COMPANY RECORD · CHICAGO, IL

Ams Mechanical Systems, Inc. — permit history in Chicago, IL

Ams Mechanical Systems, Inc. appears on 876 Chicago permit records from 2009 through 2026, most often mechanical / hvac (47.5% of the record).

Permit categories

CategoryPermitsShare
Mechanical / HVAC47847.5%
Plumbing45144.8%
Electrical555.5%
General construction232.3%

4 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.

Activity by year

YearPermits issued
200927
201028
201128
201218
201337
201452
201590
201680
201790
2018107
201995
202078
202136
202251
202370
202459
202541
202620

Busiest year on record: 2018, with 107 permits. One project can account for several filings, so read this as filing activity rather than workload.

PROJECTS AHEAD SEARCH

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This page is a snapshot of Ams Mechanical Systems, Inc.. The search behind it holds more than 664,804 Chicago permits naming a contractor, since 2009: 427,556 electrical permits, 332,944 building permits, 134,935 plumbing permits, 103,067 mechanical (HVAC) permits, 28,213 signage permits.

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Named on the same permit

Name in sourceLinked permitsLast seen
James Mchugh Construction Co2462026-10-14
Bulley & Andrews, L.L.C.1092025-05-02
Pepper Construction Company412025-07-21
Level General Contractors, LLC372025-09-02
Power Construction Company, LLC342026-03-30
Blue Star Properties Inc242025-01-10
Berglund Construction Company192026-04-29
All Masonry Const. Co. Inc182024-07-03
Executive Construction , Inc.182022-10-04
Ls Contracting Group, Inc.182026-06-10
Lendlease (US) Construction Inc.162023-04-11
Hunt Construction Group Inc152024-10-28

194 companies are named alongside Ams Mechanical Systems, 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 sourceMost recent permit
65 E WACKER PL2026-10-14
300 W ADAMS ST2026-09-16
400 S LA SALLE ST2026-09-16
112 S MICHIGAN AVE2026-08-31
363 E WACKER DR2026-08-17
1 E SCOTT ST2026-08-05
2233 S DR MARTIN L KING JR DR2026-07-29
500 N KINGSBURY ST2026-06-10
2229 S HALSTED ST2026-06-09
150 N MICHIGAN AVE2026-05-11
251 E HURON ST2026-04-29
7437 W ISHAM AVE2026-04-20
2970 N SHERIDAN RD2026-04-01
900 N NORTH BRANCH ST2026-03-30

418 distinct addresses on record; the 14 most recent are shown. Declared value on record runs from $0 to $350,000,000, median $400,000. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.

Also named on permits at the same addresses

CompanyShared addressesYears
James Mchugh Construction Co652009–2026
Jms Electric, Inc.422009–2025
Otis Elevator - Lombard312009–2026
Kone Elevator Company302009–2026
Gurtz Electric Company302009–2025
Bulley & Andrews, L.L.C.252009–2026
Otis Elevator - Chicago222009–2026
Continental Electrical Constru212009–2026

Companies that also appear in Chicago permit records at addresses where Ams Mechanical Systems, Inc. filed, in any year. Sharing an address is a documented co-appearance, not proof that they worked on the same project or with each other.

Permits on record

876 permits; open the 50 most recent
PermitIssuedCategoryAddress in sourceScope as filedDeclared value
1010857862026-10-14Plumbing65 E WACKER PLDDS 2019 CBRC: REVISION TO PERMIT 101067603 TO UPDATE OCCUPIABLE ROOFTOP DESIGN TO INCLUDE NEW PERGOLA AS PER PLANS.(OCCUPANCY GROUP: R-2 / A-2; TYPE 1A CONSTRUCTION)$100,000
1010796182026-09-16Mechanical / HVAC300 W ADAMS STSPR / 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 1ST FLOOR SPACE FOR NEW COMED VAULT & BATHROOMS AS PER PLANS.(OCCUPANCY GROUP: B, S-1 / TYPE 1A CONSTRUCTION)$1,000,000
1010796182026-09-16Plumbing300 W ADAMS STSPR / 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 1ST FLOOR SPACE FOR NEW COMED VAULT & BATHROOMS AS PER PLANS.(OCCUPANCY GROUP: B, S-1 / TYPE 1A CONSTRUCTION)$1,000,000
1010845182026-09-16Mechanical / HVAC400 S LA SALLE STPHASE 3 OF 3: INTERIOR ALTERATIONS TO EXISTING 7-STORY OFFICE BUILDING TO CONVERT TO A DATA CENTER. WORK TO INCLUDE NEW EQUIPMENT WITH ASSOCIATED MEP UPGRADES. PHASE 1 DEMOLITION O$151,112,046
B2004772662026-08-31General construction112 S MICHIGAN AVEHYDRONIC PIPING EXTENSION/RECONFIGURATION, ELECTRICAL WORK UNDER THIS PERMIT = YES . LOCATIONS: 0 RESIDENTIAL UNIT(S), 1 NON-RESIDENTIAL UNIT(S), MECH PENTHOUSE AT LEVEL 18.$450,000
1010842212026-08-17Plumbing363 E WACKER DROCCUPANCY TYPE R-2, CONSTRUCTION TYPE IA, EXISTING HIGH RISE CONDOMINIUM, SINGLE FLOOR OCCUPANCY, INTERIOR RENOVATION INCLUDING ELECTRICAL & PLUMBING PER PLANS.**CERTIFIED CORRECTI$25,000
B2004804902026-08-05General construction1 E SCOTT STREPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 COOLING TOWER(EVAPCO, 23XRV3030NRVR45, ROOF TOP) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 0 NON-RES$1,230,000
1010830022026-07-29Plumbing2233 S DR MARTIN L KING JR DRDDS 2019 CBC: INTERIOR RENOVATION OF NORTH TOWER OF EXISTING HOTEL BUILDING. RENOVATION OF 462 GUESTROOMS, GUESTROOM CORRIDORS, ELEVATOR LOBBIES. THE INTERIOR RENOVATIONS OF THE BU$14,875,000
1010811812026-07-06Mechanical / HVAC400 S LA SALLE STDDS 2019 CBRC: PHASE 2 OF 3: INFRASTRUCTURE UPGRADES. CONVERT 7 STORY OFFICE BUILDING TO A DATA CENTER. REINFORCEMENT OF EXISTING FLOORS. ARCHITECTURAL PLANS PROVIDED FOR REFERENCE$51,100,000
1010840382026-06-10Plumbing500 N KINGSBURY STSELF-CERT 2019 CBRC: INTERIOR REMODELING OF EXISTING 2-STORY SPACE WITHIN IN AN EXISTING HEALTH CLUB TO PROVIDE TWO FLOORS FOR NEW ACCESSORY ADMINISTRATIVE OFFICES AND A SPA TREATM$800,000
B2004738092026-06-09General construction2229 S HALSTED STREPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 ROOFTOP PACKAGED UNIT(CARRIER, 48K5GF60-3-6AOP2SO, ROOF TOP) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S$430,000
1010813502026-05-11Plumbing150 N MICHIGAN AVESELF CERT 2019 CBRC: INTERIOR BUILD-OUT OF A BUILDING AMENITY LOUNGE AND TWO TENANT SPEC SUITES. SCOPE OF NEW WORK INCLUDES NEW LIGHT CONSTRUCTION OF INTERIOR PARTITIONS, INTERIOR $5,000,000
1010801652026-04-29Mechanical / HVAC251 E HURON STSPR 2019 CBRC: INTERIOR ALTERATIONS TO WORKROOM AND VIDEO MONITORING ROOM ON 10TH FLOOR OF EXISTING I-2 OCCUPANCY BUILDING TO INCLUDE DEMOLITION OF A WALL AND CEILINGS, CARPENTRY, $250,000
1010705982026-04-20Plumbing7437 W ISHAM AVESELF-CERT 2019 CBRC: NEW SECOND FLOOR FRAME ADDITION (1172 SF) AND PARTIAL INTERIOR REMODELING (444 SF) OF EXISTING ONE-STORY BRICK RESIDENCE WITH BASEMENT AND DETACHED GARAGE (NIC$145,000
1010820942026-04-16Plumbing500 N KINGSBURY STSELF-CERT 2019 CBRC: INTERIOR REMODELING OF EXISTING LOCKER ROOM AREA ON THE SECOND FLOOR OF AN EXISTING FOUR-STORY HEALTH CLUB PER PLANS. NO CHANGE IN USE, NO EXTERIOR WORK. (OC$3,300,000
1010702302026-04-01Mechanical / HVAC2970 N SHERIDAN RDDDS 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 15-STORY RESIDENTIAL BUILDING TO INCLUDE ELECTRICAL SERVICE UPGRADE, BUILD-OUT OF NEW COMED VAULT / ELECTRICAL ROOM IN THE BASEMENT $3,985,000
1010765042026-03-31Plumbing500 N KINGSBURY STDDS 2019 CBRC: ALTERATIONS TO EXISTING 4TH FLOOR POOL DECK TO INCLUDE NEW ENCLOSED DINING AREA, NEW CONVENIENCE STAIR CONNECTING THE 3RD & 4TH FLOORS, REBUILDING THE POOL DECK, NEW$27,000,000
1010804052026-03-30Mechanical / HVAC900 N NORTH BRANCH STSELF-CERT 2019 CBRC: ALTERATIONS TO 5TH AND 6TH FLOOR OFFICE SPACE IN AN 8 STORY FULLY SPRINKLERED BUILDING INCLUDING PARTIAL INTERIOR DEMOLITION OF 5TH FLOOR. NEW PARTITION LAYOUT$4,500,000
1010803802026-03-09Plumbing150 N MICHIGAN AVESELF CERT 2019 CBRC: INTERIOR DEMOLITION OF CORPORATE OFFICE SPACE. (OCC. GRP. B; CONST. TYPE 1A). AS PER PLANS.$5,000,000
B2004560542026-01-16General construction247 E CHESTNUT STREPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 CHILLER(SMARDT, WE085.2E.F2AHFA.F2AVFA.TNX, MECHANICAL ROOM) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S$881,011
1010751082025-12-16Plumbing111 S MICHIGAN AVEDDS 2019 CBRC: INTERIOR ALTERATIONS TO GROUND FLOOR LOBBY. WORK TO INCLUDE MEP DEMO, MINIMAL ARCHITECTURAL MODIFICATIONS, MECHANICAL, ELECTRICAL AND PLUMBING UPGRADES (OCCUPANCY A-$6,000,000
1010765832025-12-15Plumbing222 S RIVERSIDE PLZSELF CERT 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING OFFICE SUITE 2500 FOR AMRIZE CEMENT INC. WORK TO INCLUDE DEMO, NEW PARTITIONS, MECHANICAL, ELECTRICAL AND PLUMBING AS PER PLAN$2,166,066
B2004530002025-12-04Plumbing455 N PARK DRREPAIR OR IN-KIND REPLACEMENT OF 1 PLUMBING FIXTURES AS DESCRIBED IN PERMIT APPLICATION. LOCATIONS: 0 RESIDENTIAL UNIT(S), 0 NON-RESIDENTIAL UNIT(S), 11 INTERIOR COMMON AREAS, HOT$100,000
B2004501192025-12-03General construction4220 S KILDARE BLVDREPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 1 OTHER COOLING EQUIPMENT(FRICK XLP3B-12180533-030 ROOF TOP COOLING TOWER) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDE$150,000
1010726572025-12-01Plumbing2233 S DR MARTIN L KING JR DRDDS 2019 CBC: INTERIOR RENOVATION OF SOUTH TOWER OF EXISTING HOTEL BUILDING. RENOVATION OF 798 GUESTROOMS, GUESTROOM CORRIDORS, ELEVATOR LOBBIES. INTERIOR RENOVATION OF THE BUILDIN$40,000,000
1010721462025-11-25Plumbing100 N COLUMBUS DRSPR 2019 CBRC: AT EXISTING GRADE LEVEL FOUNTAIN AT LURIE GARDEN, REMOVE AND REPLACE EXISTING PLUMBING AND ELECTRICAL FOR FOUNTAIN FEATURES INCLUDING LOWER-LEVEL MECHANICAL ROOM EQU$2,566,000
1010741542025-11-04General construction1211 S PRAIRIE AVE2019 CBC: INSTALL 3000A SWITCHGEAR IN PARKING GARAGE (OCCUPANCY A-2, CONSTRUCTION TYPE IA) WITH FEEDERS FROM COMED VAULT THROUGH WALL, INTO BACK OF SWITCHGEAR. NO LOAD CURRENTLY TO$172,300
1010753242025-10-15Mechanical / HVAC500 E 51ST STSELF CERT 2019 CBC INTERIOR ALTERATIONS TO 2ND FLOOR PHARMACY CLEAN ROOM INCLUDING MECHANICAL, ELECTRIC AND PLUMBING AS PER PLANS. IA CONSTRUCTION TYPE. OCCUPANCY I - INSTITUTIONA$622,480
1010704022025-10-02Mechanical / HVAC250 E SUPERIOR STSTANDARD PLAN REVIEW 2019 CBC: STRUCTURAL PEER REVIEW, ALTERATIONS TO EXISTING 2ND FLOOR CAFETERIA/DINING SPACE TO ACCOMMODATE NEURODIAGNOSTIC/PFT TESTING CLINIC SPACE. SCOPE INCLU$6,268,000
B2004391692025-09-16General construction77 E WALTON STREPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 BOILER - HOT WATER(AERCO, BMKE432, MECHANICAL ROOM) . ELECTRICAL WORK UNDER THIS PERMIT = NO . LOCATIONS: 0 RESIDENTIAL UNIT(S), 0 NON-$350,000
1010676032025-09-11Plumbing65 E WACKER PLDDS / 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING 24-STORY OFFICE BUILDING TO CONVERT FLOORS 4-24 TO RESIDENTIAL APARTMENTS (252 DWELLING UNITS) TO INCLUDE WINDOW REPLACEMENT AND A$51,000,000
B2004390062025-09-04Electrical868 N WELLS STFIRE ALARM: MODIFICATION OF EXISTING SYSTEM. ASSOCIATED BUILDING PERMIT:B200430849. AFFECTS: 0 DWELLING UNITS; 1 NON-RESIDENTIAL UNITS. HIGH-RISE BUILDING: YES. VOICE COMMUNICATION
1010715422025-09-02Plumbing216 E ONTARIO STSELF CERT 2019 CBRC: INTERIOR RENOVATIONS TO AN EXISTING 15-STORY HOTEL (FAIRFIELD INN & SUITES) TO UPGRADE THE BATHROOMS FROM TUB TO SHOWER WITHIN THE 184 UNITS OF THE HOTEL AS PE$850,000
1010715422025-09-02Mechanical / HVAC216 E ONTARIO STSELF CERT 2019 CBRC: INTERIOR RENOVATIONS TO AN EXISTING 15-STORY HOTEL (FAIRFIELD INN & SUITES) TO UPGRADE THE BATHROOMS FROM TUB TO SHOWER WITHIN THE 184 UNITS OF THE HOTEL AS PE$850,000
1010717252025-07-22Plumbing500 N KINGSBURY STSELF-CERT 2019 CBRC: INTERIOR REMODELING OF EXISTING WOMEN'S LOCKER ROOM WET AREAS/RESTROOM ON THE SECOND FLOOR OF AN EXISTING FOUR-STORY HEALTH CLUB PER PLANS. NO CHANGE IN USE, $1,200,000
1010717232025-07-21Plumbing500 N KINGSBURY STSELF-CERT 2019 CBRC: INTERIOR REMODELING OF EXISTING MEN'S LOCKER ROOM WET AREAS/RESTROOM ON THE SECOND FLOOR OF AN EXISTING FOUR-STORY HEALTH CLUB PER PLANS. NO CHANGE IN USE, NO$1,400,000
1010701482025-07-21Mechanical / HVAC120 E DELAWARE PLALTERATION TO EXERCISE ROOM AND ADJOINING STAIR ON THE 8TH FLOOR IN EXISTING 66 STORY MIXED-USE BUILDING. NO CHANGE TO OCCUPANCY OR STRUCTURE. NO CHANGE TO DWELLING UNITS$325,000
1010708712025-07-17General construction835 N MICHIGAN AVESPR 2019 CBC: ADD HX AND (4) PUMPS TO WINTERIZE COOLING TOWERS FOR THE BUILDING (IIA, OCCUPANCY U) TO BE ABLE TO PROVIDE COLLING DURING THE WINTER MONTHS AS PER PLANS. NO WORK ASSO$2,653,780
1010706452025-07-02Plumbing10000 W OHARE STINTERIOR RENOVATION OF TWO HOTEL GUESTROOMS TO FUNCTION AS 'MODEL ROOMS' FOR AN EVENTUAL WHOLE BUILDING RENOVATION OF ALL GUESTROOMS. RENOVATION SCOPE CONSISTS OF REMOVAL AND RELOC$500,000
B2004232882025-06-03General construction140 S DEARBORN STHYDRONIC PIPING EXTENSION/RECONFIGURATION, REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 BOILER - HOT WATER(AERCO, BME00684-EXHJI-US-C2XY BENCHMARK E BOILER, BASEMENT) 2 BOILER - H$400,000
1010684922025-05-28Plumbing10000 W OHARE STRENOVATING AN EXISTING STORAGE ROOM AND JANITORS CLOSET INTO 5 SINGLE USER RESTROOMS WITHIN THE LOWER LEVEL OF THE HILTON OHARE HOTEL. THE BUILDING IS AN EXISTING RESIDENTIAL BUILD$400,000
1010684922025-05-28Mechanical / HVAC10000 W OHARE STRENOVATING AN EXISTING STORAGE ROOM AND JANITORS CLOSET INTO 5 SINGLE USER RESTROOMS WITHIN THE LOWER LEVEL OF THE HILTON OHARE HOTEL. THE BUILDING IS AN EXISTING RESIDENTIAL BUILD$400,000
1010624372025-05-21General construction79 W MONROE STSPR 2019 CBRC: ADDITION OF CASEWORK WITH PLUMBING AND REWORKED ELECTRICAL TO TWO EXISTING CLASSROOMS. ADDITION OF FUME HOOD TO ONE OF THOSE ROOMS. EXISTING TYPE 1A HIGH RISE. NO CH$150,000
B2004255672025-05-20Plumbing765 W ADAMS STREPAIR OR IN-KIND REPLACEMENT OF 1 PLUMBING FIXTURES AS DESCRIBED IN PERMIT APPLICATION. INCLUDES REPAIR OR REPLACMENT OF PLUMBING PIPING. LOCATIONS: 0 RESIDENTIAL UNIT(S), 0 NON$1,200
B2004258852025-05-16General construction4100 W ANN LURIE PLREPAIR/REPLACEMENT AFFECTING 2 SYSTEMS : 2 ROOFTOP PACKAGED UNIT(TRANE, SFHPF604P*66CTED9001, ROOF TOP) 1 ROOFTOP PACKAGED UNIT(TRANE, SFHPF604P*67CNFD9001, ROOF TOP) 2 ROOFTOP$670,000
1010685582025-05-02Plumbing151 E WACKER DRSELF CERT 2019 CBRC: INTERIOR UPGRADES AT BALLROOM LEVEL OF EXISTING HOTEL. WORK INCLUDES REPLACEMENT IN LIGHTING, PLUMBING FIXTURES, FURNISHINGS AND FINISHES. EXISTING RESTROOMS W$7,500,000
1010685582025-05-02Mechanical / HVAC151 E WACKER DRSELF CERT 2019 CBRC: INTERIOR UPGRADES AT BALLROOM LEVEL OF EXISTING HOTEL. WORK INCLUDES REPLACEMENT IN LIGHTING, PLUMBING FIXTURES, FURNISHINGS AND FINISHES. EXISTING RESTROOMS W$7,500,000
1010673062025-04-10Plumbing500 N KINGSBURY STSELF-CERT 2019 CBRC: INTERIOR REMODELING OF EXISTING LOCKER ROOM WET AREAS/RESTROOM ON THE SECOND FLOOR OF AN EXISTING FOUR-STORY HEALTH CLUB PER PLANS. NO CHANGE IN USE, NO EXTER$3,700,000
1010642172025-04-04Plumbing65 E WACKER PLDDS 2019 CBRC: INTERIOR NON-STRUCTURAL DEMOLITION, INCLUDED REMOVAL OF MEP SYSTEMS ON FLOORS LOWER LEVEL - 24 & PENTHOUSE IN AN EXISTING 24-STORY OFFICE BUILDING AS PER PLANS.(OCCU$900,000
B2004184582025-04-03Plumbing2335 N ORCHARD STFOR PERMIT 101045639: REPLACEMENT PLUMBING CONTRACTOR. NEW CONTRACTOR(S) LISTED UNDER "OTHER APPLICANTS AND CONTRACTORS" ON PERMIT CERTIFICATE.

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 →

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