Excavation & Grading Services
Every good paving or concrete project starts before the asphalt or concrete ever gets laid. Excavation and grading set the foundation — literally — for a driveway, parking lot, or building site that drains properly and holds up long-term. A&L Asphalt provides excavation and grading services throughout Sonoma, Marin, and Lake County, both as standalone work and as the first phase of our paving and concrete projects.
Excavation vs. Grading: What's the Difference?
Excavation is removing material — old asphalt, unsuitable soil, or unwanted vegetation — to prepare a site for new construction. Grading is shaping the land to the correct slope and elevation, primarily to control how water drains across the property. Most projects need both: excavation clears the site, and grading ensures the final surface directs water away from buildings, driveways, and parking lots instead of letting it pool or run toward structures.
What We Provide
Site excavation
removing old pavement, soil, or debris to prepare for new construction.
Land grading
shaping the site to the correct slope for proper drainage.
Drainage grading
specifically addressing water flow problems on an existing property.
Concrete breaking and removal
for sites that need old concrete cleared before new work begins.
Trenching
for utility lines, drainage pipe, or other underground work
Land leveling
for building sites, yards, or areas being prepped for landscaping or hardscape work.
Why Proper Grading Matters More Than Most People Realize
A driveway or parking lot can look perfectly paved and still fail early if the grading underneath wasn’t done correctly. Poor grading leads to water pooling on the surface, water directed toward building foundations instead of away from them, and asphalt or concrete that deteriorates faster because it’s sitting in standing water after every rain. This is one of the most common reasons a paving job fails within a year or two — and it has nothing to do with the asphalt or concrete itself.
The Excavation & Grading Process
Site assessment
Clearing and excavation
Rough grading
Fine grading
Compaction
When You Need Excavation & Grading
New driveway or parking lot construction on a site with no existing pavement, drainage problems on an existing property where water pools or flows toward buildings, land clearing before new construction or landscaping, and site prep for hardscape or landscape transformation projects are all situations where proper excavation and grading come first.
Why Choose A&L Asphalt for Excavation & Grading
What Affects the Cost of Excavation & Grading
Cost depends on the size of the area, how much material needs to be removed, the complexity of the drainage plan, and site accessibility for equipment. A straightforward flat lot costs less to grade than a sloped property requiring significant cut-and-fill work. We provide free, in-person estimates so you understand the real scope before committing.