The principals of COASTAL VITICULTURAL CONSULTANTS (CVC) have been professional VINEYARD consultants for over 25 years and have been CERTIFIED as Professional Soil Scientists and Agronomists for over 20 years. Our professional certifications, breadth of experience and a proven track record places CVC as a leader in the viticulture industry. CVC is proud of the long term relationships that we have developed with our clientele.

CVC’s strength is consistent quality of work and our experienced staff. CVC provides vineyard consulting throughout California and Oregon to growers and wineries that encompasses all aspects Vineyard Soil Testing, Vineyard Soil Mapping, Vineyard Nutrition, Vineyard Design and Vineyard Irrigation Management. We also consult with vineyards throughout the United States and internationally on a project basis. CVC staff consists of A.R.P.A.C.S. Certified Professional Agronomists and Soil Scientists with extensive consulting experience. All of CVC's management and field technical personnel have degrees in viticulture, agriculture and/or soils from major universities. For consistent, high quality work, use a Certified A.R.P.A.C.S. professional.

CVC’s vineyard consulting is custom designed for the specific conditions within each vineyard to maximize quality for both the grower and winery. Our clientele consists of wineries, growers, investors, engineers, financial lenders, and real estate professionals. CVC can design a custom ULTRA-PREMIUM STRATEGY for your vineyard too! The following services are available from CVC:


Contact us to discuss how CVC can help you achieve your objectives:

CVC’s. corporate office is in Napa Valley, California and branch offices are located in Pleasanton and Santa Rosa in California and McMinnville, Oregon.

Bryan Rahn CP Ag/SS, CCA
Certified Professional Agronomist and Soil Scientist, Certified Crop Advisor
(707) 965-3700

Michael Princevalle, Soil Scientist, Viticulturist
(925) 462-6206     Tri-Valley and Central Coast Areas

Seth Schwebs, Vilticulturist, GIS Specialist
(707) 479-7718     Santa Rosa, CA

       or
Toll Free: (888) 965-3755
Email: info@coastalvit.com.