Concrete Foundations in Denver, scoped line by line
Concrete foundations in Denver, CO — footings, stem walls, slabs, and full foundations poured to engineered spec by OnSite crews, for homes and buildings alike. Get a scoped estimate at (773) 900-7007.
Footings, stem walls, and slabs poured to engineered spec
Excavation, forming, rebar, and pour under one accountable team
Waterproofing and drainage detailed before backfill
Sectioned, line-item scope before the first pour
Scoped, priced, approved — then built.
Send photos
Text us a couple of photos of what you're looking at. That's enough to start.
Walkthrough
A Zoom walkthrough of the space — it waives the $149 in-person written estimate.
Line-item estimate
A sectioned estimate with every line priced. You approve every line before any crew arrives.
The build
Our crews run the sequence — demo to punch list — and you sign off on the finished work.
- 01Excavation
- 02Formwork
- 03Rebar
- 04Pour
- 05Waterproofing
Each pass lands in your estimate as its own priced section — nothing hides in a lump sum.
Get your concrete foundations estimate
Your phone and text estimate is free. An in-person written estimate is $149 — a Zoom walkthrough waives it. On hourly (time-and-materials) jobs, a $129 fee applies per material run. Tell us about the project and we’ll come back with a clear, line-item scope.
The concrete foundations estimate, sectioned
- Excavation
- Formwork
- Rebar
- Pour
- Waterproofing
Every line priced. No lump sums.
Itemized · you approve every lineConcrete Foundations in Denver — common questions
Do you pour foundations to engineered drawings in Denver?
Yes — we pour to your structural spec across Denver, CO and document the base prep, rebar, and pour in the scope.
Can you handle the excavation and the pour together?
Yes — excavation, forming, rebar, the pour, and the waterproofing stay under one team so nothing falls between the dirt work and the concrete.
Do I get a written, line-item estimate for concrete foundations?
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 Denver
Terms & disclosures — Colorado
OnSite General Contracting operates under Colorado state and local licensing. Estimates and contracts follow Colorado consumer-protection law.
- Colorado contracts disclose payment schedule and lien-law rights before work begins.
- Roofing work follows Colorado SB 38: no waiver of insurance deductibles; right to rescind a roofing contract if a claim is denied.
- Right to cancel within 3 business days for eligible door-to-door sales.