Sonoma's Eastside, behind the gates of The Ranch, where the view does the talking. Some homes you tour. This one you feel the moment the valley opens up in front of you. Set on more than 6.5 private acres in Sonoma's coveted gated Eastside, this architect-designed contemporary frames panoramic views across the vineyards and valley floor to the Bay and the San Francisco skyline beyond. Walls of glass pull that view into nearly every room, and a recent renovation by an internationally recognized interior designer brings a confident, current sensibility to spaces built around light, stone, and the landscape itself. The home is designed in distinct levels, and that's the point. Each living zone has its own privacy and purpose: a serene primary retreat with a private balcony, separate guest quarters that give visitors their own world, and a dedicated office and loft for the way people actually live and work today. Open-beam ceilings, two fireplaces, hardwood floors, and a chef's kitchen with high-end appliances anchor the main living spaces, nearly all of them opening to the outdoors. A separate three-car garage adds everyday ease and storage you rarely find at this elevation. Below, a wine cellar built from stone quarried on the property itself speaks to what makes this place rare: it is genuinely of its land. Majestic oaks, Japanese maples, hand-laid stone walls, and gently terraced topography create a setting no flat lot can replicate, usable, sculpted, and completely private. Mature gardens thrive on a smart, timed irrigation system throughout, and a large fenced dog run sits just off the house for easy access. A pool has already been designed for the property by a local Sonoma designer, so the vision for outdoor living is in place and ready to bring to life. Fire insurance is secured and in place. Just minutes to the historic Sonoma Plaza, its restaurants, and world-class wineries. Newly priced and unlike anything else on the market. This is the one the others are compared to.
Active
Price cut: $70K (8/4)
$2,125,000
1090 Bart Road, Sonoma, CA 95476
3beds
2,589sqft
:
Get pre-qualified$13,540/mo
Single Family Residence
Built in 1977
6.56 Acres Lot
$2,136,700 Zestimate®
$821/sqft
$500/mo HOA
What's special
Separate guest quartersJapanese maplesDedicated office and loftMajestic oaksSeparate three-car garageTwo fireplacesOpen-beam ceilings
- 334 days |
- 1,850 |
- 117 |
Zillow last checked:
Listing updated:
Listed by:
Daniel Casabonne DRE #01221013 707-494-3130,
Sotheby's International Realty 707-939-4460
Source: BAREIS,MLS#: 325081893
Originating MLS: Sonoma
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 3
- Full bathrooms: 2
- 1/2 bathrooms: 1
Rooms
- Room types: Loft, Office, Wine Cellar
Primary bedroom
- Features: Balcony, Outside Access, Walk-In Closet(s)
Primary bathroom
- Features: Double Vanity, Shower Stall(s), Window
Dining room
- Features: Dining/Living Combo, Formal Area
Family room
- Features: Cathedral/Vaulted, Deck Attached, Great Room, Open Beam Ceiling, View
- Level: Main
Kitchen
- Features: Breakfast Area, Breakfast Room, Kitchen Island, Pantry Closet, Slab Counter
Living room
- Features: Cathedral/Vaulted, Deck Attached, Great Room, Open Beam Ceiling, View
Heating
- Central
Cooling
- Central Air
Appliances
- Included: Built-In Gas Range, Built-In Refrigerator, Dishwasher, Disposal, Range Hood, Dryer, Washer
- Laundry: Inside Room
Features
- Cathedral Ceiling(s), Formal Entry, Open Beam Ceiling
- Flooring: Tile, Wood
- Windows: Skylight(s)
- Basement: Finished
- Number of fireplaces: 2
- Fireplace features: Family Room, Master Bedroom
Interior area
- Total structure area: 2,589
- Total interior livable area: 2,589 sqft
Video & virtual tour
Property
Parking
- Total spaces: 6
- Parking features: Detached, Enclosed
- Garage spaces: 3
Features
- Levels: Multi/Split
- Stories: 2
- Has spa: Yes
- Spa features: Bath
- Has view: Yes
- View description: Bay, City, City Lights, Downtown, Mountain(s), Panoramic, Ridge, San Francisco, Valley, Vineyard
- Has water view: Yes
- Water view: Bay
Lot
- Size: 6.56 Acres
- Features: Private
Details
- Parcel number: 127540008000
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Modern/High Tech
- Property subtype: Single Family Residence
Materials
- Wood
- Foundation: Concrete Perimeter
- Roof: Composition
Condition
- Year built: 1977
Utilities & green energy
- Gas: Propane Tank Leased
- Sewer: Septic Tank
- Water: Water District
- Utilities for property: Propane Tank Leased
Community & HOA
HOA
- Has HOA: Yes
- Amenities included: Other
- Services included: Internet, Management, Road
- HOA fee: $1,500 quarterly
- HOA name: The Ranch
- HOA phone: 707-584-5123
Location
- Region: Sonoma
Financial & listing details
- Price per square foot: $821/sqft
- Tax assessed value: $2,601,000
- Date on market: 9/12/2025
Estimated market value
Zestimate®
$2,136,700
Estimated sales range
$2.03M - $2.24M
Rent Zestimate®
$6,350/mo
Price history
| Date | Event | Price |
|---|---|---|
| 8/4/2026 | Price change | $2,125,000-3.2%$821/sqft |
Source: | ||
| 7/31/2026 | Listed for sale | $2,195,000$848/sqft |
Source: | ||
| 7/17/2026 | Pending sale | $2,195,000$848/sqft |
Source: | ||
| 7/6/2026 | Price change | $7,500-21.1%$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 6/29/2026 | Listed for rent | $9,500+26.7%$4/sqft |
Source: Zillow Rentals Report a problem | ||
| 6/29/2026 | Listing removed | $7,500$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 6/2/2026 | Price change | $7,500-21.1%$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 5/29/2026 | Price change | $2,195,000-4.6%$848/sqft |
Source: | ||
| 3/24/2026 | Price change | $2,300,000-4.1%$888/sqft |
Source: | ||
| 2/16/2026 | Price change | $9,500-13.6%$4/sqft |
Source: Zillow Rentals Report a problem | ||
| 2/2/2026 | Price change | $2,399,000-1.1%$927/sqft |
Source: | ||
| 10/31/2025 | Listed for rent | $11,000$4/sqft |
Source: Zillow Rentals Report a problem | ||
| 10/24/2025 | Price change | $2,425,000-2.9%$937/sqft |
Source: | ||
| 9/12/2025 | Listed for sale | $2,498,000-8.3%$965/sqft |
Source: | ||
| 10/28/2024 | Listing removed | $2,725,000$1,053/sqft |
Source: | ||
| 7/24/2024 | Listed for sale | $2,725,000+9%$1,053/sqft |
Source: | ||
| 1/19/2024 | Sold | $2,500,000-16.5%$966/sqft |
Source: Public Record Report a problem | ||
| 6/28/2023 | Listed for sale | $2,995,000+77.7%$1,157/sqft |
Source: | ||
| 6/12/2010 | Listing removed | $1,685,000+12.3%$651/sqft |
Source: Alain Pinel Realtors - Sonoma #20926328 Report a problem | ||
| 6/10/2010 | Sold | $1,500,000-11%$579/sqft |
Source: Public Record Report a problem | ||
| 12/5/2009 | Price change | $1,685,000-15.1%$651/sqft |
Source: Alain Pinel Realtors - Sonoma #20926328 Report a problem | ||
| 10/3/2009 | Listed for sale | $1,985,000$767/sqft |
Source: Alain Pinel Realtors - Sonoma #20926328 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | -- | $2,601,000 +2% |
| 2025 | $29,196 +33.3% | $2,550,000 +34.3% |
| 2024 | $21,905 +1.9% | $1,898,263 +2% |
| 2023 | $21,492 +1.5% | $1,861,043 +2% |
| 2022 | $21,181 +1.8% | $1,824,553 +2% |
| 2021 | $20,810 +0% | $1,788,778 +1% |
| 2020 | $20,804 +2.2% | $1,770,437 +2% |
| 2019 | $20,366 +2% | $1,735,723 +2% |
| 2018 | $19,975 +1.6% | $1,701,690 +2% |
| 2017 | $19,658 +5.5% | $1,668,324 +2% |
| 2016 | $18,639 +3.3% | $1,635,613 +1.5% |
| 2015 | $18,052 +1.5% | $1,611,045 +2% |
| 2014 | $17,788 -99% | $1,579,487 +0.5% |
| 2013 | $1,762,040 | $1,572,349 +2% |
| 2012 | -- | $1,541,520 +2% |
| 2011 | -- | $1,511,295 +427.8% |
| 2010 | -- | $286,333 -0.2% |
| 2009 | -- | $287,014 +2% |
| 2008 | -- | $281,387 +2% |
| 2007 | -- | $275,871 +2% |
| 2006 | -- | $270,462 +2% |
| 2005 | -- | $265,159 +2% |
| 2004 | -- | $259,961 +1.9% |
| 2003 | -- | $255,190 +2% |
| 2002 | -- | $250,187 +2% |
| 2001 | -- | $245,282 +2% |
| 2000 | -- | $240,473 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 95476
Nearby schools
GreatSchools rating
- 5/10Prestwood Elementary SchoolGrades: K-5Distance: 1.9 mi
- 4/10Adele Harrison Middle SchoolGrades: 6-8Distance: 2.2 mi
- 7/10Sonoma Valley High SchoolGrades: 9-12Distance: 2.1 mi
Schools provided by the listing agent
- District: Sonoma Valley Union
Source: BAREIS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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