About Marguerita Castanera
Marguerita has called Sonoma home for 25 years, developing a deep appreciation for its vibrant community and stunning landscapes. For many, the journey to owning a property in Sonoma Valley begins with the right guidance. Whether clients are looking to buy or sell, Marguerita approaches each transaction with a positive mindset and meticulous attention to detail, ensuring that her clients' needs are always prioritized.
With 27 years of professional experience at Book Passage in Marin County, Marguerita served as the Events and Classes Director, where she orchestrated author signings, writing conferences, and various writing classes. Currently, she directs the acclaimed dining program, Cooks with Books, collaborating with visiting chefs to promote their cookbooks—a role she considers a true labor of love.
At CENTURY 21 Wine Country, Marguerita benefits from a wealth of resources that enhance her ability to navigate the complexities of today’s real estate market. She prides herself on being a dedicated partner to her clients, listening closely to their needs and striving to ensure that every transaction is a successful and rewarding experience.
Marguerita holds several certifications, including Certified Distressed Property Expert (CDPE), which equips her to manage short sales and bank-owned properties effectively. She also possesses the Short Sale and Foreclosure Resource (SFR) designation, along with the Broker's Price Opinion Resource (BPOR) certification, ensuring accurate pricing for her clients' homes. Her extensive experience in short sales has led to successful outcomes for both buyers and sellers.
Recognized as a Top Producer in both listing and buyer transactions for multiple consecutive years, Marguerita has received numerous accolades, including the Centurion Award, President's Award, and the Quality Service Pinnacle Award. Since 2010, she has consistently been a recipient of the Masters Award and has earned recognition for her commitment to quality service.
Outside of her professional endeavors, Marguerita enjoys spending time with her family, hiking, camping, playing the piano, watching movies, gardening, reading, and sharing a glass of wine with friends.
Marguerita looks forward to assisting you with all your real estate needs.
**Affiliations:**
- NATIONAL ASSOCIATION OF REALTORS®
- California Association of REALTORS®
- Northern California Board of REALTORS®
- Women's Council of Realtors Member
- Chamber of Commerce Member
- P D Powerhouse
- BAREIS Multiple Listing Service
Current Property Listings
Marguerita Castanera currently has 4 properties available in Sonoma and surrounding areas.
$999,995
Listed 2025-06-11
18225 Cottonwood Ave
Sonoma, CA95476
Beds: 4
Baths: 3
Sq Ft: 2,013
Lot: 4,792 sf
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$680,000
Listed 2025-09-24
17701 Highland Blvd
Sonoma, CA95476
Beds: 2
Baths: 2
Sq Ft: 1,074
Lot: 6,599 sf
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$645,000
Listed 2025-10-01
18070 Myrtle Ave
Sonoma, CA95476
Beds: 2
Baths: 2
Sq Ft: 978
Lot: 2,374 sf
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$1,289,000
Listed 2025-05-07
498 Lovall Valley Rd
Sonoma, CA95476
Beds: 3
Baths: 2
Sq Ft: 1,568
Lot: 6,059 sf
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