At KelMac Excavation, we’ve provided dependable, high-quality excavation services in Prescott and across Yavapai County since 1997. As a local, family-owned business with 25+ years of experience, we’re known for honest work, reliable service, and craftsmanship you can count on. Whether it’s grading new lots, trenching utilities, or digging foundations, we help homeowners, builders, and contractors start their projects on solid ground.
Serving Prescott, Prescott Valley, Chino Valley, and beyond, we know the terrain, the soil, and what it takes to do the job right. Ready to get started? Contact us today for your free quote.
Grading, Trenching & Site Preparation Throughout Northern Arizona
Excavation isn’t just about moving dirt — it’s about building the foundation for what comes next. We approach each job with planning and precision, offering tailored solutions based on your property’s needs and project goals.
Our services include:
- Residential and commercial excavation
- Grading for drainage, driveways, and building pads
- Foundation and footing excavation
- Trenching for water, electric, gas, and septic lines
- Lot clearing, compaction, and slope correction
- Roadbed and driveway excavation
- Dirt hauling in Mayer, AZ, and surrounding areas
Whether you’re pouring concrete, installing septic, or building an access road, our experienced crew and well-maintained equipment ensure the job gets done right — safely and efficiently.
A Process Built on Safety, Experience & Communication
With KelMac Excavation, you’re working directly with a small, skilled team that values every client. We begin with an on-site consultation to evaluate the land and provide expert recommendations backed by decades of local experience.
Once approved, we handle:
- Equipment staging and mobilization
- Safe and efficient site clearing
- Precision excavation, grading, or trenching
- Hauling and debris removal
- Final site cleanup and inspection
We stay in constant communication to ensure your project is on time and on budget — no surprises, just solid work from start to finish.
Why Excavation Matters
— And Why We’re the Right Team
Northern Arizona’s rocky soil, clay layers, and sloped terrain demand precision in excavation. Poorly done grading or compaction can lead to major problems later, like drainage issues or foundation damage.
Our local expertise helps you avoid those headaches. As experienced excavation contractors in Dewey-Humboldt and throughout Yavapai County, we adapt to any terrain and deliver work that stands the test of time.
Family-Owned. Local. Trusted Since 1997.
For more than two decades, homeowners, contractors, and developers have relied on KelMac Excavation for quality results. We’re proud to be known for our professionalism and personal service.
Why customers choose us:
- Locally owned and operated since 1997
- Skilled team with deep local knowledge
- Competitive pricing and free estimates
- Responsive, honest communication
- Expertise across residential and commercial projects
When you work with us, you’re more than just a project — you’re a neighbor.
Frequently Asked Questions
How much do excavation services cost in Prescott, AZ?
Costs vary depending on project size, soil type, slope, and site access. We offer free, no-obligation estimates to help you plan with confidence.
Do you work with both residential and commercial clients?
Yes. We handle excavation and site prep for homes, commercial sites, additions, outbuildings, and developments of all sizes.
How long does a typical excavation project take?
Most smaller projects take 1 to 3 days. Larger or complex projects may take longer. We provide a clear timeline and stick to it.
Do you provide hauling and site cleanup services?
Yes. We offer full-service hauling, backfilling, and site cleanup in Mayer and the surrounding region.
Are you licensed and insured?
Absolutely. We are fully licensed, bonded, and insured in Arizona, with strict safety standards for every project.
Start Your Project with a Team You Can Count On
At KelMac Excavation, we believe strong projects begin with strong groundwork. From site prep in Chino Valley to grading in Prescott Valley and hauling in Mayer, we bring over 25 years of experience and integrity to every job. Let’s build something solid — starting from the ground up.