NOT LISTED FOR SALE

1823 Mount Conness Way Antioch, CA 94531

Lone Tree Valley Neighborhood

Estimated Value: $639,000 - $727,432

4 Beds
2 Baths
2,066 Sq Ft
$323/Sq Ft Est. Value

Sale Details

Date Sold: May 5, 2020

Last sale price $525,000 $254 Per Sq Ft

Est. 27% increase in value since last sale

Current estimated payment $4,134 / mo

34 Days on Market

Highlights

  • Solar Heated In Ground Pool
  • No HOA
  • 3 Car Direct Access Garage
  • Family Room with Fireplace
  • Breakfast Area or Nook
  • Cooling Available

About This Home

As of May 2020

Your forever home awaits! This is the dream home you've been waiting for in the neighborhood of Antioch. Lovely 4 bedroom single story nestled along side a private backyard perfect for entertaining with pool and waterfall that is sure to delight you! Wonderful open floor plan, two sided gas burning fireplace, central heat and air, three car garage with built in EV connector charger and a private master suite with walk-in closet, tub, shower stall & dual sinks are just some of the features that make this home perfect for your family!

Last Agent to Sell the Property

Ulrich Gabriel

Century Medallion Of Los Gatos License #02055913 Listed on: 01/23/2020

Last Buyer's Agent

Kenneth Session

Session Real Estate License #01966148

Home Details

Home Type

  • Single Family

Year Built

  • Built in 2000

Lot Details

  • 9,197 Sq Ft Lot

Parking

  • 3 Car Direct Access Garage
  • Garage Door Opener

Home Design

  • Slab Foundation
  • Tile Roof
  • Stucco

Interior Spaces

  • 1-Story Property
  • Two Way Fireplace
  • Family Room with Fireplace
  • 2 Fireplaces
  • Living Room with Fireplace

Kitchen

  • Breakfast Area or Nook
  • Built-In Self-Cleaning Oven
  • Gas Range
  • Microwave
  • Dishwasher
  • Tile Countertops
  • Disposal

Flooring

  • Carpet
  • Laminate
  • Tile

Bedrooms and Bathrooms

  • 4 Bedrooms
  • 2 Full Bathrooms

Pool

  • Solar Heated In Ground Pool
  • Gas Heated Pool

Utilities

  • Cooling Available
  • Forced Air Heating System

Community Details

  • No Home Owners Association
  • Black Diamond Kn Subdivision

Listing and Financial Details

  • Assessor Parcel Number 0555000454

Home Details

Home Type

Single Family

Year Built

Built in 2000

Lot Details

9,197 Sq Ft Lot

Parking

3

Listing Details

  • Stories: 1
  • Year Built: 2000
  • Property Sub Type: Detached
  • Prop. Type: Residential
  • Subdivision Name: Black Diamond Kn
  • Directions: Dallas Ranch to Prewett Ranch to Mount Conness Way
  • Architectural Style: Ranch
  • Garage Yn: Yes
  • Unit Levels: One Story
  • New Construction: No
  • Special Features: None

Interior Features

  • Flooring: Laminate, Tile, Carpet
  • Appliances: Dishwasher, Gas Range, Microwave, Oven, Self Cleaning Oven
  • Full Bathrooms: 2
  • Total Bedrooms: 4
  • Fireplace Features: Family Room, Living Room, Two-Way
  • Fireplaces: 2
  • Fireplace: Yes
  • Window Features: Window Coverings
  • Room Kitchen Features: Breakfast Nook, Counter - Tile, Dishwasher, Garbage Disposal, Gas Range/Cooktop, Microwave, Oven Built-in, Self-Cleaning Oven

Exterior Features

  • Roof: Tile
  • Pool Features: Gas Heat, In Ground, Solar Heat
  • Pool Private: Yes
  • Construction Type: Stucco
  • Foundation Details: Slab
  • Property Condition: Existing

Garage/Parking

  • Garage Spaces: 3
  • Parking Features: Int Access From Garage, Other, Garage Door Opener

Utilities

  • Heating: Forced Air
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Electric: No Solar

Condo/Co-op/Association

  • Association: No

Lot Info

  • Lot Size Sq Ft: 9197
  • Parcel Number: 0555000454

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

Closed on
Feb 5, 2024
Sold by
Bought by
Current Estimated Value
$667,108

Purchase Details

Listed on
Jan 23, 2020
Closed on
Apr 22, 2020
Sold by
Bought by
Seller's Agent
Ulrich Gabriel
Century Medallion Of Los Gatos
Buyer's Agent
Kenneth Session
Session Real Estate
List Price
$520,000
Sold Price
$525,000
Premium/Discount to List
$5,000
0.96%

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
3.96%
Original Mortgage
$515,490
Interest Rate
3.6%
Mortgage Type
FHA

Purchase Details

Closed on
May 7, 2018
Sold by
Bought by

Purchase Details

Closed on
Mar 19, 2014
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$338,400
Interest Rate
4.25%
Mortgage Type
New Conventional

Purchase Details

Closed on
Feb 16, 2013
Sold by
Bought by

Purchase Details

Closed on
Sep 26, 2012
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$150,000
Interest Rate
3.59%
Mortgage Type
New Conventional

Purchase Details

Closed on
Jun 28, 2012
Sold by
Bought by

Purchase Details

Closed on
Sep 12, 2001
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$52,500
Interest Rate
6.91%
Mortgage Type
Credit Line Revolving

Purchase Details

Closed on
May 9, 2001
Sold by
Bought by

Purchase Details

Closed on
Sep 8, 2000
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$229,491
Interest Rate
8.13%
Mortgage Type
Stand Alone First

Purchase Details

Closed on
Sep 7, 2000
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$229,491
Interest Rate
8.13%
Mortgage Type
Stand Alone First
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

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Average Value
Not Available
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
-- None Listed On Document
$525,000 First American Title Company
$525,000 Old Republic Title Company
$376,000 Old Republic Title Company
-- None Available
$285,000 Old Republic Title Company
$216,000 Fidelity National Title Co
-- Fidelity National Title Co
-- Fidelity National Title Co
-- --
-- First American Title Guarant
$262,500 First American Title Guarant
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
Previous Owner $515,490
Previous Owner $338,400
Previous Owner $150,000
Previous Owner $52,500
Previous Owner $229,491
Closed $39,340
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
06/16/2025 06/16/25 Off Market $525,000 -- --
02/04/2025 02/04/25 Off Market $525,000 -- --
05/05/2020 05/05/20 Sold $525,000 +1.0% $254 / Sq Ft
02/26/2020 02/26/20 Pending -- -- --
02/25/2020 02/25/20 For Sale $520,000 0.0% $252 / Sq Ft
02/11/2020 02/11/20 Pending -- -- --
01/24/2020 01/24/20 Price Changed $520,000 +0.2% $252 / Sq Ft
01/23/2020 01/23/20 For Sale $519,000 -- $251 / Sq Ft
Source: Contra Costa Association of REALTORS®

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 $6,625 $574,160 $218,727 $355,433
2024 $6,242 $562,903 $214,439 $348,464
2023 $6,242 $551,867 $210,235 $341,632
2022 $6,142 $541,047 $206,113 $334,934
2021 $5,959 $530,439 $202,072 $328,367
2019 $6,120 $535,500 $142,800 $392,700
2018 $4,593 $405,088 $118,509 $286,579
2017 $4,498 $397,146 $116,186 $280,960
2016 $4,390 $389,359 $113,908 $275,451
2015 $4,631 $383,511 $112,197 $271,314
2014 $4,336 $286,293 $40,181 $246,112
Source: Public Records

Agents Affiliated with this Home

  • Ulrich Gabriel

    Seller's Agent in 2020

    Ulrich Gabriel

    Century Medallion Of Los Gatos

    (510) 778-5551

    1 in this area

    28 Total Sales

    Ulrich Gabriel
    Section Image
  • Kenneth Session

    Buyer's Agent in 2020

    Kenneth Session

    Session Real Estate

    (510) 290-7990

    14 Total Sales

    Kenneth Session
    Section Image
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Map

Source: Contra Costa Association of REALTORS®

MLS Number: 40893227

Contra Costa Association of REALTORS®

APN: 055-500-045-4

California Contra Costa County Antioch 94531 Lone Tree Valley

1823 Mount Conness Way, Antioch, CA

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Contra Costa Association of REALTORS® Bay East ©2026. BridgeMLS ©2026, CCAR ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, BridgeMLS or CCAR MLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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