$810,000
PENDING

550 E Thomson Ave Sonoma, CA 95476

Estimated payment $4,774/month

Total Views 1,487
2 Beds
1 Bath
1,202 Sq Ft
$674 Price per Sq Ft

Highlights

  • Heated In Ground Pool
  • Engineered Wood Flooring
  • Front Porch
  • Midcentury Modern Architecture
  • Beamed Ceilings
  • Tankless Water Heater

About This Home

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....

Listing Agent

Bari Williams

Sotheby's International Realty License #01263855 Listed on: 03/30/2026

Sotheby's International Realty

Home Details

Home Type

  • Single Family

Year Built

  • Built in 1952

Lot Details

  • 5,001 Sq Ft Lot
  • Property is Fully Fenced
  • Wood Fence
  • Landscaped
  • Sprinkler System

Parking

  • No Garage

Home Design

  • Midcentury Modern Architecture
  • Traditional Architecture
  • Composition Roof

Interior Spaces

  • 1-Story Property
  • Beamed Ceilings
  • Ceiling Fan
  • Wood Burning Fireplace
  • Stone Fireplace
  • Family Room
  • Engineered Wood Flooring

Kitchen

  • Ice Maker
  • Dishwasher
  • Disposal

Laundry

  • Laundry closet
  • Dryer
  • Washer
  • 220 Volts In Laundry

Pool

  • Heated In Ground Pool
  • Fiberglass Pool
  • Gas Heated Pool
  • Pool Sweep

Outdoor Features

  • Front Porch

Utilities

  • Central Heating
  • Natural Gas Connected
  • Tankless Water Heater
  • Internet Available
  • Cable TV Available

Home Details

Home Type

Single Family

Year Built

Built in 1952

Lot Details

5,001 Sq Ft Lot

Listing Details

  • Interior Amenities: Open Beam Ceiling
  • Type: Residential
  • Lot Size Acres: 0.1148
  • Stories: 1
  • ArchitecturalStyle: Mid-Century, Traditional
  • Reso Window Features: Double Pane Windows
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Appliances: Dishwasher, Disposal, Free-Standing Gas Range, Free-Standing Refrigerator, Ice Maker, Tankless Water Heater
  • Basement: None
  • Flooring: Simulated Wood, Wood
  • Fireplace Features: Family Room, Stone, Wood Burning

Exterior Features

  • Construction Materials: Wood
  • Lot Features: Auto Sprinkler F&R, Landscape Back, Landscape Front
  • Roof: Composition
  • Fencing: Fenced, Full, Wood
  • Patio And Porch Features: Front Porch
  • Pool Features: Built-In, Fiberglass, Gas Heat, Pool Sweep

Garage/Parking

  • Parking Features: No Garage

Utilities

  • Cooling: Ceiling Fan(s), Central Air
  • Electric: 220 Volts in Laundry
  • Security Features: Carbon Monoxide Detector(s), Prewired, Smoke Detector(s)
  • Sewer: Public Sewer
  • Utilities: Cable Available, Internet Available, Natural Gas Connected, Public
  • Water Source: Public
  • Heating: Central
  • Laundry Features: Dryer Included, Laundry Closet, Washer Included

Lot Info

  • Lot Size Sq Ft: 5001

Building Info

  • Year Built: 1952

Multi Family

Map

Range of Values:

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Value Increase
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Percent Increase
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Adjusted for Inflation
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $6,113 $387,478 $100,478 $287,000
2024 $6,222 $379,881 $98,508 $281,373
2023 $6,222 $372,433 $96,577 $275,856
2022 $5,905 $365,132 $94,684 $270,448
2021 $5,835 $357,974 $92,828 $265,146
2020 $5,558 $354,305 $91,877 $262,428
2019 $5,400 $347,359 $90,076 $257,283
2018 $5,275 $340,549 $88,310 $252,239
2017 $5,067 $333,873 $86,579 $247,294
2016 $4,710 $327,328 $84,882 $242,446
2015 $4,684 $322,412 $83,607 $238,805
2014 $4,509 $316,098 $81,970 $234,128
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
04/17/2026 04/17/26 Pending -- -- --
03/30/2026 03/30/26 For Sale $810,000 -- $674 / Sq Ft
Source: Bay Area Real Estate Information Services (BAREIS)

Purchase History

Date Type Sale Price Title Company
Grant Deed -- None Listed On Document
Grant Deed $300,000 Fidelity National Title Co
Trustee Deed -- None Available
Source: Public Records

Mortgage History

Date Status Loan Amount Loan Type
Previous Owner $240,000 New Conventional
Source: Public Records

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 326026435

Bay Area Real Estate Information Services (BAREIS)

APN: 056-475-028

California Sonoma County Sonoma 95476

550 E Thomson Ave, Sonoma, CA

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Bay Area Real Estate Information Services (BAREIS) Listing information deemed reliable but not guaranteed. Copyright 2026 Bay Area Real Estate Information Services, Inc. All Right Reserved.

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Bari Williams
Listing Agent
Bari Williams
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Sotheby's International Realty
(707) 847-4934
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