Tucked behind mature landscaping just minutes from Sonoma Plaza, Arnold Estate is a beautifully reimagined Wine Country retreat offering a rare combination of turnkey design, expansive outdoor living and a fully independent guest cottage. Set on more than a quarter acre, the property unfolds as a private Sonoma sanctuary, with a renovated main residence, detached cottage, lush gardens and multiple spaces designed for gathering, dining and relaxing outdoors. Inside, vaulted ceilings and exposed beams bring warmth and character to the light-filled main residence. The open kitchen and living spaces have been thoughtfully updated with elevated finishes while retaining the relaxed character that makes Sonoma living so special. The separate cottage creates exceptional flexibility for visiting family and friends, a private office or additional living space, with its own entrance, bedroom, living room, kitchen, dining area and full bath. Outside, mature trees frame a series of inviting spaces: dine beneath the open sky, gather around the fire pit, unwind in the hot tub or spend long afternoons on the lawn surrounded by established gardens. Beautifully renovated, remarkably versatile and ready to enjoy from day one, Arnold Estate offers the increasingly rare opportunity to own a private Wine Country retreat just minutes from the restaurants, tasting rooms and energy of downtown Sonoma.
Listing Provided Courtesy of Cassie J Bost at Compass
Property Details
Price:
$1,295,000
MLS #:
326072347
Status:
Active
Beds:
4
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
sonoma
Lot Size:
11,692 sqft / 0.27 acres (approx)
Year Built:
1950
See this Listing
Schools
Interior
Appliances
Dishwasher, Free-Standing Gas Oven, Free-Standing Refrigerator
Bathrooms
3 Full Bathrooms
Cooling
Ceiling Fan(s), Ductless
Fireplaces Total
1
Heating
Ductless
Laundry Features
Dryer Included, Washer Included
Levels
One
Exterior
Architectural Style
Rustic, Traditional
Construction Materials
Wood Siding
Fencing
Full
Lot Features
Landscape Back, Landscape Front, Landscape Misc
Parking Features
Uncovered Parking Spaces 2+
Parking Spots
6
Parking Total
6
Roof
Composition
Spa Features
Spa/Hot Tub Personal
Stories
1
Financial
Map
Community
- Address18350 Arnold Drive Sonoma CA
- CitySonoma
- CountySonoma
- Zip Code95476
Subdivisions in Sonoma
Market Summary
Current real estate data for Single Family in Sonoma as of Oct 29, 2026
99
Single Family Listed
108
Avg DOM
878
Avg $ / SqFt
$2,638,938
Avg List Price
Property Summary
- 18350 Arnold Drive Sonoma CA is a Single Family for sale in Sonoma, CA, 95476. It is listed for $1,295,000 and features 4 beds, 3 baths, and has approximately 0 square feet of living space, and was originally constructed in 1950. The average price per square foot for Single Family listings in Sonoma is $878. The average listing price for Single Family in Sonoma is $2,638,938.
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Copyright 2026, Bay Area Real Estate Information Services, Inc. All Rights Reserved. Listing courtesy of Cassie J Bost at Compass
18350 Arnold Drive
Sonoma, CA


