Prefab & Modular Buildings in Evanston, scoped line by line
Prefab and modular buildings in Evanston, IL — OnSite handles the pad, the set, and the tie-in so the structure lands ready to use. Get a scoped estimate at (773) 900-7007.
One accountable partner from site prep to final tie-in
Foundations, utilities, and anchoring handled to code
Sectioned, line-item scope before the units ship
Coordinated crane set and inspection scheduling
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
- 03Utilities
- 04Steel
- 05Inspection
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 prefab & modular buildings estimate, sectioned
- Sitework
- Foundations
- Utilities
- Steel
- Inspection
Every line priced. No lump sums.
Itemized · you approve every linePrefab & Modular Buildings in Evanston — common questions
Can you handle the site work and the set in Evanston?
Yes. We prep the pad, run utilities, and coordinate the set and tie-in across Evanston, IL — one scope, one crew, one point of contact.
Do you work with our building manufacturer?
We coordinate directly with your supplier on delivery, anchoring, and connections, and fold it all into one line-item scope.
Do I get a written, line-item estimate for prefab & modular buildings?
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 Evanston
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.