Shop Sand, Aggregates & Gravel in Marin County, California
Local Topsoil, Dirt, Sand, Rocks and Gravel near me in Marin County, California
Shop Aggregates for Delivery in Marin County
Order online for free delivery to any Marin County address.
Gravel Monkey provides reliable gravel delivery across Marin County, California. From the coastal ridgelines by Point Reyes to the suburban streets of San Rafael, we deliver quality aggregates to homeowners, contractors, and public works projects with fast, free delivery and clear scheduling for your site.
Cities We Serve in Marin County
Gravel Monkey provides free delivery to all communities throughout Marin County. Click your city below for local information and materials availability:
Gravel & Aggregates Available in Marin County
We stock a full range of aggregates and related materials to handle coastal and inland needs across Marin County. Our selection supports erosion control, drainage, driveway builds, garden beds, and municipal projects.
Common products we deliver
- 3/4 inch Crushed Stone - ideal as a compacted base for driveways and pads
- #57 Stone - excellent for drainage trenches and concrete sub-base
- Topsoil - screened topsoil for planting and lawn repair
- Fill Dirt - clean fill for grading, raising low spots, or backfill
- River Rock - decorative and functional for beds and water features
- Pea Gravel - comfortable, rounded stone for walkways and play areas
- Walkway Gravel - consistent fines for stable paths and patios
- Driveway Gravel - durable mixes for long-lasting driveways
- Crushed Concrete - recycled aggregate for environmentally friendly bases
- Crusher Run - compactable base material for patios and roadbeds
- Road Base - engineered for load-bearing surfaces and access roads
- Drain Rock - screened rock for French drains and foundation drains
- Mason Sand - fine sand for mortar and paver bedding
- Playground Sand - soft, safe sand for play areas
- Washed Sand - clean sand for jointing pavers and concrete mixes
- Decomposed Granite - compactable material for paths and xeriscape features
Benefits of our aggregates
- Free delivery across Marin County to reduce project cost and logistics
- High-quality, well-graded aggregates for compaction and drainage
- Sustainable options such as crushed concrete for eco-friendly projects
- Consistent screening and sizing for predictable installations
Why Choose Our Aggregate Delivery in Marin County
Marin County's varied topography—from coastal terraces and marshes to steep hills—requires careful material selection. Our experience delivering aggregates locally means we match materials to site conditions and local soil types for the best performance.
Local knowledge and service
We understand local soil tendencies such as clay pockets in parts of central Marin and sandy, well-draining soils near beaches. That local geology matters when choosing aggregates for driveways, drainage, and garden beds.
Service features
- Free curbside and on-site delivery in Marin County
- Same-week scheduling where possible and flexible drop windows
- Experienced drivers who place material with minimal disruption
- Materials tested and sorted to meet municipal and homeowner needs
Common Applications for Aggregates in Marin County
Aggregates support a wide range of projects, from coastal erosion control to residential landscaping in hillside communities. Below are typical use cases based on local conditions.
Driveways & Access Roads
For long-term driveway performance on Marin slopes, we recommend layered construction using road base followed by 3/4 inch crushed stone or driveway gravel for a wearing surface. Proper drainage using drain rock prevents washouts on steeper grades.
Drainage & Erosion Control
#57 stone and drain rock are commonly used for French drains and culverts in areas with high winter rain. Crushed concrete also provides a cost-effective, permeable option for stabilizing slopes and swales.
Gardens, Planters & Restorations
Topsoil and decomposed granite are popular for native plant gardens and habitat restoration work around the county. Pea gravel and river rock create attractive, low-maintenance beds and pathways.
Play Areas & Public Spaces
Playground sand and washed sand meet safety and drainage requirements for public play areas while retaining comfort and cleanliness.
Typical project types
- Residential driveway installation and repair
- French drain and foundation drainage systems
- Landscape beds, xeriscaping, and native plant restoration
- Park and trail maintenance along the coastal corridor
- Small commercial and municipal road base projects
Comparison of Popular Gravel Types
| Gravel Type | Best For | Size | Drainage |
|---|---|---|---|
| 3/4 inch Crushed Stone | Driveways, base layers | 3/4 inch | Excellent |
| #57 Stone | Drainage, concrete sub-base | 3/8 inch to 1 inch | Very good |
| Pea Gravel | Walkways, play areas, decorative beds | 3/8 inch rounded | Good |
| River Rock | Accent beds, dripline protection | Various sizes | Moderate |
| Decomposed Granite | Paths, xeriscape | Fine to small gravel | Moderate |
Site Considerations and Local Conditions
Marin County sees a Mediterranean climate with wet winters and dry summers. Winter storms can produce concentrated runoff in gullies and driveways, so materials with good drainage and compaction properties are essential.
Soil and geology notes
Much of eastern Marin sits on Franciscan Complex geology with clay lenses in places. Western coastal terraces have sandy loam and alluvial deposits near estuaries. These variations influence aggregate choice: use drain rock and #57 stone where drainage is required, and road base or crusher run for structural support on softer soils.
Climate-driven recommendations
- Use drain rock and proper grading near creeks to handle winter flows
- Choose decomposed granite or pea gravel for dry-season paths to reduce dust
- Compact road base and crusher run in layers for steep driveways to resist rutting
Ordering, Delivery & Jobsite Best Practices
We make aggregate delivery convenient and predictable across Marin County. Our drivers know local permit and access issues for narrow lanes, steep driveways, and coastal properties.
How delivery works
- Choose materials and estimate quantity based on project dimensions
- Schedule delivery date and desired drop location
- We confirm access and suggested placement with photos or notes
- Driver places material as directed with care to avoid vegetation and hardscapes
Tips for a smooth delivery
- Clear the drop zone and mark any fragile surfaces
- Provide gate codes or contact numbers for controlled communities
- Ask about suggested thickness and compaction for aggregate layers
Pricing, Quantities & Sustainable Options
We price by material and volume, offering bulk aggregates Marin County projects rely on. Recycled options like crushed concrete help lower embodied carbon while providing dependable performance for base layers.
Quantity guidance
- One cubic yard covers approximately 81 square feet at 1 inch depth
- Driveways normally require multiple layers: road base then wearing course
- We can help calculate yields for irregular surfaces and slopes
Materials for Common Marin County Projects
Driveways and access
For extended longevity on Marin slopes, install a compacted road base, then 3/4 inch crushed stone or driveway gravel as the top layer. Use compacted crusher run for secondary roads to reduce maintenance.
Drainage and pipe bedding
#57 Stone and drain rock are preferred for pipe bedding and French drains because they maintain flow and reduce clogging with fine sediments.
Gardens and plantings
Topsoil mixed with local compost improves water retention for native plantings. Decomposed granite makes attractive, low-water pathways that blend with Marin's natural aesthetic.
Frequently Asked Questions About Gravel in Marin County
For durability on slopes and poor soils, use a compacted road base topped with 3/4 inch crushed stone or driveway gravel and include proper drainage using drain rock where runoff concentrates.
Yes. We deliver across the county including coastal and rural communities. Drivers are experienced with narrow roads and will coordinate placement to protect the site.
Absolutely. We supply a range of aggregates such as crushed concrete, drain rock, and river rock for erosion mitigation and stabilization projects.
Yes. We offer playground sand that meets safety requirements, as well as mason sand and washed sand for paver beds and mortar.
Local Partnerships and Public Works
We work with contractors and municipal crews on public works projects across Marin County. Our aggregates meet common municipal specifications for road base, drainage stone, and fill dirt used in grading projects near parks and shoreline infrastructure.
Contractor support
- Bulk aggregates Marin County contractors count on
- Delivery scheduling tailored to staging and crew needs
- Documentation available for materials and testing on request
Ready for your next aggregate delivery in Marin County?
Whether you are building a new driveway in Novato or stabilizing a shoreline access in Bolinas, our team helps you choose the right aggregates for site conditions and climate. Photos of our work and equipment are available (alt text: Gravel delivery truck in Marin County unloading aggregates).
Contact details and the project intake form are available in the sidebar on this page to schedule delivery and get precise material estimates.






