. INCLUDES REMOVAL OF EXISTING REAR FRAME ADDITION AND FRAME BAY | $800,000 |
| 101071591 | 2025-10-02 | General construction | 4520 N VIRGINIA AVE | REVISION TO PERMIT #101052054 TO REVISE THE DEMOLITION PLAN TO REPRESENT THE COMPLETED DEMOLITION AND PROPOSED PLAN TO INCLUDE REPLACEMENT OF REAR YARD EXTERIOR WALL. | $100 |
| 101045920 | 2025-05-07 | Mechanical / HVAC | 5437 W GRACE ST | SPR 2019 CBRC - RENOVATION/ADDITION TO UPPER LEVEL OF SINGLE FAMILY RESIDENCE. PREVIOUS ATTIC LEVEL TO BE RENOVATED TO LIVING AREA WITH NEW WALL AND ROOF GABLE ADDITIONS.**CERTIFIE | $180,000 |
| 101067211 | 2025-04-11 | Mechanical / HVAC | 3130 N ROCKWELL ST | SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING KITCHEN IN EXISTING 1-STORY BUILDING AS PER PLANS. (OCCUPANCY GROUP A2; TYPE 3B CONSTRUCTION) | $162,500 |
| 101064130 | 2025-04-11 | Mechanical / HVAC | 3535 N OSCEOLA AVE | SELF-CERT 2019 CBRC: 2ND FLOOR FRAME ADDITION AND INTERIOR ALTERATIONS TO EXISTING 1-STORY BRICK BUILDING WITH BASEMENT SINGLE FAMILY HOME (OCCUPANCY GROUP R-2; TYPE VA CONSTRUCTIO | $186,000 |
| 101058177 | 2024-11-20 | Mechanical / HVAC | 2141 N CLARK ST | SC 2019 CBRC: INTERIOR REMODEL AND CONVERSION OF EXISTING 3 FLAT TO 2-FLAT (OCC. GRP. R-2; CONST. TYPE IIIB) EXISTING GARDEN UNIT TO REMAIN INTACT, NOT IN SCOPE OF WORK, CONVERT FR | $650,000 |
| 101057008 | 2024-10-01 | Mechanical / HVAC | 4122 W 26TH ST | SELF-CERT 2019 CBRC: ALTERATION AND BUILD OUT OF VACANT GROUND-LEVEL RETAIL SPACE FOR MEDICAL CLINIC IN 2-STORY BUILDING WITH 1 DWELLING UNIT - NO PARKING SPACES; NO WORK TO DWEL | $250,000 |
| 101056301 | 2024-08-26 | Mechanical / HVAC | 5437 W MADISON ST | SELF-CERT 2019 CBRC: ALTERATION AND BUILD OUT OF VACANT GROUND-LEVEL RETAIL SPACE FOR MEDICAL CLINIC IN 3-STORY BUILDING WITH 2 DWELLING UNITS - NO PARKING SPACES; NO WORK TO DWEL | $250,000 |
| 101048144 | 2024-05-24 | Mechanical / HVAC | 5135 N TRIPP AVE | SELF CERT CBRC2019 ERECT SECOND FLOOR REAR ADDITION TYPE VA ON 1 1/2 STORY SINGLE FAMILY TYPE 3B SINGLE FAMILY RESIDENCE. WORK TO INCLUDE MECHANICAL, ELECTRICAL, PLUMBING AND FINIS | $100,000 |
| 101047867 | 2024-04-19 | Mechanical / HVAC | 656 W RANDOLPH ST | SELF CERT 2019 CBC: FULL FLOOR TENANT IMPROVEMENT INCLUDING SELECTIVE DEMO, PARTITIONS ELECTRICAL, CEILING, MECHANICAL, PLUMBING, FINISHES AND LIFE SAFETY AS PER PLANS (B OCCUPANCY | $659,595 |
| 101039222 | 2024-03-08 | Mechanical / HVAC | 3144 W IRVING PARK RD | SELF-CERT 2019 CBRC: INTERIOR AND EXTERIOR ALTERATIONS TO EXISTING 2-STORY MASONRY MIXED USE (NEW RESTAURANT WITH NEW REAR AT GRADE TERRACE WITH SEATING & 2ND FLOOR RESIDENTIAL, 2- | $1 |
| 101037091 | 2023-10-30 | Mechanical / HVAC | 6552 S CHAMPLAIN AVE | CHANGE OF PLUMBING CONTRACTOR TO VIRAK INC,VENT CONTRACTOR TO DUCTECH INC PERIT #100955548. | $1,000 |
| 101027469 | 2023-10-20 | Mechanical / HVAC | 3641 W EDDY ST | SPR - 2019 CBRC - INTERIOR RENOVATION AT EXISTING 2-STORY SINGLE FAMILY FRAME BUILDING W/ BASEMENT (OCCUPANCY CLASS R-5, CONSTRUCTION TYPE VA) NO CHANGE IN BUILDING SIZE OR VOLUME | $80,000 |
| 101001966 | 2023-05-17 | Mechanical / HVAC | 2335 N MONTICELLO AVE | EXISTING SINGLE FAMILY REAR ADDITION (59 S.F.) WITH INTERIOR REMODEL PER PLANS | $220,000 |
| 101010559 | 2023-03-27 | Mechanical / HVAC | 816 N MAY ST | REVISION TO PERMIT#100862798 CHANGE HVAC CONTRACTOR TO DUCTECH INC. AND PLUMBING CONTRACTOR TO TOMASZ GODLEWSKI | $1 |
| 100997256 | 2022-11-22 | Mechanical / HVAC | 2335 N MONTICELLO AVE | REVISION TO PERMIT # 100957365 TO CHANGE VENT/REFRIG CONTRACTOR TO DUCTECH, INC. & PLUMBING CONTRACTOR TO FATHER & SONS PLUMBING & SEWER | $200,000 |
| 100956948 | 2022-09-29 | Mechanical / HVAC | 4541 S FORRESTVILLE AVE | RENOVATIONS TO A 3 STORY MASONRY 4 UNIT RESIDENTIAL BUILDING. WORK INCLUDES LIMITED DEMOLITION OF EXISTING FEATURES, NEW PARTITIONS, NEW AND RECONFIGURED PLUMBING AND ELECTRICAL, L | $500,000 |
| 100967342 | 2022-09-26 | Mechanical / HVAC | 3035 N SHEFFIELD AVE | SELF CERTIFICATION PROCESS, ERECT NEW 4 STORY 3 DWELLING UNIT BUILDING WITH ROOF DECK AND 3 CAR MASONRY GARAGE AND GARAGE ROOF DECK, CONSTRUCTION TYPE 3A AND SITE WORK AS PER PLANS | $904,200 |
| 100959552 | 2022-09-13 | Mechanical / HVAC | 2647 W SUPERIOR ST | SPR 2019 CBRC - REVISION TO PERMIT NUMBER: 100930078 FOR INTERIOR AND EXTERIOR ALTERATIONS TO EXISTING SINGLE FAMILY RESIDENCE, TO INCLUDE A NEW LOFT SPACE ON THE SECOND FLOOR WITH | $40,000 |
| 100971519 | 2022-08-02 | Mechanical / HVAC | 718 W BITTERSWEET PL | UNIT 1: INTERIOR REMODELING AND ALERATIONS TO AN EXISTING BASEMENT AND 1ST FLOOR DUPLEX APARTMENT IN A 3 STORY BRICK RESIDENTIAL CONDOMINIUM BUILDING AS PER PLANS. | $120,000 |
| 100965253 | 2022-04-01 | Mechanical / HVAC | 2818 N ROCKWELL ST | CHANGE PLUMBER TO BRODERICK AND SON, CHANGE BRICK MASON TO PROFUS CONSTRUCTION CHANGE HVAC TO DUCTECH, CHANGE CONCRETE MASON TO ALL CONCRETE CHICAGO CHANGE EXCAVATOR TO ALL CONCRET | $7,500 |
| 100905649 | 2021-08-11 | Mechanical / HVAC | 3247 S THROOP ST | SPR 2019 CBC PROPOSED 2 STORY FRAME & BRICK SINGLE FAMILY W/BASEMENT, REAR DECK & BALCONY AND NEW GARAGE AS PER PLAN **CERTIFIED PLANS CORRECTIONS: CONDITIONAL PERMIT SUBJECT TO FI | $600,000 |
| 100928963 | 2021-08-03 | Mechanical / HVAC | 7147 S UNIVERSITY AVE | INTERIOR & EXTERIOR RENOVATION TOEXISTING SINGLE FAMILY RESIDENCE | $100,000 |
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 →