COMPANY RECORD · CHICAGO, IL
Mz Systems — permit history in Chicago, IL
Mz Systems appears on 40 Chicago permit records from 2010 through 2026, all of them plumbing.
Permit categories
| Category | Permits | Share |
|---|---|---|
| Plumbing | 40 | 100% |
Activity by year
| Year | Permits issued |
|---|---|
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 3 |
| 2014 | 2 |
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 4 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Busiest year on record: 2018, with 6 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 |
|---|---|---|
| E.D. General Construction Group LLC | 4 | 2021-03-25 |
| Parallel Design Build Inc | 3 | 2021-06-24 |
| Mariottini, Inc | 3 | 2017-09-07 |
| Persaud Construction | 3 | 2023-11-06 |
| Forge Builders, LLC | 2 | 2018-08-02 |
| Dayton Street Development LLC | 2 | 2020-12-14 |
| Benvenuti And Stein, Inc. | 1 | 2014-05-30 |
| Meier Masonry, Inc | 1 | 2020-09-14 |
| Northsouth 1Masonary&Tuckpoint | 1 | 2014-03-12 |
| Omega Structures, Inc. | 1 | 2012-02-06 |
| Pgc Development LLC | 1 | 2026-02-19 |
| Pyramid LLC DBA Classic Restor | 1 | 2017-06-13 |
31 companies are named alongside Mz Systems 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 |
|---|---|
| 5745 N RICHMOND ST | 2026-02-19 |
| 5026 N LINCOLN AVE | 2025-12-19 |
| 5851 N VIRGINIA AVE | 2025-07-14 |
| 360 E RANDOLPH ST | 2024-05-03 |
| 1933 W BELLE PLAINE AVE | 2023-11-06 |
| 1218 W ADDISON ST | 2021-06-24 |
| 2731 N HAMPDEN CT | 2021-06-18 |
| 4201 W DIVISION ST | 2021-03-25 |
| 1027 W ALTGELD ST | 2020-12-14 |
| 1025 W ALTGELD ST | 2020-12-01 |
| 3813 N KEELER AVE | 2020-03-05 |
| 110 W KINZIE ST | 2019-06-13 |
| 130 E OAK ST | 2019-06-04 |
| 1148 N KEELER AVE | 2019-03-05 |
34 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $1 to $850,000, median $86,250. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
40 permits; open the full list
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 101074208 | 2026-02-19 | Plumbing | 5745 N RICHMOND ST | SPR 2019 CBRC: CONVERSION FROM 2 D.U. TO 3 D.U. AND INTERIOR RENOVATION OF EXISTING D.U.'S IN AN EXISTING 2 STORY PLUS BASEMENT, BRICK RESIDENTIAL BUILDING. EXISTING R-5 OCCUPANCY, | $100,000 |
| 101076163 | 2025-12-19 | Plumbing | 5026 N LINCOLN AVE | SC 2019 CBRC: INTERIOR REMODELING OF A 1ST FLOOR COMMERCIAL SPACE FOR A NAIL SALON. (OCC. GRP. B; CONST. TYPE IIIA) | $40,000 |
| B200432968 | 2025-07-14 | Plumbing | 5851 N VIRGINIA AVE | FOR PERMIT 101066195: REPLACEMENT PLUMBING CONTRACTOR. NEW CONTRACTOR(S) LISTED UNDER "OTHER APPLICANTS AND CONTRACTORS" ON PERMIT CERTIFICATE. | |
| B200012889 | 2024-05-03 | Plumbing | 360 E RANDOLPH ST | NON-STRUCTURAL INTERIOR WORK IN UNIT1508: ELECTRICAL WORK IN THE LIVING ROOM. REPLACE EXISTING PLUMBING FIXTURES. NEW PRE- FINISHED ENGINEERED FLOORING INSTALLATION, NEW TILES INST | $60,000 |
| 101030249 | 2023-11-06 | Plumbing | 1933 W BELLE PLAINE AVE | SELF CERT 2019 CBC: NEW FRAME COACH HOUSE ADU W/ 2 CAR GARAGE, NEW TRASH ENCLOSURE, AND NEW WD FENCE. PRINCIPAL BLDG N.I.C. (OCCU. R-5, TYPE VA CONST.) | $70,950 |
| 100928248 | 2021-06-24 | Plumbing | 1218 W ADDISON ST | ALT. USE MATERIALS USE OF PVC. PIPES AND FITTING INSTEAD OF CAST IRON FOR 100865195 | $500 |
| 100927585 | 2021-06-18 | Plumbing | 2731 N HAMPDEN CT | CHANGE PLUMBER ON 100747172 TO MZ SYSTEMS CO.& CHANGE GC. TO BLOCK CONSTRUCTION | $500 |
| 100865195 | 2021-05-17 | Plumbing | 1218 W ADDISON ST | AN INTERIOR RENOVATION TO AN EXISTING III-B BUILDING WITH TYPE C-1 LARGE ASSEMBLY OCCUPANCY INCLUDING NEW LULA ELEVATOR, PLUMBING, ELECTRICAL, & HVAC WORK IN AN EXISTING UNSPRINKL | $300,000 |
| 100874689 | 2021-03-25 | Plumbing | 4201 W DIVISION ST | CONVERT FROM 5 RETAIL AND 8 DU TO 12 DU AT AN EXISTING 3 STORY W/ BASMENT RESIDENTIAL BUILDING, INTERIOR RENOVATIONS AND ONE STORY ENTRY INFILL ADDITIONS TO 5 EXISTING GROUND FLOOR | $90,000 |
| 100895229 | 2020-12-14 | Plumbing | 1027 W ALTGELD ST | SELF CERT 2019- REMOVE AND REPLACE EXISTING OPEN PORCH WITH NEW, REMODEL ONLY FIRST FLOOR PLAN UNIT. BATHROOM WILL BE KEPT IN SIMIALR LOCATION WITH NEW FIXTURES AND MECHANICAL AND | $100,000 |
| 100901537 | 2020-12-01 | Plumbing | 1025 W ALTGELD ST | REVISION TO PERMIT NO. 100901537 FOR ALT CODE APPROVAL TO USE SCH 40 PVC FOR UNDERGROUND AND ABOVE GRADE | $3,600 |
| 100870065 | 2020-09-14 | Plumbing | 1025 W ALTGELD ST | SELF-CERT: INTERIOR ALTERATIONS WITH PENTHOUSE ADDITION TO EXISTING 3 STORY MASONRY RESIDENCE WITH NEW MASONRY GARAGE - DECONVERT FROM 3 UNITS TO SINGLE FAMILY. SPRKLR SYSTEM INSTA | $477,450 |
| 100865756 | 2020-03-05 | Plumbing | 3813 N KEELER AVE | REVISION TO PERMIT NO. 100805787; TO CHANGE PLUMBING CONTRACTOR TO MZ SYSTEMS CO. | $1 |
| 100810123 | 2019-06-13 | Plumbing | 110 W KINZIE ST | SELF-CERT: INTERIOR ALTERATIONS TO A SECOND FLOOR OFFICE SPACE AS PER PLANS. NO CHANGE IN USE. NO STRUCTURAL WORK TO BE PERFORMED. | $139,800 |
| 100819056 | 2019-06-04 | Plumbing | 130 E OAK ST | INTERIOR RENOVATION NON STRUCTURAL OF RESIDENTIAL UNIT IN HIGH RISE UNIT 20C | $30,000 |
| 100807459 | 2019-03-05 | Plumbing | 4201 W DIVISION ST | USE PVC FOR DWV PER ALTERNATE CODE APPROVAL FOR #100747434 | $1 |
| 100807455 | 2019-03-05 | Plumbing | 1148 N KEELER AVE | USE CPVC FOR WATER SUPPLY PER ALTERNATE CODE APPROVAL FOR #100739618 | $1 |
| 100770670 | 2018-12-24 | Plumbing | 3824 N ALTA VISTA TER | SINGLE-FAMILY ATTACHED HOME RENOVATION - 3 FLOORS OR LESS -NEW KITCHEN ON GROUND FLOOR -REPLACE FIXTURES AND FINISHES IN EXISTING 2ND FLOOR BATHROOM. PARTITION PORTION OF THIS BATH | $150,000 |
| 100747434 | 2018-11-20 | Plumbing | 4201 W DIVISION ST | PROPOSED REMODEL OF EXISTING EIGHT DWELLING UNIT AND RETAIL/ BUSINESS THREE STORY BRICK BUILDING, PROPOSED INTERIOR ALTERATIONS TO 2ND & 3RD FLOOR RESIDENTIAL UNITS, NOW WORK TO BE | $150,000 |
| 100749717 | 2018-08-02 | Plumbing | 1842 N MOHAWK ST | PARTIAL INTERIOR RENOVATION AND THIRD FLOOR ADDITION TO A SINGLE TOWNHOUSE WITHIN AN EXISTING 2 SEPERATE 3-STORY TOWNHOME DEVELOPMENT CONTAINING 10 D.U. TOTAL. WORK TO INCLUDE NEW | $75,000 |
| 100739618 | 2018-04-10 | Plumbing | 1148 N KEELER AVE | PROPOSED REMODEL OF EXISTING 8 UNIT 2 1/2 STORY BRICK RESIDENCE PROPOSED INTERIOR ALTERATIONS NO WORK TO BE DONE TO EXTERIOR FAÇADE NEW MECHANICAL ELECTRICAL & PLUMBING NO CHANGE T | $100,000 |
| 100747670 | 2018-02-20 | Plumbing | 2015 S MORGAN ST | HOT WATER HEATER (REPLACEMENT ONLY): QTY 3 | $19,800 |
| 100746924 | 2018-02-09 | Plumbing | 3830 N MARSHFIELD AVE | REVISION TO PERMIT#100711690 CHANGE HVAC AND PLUMBING CONTRACTOR TO MZ SYSTEMS CO. | $1 |
| 100724759 | 2017-09-07 | Plumbing | 1500 N ASTOR ST | REVISION TO PERMIT #10067420 TO CHANGE THE PLUMBER OF RECORD TO MZ SYSTEMS, CO. | $1 |
| 100700942 | 2017-06-13 | Plumbing | 1304 N RITCHIE CT | EXITSTING 3-STORY W/BASEMENT SFR. SCOPE: RENOVATION TO EXISTING SFR AS PER PLANS REPAIR EXISTING REAR BAY ; NEW REAR OPEN PORCH AND MASONRY REPAIRS**CERTIFIED CORRECTIONS- - SUBJE | $525,000 |
| 100696727 | 2017-04-24 | Plumbing | 1304 N RITCHIE CT | INTERIOR DEMOLITION ONLY OF NON-BEARING PARTITIONS, FIXTURES, AND FINISHES OF AN EXISTING THREE STORY SINGLE FAMILY RESIDENCE LOCATED WITHIN THE ASTOR STREET HISTORICAL DISTRICT | $30,000 |
| 100652458 | 2016-11-08 | Plumbing | 1718 W JULIAN ST | THIS PROJECT INVOLVES BUILDING A CLASS A-2 4 STORY 4 UNIT RESIDENTIAL BUILDING AT 1718/ 1720 W. JULIAN STREET. 1718 W. JULIAN ST. IS CURRENTLY OCCUPIED BY A CLASS A-1 2 STORY SINGL | $850,000 |
| 100631187 | 2016-02-24 | Plumbing | 1448 N LAKE SHORE DR | SELF-CERTIFICATION: OCCUPANCY: A-2/ MULTI FAMILY. RENOVATION TO DWELLING UNIT (UNIT 4B) ON FOURTH FLOOR. | $100,000 |
| 100610084 | 2015-11-23 | Plumbing | 3330 N LOCKWOOD AVE | INTERIOR AND EXTERIOR ALTERATIONS FOR A CHILD DAYCARE CENTER (C3) AS PER PLAN | $800,000 |
| 100584534 | 2015-07-13 | Plumbing | 4237 N DAMEN AVE | DE-CONVERT EXISTING 2 D.U. RESIDENTIAL BUILDING TO SINGLE FAMILY RESIDENCE, REWORKING FRONT PORCH/SIDEWALKS, ADDING BACK DECK AND ADDING TO GARAGE AS PER PLANS.**CERTIFIED CORRECTI | $300,000 |
| 100599115 | 2015-07-02 | Plumbing | 4844 N WOLCOTT AVE | RENOVATION AND DECK ADDITION FOR AN EXISTING 2-STORY TYPE III-B CONSTRUCTION TWO FLAT (A-2) AS A SINGLE FAMILY RESIDENCE (A-1). CONDITIONAL PERMIT SUBJECT TO FIELD INSPECTION. | $800,000 |
| 100578086 | 2015-04-21 | Plumbing | 4133 N HARDING AVE | SELF CERT: ADDITION AND INTERIOR RENOVATION OF AN EXISTING 2-STORY WOOD FRAME SINGLE FAMILY RESIDENCE WITH ADDITION EXTENDING FROM CRAWL SPACE TO SECOND FLOOR AND INCLUDES ADDED B | $300,000 |
| 100543334 | 2014-05-30 | Plumbing | 2550 N LAKEVIEW AVE | WORK TO BE DONE IN UNTI # 2403: REPLACEMENT OF INTERIOR FINISHES. REPLACEMENT IN KIND & LOCATION OF 3WC & 3 LAV. ELECTRICAL PERMIT # 100538654 ISSUED 5/1/2014. | $86,250 |
| 100529094 | 2014-03-12 | Plumbing | 4047 N HERMITAGE AVE | RESIDENTIAL PROJECT. THE SCOPE OF WORK INCLUDESINTERIOR RENOVATION WORK TO CONVERT A 2-FLAT HOME TO A SINGLE FAMILYRESIDENCE INCLUDING WORK DONE TO THE BATHROOMS, BEDROOMS, KITCHEN | $182,620 |
| 100445039 | 2012-12-11 | Plumbing | 2447 N SPAULDING AVE | RESIDENTIAL DECONVERSION OF A 2FLAT INTO A SINGLE FAMILY RESIDENCE. GREEN GUT REHAB. REPLACE FRONT PORCH. REMOVE ENCLOSED REAR PORCH AND REPLACE WITH OPEN DECK. REPLACE EXISTING | $200,000 |
| 100445653 | 2012-06-18 | Plumbing | 1750 W ALTGELD ST | CHANGE PLUMBER TO MZ SYSTEMS FOR PERMIT 100382123 | $1 |
| 100426684 | 2012-02-06 | Plumbing | 1411 W BELLE PLAINE AVE | DECONVERT EXISTING 2 DU TO SINGLE FAMILY RESIDENCE WITH REAR ADDITION& REHAB WITH NEW 2 CAR FRAME GARAGE WITH ROOFTOP DECK AS PER PLAN. (ZONING APPROVED UNDER # 100424896). **COND | $140,000 |
| 100378117 | 2011-01-07 | Plumbing | 5921 N MAGNOLIA AVE | KITCHEN REMODEL, CABINETS, NEW SINK AND FAUCETS. ELCTRICAL PERMIT # 100377982. | $24,450 |
| 100349738 | 2010-06-21 | Plumbing | 412 N WOLCOTT AVE | PLUMBING FIXTURE REPLACEMENT ONLY,REPLACE 4 WORK SINKS, 4 HAND SINKS AND 3 TOLIETS. SAME AS EXISTING.SUBJECT TO FIELD INSPECTION. | $5,000 |
| 100348307 | 2010-06-09 | Plumbing | 2238 N AVERS AVE | REVISION TO PERMIT 100337099 ISSUED 5/19/10 TO CHANGE PLUMBING CONTRACTOR. SUBJECT TO FIELD INSPECTION | $10 |
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 →