Warehouse & Industrial in Chicago, scoped line by line
Warehouse and industrial construction in Chicago, IL — new builds, expansions, and heavy retrofits handled by OnSite crews on one schedule. Talk to our team at (773) 900-7007.
Ground-up shells, expansions, and heavy retrofits
Dock levelers, high-bay lighting, and racking coordination
Structural, mechanical, and electrical under one team
Sequenced to keep operations running where possible
Scoped, priced, approved — then built.
Tell us the scope
One building or a whole portfolio — tell us what you're looking at.
We scope it
We read the sequence and the failure points, then tell you what the job actually involves.
Line-item estimate
A sectioned estimate with every line priced — itemized, building by building.
The build
Scheduled crews run the sequence, with one point of contact through completion.
- 01Sitework
- 02Foundations
- 03Steel erection
- 04Mechanical
- 05Electrical
Each pass lands in your estimate as its own priced section — nothing hides in a lump sum.
Talk to our team
Tell us about the project — one building or a whole portfolio — and our commercial team will scope it and get you a line-item estimate.
The warehouse & industrial estimate, sectioned
- Sitework
- Foundations
- Steel erection
- Mechanical
- Electrical
Every line priced. No lump sums.
Itemized · you approve every lineWarehouse & Industrial in Chicago — common questions
Can you expand a warehouse without shutting it down in Chicago?
We sequence the work to keep your Chicago, IL operations running where the site allows, and flag any required downtime in the scope up front.
Do you handle docks, racking, and high-bay lighting?
Yes — dock equipment, racking coordination, and high-bay electrical are all part of the scope.
Do I get a written, line-item estimate for warehouse & industrial?
Yes — you get a sectioned, itemized estimate before any commitment, so you see exactly what each part of the work costs. No lump sums, no surprise change orders.
Are OnSite crews licensed and insured?
Yes. Every OnSite crew is insured, bonded, and background-checked, and one accountable team stays with your project from the first estimate to the final walkthrough.
Do you offer financing?
Yes — financing is available through licensed lending partners, so you can spread the cost over time. It's optional and there's no obligation; we can set it up once your estimate is ready.
Is the estimate really free?
Yes. Your estimate is free and there's no obligation — we scope and price the work up front so you can decide with the full picture in hand.
More work we take on in Chicago
Terms & disclosures — Illinois
OnSite General Contracting is insured and bonded, and registers with each Illinois municipality as its code requires. Commercial projects are performed under a written contract with a defined scope, schedule, and payment terms.
- A written contract sets the scope, schedule, and payment terms before work begins.
- The payment schedule and Illinois mechanics-lien rights are disclosed in the contract.
- We carry general-liability and workers' compensation coverage; certificates of insurance are available on request.