COMPANY RECORD · CHICAGO, IL
Dw Hammer LLC — permit history in Chicago, IL
Dw Hammer LLC appears on 77 Chicago permit records from 2016 through 2026, all of them general construction.
Permit categories
| Category | Permits | Share |
|---|---|---|
| General construction | 77 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 12 |
| 2026 | 2 |
Busiest year on record: 2025, with 12 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 |
|---|---|---|
| Ewing-Doherty Mechanical, Inc | 29 | 2026-04-06 |
| Kelso-Burnett Co. | 25 | 2026-05-18 |
| F.E. Moran Inc | 14 | 2025-09-26 |
| G S Electric | 13 | 2025-10-30 |
| Titan Electric LLC | 8 | 2022-02-17 |
| Great Lakes Plumbing & Heating | 7 | 2022-07-01 |
| Summit Mechanical Group | 6 | 2025-06-17 |
| Fe Moran | 6 | 2025-09-26 |
| Carrier Commercial Service | 5 | 2020-06-03 |
| Admiral Heating Vent | 5 | 2019-09-26 |
| Great Lakes Plumbing | 5 | 2022-09-26 |
| Maron Electric Company | 4 | 2022-06-10 |
35 companies are named alongside Dw Hammer 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 |
|---|---|
| 1 E WACKER DR | 2026-05-18 |
| 626 N MICHIGAN AVE | 2025-12-19 |
| 60 E RANDOLPH ST | 2025-11-03 |
| 155 N WACKER DR | 2025-10-30 |
| 333 W WACKER DR | 2025-09-26 |
| 77 W WACKER DR | 2025-09-16 |
| 4618 N BROADWAY | 2025-02-19 |
| 980 N MICHIGAN AVE | 2024-07-10 |
| 540 W MADISON ST | 2024-06-27 |
| 630 N MICHIGAN AVE | 2024-03-27 |
| 636 N MICHIGAN AVE | 2022-12-19 |
| 600 W FULTON ST | 2022-09-26 |
| 141 W JACKSON BLVD | 2022-09-26 |
| 201 N CLARK ST | 2022-07-01 |
30 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1 to $7,500,000, median $250,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
77 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101081155 | 2026-05-18 | General construction | 1 E WACKER DR | SELF-CERT 2019 CBRC: ALTERATIONS OF EXISTING VACANT GROUND FLOOR RETAIL SUITE INCLUDING PARTIAL DEMOLITION OF EXISTING NON-LOAD BEARING FACADE ELEMENTS AND CONSTRUCTION OF NEW GLAZ | $500,000 |
| 101077777 | 2026-04-06 | General construction | 1 E WACKER DR | SELF-CERT 2019 CBRC: ALTERATIONS / INTERIOR DEMOLITION OF EXISTING RESTAURANT SPACE AT GRADE TO WHITE BOX SHELL INCLUDING REMOVAL OF EXISTING PARTITIONS, MILLWORK, AND ASSOCIATED P | $100,000 |
| 101076098 | 2025-12-19 | General construction | 626 N MICHIGAN AVE | SC 2019 CBRC: EXTERIOR ALTERATIONS TO EXISTING CANOPY ENTRANCE AT THE WOMEN'S ATHLETIC CLUB. WORK TO INCLUDE ELECTRICAL AND MECHANICAL AT EXTERIOR AND MINOR ASSOCIATED INTERIOR WO | $255,000 |
| B200448735 | 2025-11-03 | General construction | 60 E RANDOLPH ST | NEW HEAT PUMP OR REFRIGERATION EQUIP., ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 NON-RESIDENTIAL UNIT(S), 1 INTERIOR COMMON AREAS, 1ST FLOOR RET | $100,000 |
| B200446220 | 2025-10-30 | General construction | 155 N WACKER DR | .SCOPE: NONSTRUCTURAL INTERIOR ALTERATION TO EXISTING CONFERENCE ROOM TO CONVERT TO (3) THREE OFFICES WITH ELECTRICAL AND MECHANICAL WORK. LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 NON-R | $127,825 |
| B200446232 | 2025-10-23 | General construction | 155 N WACKER DR | SCOPE: NONSTRUCTURAL INTERIOR ALTERATION TO EXITING CONFERENCE ROOM TO COVERT INTO (2) TWO OFFICES WITH ASSOCIATED ELECTRICAL AND MECHANICAL WORK. LOCATIONS: 0 RESIDENTIAL UNIT(S), | $127,825 |
| 101068502 | 2025-09-26 | General construction | 333 W WACKER DR | SPR 2019: REMOVE AND REPLACE AN EXISTING 800KW LIFE SAFETY GENERATOR TO INCLUDE HVAC AND ELECTRICAL DISTRIBUTION PANEL UPGRADES IN THE EXISTING LL2 GENERATOR ROOM AS PER PLANS. NOT | $1,000,000 |
| 101071308 | 2025-09-16 | General construction | 77 W WACKER DR | SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING MEZZANINE LEVEL IN AN EXISTING HIGHRISE BUILDING TO INCLUDE NEW WASHER AND DRYER ALONG WITH ASSOCIATED MEP MODIFICATIONS. NO C | $25,000 |
| 101070640 | 2025-08-05 | General construction | 1 E WACKER DR | SELF-CERT 2019 CBRC: REPLACEMENT OF MECHANICAL EQUIPMENT AND STRUCTURAL ALTERATIONS AT EXISTING ROOFS OVER LEVEL 1 AND LEVEL 2. (OCCUPANCY GROUP A-2 - ASSEMBLY; TYPE IA CONSTRUCTIO | $300,000 |
| 101069633 | 2025-06-17 | General construction | 77 W WACKER DR | SELF-CERT: INTERIOR RENOVATION TO REMOVE AND REPLACE CHILLERS IN AN EXISTING MECHANICAL ROOM ON THE 20TH FLOOR OFFICE SPACE AS PER PLANS. (B-BUSINESS OCCUPANCY; IA CONSTRUCTION) | $7,000,000 |
| 101066303 | 2025-04-18 | General construction | 1 E WACKER DR | SELF-CERT 2019 CBRC: ALTERATIONS OF EXISTING VACANT GROUND LEVEL RETAIL SUITE. INTERIORS WORK ONLY. (OCCUPANCY GROUP M; TYPE IA CONSTRUCTION) *NO VENT OR PLBG. SCOPE* | $100,000 |
| 101063614 | 2025-04-15 | General construction | 77 W WACKER DR | SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 5TH FLOOR OFFICE SPACE. SCOPE TO INCLUDE FULL FLOOR BUILDOUT OF TWO OFFICE SUITES AND TENANT AMENITY FITNESS CENTER & RENOVATI | $700,000 |
| 101065026 | 2025-04-08 | General construction | 77 W WACKER DR | DDS 2019 CBRC: INTERIOR ALTERATIONS TO 6TH FLOOR OFFICE SPACE FOR A NEW TENANT AMENITY CENTER. WORK TO INCLUDE DEMO, NEW PARTITIONS, MECHANICAL, ELECTRICAL AND PLUMBING AS PER PLAN | $900,000 |
| 101045847 | 2025-02-19 | General construction | 4618 N BROADWAY | SPR 2019 CBRC INTERIOR AND EXTERIOR ALTERATION OF BASEMENT AND FIRST FLOOR WITHIN EXISTING SINGLE-STORY BUILDING, PLUS MULTIPLE BUILDING ADDITIONS AND NEW TRASH ENCLOSURE, FOR A NE | $4,800,000 |
| 101052492 | 2024-07-10 | General construction | 980 N MICHIGAN AVE | SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS TO OFFICE SUITE 1086. WORK TO INCLUDE DEMO, NEW PARTITIONS, MECHANICAL, ELECTRICAL AND PLUMBING AS PER PLANS. B-BUSINESS. 1A CONSTRUCTION. | $900,000 |
| B200020247 | 2024-06-27 | General construction | 540 W MADISON ST | SCOPE: NONSTRUCTURAL INTERIOR REMOVAL OF MEN'S AND WOMEN'S RESTROOMS ON EACH FLOOR, REMOVE ABANDONED HVAC EQUIPMENT, DUCT WORK, ELECTRICAL, REMOVE ABANDONED PLUMBING EQUIPMENT, VAL | $75,000 |
| B200011129 | 2024-03-27 | General construction | 630 N MICHIGAN AVE | REVISION TO PERMIT #101042105.TO CHANGE OF GC , ELECTRCAL CONTRACTOR. | |
| B200004893 | 2024-01-25 | General construction | 155 N WACKER DR | SCOPE: INSTALLATION OF COSMETIC WALL FINISHES AND AUDIO VISUAL UPGRADES TO FIVE OFFICES AND ONE CONFERENCE ROOM, REPLACEMENT OF TWO FAN POWER BOXES IN CONFERENCE ROOM. LOCATIONS: 0 | $75,000 |
| B200005781 | 2024-01-10 | General construction | 77 W WACKER DR | REPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 1 OTHER AIR HANDLING EQUIPMENT(UNITED COOL AIR, VZWD60G4DTAB-A, MEZZANINE ROOM) 1 OTHER COOLING EQUIPMENT(UNITED COOL AIR, VZWD60G4DTAB- | $600,000 |
| 101039254 | 2023-12-20 | General construction | 77 W WACKER DR | SELF-CERT 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 6TH AND 28TH FLOOR RESTROOMS & EXISTING 40TH FLOOR ELEVATOR LOBBY AND CORRIDOR - BASE BUILDING WORK. NO CHANGE TO EXISTING USE | $426,400 |
| 101024829 | 2023-07-21 | General construction | 155 N WACKER DR | SELF CERT 2019 CBRC: INTERIOR ALTERATIONS TO 11TH FLOOR OFFICE SPACE. WORK TO INCLUDE DEMO, NEW NON LOAD BEARING PARTITIONS, PLUMBING, ELECTRICAL AND MECHANICAL WORK AS PER PLANS. | $700,000 |
| 101019082 | 2023-06-16 | General construction | 155 N WACKER DR | SELF-CERT 2019 CBRC: INTERIOR TENANT ALTERATIONS TO MARSH MCLENNAN SPACE ON LEVELS 12, 14 & 15. WORK TO INCLUDE MECHANICAL, ELECTRICAL AND PLUMBING AS PER PLANS. STRUCTURAL PEER RE | $7,500,000 |
| 101012632 | 2023-04-24 | General construction | 155 N WACKER DR | SELF-CERT 2019 CBRC: SELECTIVE DEMO OF THE EXISTING INTERIOR TENANT MARSH MCLENNAN SPACE ON LEVELS 12, 14 & 15 IN ADVANCE OF A NEW PROJECT TO BE PERMITTED SEPERATLEY. WORK TO INCLU | $459,100 |
| 100998249 | 2022-12-19 | General construction | 636 N MICHIGAN AVE | SC-CBC2019: INTERIOR BUILD-OUT FOR A NEW RETAIL STORE LOCATED IN ANEXISTING COMMERCIAL SPACE. EXISTING, ELECTRICAL AND PLUMBINGSYSTEMS SHALL BE MODIFIED TO ALLOW FOR NEW LAYOUT. N | $200,000 |
| 100990027 | 2022-09-26 | General construction | 600 W FULTON ST | CHANGE OF PLUMBING CONTRACTOR PERMIT #100973151 TO GREAT LAKES. | $1 |
| 100984434 | 2022-09-26 | General construction | 141 W JACKSON BLVD | SELF CERT 2019 CBRC: INTERIOR ALTERATIONS TO OFFICE SUITE 280 TO INCLUDE NEW PARTITIONS, UNISEX RESTROOM (2), PLUMBING, MECHANICAL AND ELECTRICAL AS PER PLANS. 1A CONSTRUCTION. B - | $175,000 |
| 100979890 | 2022-07-27 | General construction | 77 W WACKER DR | SELF-CERT: INTERIOR ALTERATIONS TO 39TH FLOOR CORE RESTROOMS IN HIGH RISE OFFICE BUILDING. WORK TO INCLUDE REPLACEMENT OF FIXTURES, TOILET PARTITIONS, NEW FINISHES, FLOORING AND P | $131,520 |
| 100978740 | 2022-07-05 | General construction | 155 N WACKER DR | REVISION TO 100956493 TO CHANGE HVAC CONTRACTOR TO HILL MECHANICAL; CHANGE PLUMBING CONTRACTOR TO GREAT LAKES PLUMBING | $20,000 |
| 100958860 | 2022-07-01 | General construction | 201 N CLARK ST | DDS 2019 CBRC: PHASE 2 OF 4: INTERIOR AND EXTERIOR ALTERATIONS TO AN EXISTING THREE STORY COMMERCIAL BUILDING TO INCLUDE WORK ON FLOORS 1, 2, 3, AND UPPER ROOF. WORK TO INCLUDE STR | $2,410,300 |
| 100973151 | 2022-06-10 | General construction | 600 W FULTON ST | SELF CERT 2019 CBRC: PARTIAL FLOOR INTERIOR RENOVATION OF EXISTING BUSINESS OCCUPANCY WITHSELECTIVE DEMOLITION, ALL NEW FINISHES, AND LIGHTING. REWORK OF EXISTINGMECHANICAL SYSTEM | $1,400,000 |
| 100956493 | 2022-02-17 | General construction | 155 N WACKER DR | SELF CERT 2019 CBRC: INTERIOR ALTERATIONS TO TENANT OFFICE SUITE 4100 TO INCLUDE DEMO, NEW PARTITIONS, MECHANICAL, ELECTRICAL AND PLUMBING WORK AS PER PLANS. NO CHANGE TO EXISITING | $2,500,000 |
| 100948159 | 2021-12-22 | General construction | 8750 W BRYN MAWR AVE | SC 2019 CBRC: INTERIOR ALTERATION TO FIRST AND SECOND FLOOR OFFICE SPACE IN EXISTING OFFICE BUILDING. USE B - BUSINESS. CONSTRUCTION TYPE - 1B | $3,000,000 |
| 100947350 | 2021-11-22 | General construction | 201 N CLARK ST | SELF CERT 2019 CBRC: INTERIOR DEMOLITION OF NON LOAD BEARING PARTITIONS, BUILT-IN FURNISHINGS AND EQUIPMENT, AND INTERIOR MECHANICAL, ELECTRICAL, AND PLUMBING WORK ON LEVELS 1 AND | $700,000 |
| 100929438 | 2021-09-16 | General construction | 311 N GREEN ST | SELF-CERT: INTERIOR TENANT BUILD OUT OF FIRST GENERATION SPACE ON THE 9TH FLOOR SUITE R1 AS PER PLANS. NO STRUCTURAL WORK | $1,530,000 |
| 100837220 | 2021-06-21 | General construction | 3800 W 42ND ST | ZONING ONLY: NEW 66,287 SF, 205 STALL PARKING LOT TO INCLUDE ASSOCIATED LANDSCAPING AND NEW 6 FT. TALL IRON AND C.L. FENCES AS PER PLANS. | $1,000,000 |
| 100909369 | 2021-04-19 | General construction | 626 N MICHIGAN AVE | SPR 2019 CBRC: REMOVAL OF EXISTING FINISHES AT GIFT SHOP, GIFT SHOP CORRIDOR AND POWDER ROOM. WORK TO INCLUDE NEW FINISHES, TRIM AND MILLWORK. RELOCATE EXISTING SPRINKLER HEADS, FI | $265,000 |
| B100911854 | 2021-03-09 | General construction | 141 W JACKSON BLVD | REVISION TO PERMIT #100900881 TO CHANGE ELECTRICAL CONTRACTOR TO GURTZ ELECTRIC | |
| 100911855 | 2021-03-09 | General construction | 141 W JACKSON BLVD | REVISION TO PERMIT#100900881 CHANGE PLUMBING CONTRACTOR TO FE MORAN. | $75 |
| 100900881 | 2021-01-07 | General construction | 141 W JACKSON BLVD | SELF-CERT 2019 CBC: INTERIOR ALTERATIONS AND FINISHES TO EXISTING OFFICE ON THE 8TH FLOOR AS PER PLANS. (EXISTING OCCUPANCY GROUP B, TYPE IA CONSTRUCTION) | $500,000 |
| 100901526 | 2020-12-18 | General construction | 222 W ADAMS ST | SELF-CERT. INTERIOR DEMISING PARTITION AT THE 27TH FLOOR. NO PLUMBING. NO ELECTRICAL. | $100,000 |
| 100902266 | 2020-12-08 | General construction | 626 N MICHIGAN AVE | 2ND FLOOR WOMENS ATHLEIC CLUB WASHROOM REPAIRS, FLOOR, PATCH AND REPAIR 5/8" DRYWALL - APPROX 1000 SQ FT, TILES, 1 FOR 1 PLUMBING FIXTURE REPLACEMENT | $125,000 |
| B100901875 | 2020-12-07 | General construction | 626 N MICHIGAN AVE | ADD TWENTY LIGHTING FIXTURES ON EXISTING CIRCUITS | $10,000 |
| B100900373 | 2020-11-25 | General construction | 626 N MICHIGAN AVE | ADD TWO LIGHTING FIXTURES ON EXISTING CIRCUITS | $2,000 |
| 100876554 | 2020-06-03 | General construction | 77 W WACKER DR | REVISION TO PERMIT NO. 100867047; TO CHANGE HVAC CONTRACTOR TO CARRIER CORPORATION | $1 |
| 100864018 | 2020-05-01 | General construction | 201 N CLARK ST | RENOVATIONS TO THE EXISTING PEDWAY CORRIDOR(S) ON THE 1ST AND 2ND FLOORS IN AN EXISTING COMMERCIAL BUILDING AS PER PLANS. | $85,000 |
| 100871496 | 2020-04-29 | General construction | 77 W WACKER DR | *** SELF-CERTIFICATION PERMIT *** INTERIOR BUILD-OUT OF A TENANT SPACE, NO STRUCTURAL WORK, NO CHANGE IN OCCUPANCY.**** REVISION TO PERMIT #100867047 *** | $400,000 |
| 100867047 | 2020-03-24 | General construction | 77 W WACKER DR | *** SELF CERT PERMIT *** INTERIOR BUILD-OUT OF A TENANT SUITE AND ELEVATOR LOBBY. NO CHANGE IN OCCUPANCY. NO STRUCTURAL WORK. | $250,000 |
| 100861735 | 2020-03-06 | General construction | 540 W MADISON ST | SELF CERT: INTERIOR ALTERATIONS TO 10TH FLOOR COMMON CORRIDOR FOR A FULL FLOOR OFFICE TENANT TO INCLUDE DEMO AND RELOCATION OF TWO DOORS AS PER PLANS. NO PLUMBING AND NO CHANGE IN | $250,000 |
| 100842568 | 2019-09-30 | General construction | 4141 S PULASKI RD | INSTALLATION OF NEW 36" X 80" DOOR, RAMP AND GUARDRAIL AT EAST ELEVATION. THE PURPOSED DOOR IS NOT REQUIRED FOR EGRESS OR ADA REQUIREMENTS | $20,500 |
| 100836864 | 2019-09-26 | General construction | 141 W JACKSON BLVD | SELF CERT: INTERIOR ALTERATIONS TO OFFICE SUITE 280 AS PER PER PLANS. NO CHANGE TO EXISTING USE. | $1,000,000 |
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 →