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125 S Wacker Dr

Northern Trust Bank · Chicago, IL, 60606
Cook County PIN 17-16-208-009-0000 · 17-16-208-011-0000

Ongoing interior office renovations and tenant build-outs are taking place across multiple floors of an existing office building. Scope includes combining and updating office suites with new partition walls, doors, ceilings, lighting, millwork, and finishes, alongside supporting mechanical, electrical, and plumbing modifications.

ACTIVE
PERMIT SET
RENOVATION
Largest permit
$509K
Window
Jun 16, 2026 – Oct 22, 2026
Permits
6
Parties
10

Largest single reported permit cost — not a summed project total. Individual permit values can overlap in scope.

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Activity

How much relevant permit activity is on this site.

97
/ 100
High
Why this score:
Recent permit activity
Related permit history
Major construction activity
Active permits on site
Significant reported costs

Trade fit

How well this project matches each trade, from linked permits. Select a trade to filter parties & permits.

TradeFitEvidence
HighMajor construction permits

Permit ledger

All 6 permits on this record
PermitDescriptionStatusContractor
101088042
Renovation
Interior alterations to a 16th-floor office suite, including new partitions, doors, ceilings, lighting, millwork, finishes, and associated MEP work.OCT 13, 2026Active$202,493Plan North Construction Services LLC
101088044
Renovation
Interior alterations to a 17th-floor office suite, including new partitions, doors, ceilings, lighting, millwork, finishes, and associated MEP work.OCT 13, 2026Active$266,099Plan North Construction Services LLC
101088047
Renovation
Interior alterations to a 19th-floor office suite, including new partitions, doors, ceilings, lighting, millwork, finishes, and associated MEP work, with no change of use.OCT 13, 2026Active$422,906Plan North Construction Services LLC
101088048
Renovation
Interior alterations to a 24th-floor office suite, including new partitions, doors, ceilings, lighting, millwork, finishes, and related MEP updates per plans.OCT 13, 2026Active$462,305Plan North Construction Services LLC
101088040
Renovation
Interior alterations to a 10th-floor office suite, including new partitions, doors, ceilings, lighting, millwork, finishes, and related MEP updates with no change of use.OCT 13, 2026Active$164,586Plan North Construction Services LLC
101083524
Renovation
Combine two 30th-floor office suites into one, including new partitions, finishes, and MEP upgrades. No change of use.JUN 15, 2026Active$509,489Plan North Construction Services LLC
Permit values are as reported at filing and may be revised on amendment. Individual permits can overlap in physical scope.
Why this project matters
ACTIVITY
5 permits filed in the last 30 days
6 major construction permits on this site
COST
$509K largest permit, renovation
Max reported cost; not a summed project total
CONTRACTOR
Plan North Construction Services LLC is the linked general contractor
Named on 6 permits for this site

Key parties

(847) 909-3487
Electrical
Mohawk Electric Construction C
(773) 777-4200
Mechanical
Ram Mechanical Services LLC
No contact on file
Owner
125 Wacker Mp LLC
No contact on file
Architect
Benoit John W
No contact on file
4 more parties on this project
Location
1 site · Chicago

Sources: City of Chicago Dept. of Buildings permit feed · Cook County Assessor parcel records

Source Chicago Building Permits · Last calculated Oct 27, 2026

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