Construction & Landscape Aggregates

Soils Plus provides a wide variety of landscape and construction-grade aggregate materials, including base, subbase, and drain rocks in various sizes. Many of our aggregate products are used in large-scale construction projects in Sonoma County, but we also provide a great selection for the DIY homeowner who wants to repave a driveway, fill in a pothole, or create a durable pathway. Please click the pictures below to learn more about our aggregate products.

Showing all 15 results

  • Soils Plus 1 1/2" Brown Drain Rock

    1 1/2″ Brown Drain Rock

    Much like our 3/4″ Brown Drain Rock, this product is best used as a topcoat over rock or dirt roads and walkways because it helps control mud and dust. However, because of the fine materials present in this product it is not recommended for French drains, leach lines, or other applications that require drainage. Because of this product’s unique color it is well suited for a decorative landscape application.

  • 1 1/2" Drain Rock

    1 1/2″ Drain Rock

    Much like our 3/4″ Drain Rock, this product can be used for drainage in French drains, leach lines, etc. The bigger 1 1/2″ rock provides more voids for water to flow through, creating better drainage. This product can also be used for filling potholes if the area is muddy.

    .

  • Soils Plus 3/4" Subbase

    3/4″ Aggregate Subbase


    Our aggregate subbase is produced on site and sorted to a consistent 3/4″ minus material. This material contains a large amount of natural fines and can be used as a fill material. It should be topped off with another product or it may have a muddy surface in wintertime.

  • Soils Plus 3/4" Brown Drain Rock

    3/4″ Brown Drain Rock

    This product is best used as a topcoat over rock or dirt roads and walkways because it helps control mud and dust. However, because of the fine materials present in this product it is not recommended for French drains, leach lines, or other applications that require drainage. Because of this product’s unique color it is well suited for a decorative landscape application.

  • 3/4" Class 2 Aggregate Base Virgin

    3/4″ Class 2 Aggregate Base Virgin

    This product is made to meet Caltrans Class 2 city and county specifications for aggregate base rock under road surfaces. It’s a high-quality product that is produced with manufactured crushed rock fines. It can also be used for the top of an unpaved road surface.

  • 3/4" Class 2 Recycled Base

    3/4″ Class 2 Recycled Base

    This is one of our most popular products because it is made from 100% recycled materials. It may contain crushed concrete, asphalt, porcelain, brick and block. The color will vary due to the percentages of the various materials. It is used in any application where Class 2 Base Rock is specified, including driveways and beneath asphalt paving. This product is made to meet Caltrans Class 2 base rock specifications for use under road surfaces.

  • 3/4" Drain Rock

    3/4″ Drain Rock

    Our 3/4″ virgin drain rock is mined on site at our sister company, Stony Point Rock Quarry, and contains no rock fines. It can be used in multiple applications where water drainage is required. It is especially well suited for French drain systems, leach lines, and drainage ditches. It can also be used for driveways and for filling potholes. Because of its angular shape, this rock stays in place better than round river rock.

  • 3/8" Chip

    3/8″ Chip

    This aggregate product is typically used as a pipe bedding material or as a leveling rock under slab. It can also be used for pathways and because it is a sharp and angular rock, it will remain in place better than smooth or round pea gravel.

  • Soils Plus 6" Minus

    6″ Minus

    This aggregate ranges in size from 1″ to 6″.  It can successfully be used for drainage, stabilizing soft areas, slope protection, and erosion control. Due to the bulky nature of this product shoveling is difficult. Rocks should be individually hand placed or positioned with some sort of power equipment.

  • 7/16" Minus Quarry Fines

    7/16″ Minus Quarry Fines

    This product contains rock fines, which is great for pathways because the fines stay compacted in place and are comfortable to walk on. You can also use this product for pipe bedding projects or as a general fill material.

  • 7/16" Minus Red/Brown Pathway

    7/16″ Minus Red/Brown Pathway

    This product is typically used for decorative applications or landscape paths where an earth-tone color is desired. The size of the rock is comfortable to walk on and the finer material helps to keep it compacted in place. You can also use this product for pipe bedding.

  • Soils Plus Builders Sand

    ASTM C-33 Sand

    This ASTM C-33 sand can be used for horse arenas, septic mounds, PG&E bedding, high quality permeable drain systems, masonry, playgrounds, blend sand for pump-ability and finishing, and underneath pavers and sports fields.

  • Soils Plus Decomposed Granite

    Decomposed Granite

    Our decomposed granite is crushed to 3/8″ minus. It can be used for pathways as a pavement building material. It can also be used for driveways, garden walkways, and heavy-use paths. We also offer our decomposed granite with stabilizer. Stabilizer is a non-toxic organic soil additive for decomposed granite or crushed stone surfaces. It binds and locks aggregate screenings to provide a firm natural surface for pathways, driveways, and trails.

  • Delta Sand

    Delta Sand

    This is our PG&E approved sand for pipe bedding. Delta Sand is medium-fine to medium in size and gray in color.

  • Soils Plus Rip Rap

    Rip Rap

    Rip Rap is primarily used for decorative landscaping, rock walls, and erosion control. This aggregate is large and varies in exact size and price. We always suggest our customers come to view what sizes we have in stock before deciding on the quantity needed.