Site Preparation & Excavation for Commercial and Government Projects

Complete excavation, subexcavation, and overlot grading for commercial developments and government facilities across Castle Rock, Littleton, and Douglas County. When your project demands precision earthwork and proper sequencing, we deliver.

Get a Quote
OUR WORK

Complete Site Preparation & Excavation Services

We handle the full scope of site preparation for commercial developers, general contractors, and government entities across the Front Range.

Mass Excavation & Clearing

Large-scale earthwork to open sites and prepare them for commercial and public construction.

  • Large-scale excavation for buildings and facilities
  • Site clearing and vegetation removal
  • Rock excavation and difficult terrain management

Foundation & Subgrade Preparation

Groundwork executed to support structural loads and long-term performance.

  • Deep subexcavation for commercial foundations
  • Subgrade compaction and testing
  • Pier, column, and footing excavation

Grading & Drainage

Site grading coordinated with civil plans to control water and maintain access.

  • Overlot grading to civil specifications
  • Stormwater management and drainage integration
  • Erosion control and BMP compliance
OUR APPROACH

We Prepare The Site Around What Comes Next

When we prepare a site, we coordinate excavation with utilities, concrete placement, drainage requirements, and construction sequencing. That coordination ensures each phase builds cleanly on the last and supports long-term site performance.

N

Subgrade engineering for Colorado soil and frost conditions

N
Access planning that supports construction vehicle movement
N

Drainage coordination with utilities and stormwater plans

N

Inspection-ready work that meets commercial specifications

RELATED SERVICES

Site Preparation & Excavation

Concrete Work

Land Clearing

Infrastructure

Utilities

Yellow mini excavator near a long dirt trench.

Common Questions About Commercial Site Preparation

Answers to common questions project teams ask when planning commercial and public site preparation.

What's your subexcavation capability?
We handle subexcavation up to 13 feet deep, covering the majority of commercial foundation and utility requirements. Our equipment and experience manage rock excavation and difficult soil conditions common across Douglas County and the Front Range.
What's your subexcavation capability?
We handle subexcavation up to 13 feet deep, covering the majority of commercial foundation and utility requirements. Our equipment and experience manage rock excavation and difficult soil conditions common across Douglas County and the Front Range.
How do you coordinate with other trades and timelines?
We work directly with general contractors, developers, and civil engineers to sequence site prep with your overall construction schedule. Our job is to have the site ready when your next phase needs it – not before, not after.
What's involved in commercial site preparation?
Commercial site prep includes mass excavation, overlot grading to civil plans, subgrade preparation, utility trenching, drainage integration, and construction access development. We handle the complete earthwork scope from clearing through final grade.
Do you work on government and municipal projects?
Yes. We’re experienced with public works requirements including prevailing wage, government specifications, and the documentation standards municipal and county projects require across Colorado.
How long does site preparation take?
Timeline depends on site size, soil conditions, and project complexity. A typical commercial site might take 2-4 weeks, while larger developments require phased execution. We provide clear schedules and coordinate with your project timeline.

Let’s Get Your Site Ready

Whether you’re preparing land for a commercial building, developing a municipal facility, or need complete site prep for a large-scale project, TSF Construction delivers the excavation expertise and coordination to get it done right.

Contact us