Dirt work done right. Ready to build on.
Excavation, site prep, grading, utility trenching and concrete for builders and homeowners. Locally owned, with our own crew and equipment.
- Since 1978Building in Colorado
- Own EquipmentOur machines, our crew
- 11 TownsNorth Denver metro
- Free EstimatesBob bids every job
The ground work that has to happen before the build, done on time by a local crew.
Bob Knox takes your call and bids the job himself. His long-time crew does the work on the company's own equipment, so your project starts on solid, level ground.
One call covers the site.
The dig, the pad, the utilities, the grade and the concrete, handled by one crew.
Utility Trenching
Water, sewer, electric and septic-related trenching for homes, shops and outbuildings.
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Site Prep & Pads
Clearing, cut and fill, and level building pads so your builder starts on solid ground.
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Grading & Final Grade
Rough grading, drainage slopes and final grade around the finished structure.
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Excavation & Foundation Digs
Digs for additions, garages, shops and small buildings, plus foundation work when you need it.
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Backfill & Compaction
Backfill and tamping done in lifts so the ground stays where it belongs.
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Concrete
Driveways, sidewalks, front porches and shop slabs, poured on ground we prepped ourselves.
Learn more →Builders and homeowners.
Builders who need the site ready on time, and owners with land and a plan.
Pole Barn & Post-Frame Builders
Pads, footings and site work ahead of your crew.
Garage & Shop Builders
Level pads and slabs for detached garages and shops.
Custom Home Builders
Foundation digs, utilities, backfill and final grade.
Homeowners & Rural Properties
Driveways, additions, utility lines, barns and arenas.
Real sites. Real dirt.
No stock photos. These are BK Builders jobs.
Straight answers. Clear bids.
- 01
Send the project
Use the form or call. Share the address, what you're building and your timing.
- 02
We call you back
Bob handles every bid himself, so you get straight answers from someone who knows the work.
- 03
Site walk & bid
We look at the ground, access and utilities, then give you a clear price.
- 04
Build-ready ground
The crew digs, preps, grades and pours so your project starts on schedule.
Based in Broomfield.
Working across the north and east Denver metro, from Longmont and Arvada out to Commerce City, Bennett and Keenesburg.
- Broomfield
- Westminster
- Thornton
- Northglenn
- Arvada
- Louisville
- Lafayette
- Longmont
- Commerce City
- Bennett
- Keenesburg
Not sure if you're in range? Send the address and we’ll give you a straight answer.
Let's walk the site.
The fastest way to get on Bob's schedule is a phone call. If he's out on a job, leave a message and he'll call you back.
(720) 303-5621- Free estimates. Bob walks the site and bids every job.
- Our own crew and our own equipment.
- Broomfield and the north Denver metro.
FAQ
What does BK Builders do?
We are a locally owned excavation and site work contractor in Broomfield, CO. We handle foundation digs, site prep and building pads, grading, utility trenching, backfill and compaction, and concrete slabs and flatwork.
What areas do you serve?
Broomfield and the north and east Denver metro, including Westminster, Thornton, Northglenn, Arvada, Louisville, Lafayette, Longmont, Commerce City, Bennett and Keenesburg.
Are estimates free?
Yes. Send the project details or call (720) 303-5621, and we’ll follow up.