About This Home
This 5-bedroom, 6-bathroom single family at 645 William Cunningham Avenue in Sonoma, CA is listed for $5,650,000 ($1,173 per sqft). Built in 1998, the home offers 4,818 sqft of living space on a N/A lot.
Key Features
- Built in 1998
Property Details
This 4-bedroom, 4-bath main residence pairs period character with modern comfort. Craftsman details, timeless proportions, and a warm, livable floor plan carry throughout the approximately 4,818 sq ft main residence. The grounds are just as special. Mature landscaping surrounds the in-ground pool, creating a private setting for afternoons outdoors, entertaining, and relaxed Sonoma living.
The 3-car garage includes a convenient shower room, ideal for pool days, gardening, or a quick post-workout rinse. Above the garage, an approximately 825 sq ft carriage house offers a simple, private escape for guests, a home office, or studio. Just five blocks from Sonoma Plaza, the property is close to boutiques, tasting rooms, Michelin-starred and acclaimed restaurants, and the heart of downtown Sonoma.
With approximately 4,018 sq ft in the main house plus an additional 825 sq ft carriage house and a total of 6 full bathrooms, this is a rare opportunity to own a remarkable piece of Sonoma's architectural heritage.
Monthly Cost Estimate
$30,217/mo
20% down · 6.5% · 30 years
Estimates only. Actual payments may vary.
Location
645 William Cunningham Avenue
Sonoma, CA 95476
Questions & Answers
This 5-bedroom, 6-bathroom single family at 645 William Cunningham Avenue is listed at $5,650,000 ($1,173/sqft). The estimated monthly payment is $30,217 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.
Key features include: Built in 1998.
This property is listed by Mary A Ryan.
Mary A Ryan
Agent at Engel & Volkers Sonoma


