Trusted Site Preparation & Foundation Excavation for New and Existing Homes
Residential Excavation
Contractor in Spokane, WA & North Idaho
Specializing in site prep, septic system installation, and precise grading to ensure proper drainage and structural stability for your property.
⭐ Licensed & Insured⭐ Years of Local Excavation Experience⭐ Local Knowledge of Spokane Soil & Frost Conditions⭐ Clear Estimates & Careful PlanningOur Approach
to Residential
& Commercial Sitework
Every property presents different conditions — from Spokane’s basalt layers to varying drainage and access challenges across North Idaho.
We evaluate each site carefully, coordinate with utility providers, and plan excavation work to match the specific requirements of the build.
Our experience spans residential construction as well as commercial developments, allowing us to adapt our process to projects of different scale and complexity.
Our Excavation Services
We provide residential excavation and site preparation services for new construction, property improvements, and select commercial projects. Each service is completed with attention to site conditions, drainage, and local building requirements.
Site Clearing & Preparation
Professional groundwork for new home construction and property development.
• Land Clearing & Lot Preparation
• Foundation Excavation
• Rough & Finish Gradinga
Utility Trenching
Safe and precise underground excavation for residential infrastructure.
• Water, Sewer & Power Trenching
• Sewer & Water Line Replacement
• Septic System Excavation
Drainage & Erosion Control Solutions
Drainage planning built for Spokane’s soil conditions and snowmelt patterns.
• French Drains & Yard Drainage
• Stormwater Management
• Slope Stabilization
Driveways
& Property Improvements
Excavation services that improve access, function, and long-term property value.
• Gravel Driveway Installation
• Patio & Outdoor Preparation
• RV Pad & Shop Site Prep
Providing specialized earthwork for residential and commercial developments throughout Spokane County and the Inland NW
Who We Are
Avey Excavation is a locally operated excavation contractor serving Spokane, Washington and nearby North Idaho communities. We focus primarily on residential site preparation while also supporting select commercial projects that require careful planning and experienced operators.
Our work is built on practical field experience, reliable equipment, and a clear understanding of regional soil conditions and permitting requirements. From initial site evaluation to final grading, we approach each project with attention to safety, communication, and long-term stability.
Why Homeowners Choose Avey Excavation
Local Site Knowledge
We understand the soil composition, frost depth requirements, and drainage patterns common throughout Spokane and North Idaho. This allows us to plan excavation carefully and reduce unexpected issues during construction.
Thoughtful Project Planning
Before equipment moves on site, we evaluate access, grade, and utility coordination to help avoid delays and rework.
Clear Communication
Homeowners and builders are kept informed throughout the project, from scheduling to final grading.
Residential-Focused
While we support commercial developments, our primary focus is helping homeowners prepare properties for new construction and improvements.
Excavation Projects Across Spokane & North Idaho
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![Excavation crew removing an old marina dock and preparing the shoreline for redevelopment.]()
Marina Dock Removal & Site Preparation
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![Installation of a large MC-3500 StormTech underground stormwater management system at a Spokane jobsite.]()
MC-3500 StormTech Stormwater System Installation
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![Excavated soil being loaded into a dump truck during residential site preparation.]()
Hauling Excavated Soil from Site
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![Residential excavation trench dug and graded for new underground water service installation in Spokane.]()
Residential Utility Trenching for Water Service Installation
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![Driveway excavation and grading work to prepare a stable base for residential driveway installation.]()
New Driveway Excavation & Base Preparation
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![Residential excavation trench prepared for a new water service line and underground sprinkler system installation in Spokane.]()
Residential Excavation for Water & Sprinkler Lines
Areas We Serve
We provide residential excavation and site preparation services throughout Spokane County and surrounding North Idaho communities. Our team works in both urban and rural settings, adapting to local site conditions and permitting requirements.
Washington
Spokane
Spokane Valley
Liberty Lake
Mead
Cheney
Airway Heights
North Idaho
Coeur d’Alene
Post Falls
Hayden
Rathdrum
Priest Lake
Let’s Discuss Your Upcoming Excavation Project
If you’re preparing for new construction, foundation work, grading, or utility installation, we’re available to review your property and provide a clear, straightforward estimate. Our team works with homeowners throughout Spokane and North Idaho to plan excavation carefully and efficiently from the start.