---
listing_id: BA326026435
status: Active
price: 810000
beds: 2
baths_full: 1
baths_half: 0
sqft_living: 1202
sqft_lot: 5001
lot_acres: 
year_built: 1952
property_type: Residential
property_subtype: Single Family Residence
address: "550 Thomson Ave"
city: Sonoma
state: CA
zip: 95476
county: "Sonoma County"
lat: 38.3121122
lng: -122.4755895
days_on_market: 1
hoa_fee: 
hoa_frequency: 
garage_spaces: 0
list_agent: "Bari Williams"
list_office: "Sotheby's International Realty"
list_agent_phone: "(707) 738-9709"
list_agent_license: 01263855
mls_source: REBAREIS
modified: 2026-03-31
transaction_type: buy
---

Home | Sonoma County | Sonoma | 95476 | 550 Thomson Ave

550 Thomson Ave, Sonoma, CA 95476

MLS: BA326026435 | Status: Active | Price: $810,000
Beds/Baths: 2 / 1
Property Type: Residential

Quick Facts

Beds Bath Sq Ft Sq Ft Lot Yr Built
2 1 1,202 5,001 1952

Upcoming Open Houses

Date Time Hosted By
Saturday, April 4 1:00 pm - 3:00 pm
Sunday, April 5 1:00 pm - 3:00 pm

Remarks

Sonoma Oasis. Welcome to 550 E Thomson, a charming retreat located in desirable Boyes Hot Springs, in the heart of lovely Sonoma Valley. Nestled in a friendly neighborhood, this adorable, two bedroom, plus a spacious officе/flex room , one bath home has a large kitchen with a butcher block island offering storage and seating, and separate pantry closet. Charming wood floors throughout, beam ceilings, stone fireplace with mantle and multiple skylights offering tons of natural light in every room. Step outside to a very private outdoor oasis with a large patio for dining and conversation, a sparkling in ground Cocktail Pool with perimeter bench seating, soothing fountains and heated for year-round enjoyment bordered by lush landscaping offering privacy. A detached Studio guest house with a full bathroom, kitchen prep area, and private deck and lovely open beam ceilings, offers flexible living for extended family or weekend guests. Freshly painted exterior of both units and corrected all pest report section 1 repair. Close to neighborhood restaurants, shopping and recreation. A rare Sonoma gem, w/ so much to offer! Yours to love....

MLS Listing Information

Field Value
MLS # BA326026435
MLS Source Bay Area Real Estate Information Services, Inc.
Days on Site 1

Features

Interior Features

Feature Details
Bathrooms Skylight
Kitchen Countertop - Other, Pantry, Skylight(s)
Appliances Garbage Disposal, Oven Range - Gas, Refrigerator, Dryer, Washer
Fireplace Family Room, Stone, Wood Burning
Flooring Simulated Wood, Wood
Laundry 220 Volt Outlet, In Closet
Cooling Ceiling Fan, Central Forced Air
Heating Central Forced Air

Exterior Features

Feature Details
Roof Composition
Foundation Slab
Pool Heated - Gas, In Ground, Pool - Yes, Sweep, Vinyl Liner
Style Traditional

Parking, School, and Other Information

Feature Details
Garage/Parking No Garage, Garage: 0 Car(s)
Sewer Public Sewer
Water Public

Contact Information

Bari Williams
Sotheby's International Realty
License #: 01263855
Phone: (707) 738-9709

Property Units

# Buildings # Leased Units # Total Units
0

School Ratings

School data provided by GreatSchools.org

Nearby Schools

School Type Grades Distance Rating
El Verano Elementary School public K-5 0.65 mi 4
Flowery Elementary School public K-5 0.80 mi 5
Altimira Middle School public 6-8 1.18 mi 2
Sassarini Elementary School public K-5 1.56 mi 2
Creekside High School public 9-12 2.24 mi 1
Sonoma Valley High School public 9-12 2.24 mi 7
Prestwood Elementary School public K-5 2.33 mi 4
Adele Harrison Middle School public 6-8 2.39 mi 4

Nearby Homes

Address Price Beds Baths Sq Ft Status
1228 Los Robles Dr $750,000 3 2 1,620 Active
895 Princeton Dr $699,000 2 2 1,514 Active
18023 Mulberry Ave $649,000 2 1 1,060 Active
105 Hooker Ave $900,000 4 2 1,776 Active

Disclosures

©2026 Bay Area Real Estate Information Services, Inc. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from Bay Area Real Estate Information Services, Inc.

Presently MLSListings.com displays Active, Contingent, Pending, and Recently Sold listings. Recently Sold listings are properties which were sold within the last three years. After that period listings are no longer displayed in MLSListings.com. Pending listings are properties under contract and no longer available for sale. Contingent listings are properties where there is an accepted offer, and seller may be seeking back-up offers. Active listings are available for sale.

This listing information is up-to-date as of March 31, 2026. For the most current information, please contact Bari Williams, (707) 738-9709.