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Trusted Sonoma Real Estate Agent for Luxury Wine Country Properties
Mark Stornetta brings over four decades of deep-rooted expertise in Sonoma County's luxury real estate market. As a lifelong resident and former financial executive in the wine industry, I combine insider knowledge of local market dynamics with a client-first philosophy rooted in integrity and transparency. My approach prioritizes personalized service, leveraging advanced marketing strategies like Compass Concierge and Private Exclusives to maximize property visibility and value.

With a track record of navigating complex transactionsfrom vineyard estates to historic propertiesI deliver results-driven representation grounded in meticulous attention to detail. Affiliated with Compass, I maintain industry-leading standards through continuous education and adherence to ethical practices that protect client interests at every stage.
Services
Luxury Home Sales Vineyard Property Listings Real Estate Consultation Market Analysis Investment Property Guidance
Highlights and features
  • 40+ years of specialized expertise in Sonoma/Napa luxury real estate
  • Former CFO of Glen Ellen Winery with insider industry knowledge
  • Access to Compass' global network of luxury property buyers
  • Proven track record with complex vineyard and estate transactions
  • Personalized service combining financial acumen with local insights
Associations and certifications
  • RealTrends Top 1.5% Agents Nationwide
What people say
Honest, grounded professionalism Attention to detail Integrity Knowledgeable local market insights Patient and thorough
Services
Luxury Home Sales
Specialized representation for selling high-end residential properties in Wine Country. Utilizing Compass' global marketing platform and proprietary tools like Private Exclusives to attract qualified buyers. Services include strategic pricing analysis, professional staging coordination, and targeted digital campaigns that highlight property unique selling points.
Vineyard Property Listings
Expert guidance for vineyard and agricultural property transactions. Offering tailored marketing strategies that emphasize terroir characteristics and production potential. Services include land use analysis, zoning compliance guidance, and connections to viticultural consultants for property enhancement.
Real Estate Consultation
Comprehensive advisory services for buyers and sellers. Providing detailed market analytics, investment viability assessments, and portfolio strategy development. Includes access to off-market opportunities and insider insights on Wine Country property trends.
Investment Property Guidance
Strategic counsel for real estate investments in premium markets. Services cover cash flow analysis, tax implications, and long-term appreciation potential. Specializing in 1031 exchanges and portfolio diversification through Wine Country properties.
Compass Concierge Program
Pre-sale enhancement program covering staging, renovations, and repairs. Offers interest-free financing for home improvement services to maximize property value. Includes project management support and cost recovery strategies at closing.
People
Mark Stornetta
Real Estate Agent
Sonoma resident for over 40 years with deep roots in the wine industry. Former financial executive at Glen Ellen Winery and Gundlach Bundschu. Recognized by RealTrends as top 1.5% agent nationwide. Specializes in luxury properties and vineyard estates.
Questions
What areas do you specialize in?
Primarily Sonoma and Napa Valleys, including St. Helena, Kenwood, Glen Ellen, and Sonoma City. Focus on luxury properties, vineyards, and historic estates.
What services do you offer sellers?
Full-service representation including pricing strategy, marketing (including Compass Concierge and Private Exclusives), negotiation, and transaction management for residential and vineyard properties.
How do you market luxury properties?
Utilize Compass' global network, professional photography, virtual tours, targeted digital campaigns, and exclusive pre-launch programs like Private Exclusives and Coming Soon listings.
Can you help with 1031 exchanges?
Yes, experienced in facilitating tax-deferred exchanges with access to qualified intermediaries and investment property inventory across Wine Country.
What's your transaction success rate?
Consistently ranked in RealTrends' top 1.5% of agents nationwide. Clients report high satisfaction with successful complex transactions, including multiple competitive offers.
How are you different from other agents?
Unique combination of 40+ years local experience, wine industry background, and Compass' technological resources. Personalized service with proven results in premium property markets.
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Reviews (2)
Sue Dibble
Jul 01, 2021 Report
Mark was the agent for our buyer. He ignored multiple emails from our agent. Then he sent a cancellation notice at the last moment timing it so we could not arrange for any marketing over the weekend. Next he had the gall to text our agent at 5 am this morning asking for the cancellation notice. Needless to say the escrow company was not even open then. So Mark woke our realtor up for absolutely no reason -not kind, considerate, or professional.
Kelli Cornell
Dec 04, 2016 Report
I was moving to Sonoma and having trouble finding a rental. Someone told me to call Mark, even though he doesn't deal with rentals. Mark went out of his way to help us out of the good of his heart. Looking to buy a home in Sonoma, call Mark if you are looking for someone who truly cares and will go out of their way for you. He is the best of the best!!