Excavation Contractor in Black Diamond, WA

5 specialized services available

We handle excavation work and concrete demolition to prepare sites for new construction. Our equipment and expertise manage everything from small residential projects to larger commercial work.

Call (425) 365-3645

Excavation Contractor Services in Black Diamond, WA

We handle excavation work and concrete demolition to prepare sites for new construction. Our equipment and expertise manage everything from small residential projects to larger commercial work.

A tracked excavator digging a foundation trench on a residential lot in Maple Valley, Washington, with exposed soil walls and a cleared work area visible. The surrounding site shows a mix of compacted earth and native vegetation typical of the Maple Valley area.

Excavation

Phenix Concrete Construction LLC provides professional excavation services for residential and commercial properties in Maple Valley, Washington.

  • Proper excavation depth and compaction reduces the risk of foundation settlement on Maple Valley's glacial till soils
  • Accurate grading directs water away from structures, lowering the chance of water intrusion or erosion on sloped lots
  • Clean site prep creates a stable base for concrete pads, driveways, and building foundations
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Excavator breaking up a cracked residential concrete driveway slab on a Maple Valley, Washington property. Broken concrete pieces are staged near the machine, with the surrounding yard and home visible in the background.

Concrete Demolition

Phenix Concrete Construction LLC provides concrete demolition services for residential and commercial properties in Maple Valley, Washington.

  • Removes heaved or cracked slabs caused by Maple Valley's clay-soil movement before damage spreads to adjacent structures
  • Clears the site completely so grading, new concrete, or landscaping can begin without leftover debris
  • Reduces trip hazards and liability on your property from broken or uneven concrete surfaces
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Excavation equipment grading and leveling a residential construction site in Maple Valley, Washington, with cleared soil and a flat compacted subgrade ready for concrete work. Surrounding Pacific Northwest tree line and sloped terrain visible in the background.

Site Preparation

Phenix Concrete Construction LLC provides professional site preparation services for residential and commercial projects in Maple Valley, Washington.

  • Properly compacted subgrade reduces the risk of slab settlement and cracking after construction
  • Accurate grading directs water away from your foundation and finished surfaces
  • Clay-soil conditions in the Maple Valley area are addressed before work begins, not after problems appear
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A tracked excavator grading a residential lot in Maple Valley, Washington, with freshly moved soil shaped into a level building pad. The surrounding area shows cleared ground ready for a concrete pour or driveway installation.

Grading

Phenix Concrete Construction LLC provides professional grading services for residential and commercial properties in Maple Valley, Washington.

  • Water drains away from your home's foundation, reducing the risk of water intrusion and soil erosion
  • Properly compacted and graded soil creates a stable base for concrete pads, driveways, and structures
  • Corrected yard slopes reduce standing water and muddy areas that damage turf and landscaping
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A Maple Valley, Washington residential lot after land clearing, showing bare ground with stumps removed and dense Pacific Northwest brush and conifers cleared to the property line. An excavator is visible at the edge of the cleared site during active site preparation.

Land Clearing

Phenix Concrete Construction LLC provides land clearing services for residential and commercial properties in Maple Valley, Washington.

  • Removes dense conifer trees, stumps, and root systems common on Maple Valley wooded lots
  • Levels uneven terrain so grading and foundation work can begin on solid, stable ground
  • Reduces fire fuel load and hidden hazards like buried stumps and uneven ground
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What sets us apart for Excavation Contractor

Locally Owned and Operated

10+ Years Industry Experience

Quality-First Approach

Serves 14 Greater Seattle Communities

Recent Projects in Black Diamond, WA

Every project in this gallery was built by our crew. Real work, real clients, real results.

Project photos coming soon.

Ready to get started?

Seen the work. Ready to talk about your project?

Call (425) 365-3645

Common Questions About Excavation Contractor in Black Diamond, WA

Straight answers to the questions homeowners ask before hiring a local contractor.

Yes, we remove and demolish concrete structures and surfaces throughout Auburn and surrounding areas.

We handle site excavation, grading, and land preparation for new concrete and construction projects.

We excavate and grade sites in Puyallup to prepare them for concrete installation and construction.

Still have questions?

Call us directly. Real answers, no scripts.

Call (425) 365-3645

What King County homeowners say.

5.0
16 Google reviews

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After receiving several quotes from other contractors, we went with Phenix Concrete because they gave us the best deal. They were easy to work with and gave us exactly what we wanted. Highly recommend them for your concrete needs.

Deborah Burns Google review · February 2026

Trustworthy, honest and professional. This is the only place I would ever recommend. They are reliable, have fair prices and will do the job right.

David Jennings Google review · February 2026

They do amazing work. Will stand behind their work!! Highly recommended!!! You wont be disappointed!!!

LaChelle Owens Google review · February 2026

Great local company. Says what they do and does what they say. Highly recommended.

Craig Salveson Google review · March 2026

Great service and warm smiles!

Eric Heyob Google review · February 2026

Proudly Based in Black Diamond, WA

Stop by, call, or book online — we're always nearby when you need us.

Hours

  • Monday 7:00 AM - 5:00 PM
  • Tuesday 7:00 AM - 5:00 PM
  • Wednesday 7:00 AM - 5:00 PM
  • Thursday 7:00 AM - 5:00 PM
  • Friday 7:00 AM - 5:00 PM
  • Saturday 7:00 AM - 5:00 PM
  • Sunday Closed