A sanctuary above Sonoma Plaza in Mission Highlands, this turnkey, fully furnished estate offers a tranquil haven with panoramic views. Set on 22.5+- acres dotted with oaks, the property seamlessly blends modern luxury with charm. Classical elements, from copper turrets to terraced grounds, imbue the estate with timeless elegance. Inside, the spacious living areas, encompassing 7,280+- sq. ft., boast soaring ceilings and walls of glass, creating a seamless indoor-outdoor flow. Four spacious suites, five bathrooms, and two half baths are complemented by three offices, two home theaters, a wine cellar, and tasting room. Across the courtyard, a 640+- sq ft. guest casita offers equally breathtaking views. The primary suite, a serene retreat with fireplace and full bath, opens to a private outdoor shower patio and one of the home theaters. The heart of the home is the kitchen, breakfast room, and family room, bathed in natural light & adorned with rich hardwood floors. Outside, the sun terrace overlooks a captivating infinity-edge pool & spa, while stone steps lead to a bocce court & a shaded swing. The estate also boasts vineyard, arbors, fruit trees, and professionally installed hiking path. This exceptional property offers not just a home, but a lifestyle of refined luxury.
Closed
$5,000,000
17489 Mallard Drive, Sonoma, CA 95476
4beds
7,280sqft
Single Family Residence
Built in 2005
21.44 Acres Lot
$5,421,500 Zestimate®
$687/sqft
$5,046 Estimated rent
Home value
$5,421,500
$4.39M - $6.67M
$5,046/mo
Zestimate® history
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List your homeWhat's special
Fruit treesWine cellarGuest casitaBocce courtPanoramic viewsModern luxuryClassical elements
Zillow last checked:
Listing updated:
Listed by:
Tina Shone DRE #00787338 707-799-7556,
Sotheby's International Realty 707-935-2288,
Amanda Shone DRE #01977204 707-338-8241,
W Real Estate
Bought with:
Maria Lounibos, DRE #01002021
Sotheby's International Realty
Source: BAREIS,MLS#: 325016785
Originating MLS: Sonoma
Originating MLS: SonomaFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 7
- Full bathrooms: 5
- 1/2 bathrooms: 2
Rooms
- Room types: Dining Room, Family Room, Great Room, Guest Quarters, Laundry, Living Room, Wine Cellar, Other
Primary bedroom
- Features: Sitting Area, Walk-In Closet(s)
Bedroom
- Level: Main
Primary bathroom
- Features: Double Vanity, Outside Access, Quartz, Radiant Heat, Shower Stall(s), Soaking Tub
Bathroom
- Features: Double Vanity, Radiant Heat, Shower Stall(s), Tub, Other
- Level: Main
Dining room
- Features: Formal Area, Other
- Level: Main
Family room
- Features: Cathedral/Vaulted, Great Room, Open Beam Ceiling, View, Other
- Level: Main
Kitchen
- Features: Breakfast Area, Breakfast Room, Butlers Pantry, Kitchen Island, Kitchen/Family Combo, Pantry Closet, Skylight(s), Slab Counter
- Level: Main
Living room
- Features: Cathedral/Vaulted, Deck Attached, View, Other
- Level: Main
Heating
- Central, MultiZone, Radiant Floor
Cooling
- Central Air, MultiZone
Appliances
- Included: Other
- Laundry: Inside Room
Features
- Cathedral Ceiling(s), Formal Entry, Open Beam Ceiling, Storage, Wet Bar
- Flooring: Carpet, Tile, Wood
- Has basement: No
- Number of fireplaces: 3
- Fireplace features: Outside, Family Room, Living Room, Master Bedroom, Other
Interior area
- Total structure area: 7,280
- Total interior livable area: 7,280 sqft
Property
Parking
- Total spaces: 12
- Parking features: Attached, Garage Door Opener, Inside Entrance, Side By Side, Paved
- Attached garage spaces: 2
- Uncovered spaces: 10
Features
- Levels: Multi/Split,One
- Stories: 3
- Patio & porch: Patio
- Exterior features: Balcony, Built-In Barbeque, Entry Gate, Fire Pit
- Pool features: Other
- Spa features: In Ground
- Fencing: Partial,Gate
- Has view: Yes
- View description: Mountain(s), Panoramic, Valley, Vineyard
Lot
- Size: 21.44 Acres
- Features: Dead End, Garden, Landscape Misc, Private, Other
Details
- Additional structures: Guest House, Storage, Workshop
- Parcel number: 127022069000
- Special conditions: Standard,Other
- Other equipment: Home Theater
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Stucco, Wood
- Roof: Metal,Tile
Condition
- Year built: 2005
Utilities & green energy
- Electric: Solar Plumbed
- Gas: Propane Tank Leased
- Sewer: Septic Tank
- Water: Private
- Utilities for property: Electricity Connected, Propane Tank Leased
Green energy
- Energy efficient items: Construction, Windows
- Energy generation: Solar
Community & HOA
Community
- Security: Carbon Monoxide Detector(s), Fire Alarm, Security Gate, Smoke Detector(s), Video System, Other
- Subdivision: Mission Highlands
HOA
- Has HOA: No
Location
- Region: Sonoma
Financial & listing details
- Price per square foot: $687/sqft
- Tax assessed value: $5,803,918
- Date on market: 3/19/2025
- Electric utility on property: Yes
Price history
| Date | Event | Price |
|---|---|---|
| 9/24/2025 | Sold | $5,000,000-9.1%$687/sqft |
Source:  BAREIS #325016785 Report a problem | ||
| 8/20/2025 | Pending sale | $5,500,000$755/sqft |
Source: BAREIS #325016785 Report a problem | ||
| 7/28/2025 | Contingent | $5,500,000$755/sqft |
Source: BAREIS #325016785 Report a problem | ||
| 6/20/2025 | Price change | $5,500,000-14%$755/sqft |
Source: BAREIS #325016785 Report a problem | ||
| 3/19/2025 | Listed for sale | $6,395,000-8.6%$878/sqft |
Source: BAREIS #325016785 Report a problem | ||
| 12/16/2024 | Listing removed | $6,995,000$961/sqft |
Source: BAREIS #324016829 Report a problem | ||
| 3/13/2024 | Listed for sale | $6,995,000$961/sqft |
Source: BAREIS #324016829 Report a problem | ||
| 11/23/2023 | Listing removed | $6,995,000$961/sqft |
Source: BAREIS #323009219 Report a problem | ||
| 10/29/2023 | Price change | $6,995,000-6.7%$961/sqft |
Source: BAREIS #323009219 Report a problem | ||
| 7/14/2023 | Listed for sale | $7,500,000-6.2%$1,030/sqft |
Source: BAREIS #323009219 Report a problem | ||
| 12/2/2022 | Listing removed | $7,995,000$1,098/sqft |
Source: BAREIS #322092856 Report a problem | ||
| 10/17/2022 | Listed for sale | $7,995,000$1,098/sqft |
Source: BAREIS #322092856 Report a problem | ||
| 8/12/2022 | Listing removed | $7,995,000$1,098/sqft |
Source: BAREIS #322023486 Report a problem | ||
| 3/23/2022 | Listed for sale | $7,995,000+2975%$1,098/sqft |
Source: BAREIS #322023486 Report a problem | ||
| 3/5/1998 | Sold | $260,000$36/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | -- | $5,803,918 +2% |
| 2025 | $64,586 +1.8% | $5,690,117 +2% |
| 2024 | $63,431 +1.9% | $5,578,547 +2% |
| 2023 | $62,231 +1.3% | $5,469,165 +2% |
| 2022 | $61,421 +1.8% | $5,361,927 +2% |
| 2021 | $60,328 +0% | $5,256,792 +1% |
| 2020 | $60,309 +2.2% | $5,202,891 +2% |
| 2019 | $59,024 +1.6% | $5,100,875 +2% |
| 2018 | $58,092 | $5,000,859 +2% |
| 2017 | -- | $4,902,803 +2% |
| 2016 | $54,300 | $4,806,671 +1.5% |
| 2015 | -- | $4,734,471 +3.1% |
| 2014 | -- | $4,592,710 +0.8% |
| 2013 | $5,060,310 | $4,556,954 +858.7% |
| 2003 | -- | $475,338 +2% |
| 2002 | -- | $466,018 +69.1% |
| 2001 | -- | $275,508 +2% |
| 2000 | -- | $270,106 |
Find assessor info on the county website
Neighborhood: 95476
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Nearby schools
GreatSchools rating
- 3/10Sassarini Elementary SchoolGrades: K-5Distance: 1.9 mi
- 2/10Altimira Middle SchoolGrades: 6-8Distance: 2.1 mi
- 7/10Sonoma Valley High SchoolGrades: 9-12Distance: 2.4 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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Estimated market value
$5,421,500
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Estimated market value
$5,421,500
- California
- Sonoma County
- Sonoma
- 95476
- 17489 Mallard Drive
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