COMPANY RECORD · CHICAGO, IL
Merlos Heating And Cooling LLC — permit history in Chicago, IL
Merlos Heating And Cooling LLC appears on 38 Chicago permit records from 2022 through 2026, most often mechanical / hvac (92.3% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 36 | 92.3% |
| General construction | 3 | 7.7% |
2 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 12 |
| 2025 | 10 |
| 2026 | 7 |
Busiest year on record: 2024, 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 |
|---|---|---|
| Restore Pros Corp | 16 | 2026-07-29 |
| A Kats Construction Inc. | 6 | 2025-12-05 |
| Audley Management LLC | 3 | 2025-04-22 |
| It Renovation Group LLC | 3 | 2026-03-20 |
| N.R.D. Construction LLC | 3 | 2025-12-05 |
| Ak Construction & Masonry | 2 | 2026-04-15 |
| Jm Construction Pros Inc | 2 | 2025-09-04 |
| Mariusz Construction Corporation | 2 | 2026-04-15 |
| (Xrb) Construction Services, LLC. | 1 | 2022-12-20 |
| Central Remodeling, Inc. | 1 | 2025-05-01 |
| Decorative Concrete | 1 | 2024-06-17 |
| Pnc Remodeling Inc | 1 | 2024-10-17 |
12 companies are named alongside Merlos Heating And Cooling 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 |
|---|---|
| 3750 N HERMITAGE AVE | 2026-07-29 |
| 5517 W BYRON ST | 2026-04-15 |
| 5652 W CULLOM AVE | 2026-04-08 |
| 4947 W GRACE ST | 2026-03-20 |
| 2239 W IOWA ST | 2026-02-18 |
| 841 N FAIRFIELD AVE | 2026-02-09 |
| 1953 W SUMMERDALE AVE | 2026-01-13 |
| 6021 N NEOLA AVE | 2025-12-05 |
| 2125 W WALTON ST | 2025-11-04 |
| 6222 N LENOX AVE | 2025-09-04 |
| 3135 N CENTRAL PARK AVE | 2025-08-29 |
| 858 N RICHMOND ST | 2025-08-22 |
| 4842 W WARWICK AVE | 2025-07-24 |
| 10714 S PRAIRIE AVE | 2025-05-01 |
37 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1 to $500,000, median $150,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
38 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101084524 | 2026-07-29 | Mechanical / HVAC | 3750 N HERMITAGE AVE | SELF CERT PERMIT FOR THE CONVERSION OF A (2) FLAT RESIDENTIAL BUILDING INTO A SINGLE FAMILY RESIDENCE. WORK AT FIRST FLOOR, SECOND FLOOR AND BASEMENT. REBUILD GARAGE WITH ROOF DECK | $150,000 |
| 101080894 | 2026-04-15 | Mechanical / HVAC | 5517 W BYRON ST | SPR 2019 CBRC: STRUCTURAL REPAIRS TO BASEMENT AND FIRST FLOOR CEILINGS OF TWO STORY SINGLE-FAMILY HOME (OCCUPANCY GROUP R-5; TYPE IIIB CONSTRUCTION), PER PLANS | $100,000 |
| 101079528 | 2026-04-08 | Mechanical / HVAC | 5652 W CULLOM AVE | PROPOSED 2ND FLOOR ADDITION, REAR DECK, EXTERNAL IMPROVEMENTS (REPLACE SIDING) AND INTERIOR ALTERATIONS IN AN EXISTING 1 STORY SFR, PER PLANS. | $40,000 |
| 101078358 | 2026-03-20 | Mechanical / HVAC | 4947 W GRACE ST | SPR 2019 CBRC: EXISTING 2 FLAT R5 RESIDENTIAL DWELLING UNIT CONVERTED TO SINGLE FAMILY (1) DU WITH INTERIOR REMODEL & 2ND FLOOR ADDITION, NEW PLUMBING, HVAC & ELECTRICAL | $150,000 |
| 101077238 | 2026-02-18 | Mechanical / HVAC | 2239 W IOWA ST | SELF CERT PERMIT FOR INTERIOR ALTERATIONS TO EXISTING (2) FLAT. WORK ON FIRST FLOOR, SECOND FLOOR AND BASEMENT. 3,739 SQ. FT. OF WORK AREA ON (3) LEVELS WITHIN EXISTING BUILDING FO | $150,000 |
| 101077239 | 2026-02-09 | Mechanical / HVAC | 841 N FAIRFIELD AVE | SELF CERT PERMIT TO REMODEL EXISTING SINGLE FAMILY RESIDENCE. NEW SECOND FLOOR ADDITION. 3,036 SQ. FT. OF WORK AREA ON FIRST FLOOR, NEW SECOND FLOOR AND BASEMENT. NEW DECK AT REAR. | $200,000 |
| 101076917 | 2026-01-13 | Mechanical / HVAC | 1953 W SUMMERDALE AVE | SELF CERT PERMIT FOR CONVERTING TWO FLAT INTO SINGLE FAMILY RESIDENCE. 3418 SQUARE FEET OF WORK AREA ON TWO FLOORS AND BASEMENT. NEW REAR ADDITION, DECK AND GARAGE ROOF DECK. NEW E | $200,000 |
| 101051830 | 2025-12-05 | Mechanical / HVAC | 6021 N NEOLA AVE | SPR: PROPOSED 2 STORY SFR W/BASEMENT, FRONT PORCH, REAR PATIO, AND FRONT ATTACHED 2 CAR GARAGE W/DRIVEWAY, PER PLANS. VARIATIONS #112/113-25-Z TO REDUCE THE SIDE/REAR SETBACKS AND | $450,000 |
| 101073079 | 2025-11-04 | Mechanical / HVAC | 2125 W WALTON ST | SELF CERT PERMIT FOR THE INTERIOR RENOVATION OF EXISTING SINGLE FAMILY RESIDENCE WITH-IN EXISTING FOOTPRINT OF HOUSE. 3418 SQUARE FEET OF WORK AREA AT FIRST FLOOR, SECOND FLOOR AND | $150,000 |
| 101071846 | 2025-09-04 | Mechanical / HVAC | 6222 N LENOX AVE | SELF-CERT 2019 CBC: REVISION TO PERMIT 101053355 ADDING A BATHROOM & OFFICE TO BASEMENT LAYOUT AND TO REVISE BEAM AT FIRST FLOOR CEILNG (OCCUPANCY GROUP R-5; TYPE IIIB CONSTRUCTION | $10,500 |
| 101071197 | 2025-08-29 | Mechanical / HVAC | 3135 N CENTRAL PARK AVE | SELF CERT PERMIT TO REMODEL EXISTING SINGLE FAMILY RESIDENCE. 2925 SQUARE FEET OF WORK AREA AT 1ST FLOOR, 2ND FLOOR AND BASEMENT WITHIN EXITING FOOTPRINT. RAISE PORTION OF ROOF TO | $200,000 |
| 101071196 | 2025-08-22 | Mechanical / HVAC | 858 N RICHMOND ST | SELF CERT PERMIT TO CONVERT (2) UNIT RESIDENTIAL BUILDING INTO A SINGLE FAMILY RESIDENCE WITHIN EXISTING FOOTPRINT. 3018 SQUARE FEET OF WORK AREA AT 1ST FLOOR, 2ND FLOOR AND BASEME | $200,000 |
| 101070723 | 2025-07-24 | Mechanical / HVAC | 4842 W WARWICK AVE | EXISTING SINGLE FAMILY DWELLING UNIT 4A FRAME CONSTRUCTION - 2 STORY RESIDENCE. INTERIOR REMODEL, NEW HVAC, NEW ELECTRIC, NEW PLUMBING, ENLARGE EXISTING STAIRWELL, FINISH BASEMENT, | $80,000 |
| 101050233 | 2025-05-01 | Mechanical / HVAC | 10714 S PRAIRIE AVE | SPR 2019 CBRC - INTERIOR ALTERATION TO EXISTING 1.5 STORY SINGLE FAMILY RESIDENCE FRAM CONSTRUCTION WITH BASEMENT. COMPLY WITH BUILDING VIOLATIONS AND NEW FRONT PORCH AS PER PLANS | $55,000 |
| 101065362 | 2025-04-22 | Mechanical / HVAC | 5423 W ROSCOE ST | SELF CERT 2019 CBRC: NEW DORMER ADDITION TO EXISTING 1 STORY MASONRY SFR BUILDING W/ ATTIC & BASEMENT. (OCCUPANCY R-5, CONST. TYPE IIIA) | $156,222 |
| 101063913 | 2025-04-11 | Mechanical / HVAC | 4912 W DRUMMOND PL | SPR 2019 CBC. DOWN CONVERSION FROM 2 DU INTO S.F.R. INTERIOR REMODELING INCLUDING HVAC, PLUMBING AND ELECTRICAL. NEW REAR WOOD DECK AND NEW 2 CAR FRAME GARAGE. ALL WORK AS PER PLAN | $175,000 |
| B200411865 | 2025-01-30 | General construction | 5601 W HIRSCH ST | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 DUCT FURNACE(HEIL, N80MSN070, MECHANICAL CLOSET IN UNIT.) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 2 RESIDENTIAL UNIT(S), | $6,500 |
| 101062580 | 2024-12-06 | Mechanical / HVAC | 2417 W DAKIN ST | SELF CERT PERMIT FOR THE INTERIOR ALTERATION TO CONVERT AN EXISTING TWO FLAT RESIDENTIAL BUILDING INTO A SINGLE FAMILY RESIDENCE WITHIN EXISTING BUILDING FOOTPRINT. 3,555 SQUARE FE | $150,000 |
| B200404904 | 2024-11-13 | General construction | 4118 N WESTERN AVE | REPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 1 DUCT FURNACE(COMFORT MAKER FURNACE 80,000 BTUS) 1 OTHER COOLING EQUIPMENT(COMFORTMAKER AC COMPRESSOR LOCATED AT GRADE) . ELECTRICAL WO | $5,000 |
| 101057666 | 2024-10-25 | Mechanical / HVAC | 1824 W HADDON AVE | SELF-CERT PERMIT FOR THE INTERIOR ALTERATION OF AN EXISTING (3) FLAT AND CONVERTING IT INTO A SINGLE FAMILY RESIDENCE. WORK AREA OF 4289 S.F. ON THREE LEVELS. NEW ROOF DECK ON EXIS | $150,000 |
| 101057064 | 2024-10-17 | Mechanical / HVAC | 5940 W ROSCOE ST | NEW INTERIOR ALTERATION ON 1ST FLOOR AND NEW 2ND FLOOR ADDITION TO EXISTING 1.5 STORY BRICK AND FRAME SINGLE FAMILY RESIDENCE - III-A CONSTRUCTION, R-5 | $1 |
| 101057154 | 2024-09-17 | Mechanical / HVAC | 4041 N KILDARE AVE | SELF CERT 2019 CBRC: INTERIOR & EXTERIOR REMODELING TO AN EXISTING 1 STORY SFR & LOWERING OF BASEMENT (OCCUPANCY R-5, CONST. TYPE VA) | $110,376 |
| 101056830 | 2024-09-13 | Mechanical / HVAC | 1656 W BRYN MAWR AVE | SELF-CERT PERMIT FOR THE INTERIOR ALTERATION OF THE FIRST FLOOR, SECOND FLOOR AND BASEMENT OF AN EXISTING TWO FLAT, WOOD FRAME BUILDING TO BE CONVERTED TO A SINGLE FAMILY RESIDENCE | $150,000 |
| 101046441 | 2024-08-05 | Mechanical / HVAC | 1630 N ALBANY AVE | SELF CERT PERMIT FOR THE INTERIOR ALTERATION OF THE FIRST FLOOR, SECOND FLOOR AND BASEMENT WITHIN THE EXISTING BUILDING FOOTPRINT. CONVERT EXISTING TWO FLAT RESIDENTIAL BUILDING IN | $150,000 |
| 101053355 | 2024-06-17 | Mechanical / HVAC | 6222 N LENOX AVE | SC 2019 CRBC: INTERIOR ALTERATIONS AND PORCH REPLACEMENT FOR AN EXISTING TWO STORY BRICK SINGLE FAMILY RESIDENCE (GROUP R-5, CONST. III-B SPR 2019 CBC) | $30,000 |
| 101034288 | 2024-02-23 | Mechanical / HVAC | 4111 W NORTH AVE | SPR 2019 CRBCINSTALL NEW FURNACE & DUCT WORK TOCOMMERCIAL SPACE ONLY AS PER PLANS | $10,000 |
| 101039560 | 2024-02-23 | Mechanical / HVAC | 3817 N DRAKE AVE | INTERIOR REMODELING WITHIN THE EXISTING FOOTPRINT AND ROOF AT THE FIRST FLOOR, SECOND FLOOR AND BASEMENT OF A WOOD FRAMED, SINGLE FAMILY RESIDENCE. EXISTING WOOD FRAME GARAGE. NEW | $100,000 |
| 101034288 | 2024-02-23 | General construction | 4111 W NORTH AVE | SPR 2019 CRBCINSTALL NEW FURNACE & DUCT WORK TOCOMMERCIAL SPACE ONLY AS PER PLANS | $10,000 |
| 101042411 | 2024-02-20 | Mechanical / HVAC | 2434 W ERIE ST | CONVERT TWO FLAT INTO SINGLE FAMILY RESIDENCE. INTERIOR ALTERATION ON FIRST AND SECOND FLOORS AND BASEMENT WITHIN FOOTPRINT OF EXISTING BUILDING. 2,888 SQUARE FOOT AREA OF WORK. NE | $175,000 |
| 101036871 | 2023-11-29 | Mechanical / HVAC | 2626 W WINONA ST | SELF CERT 2019 CBRC: NEW 2ND FL. LEVEL W/ REAR ADDITION & LOWERING OF BSMT TO EXISTING SINGLE FAMILY RESIDENCE (OCCUPANCY R-5, CONSTRUCTION TYPE VA) | $156,078 |
| 101029964 | 2023-09-26 | Mechanical / HVAC | 5548 W WILSON AVE | SC 2019 CBRC: INTERIOR RENOVATION OF BASEMENT, FIRST FLOOR AND SECOND FLOOR WITHIN EXISTING BUILDING FOOTPRINT. EXPAND SECOND FLOOR DORMER. NEW FURNACE, AC AND ELECTRIC PANEL. EXIS | $150,000 |
| 101019481 | 2023-06-06 | Mechanical / HVAC | 262 N CALIFORNIA AVE | REVISION TO PERMIT # 100956010 CHANGE OF VENT CONTRACTOR TO MERLOS HEATING AND COOLING. | $1 |
| 101002389 | 2023-05-10 | Mechanical / HVAC | 3732 S UNION AVE | PROPOSED 2ND FLOOR ADDITION W/ATTIC, INTERIOR RENOVATIONS FOR AN EXISTING 1 STORY SFR W/BASEMENT, PER PLANS. | $500,000 |
| 101012037 | 2023-04-12 | Mechanical / HVAC | 4123 N MASON AVE | INTERIOR RENOVATION OF BASEMENT, FIRST FLOOR AND SECOND FLOOR WITHIN FOOTPRINT OF EXISTING SINGLE FAMILY HOUSE. RAISE ROOF AT SECOND FLOOR TO CREATE ADDITIONAL AREA.NEW FURNACE & A | $150,000 |
| 100999665 | 2023-03-30 | Mechanical / HVAC | 2107 N KEDZIE AVE | 2019 CBRC SELF CERT: INTERIOR RENOVATION OF AN EXISTING MULTI-FAMILY RESIDENCE TO DUPLEX FIRST FLOOR AND SECOND FLOOR AND DECONVERT THREE-UNITS TO TWO UNITS, TYPE III-A CONSTRUCTIO | $50,000 |
| 100994796 | 2023-03-28 | Mechanical / HVAC | 5748 W BERENICE AVE | SELF-CERT PERMIT 2019 CBRC: INTERIOR REMODELING OF EXISTING SINGLE FAMILY HOME ON THE FIRST FLOOR, SECOND FLOOR AND BASEMENT WITH-IN EXISTING HOUSE FOOTPRINT. NEW SECOND FLOOR SHED | $100,000 |
| 100986728 | 2022-12-22 | Mechanical / HVAC | 2435 N CAMPBELL AVE | EXISTING 1 1/2 FRAME BUILDING WITH BASEMENT DECONVERSION FROM 3 RESIDENTIAL UNITS TO TWO RESIDENTIAL UNITS WITH A NEW CONCRETE STAIRS AND ACCESS DOOR AT THE FRONT OF THE BUILDING F | $120,000 |
| 100972211 | 2022-12-20 | Mechanical / HVAC | 3445 W MELROSE ST | RESOLVE CITY OF CHICAGO VIOLATIONS. INTERIOR RENOVATION OF EXISTING FRAME COACH HOUSE. ARCHITECTURAL, MECHANICAL, ELECTRICAL AND PLUMBING PER PLANS. | $319,815 |
| 100993620 | 2022-11-02 | Mechanical / HVAC | 5305 W PENSACOLA AVE | REMODEL SINGLE FAMILY RESIDENTIAL HOUSE | $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 →