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....
Closed
$805,000
550 Thomson Avenue E, Sonoma, CA 95476
2beds
1,202sqft
Single Family Residence
Built in 1952
5,000 Square Feet Lot
$803,400 Zestimate®
$670/sqft
$2,908 Estimated rent
Home value
$803,400
$723,000 - $892,000
$2,908/mo
Zestimate® history
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Soothing fountainsTwo bedroomLush landscaping offering privacyBeam ceilingsCharming wood floors throughoutStone fireplace with mantleVery private outdoor oasis
Zillow last checked:
Listing updated:
Listed by:
Bari Williams DRE #01263855 707-738-9709,
Sotheby's International Realty 707-935-2288
Bought with:
Veronica L Blaustein, DRE #01907801
Vanguard Properties
Source: BAREIS,MLS#: 326026435
Originating MLS: Sonoma
Originating MLS: SonomaFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 1
- Full bathrooms: 1
Rooms
- Room types: Bonus Room, Office
Primary bedroom
- Level: Main
Bedroom
- Level: Main
Primary bathroom
- Features: Low-Flow Toilet(s), Shower Stall(s)
Bathroom
- Features: Skylight/Solar Tube
- Level: Main
Kitchen
- Features: Butcher Block Counters, Pantry Closet, Skylight(s), Tile Counters
- Level: Main
Living room
- Level: Main
Heating
- Central
Cooling
- Ceiling Fan(s), Central Air
Appliances
- Included: Dishwasher, Disposal, Free-Standing Gas Range, Free-Standing Refrigerator, Ice Maker, Tankless Water Heater, Dryer, Washer
- Laundry: Laundry Closet
Features
- Open Beam Ceiling
- Flooring: Simulated Wood, Wood
- Windows: Dual Pane Full
- Basement: None
- Number of fireplaces: 1
- Fireplace features: Family Room, Stone, Wood Burning
Interior area
- Total structure area: 1,202
- Total interior livable area: 1,202 sqft
Property
Parking
- Total spaces: 4
- Parking features: No Garage
Features
- Stories: 1
- Patio & porch: Front Porch
- Pool features: In Ground, Fiberglass, Gas Heat, Pool Sweep
- Fencing: Fenced,Full,Wood
- Has view: Yes
- View description: Mountain(s)
Lot
- Size: 5,000 Square Feet
- Features: Auto Sprinkler F&R, Landscaped, Landscape Front
Details
- Parcel number: 056475028000
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Mid-Century,Traditional
- Property subtype: Single Family Residence
Materials
- Wood
- Foundation: Concrete
- Roof: Composition
Condition
- Year built: 1952
Utilities & green energy
- Electric: 220 Volts in Laundry
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Cable Available, Internet Available, Natural Gas Connected, Public
Community & HOA
Community
- Security: Carbon Monoxide Detector(s), Prewired, Smoke Detector(s)
HOA
- Has HOA: No
Location
- Region: Sonoma
Financial & listing details
- Price per square foot: $670/sqft
- Tax assessed value: $387,478
- Annual tax amount: $6,113
- Date on market: 3/30/2026
Price history
| Date | Event | Price |
|---|---|---|
| 4/28/2026 | Sold | $805,000-0.6%$670/sqft |
Source:  BAREIS #326026435 Report a problem | ||
| 4/7/2026 | Pending sale | $810,000$674/sqft |
Source: BAREIS #326026435 Report a problem | ||
| 3/31/2026 | Listed for sale | $810,000+170%$674/sqft |
Source: BAREIS #326026435 Report a problem | ||
| 11/17/2011 | Sold | $300,000$250/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $6,113 -1.8% | $387,478 +2% |
| 2024 | $6,222 +1.9% | $379,881 +2% |
| 2023 | $6,104 +3.4% | $372,433 +2% |
| 2022 | $5,905 +1.2% | $365,132 +2% |
| 2021 | $5,835 +5% | $357,974 +1% |
| 2020 | $5,558 +2.9% | $354,305 +2% |
| 2019 | $5,400 +2.4% | $347,359 +2% |
| 2018 | $5,275 +2.8% | $340,549 +2% |
| 2017 | $5,133 +9% | $333,873 +2% |
| 2016 | $4,710 +0.6% | $327,328 +1.5% |
| 2015 | $4,684 +3.9% | $322,412 +2% |
| 2014 | $4,509 -99% | $316,098 +0.5% |
| 2013 | $446,176 | $314,670 +4.9% |
| 2012 | -- | $300,000 +288.4% |
| 2011 | -- | $77,235 +0.8% |
| 2010 | -- | $76,658 -19.7% |
| 2009 | -- | $95,481 +2% |
| 2008 | -- | $93,610 +2% |
| 2007 | -- | $91,776 +2% |
| 2006 | -- | $89,977 +2% |
| 2005 | -- | $88,214 +2% |
| 2004 | -- | $86,485 +1.9% |
| 2003 | -- | $84,899 +2% |
| 2002 | -- | $83,235 +2% |
| 2001 | -- | $81,603 +2% |
| 2000 | -- | $80,003 |
Find assessor info on the county website
Neighborhood: 95476
Nearby homes
- $692,5003 bd2 ba1.2k sqft554 E Thompson Ave, Sonoma, CA 95476Off Market
- $713,0002 bd1 ba1.1k sqft410 E Thomson Ave, Sonoma, CA 95476Off Market
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- $900,2003 bd3 ba1.6k sqft408 E Thomson Ave, Sonoma, CA 95476Off Market
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- $725,2002 bd1 ba1k sqft560 E Thomson Ave, Sonoma, CA 95476Off Market
- $1,022,5003 bd2 ba1.4k sqft419 Siesta Way, Sonoma, CA 95476Off Market
- $538,6002 bd1 ba1k sqft395 Siesta Way, Boyes Hot Springs, CA 95416Off Market
Nearby schools
GreatSchools rating
- 5/10Flowery Elementary SchoolGrades: K-5Distance: 0.8 mi
- 4/10Adele Harrison Middle SchoolGrades: 6-8Distance: 2.4 mi
- 7/10Sonoma Valley High SchoolGrades: 9-12Distance: 2.3 mi
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Estimated market value
$803,400
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Estimated market value
$803,400
- California
- Sonoma County
- Sonoma
- 95476
- 550 Thomson Avenue E
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