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
18 Google reviews

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Tristan and his team did an amazing job with demolishing my old walk way and pouring me a new one. The price and service were unmatched. I highly recommend Phenix Concrete!

ajculliton Google review · August 2026

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

Amazing service. Was on time, did an amazing job, fairly priced and offers warranty on work! 10/10 recommend

Aryssa Bean Google review · June 2026

I recently hired Phenix Concrete Construction for a major driveway and patio project, and I couldn’t be happier with the results! From the very first quote to the final cleanup, everything was handled professionally and efficiently. The team’s attention to detail is outstanding — the concrete finish is perfectly smooth, level, and looks incredible. Tristan was fantastic to work with. He was responsive, knowledgeable, and genuinely cared about getting every detail right. He walked me through the options, made excellent recommendations based on my needs, and kept me updated throughout the entire process. His expertise and friendly attitude made the whole experience stress-free. If you’re looking for high-quality concrete work done by a reliable crew, Phenix Concrete Construction is the real deal. I highly recommend them — and ask for Tristan! You won’t be disappointed. Thank you Phenix and Tristan for an excellent job!

Duane Hallgren Google review · June 2026

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

Tourez Owens Google review · June 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

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