NOT LISTED FOR SALE

1645 Observation Ct Antioch, CA 94531

Lone Tree Valley Neighborhood

Estimated Value: $912,000 - $951,647

6 Beds
4 Baths
3,871 Sq Ft
$240/Sq Ft Est. Value

About This Home

This home is located at 1645 Observation Ct, Antioch, CA 94531 and is currently estimated at $927,162, approximately $239 per square foot. 1645 Observation Ct is a home located in Contra Costa County with nearby schools including Lone Tree Elementary School, Dallas Ranch Middle School, and Deer Valley High School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Sep 26, 2025
Sold by
Mattos Diana Jean
Bought by
Diana Jean Mattos Trust and Mattos
Current Estimated Value
$887,210

Purchase Details

Closed on
Apr 22, 2022
Sold by
Diaz Conrado I
Bought by
Diaz Conrado I and Mattos Diana Jean

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$233,000
Interest Rate
4.16%
Mortgage Type
New Conventional

Purchase Details

Closed on
May 20, 2003
Sold by
Diaz Conrad I and Bobadilla Elizabeth M
Bought by
Diaz Conrad I

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$399,000
Interest Rate
5.75%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
Sep 20, 2002
Sold by
Meritage Homes Of Northern Ca Inc
Bought by
Diaz Conrad I and Bobadilla Elizabeth M

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$392,950
Interest Rate
6.24%
Mortgage Type
Purchase Money Mortgage

Purchase Details

Closed on
May 20, 2002
Sold by
Inca Capital Fund 9 Llc
Bought by
Meritage Homes Of Northern Ca Inc
Source: Public Records

Range of Values:

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

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ICE

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First American

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Quantarium

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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

Date Buyer Sale Price Title Company
Diana Jean Mattos Trust -- None Listed On Document
Diaz Conrado I -- Placer Title
Diaz Conrad I $199,500 Alliance Title Company
Diaz Conrad I $491,500 First American Title
Meritage Homes Of Northern Ca Inc -- North American Title Co
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Previous Owner Diaz Conrado I $233,000
Previous Owner Diaz Conrad I $399,000
Previous Owner Diaz Conrad I $392,950
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
2025 $9,582 $837,377 $168,945 $668,432
2024 $8,979 $820,959 $165,633 $655,326
2023 $8,979 $804,863 $162,386 $642,477
2022 $8,834 $789,082 $159,202 $629,880
2021 $7,568 $675,500 $136,287 $539,213
2019 $7,434 $657,000 $132,554 $524,446
2018 $7,235 $652,000 $131,546 $520,454
2017 $6,602 $591,000 $119,239 $471,761
2016 $6,393 $573,000 $115,607 $457,393
2015 $6,098 $508,500 $102,594 $405,906
2014 $6,724 $488,500 $98,559 $389,941
Source: Public Records

Map

California Contra Costa County Antioch 94531 Lone Tree Valley

1645 Observation Ct, Antioch, 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.

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