NOT LISTED FOR SALE

18890 Prospect Dr Sonoma, CA 95476

Sonoma Area

Estimated Value: $1,108,000 - $1,658,197

3 Beds
3 Baths
2,536 Sq Ft
$530/Sq Ft Est. Value

Sale Details

Date Sold: July 17, 2025

Last sale price $1,125,000 $444 Per Sq Ft

Est. 19% increase in value since last sale

Current estimated payment $7,791 / mo

75 Days on Market

Highlights

  • Barn
  • Pool House
  • View of Trees or Woods
  • 1 to 6 Horse Stalls
  • Solar Power System
  • 1.3 Acre Lot

About This Home

As of July 2025

Majestic views of the Sonoma Mountains define this 3BD/3BA home on 1.3 acres in the scenic Diamond A Ranch communityjust 10 minutes to Sonoma's historic plaza and 1 hour to SF. Nestled among the trees, the home offers privacy, forested beauty, and a large view deck perfect for indoor/outdoor entertaining. Vaulted ceilings with exposed beams, a formal dining area, and a bright living room frame expansive mountain vistas. The lower-level den connects to a full bath, garage, and patio with steps down to a large brick and stone patio with a seasonal creekside dining area. Horse enthusiasts will appreciate the two-stall barn with electric, water, and a spacious tack room, plus a barn-side gated turnout and a pasture beyond the creek. Optional membership to the Diamond A Rec Center offers a pool, tennis/pickleball, Bocce, clubhouse, equestrian arena, and more. Features include leased solar, wood-trimmed double-pane windows, and a Tuff Shed, conveniently accessible from Prospect Drive. A truly peaceful and inspiring Wine Country setting.

Last Agent to Sell the Property

Christine Benson

Coldwell Banker Brokers of the License #00935749 Listed on: 04/16/2025

Coldwell Banker Brokers of the

Co-Listed By

David Wurst

Coldwell Banker Brokers of the License #DRE #01850374

Last Buyer's Agent

Dana Cappiello

Sotheby's Intl Rlty License #01343305

Sotheby's Intl Rlty

Home Details

Home Type

  • Single Family

Year Built

  • Built in 1983

Lot Details

  • 1.3 Acre Lot
  • Wood Fence
  • Back Yard Fenced
  • Aluminum or Metal Fence
  • Landscaped
  • Private Lot
  • Secluded Lot

Parking

  • 2 Car Attached Garage
  • Front Facing Garage
  • Garage Door Opener
  • Driveway

Property Views

  • Woods
  • Mountain
  • Hills

Home Design

  • Traditional Architecture
  • Side-by-Side
  • Combination Foundation
  • Raised Foundation
  • Slab Foundation
  • Tile Roof
  • Wood Siding
  • Stucco
  • Stone

Interior Spaces

  • 2,536 Sq Ft Home
  • 2-Story Property
  • Beamed Ceilings
  • Cathedral Ceiling
  • Wood Burning Fireplace
  • Double Pane Windows
  • Family Room
  • Living Room with Attached Deck
  • Formal Dining Room
  • Home Office
  • Storage Room
  • Partial Basement
  • Attic

Kitchen

  • Free-Standing Electric Oven
  • Free-Standing Electric Range
  • Range Hood
  • Microwave
  • Freezer
  • Dishwasher
  • Quartz Countertops
  • Disposal

Flooring

  • Carpet
  • Tile
  • Vinyl

Bedrooms and Bathrooms

  • 3 Bedrooms
  • Primary Bedroom on Main
  • Walk-In Closet
  • Bathroom on Main Level
  • 3 Full Bathrooms

Laundry

  • Laundry in unit
  • Electric Dryer Hookup

Home Security

  • Carbon Monoxide Detectors
  • Fire and Smoke Detector

Eco-Friendly Details

  • Solar Power System
  • Solar owned by a third party

Outdoor Features

  • Pool House
  • Shed

Farming

  • Barn
  • Electricity in Barn
  • Fenced For Horses

Horse Facilities and Amenities

  • 1 to 6 Horse Stalls
  • Tack Room

Utilities

  • No Cooling
  • Central Heating
  • Heating System Uses Gas
  • Property is located within a water district
  • Septic Pump
  • Septic System
  • Cable TV Available

Listing and Financial Details

  • Assessor Parcel Number 064-070-028-000

Community Details

Overview

  • Stream Seasonal

Recreation

  • Community Pool

Home Details

Home Type

Single Family

Year Built

Built in 1983

Lot Details

1.3 Acres

Parking

2

Listing Details

  • Interior Amenities: Cathedral Ceiling, Open Beam Ceiling
  • Type: Residential
  • Property Sub Type: Single Family Residence
  • Subtype Description: Detached
  • Directions To Property: Arnold Dr. > Grove St. > R on Spring > L. on Prospect Dr.
  • Lot Size Acres: 1.3000
  • Stories: 2
  • Levels: Two
  • ArchitecturalStyle: Traditional
  • Reso Window Features: Dual Pane Full
  • Special Features: None

Interior Features

  • Appliances: Dishwasher, Disposal, Free Standing Electric Oven, Free Standing Electric Range, Free Standing Freezer, Free Standing Refrigerator, Hood Over Range, Microwave
  • Number Of Fireplaces: 1
  • Bedrooms: 3
  • Full Bathrooms: 3
  • Dining Room Features: Dining/Living Combo, Formal Area
  • Living Room Features: Cathedral/Vaulted, Deck Attached, Open Beam Ceiling
  • Basement: Partial
  • Flooring: Carpet, Tile, Vinyl
  • Square Footage: 2536.00
  • Bathrooms: 3
  • Fireplace Features: Wood Burning
  • Kitchen Features: Quartz Counter
  • Room Type: Attic, Den, Family Room, Kitchen, Living Room, Primary Bathroom, Primary Bedroom, Office, Storage
  • Lower Level: Full Bath(s), Garage
  • Main Level: Bedroom(s), Dining Room, Family Room, Full Bath(s), Kitchen, Living Room, Primary Bedroom
  • PrimaryBedroomFeatures: Walk-In Closet

Exterior Features

  • Construction Materials: Stone, Stucco, Wood Siding
  • Foundation: Combination, Raised, Slab
  • Lot Features: Landscape Back, Landscape Front, Landscape Misc, Private, Secluded, Stream Seasonal
  • Property Condition: Original
  • Roof: Tile
  • Fencing: Back Yard, Metal, Partial, Wood
  • OtherStructures: Barn(s), Shed(s)
  • Patio And Porch Features: Uncovered Deck
  • Pool Features: Common Facility, Pool House
  • View: Hills, Mountains, Woods

Garage/Parking

  • Parking Features: Attached, Garage Door Opener, Garage Facing Front, Side-by-Side
  • Total Parking Spaces: 4.00
  • Garage Spaces: 2.00
  • Driveway/Sidewalks: Maintenance Agreement, Paved Driveway

Utilities

  • Cooling: None
  • Electric: Photovoltaics Third-Party Owned
  • Security Features: Carbon Mon Detector, Smoke Detector
  • Sewer: Septic Pump, Septic System
  • Utilities: Cable Available, Electric, Solar
  • Water Source: Water District
  • Heating: Central, Fireplace(s), Gas
  • Laundry Features: Electric, Inside Area, See Remarks

Lot Info

  • Horse Property Features: 1-6 Stalls, Barn w/Electricity, Barn(s), Fenced, Tack Room
  • Assessor Parcel Number: 064-070-028-000
  • Lot Size Sq Ft: 56628.00

Building Info

  • Year Built: 1983

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
Apr 16, 2025
Closed on
Jul 7, 2025
Sold by
Bought by
Seller's Agent
Christine Benson
Coldwell Banker Brokers of the
Buyer's Agent
Dana Cappiello
Sotheby's Intl Rlty
List Price
$1,275,000
Sold Price
$1,125,000
Premium/Discount to List
-$150,000
-11.76%
Views
58
Current Estimated Value
$1,344,049

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$219,049
Avg. Annual Appreciation
18.85%
Original Mortgage
$1,687,500
Outstanding Balance
$1,492,220
Interest Rate
6.3%
Mortgage Type
Reverse Mortgage Home Equity Conversion Mortgage
Estimated Equity
-$148,171

Purchase Details

Closed on
Apr 6, 2016
Sold by
Bought by
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
$1,125,000 Fidelity National Title Compan
-- None Available
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Open $1,687,500
Closed $1,687,500
Previous Owner $50,000
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
07/17/2025 07/17/25 Sold $1,125,000 0.0% $444 / Sq Ft
06/30/2025 06/30/25 Pending -- -- --
06/16/2025 06/16/25 Price Changed $1,125,000 -5.9% $444 / Sq Ft
06/12/2025 06/12/25 Price Changed $1,195,000 -2.4% $471 / Sq Ft
05/14/2025 05/14/25 Price Changed $1,225,000 -3.9% $483 / Sq Ft
04/16/2025 04/16/25 For Sale $1,275,000 -- $503 / Sq Ft
Source: Bay Area Real Estate Information Services (BAREIS)

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

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 $5,621 $459,241 $152,338 $306,903
2024 $5,513 $450,237 $149,351 $300,886
2023 $5,513 $441,410 $146,423 $294,987
2022 $5,326 $432,755 $143,552 $289,203
2021 $5,208 $424,271 $140,738 $283,533
2020 $5,173 $419,921 $139,295 $280,626
2019 $4,960 $411,688 $136,564 $275,124
2018 $4,902 $403,617 $133,887 $269,730
2017 $4,827 $395,704 $131,262 $264,442
2016 $4,536 $387,946 $128,689 $259,257
2015 $4,398 $382,119 $126,756 $255,363
2014 $4,336 $374,635 $124,274 $250,361
Source: Public Records

Agents Affiliated with this Home

  • Christine Benson

    Seller's Agent in 2025

    Christine Benson

    Coldwell Banker Brokers of the

    (510) 816-7958

    81 Total Sales

    Christine Benson
    Section Image

  • D

    Seller Co-Listing Agent in 2025

    David Wurst

    Coldwell Banker Brokers of the

    28 Total Sales

    David Wurst
    Section Image
  • Dana Cappiello

    Buyer's Agent in 2025

    Dana Cappiello

    Sotheby's Intl Rlty

    (415) 264-5464

    35 Total Sales

    Dana Cappiello
    Section Image
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Map

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 325033329

Bay Area Real Estate Information Services (BAREIS)

APN: 064-070-028

California Sonoma County Sonoma 95476

18890 Prospect Dr, 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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