Aggregates & Agricultural Services

Bulk aggregates, soil amendments, topsoils, and bioretention soils for construction and agricultural industries. Delivered throughout Northen & Central California.

Aggregates & Agricultural Services

Bulk aggregates, soil amendments, topsoils, and bioretention soils for construction and agricultural industries. Delivered throughout Northen & Central California.

Best Practices

Communities we serve

Norcal Ag Service provides bulk aggregates, organic soils, soil amendments and farm supplies like compost, chicken and cow manure, gypsum, limestone, organic fertilizers, biotreatment soil, road dust control, and other soil stabilization services and products to all of central and northern California communities, including Napa, Sonoma, Healdsburg, St. Helena, Stockton, Modesto, Merced, Sacramento, Woodland, Yuba City, Lodi, Livermore, and more.

About California soil

Norcal Ag Service takes our soil science and knowledge seriously. We've put together a resource that will teach you everything you need to know about northern California soil. More about California soil.

Helping our ag community

We support My Job Depends on Ag. Check out our Facebook page for the latest ag news and Norcal Ag Service updates!

soybean seedlings sprouting out of a field in the morning light
Montana Grow - Grow more using less

Recommended Agricultural Products

Include Montana Grow volcanic ash with existing nutrient program and see improvements in yields, water retention, disease resistance and stress tolerance.

Got Biosoil? We do!

Norcal 'Filter Green' Certified BioTreatment Soil

Check out our top-rated Premium Certified Bioretention Soil (biosoil) constructed with specialized glacial sub angular sand providing maximum stability and longevity with optimum filtration rate.

Agriculture Education

Our information center for all things related to agriculture, farming, soil, and more. Each resource contains practical insights to help you stay knowledgeable and up to date on all things ag. 

water conservation - norcal ag service - serving all of northern and central california

Water Conservation Tips For Farmers

There are many reasons why water conservation matters. Ecological responsibility is certainly one of these factors. Communities such as the state of California that are…

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soil health and limestone | norcal ag service serving northern and central california

What is Agricultural Lime and How Does It Impact Soil Health?

Chances are that the soil in your field or garden will become acidic over time due to several factors, including decomposition of organic material and…

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Low Impact Development (LID) Principals and Stormwater Management

Stormwater runoff is a continual and growing concern that pertains to both environmental and public health interests. Due to the penetrating nature of the problem…

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Thank you to our valued customers

Atlas Vinyard Management
Ducks Unlimited
ZD Wines
Jackson Family Wines
Clos Buval - Napa Valley

Norcal Ag Service is a northern California small business that offers organic farming supplies and organic soil amendments an road dust control and soil stabilization services to our Ag community, not a multi-billion dollar chemical company so we would like to thank some of our customers because our jobs TRULY do depend on Ag.

Clos du Val winery - Atlas Vineyard Management - Pacific Gas & Electric - Ducks Unlimited - Paul Hobbs Winery - Stagecoach Vineyards - Silver Oak Winery - Nutty Tree Farm - Kruppa Farms - Caymus Vineyards - ZD Wines - Chalk Hill Winery - Georgia Pacific - Sequoia Grove Winery - Sunseri Vineyards - Big Ranch Farms - Annapolis Winery - Maggiora & Ghilotti - Napa County - Putah Creek Hopps - Rare Earth Landscape Supply - Reynolds Family winery - Ohara Farm Company - Hydeout Farms - Hansen Brothers - McMannis Vineyards - Pine ridge Vineyards - Van Duyn Farms - Ballatore Farms - Antinori Vineyards - Kendall Jackson Family Vineyards - Renteria Vineyard Management - Golden Bear Ranches - Hill Wine Company - Nunez Vineyard Management - Rawah Vineyards - Peterson Ranch - Pippitt Ranch​ - Gordon Valley Ranch

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