Sonoma County · Monterey County · CA LIC #1060838
California's Excavation &
Engineering Experts
From the California-Oregon Border to Sonoma & Monterey County — site planning, grading, foundations, utilities, and more since 2013.
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What We Do
- Site Planning
- Excavation
- Grading & Paving
- Land Development
- Demolition
- Underground Utility
- Water Management
- More…
Trusted Excavation and Engineering Experts Since 2013
Founded in 2013, DW Excavation, LLC brings over a decade of hands-on experience in general engineering and excavation in California. Recognized for our commitment to quality workmanship and outstanding customer relationships, we offer a full spectrum of excavation and construction services. Our team takes pride in building long-term partnerships with homeowners, builders, and developers throughout Sonoma County and Monterey County.
Our core expertise spans site planning, utility trenching, land development, and water management — covering every phase of excavation and engineering from the California-Oregon border down through Sonoma to Monterey County.
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Comprehensive Excavation & Engineering Services
Proudly serving Sonoma and Monterey County, DW Excavation offers a full range of site development, grading, trenching, and underground utility services tailored to residential and commercial projects.
Site Planning
Site Planning & Permit Services for Residential and Commercial Projects
We provide professional site planning services to help you design and optimize land use before breaking ground, supporting both small and large-scale developments.
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Paving Services
Asphalt Paving Services for Driveways, Roads & Commercial Lots
We offer durable paving solutions for driveways, roads, and commercial surfaces, delivering clean finishes built to withstand heavy use.
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Grading Services
Precision Grading for Drainage, Foundations & Slope Management
Our grading services deliver precise leveling and earth movement, setting the foundation for structurally sound development and effective water drainage.
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Excavation Services
Full-Service Excavation for Building Pads, Utilities & Land Prep
Expert excavation services for residential and commercial projects, ensuring clean, efficient site preparation throughout Sonoma and Monterey Counties.
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Ponds & Road Construction
Pond Construction & Rural Road Building Services
DW Excavation designs and constructs functional ponds and access roads, combining environmental considerations with practical site needs.
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Septic & Trenching
Septic System Installation and Utility Trenching Services
We specialize in septic system installation and utility trenching, delivering reliable, code-compliant infrastructure solutions for homes and businesses.
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Land Development & Clearing
Land Clearing, Brush Removal & Site Development Services
Our land development and clearing services prepare properties for construction by removing vegetation, shaping terrain, and managing all early-phase groundwork.
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Eco Remediation
Eco Remediation & Environmental Site Restoration Solutions
Environmentally focused remediation solutions to restore and stabilize land, support habitat health, and ensure compliance with environmental standards.
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Erosion Control
Erosion Control for Slopes, Stormwater & Soil Stability
Protect your project with our erosion control services — designed to prevent soil loss, manage runoff, and safeguard your site during and after construction.
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Demolition & Rehabilitation
Demolition Services & Site Rehabilitation for Redevelopment
Our team handles safe, efficient demolition of structures and site features, followed by expert site rehabilitation to prepare for future use or restoration.
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Water Management
Drainage and Stormwater Management Solutions
We engineer and install stormwater systems that reduce flooding risk, control runoff, and meet environmental and municipal standards across diverse terrain.
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Underground Utility
Underground Utility Installation: Water, Sewer & Electrical
DW Excavation installs underground utilities — including water, sewer, and electrical — with precision trenching and full adherence to safety and regulatory standards.
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Material Supply
Construction Material Supply: Rock, Gravel, Soil & More
We provide and deliver high-quality aggregates and construction materials directly to your site, helping projects stay on schedule and within budget.
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Foundation Contractor
Foundation Excavation, Forming & Concrete Services
From residential footings to large-scale foundations, we excavate and prep for strong, stable foundation systems built to last.
Learn More →Building Tomorrow's Landscape, Today
Whether you're planning a residential build or a large-scale development, DW Excavation is ready to help. Contact us to discuss your project, request a quote, or schedule a site consultation in Sonoma or Monterey County.
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Why Did My New Driveway Start Cracking So Fast?
Quick Answer New driveways usually crack fast because the ground underneath wasn’t prepared correctly. The surface gets blamed, but the underlying problem is often weak subgrade, poor compaction, bad drainage,