Comprehensive Excavation & Engineering Services
Proudly serving Sonoma, Monterey County and everywhere in between, DW Excavation offers a full range of site development, grading, trenching, and underground utility services tailored to residential and commercial projects.
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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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.
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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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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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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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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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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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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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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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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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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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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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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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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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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.