$8,800,000

18455 Half Moon St Sonoma, CA 95476

Estimated payment $57,770/month

Total Views 2,179
5 Beds
6 Baths
5,736 Sq Ft
$1,534 Price per Sq Ft

Highlights

  • Wine Cellar
  • Cabana
  • 6.25 Acre Lot
  • Home Theater
  • Built-In Refrigerator
  • View of Hills

About This Home

The minute you arrive at this property you're immediately immersed in the peaceful, naturalsurroundings. The main house boasts spacious bedrooms with ensuite bathrooms, a tranquilprimary suite, and an open living area with a four way fireplace. The kitchen features an islandwith a live edge walnut top, premium appliances and a walk-in pantry. A separate guest housesits above the four car garage and has a treehouse feel as you take in the gorgeoussurroundings from the wraparound balcony. A rare find is the in-ground wine cellar. This spacecan hold an impressive collection of wine and features native rock from around the property.The outdoor entertaining areas are spectacular with an expansive stone patio overlooking thepond complete with a lighted fountain and floating islands. The gardens and landscaping aretruly breathtaking with an incredible variety of plants, flowers, fruit and citrus trees and more.18455 Half Moon Street holds a sense of magic that cannot be found elsewhere.

Listing Agent

Matt Sevenau

Compass License #01890164

Compass

Co-Listing Agent

Maurice Tegelaar

Compass License #01465653

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $103,851

Year Built

  • Built in 2005

Lot Details

  • 6.25 Acre Lot
  • Private Lot
  • Secluded Lot

Parking

  • 4 Car Detached Garage
  • Auto Driveway Gate

Property Views

  • Hills
  • Valley

Home Design

  • Frame Construction
  • Tile Roof
  • Stucco
  • Stone

Interior Spaces

  • 5,736 Sq Ft Home
  • 1-Story Property
  • Beamed Ceilings
  • Cathedral Ceiling
  • Wine Cellar
  • Great Room
  • Living Room with Fireplace
  • 3 Fireplaces
  • Living Room with Attached Deck
  • Formal Dining Room
  • Home Theater
  • Den with Fireplace
  • Storage Room
  • Wood Flooring
  • Security Gate

Kitchen

  • Breakfast Room
  • Walk-In Pantry
  • Built-In Gas Range
  • Range Hood
  • Built-In Refrigerator
  • Ice Maker
  • Concrete Kitchen Countertops

Bedrooms and Bathrooms

  • 5 Bedrooms
  • Fireplace in Primary Bedroom
  • Maid or Guest Quarters
  • Bathroom on Main Level
  • Marble Bathroom Countertops
  • Granite Bathroom Countertops
  • Bathtub
  • Separate Shower

Laundry

  • Laundry in unit
  • Dryer
  • Washer

Pool

  • Cabana
  • In Ground Pool

Outdoor Features

  • Pond

Utilities

  • Central Heating and Cooling System
  • Well
  • Septic System
  • Internet Available

Listing and Financial Details

  • Assessor Parcel Number 127-111-102-000

Home Details

Home Type

Single Family

Est. Annual Taxes

$103,851

Year Built

Built in 2005

Lot Details

0

Parking

4

Listing Details

  • Type: Residential
  • Property Sub Type: Single Family Residence
  • Subtype Description: Detached
  • Directions To Property: From Sonoma Plaza, E. on E. Napa St, left on 7th St E., R Castle Rd, L N. Castle Rd. L Half Moon.
  • Lot Size Acres: 6.2500
  • Levels: One
  • Special Features: None
  • Stories: 0

Interior Features

  • Appliances: Built-In Gas Range, Built-In Refrigerator, Hood Over Range, Ice Maker
  • Number Of Fireplaces: 3
  • Bedrooms: 5
  • Half Bathrooms: 2
  • Full Bathrooms: 4
  • Dining Room Features: Formal Area, Formal Room
  • Living Room Features: Cathedral/Vaulted, Deck Attached, Open Beam Ceiling
  • Flooring: Wood
  • Square Footage: 5736.00
  • Bathroom Features: Granite, Marble, Shower Stall(s), Tub
  • Bathrooms: 6
  • Family Room Features: Great Room
  • Fireplace Features: Den, Living Room, Primary Bedroom
  • Kitchen Features: Breakfast Area, Breakfast Room, Pantry Closet, Slab Counter
  • Room Type: Guest Quarters, Media Room, Storage, Wine Cellar
  • Main Level: Bedroom(s), Dining Room, Full Bath(s), Garage, Kitchen, Living Room, Primary Bedroom, Street Entrance

Exterior Features

  • Construction Materials: Frame, Stone, Stucco, Wood
  • Lot Features: Pond Year Round, Private, Secluded
  • Roof: Tile
  • Pool Features: Built-In, Cabana
  • View: Hills, Valley

Garage/Parking

  • Parking Features: Detached
  • Total Parking Spaces: 20.00
  • Garage Spaces: 4.00
  • Driveway/Sidewalks: Gated, Paved Driveway

Utilities

  • Cooling: Central
  • Security Features: Security Gate
  • Sewer: Septic System
  • Utilities: Internet Available
  • Water Source: Well
  • Heating: Central
  • Laundry Features: Dryer Included, Inside Room, Washer Included

Lot Info

  • Assessor Parcel Number: 127-111-102-000
  • Lot Size Sq Ft: 272250.00

Building Info

  • Year Built: 2005

Multi Family

  • Second Unit Bedrooms: 1
  • Second Unit Full Bathrooms: 1
  • Second Unit Kitchen: Yes
  • Second Unit Occupied: No
  • Second Unit Partial Bathrooms: 0
  • Second Unit Type: Detached

Map

Range of Values:

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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
2023 $103,851 $8,998,433 $3,976,150 $5,022,283
2022 $100,627 $8,821,994 $3,898,187 $4,923,807
2021 $98,828 $8,649,014 $3,821,752 $4,827,262
2020 $98,795 $8,560,330 $3,782,565 $4,777,765
2019 $96,682 $8,392,482 $3,708,398 $4,684,084
2018 $95,291 $8,227,925 $3,635,685 $4,592,240
2017 $93,765 $8,066,595 $3,564,398 $4,502,197
2016 $89,098 $7,908,427 $3,494,508 $4,413,919
2015 $86,254 $7,789,636 $3,442,018 $4,347,618
2014 $84,986 $7,637,049 $3,374,594 $4,262,455
Source: Public Records

Property History

Date Event Price Change Sq Ft Price
04/01/2025 04/01/25 For Sale $8,800,000 -- $1,534 / Sq Ft
Source: Bay Area Real Estate Information Services (BAREIS)

Deed History

Date Type Sale Price Title Company
Grant Deed -- Fidelity Natl Title Co
Grant Deed -- Fidelity Natl Title Co
Grant Deed -- Old Republic Title Co
Grant Deed $2,650,000 Old Republic Title Company
Interfamily Deed Transfer -- --
Source: Public Records

Mortgage History

Date Status Loan Amount Loan Type
Open $4,000,000 New Conventional
Closed $400,000 Adjustable Rate Mortgage/ARM
Previous Owner $2,265,000 Unknown
Previous Owner $2,433,000 Construction
Previous Owner $60,000 Credit Line Revolving
Source: Public Records

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    Matt Sevenau Compass

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Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 325020719

Bay Area Real Estate Information Services (BAREIS)

APN: 127-111-102

California Sonoma County Sonoma 95476

18455 Half Moon St, Sonoma, CA

Homes for Sale in Sonoma, CA

This home is located at 18455 Half Moon St, Sonoma, CA 95476 and is currently priced at $8,800,000, approximately $1,534 per square foot. This property was built in 2005. 18455 Half Moon St is a home located in Sonoma County with nearby schools including Prestwood Elementary School, Adele Harrison Middle School, and Sonoma Valley High School.

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Bay Area Real Estate Information Services (BAREIS) Listing information deemed reliable but not guaranteed. Copyright 2025 Bay Area Real Estate Information Services, Inc. All Right Reserved.

Matt Sevenau
Listing Agent
Matt Sevenau
Section Image
Compass
(707) 760-0387