Skip main navigation
Off market
  • $7,490,700

    18550 Halfmoon St, Sonoma, CA 95476

    6beds
    6,304sqft
    SingleFamily
    Built in 2003
    3.01 Acres Lot
    $7,490,700 Zestimate®
    $1,188/sqft
    $23,012 Estimated rent

    Home value

    $7,490,700

    $6.37M - $8.91M

    $23,012/mo

    Zestimate® history
    Loading
    Loading...

    Owner options

    List your home for rent

    $23,012/mo

    Rent Zestimate®

    Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.

    Learn more

    $23,012/mo

    Rent Zestimate®

    Refinance and save

    $47,292/mo

    Est. payment

    Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.

    See today's rates

    $47,292/mo

    Est. payment

    Explore your selling options

    Work with a Zillow partner agent

    Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.

    Get started

    List with your own agent

    Get your home in front of millions of buyers by listing it on Zillow.

    Learn how to do it

    Sell it yourself

    Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).

    List your home

    What's special

    Tranquil 3-acre property with custom home and landscaped gardens ideal for entertaining. Designed with exquisite craftsmanship and thoughtful layout. Main living spaces include a formal dining room w/ fp, living room w/ fp, a theater/media room, octagonal game area, library, and a screened, year-round dining area overlooking the garden. The generous kitchen is fully appointed with commercial grade appliances, Sub-Zero refrigerator, freezer and walk-in pantry. A private wing with adjoining master suites, fireplace, luxurious baths and dressing rooms. Upstairs, two more bright and airy bedrooms/offices have a shared bath and private decks. A charming guest wing has pitched chalet ceilings, private patio and two bedrooms with en suite baths and fireplaces. Private entry, laundry and storage. Estate grounds include pool/spa, cabana, barn, potting shed, art studio, yurt, labyrinth, oak grove, olives. Fruit, flower and vegetable gardens.

    This property is off market, which means it's not currently listed for sale or rent on Zillow. This may be different from what's available on other websites or public sources.

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 6
    • Bathrooms: 7
    • Full bathrooms: 5
    • 1/2 bathrooms: 2
    Appliances
    • Included: Dishwasher
    Features
    • Has fireplace: Yes
    Interior area
    • Total interior livable area: 6,304 sqft

    Property

    Parking
    • Parking features: Garage - Attached
    Features
    • Exterior features: Wood
    • Has view: Yes
    • View description: Territorial, Mountain
    Lot
    • Size: 3.01 Acres
    Details
    • Parcel number: 127111092000

    Construction

    Type & style
    • Home type: SingleFamily
    Materials
    • wood frame
    • Roof: Composition
    Condition
    • Year built: 2003

    Community & HOA

    Location
    • Region: Sonoma

    Financial & listing details

    • Price per square foot: $1,188/sqft
    • Tax assessed value: $5,195,672
    • Annual tax amount: $59,070

    Price history

    DateEventPrice
    9/21/2020Sold$4,800,000-3.9%$761/sqft
    Source: Public Record Report a problem
    8/16/2020Pending sale$4,995,000$792/sqft
    Source: Compass #22014834 Report a problem
    7/1/2020Listed for sale$4,995,000-20.4%$792/sqft
    Source: Compass #22014834 Report a problem
    7/27/2019Listing removed$6,275,000$995/sqft
    Source: Healdsburg Sotheby's Internati #21909884 Report a problem
    4/26/2019Listed for sale$6,275,000-7%$995/sqft
    Source: Healdsburg Sotheby's Internati #21909884 Report a problem
    11/19/2018Listing removed$6,750,000$1,071/sqft
    Source: Healdsburg Sotheby's Internati #21826412 Report a problem
    10/9/2018Listed for sale$6,750,000$1,071/sqft
    Source: Healdsburg Sotheby's Internati #21826412 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$59,070 +1.8%$5,195,672 +2%
    2024$58,013 +1.9%$5,093,797 +2%
    2023$56,916 +1.3%$4,993,920 +2%
    2022$56,166 +1.8%$4,896,000 +2%
    2021$55,169 +155.8%$4,800,000 +161.7%
    2020$21,568 +2.2%$1,834,027 +2%
    2019$21,113 +2.3%$1,798,066 +2%
    2018$20,642 $1,762,811 +2%
    2017-- $1,728,247 +2%
    2016-- $1,694,361 +1.5%
    2015-- $1,668,911 +2%
    2014-- $1,636,220 +0.5%
    2013$1,820,808 $1,628,827 +2%
    2012-- $1,596,890 +2%
    2011-- $1,565,580 +0.8%
    2010-- $1,553,881 -0.2%
    2009-- $1,557,573 +2%
    2008-- $1,527,033 +2%
    2007-- $1,497,092 +2%
    2006-- $1,467,738 +2%
    2005-- $1,438,960 +2.3%
    2004-- $1,407,048 +44.4%
    2003-- $974,531 +68%
    2002-- $579,934 +2%
    2001-- $568,563 +2%
    2000-- $557,414
    Find assessor info on the county website

    Neighborhood: 95476

    Nearby schools

    GreatSchools rating
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $7,490,700
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $7,490,700