quality  Products

Vineyards, Ranches, Construction site....we do it all

best  Practices

We Support!.

​Increase yield through soil ecology

From Our Garden to Your Plate

Norcal Ag Service provides bulk 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 to all of central and northern California communities, including Napa, Sonoma, Healdsburg, St. Helena, Stockton, Modesto, Merced, Sacramento, Yuba City, Lodi, Livermore...

check out our Facebook Forum....

Serving California...

its about the ecology stupid!...

We deliver by the truckload to your vineyard, farm, orchard, ranch or jobsite  


Bulk - By the truckload

road dust control in Napa.  organic compost in Napa.  Where to buy compost

  • Top rated Premium Certified bioretention soil  (biosoil) constructed with specialized Glacial sub angular sand providing maximum stability and longevity with optimum filtration rate.

Thank you to our customers!

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

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.  


helping our ag  Community

Organic Soils, Gypsum, Limestone, Sulfur, Organic composts - Custom Blends and more....

Serving all of central and northern California

The reviews are coming in on how well miccorhizae fungi and NPK specific bacteria are reaping nice yield increases in a natural way....

Buy Direct and Save big !

Norcal Ag Service 

Norcal 'Filter Green' Certified BioTreatment Soil

The Norcal Ag network.....

Do you have a product or service that you would like to showcase on this website and our social network?  Email us at rwaller@norcalagservice.com

​​Norcal Ag Service is where to buy organic soil amendments like compost, gypsum, limestone and OMRI fertilizer