NOT LISTED FOR SALE

Estimated Value: $197,000 - $378,000

1 Bed
1 Bath
500 Sq Ft
$549/Sq Ft Est. Value

About This Home

This home is located at 109 W 20th St, Antioch, CA 94509 and is currently estimated at $274,382, approximately $548 per square foot. 109 W 20th St is a home located in Contra Costa County with nearby schools including Fremont Elementary School, Antioch Middle School, and Antioch High School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Oct 21, 2025
Sold by
Mercado Geronimo
Bought by
Mercado Guzman Geronimo
Current Estimated Value
$274,382

Purchase Details

Closed on
Feb 21, 2023
Sold by
Guzman Geronimo Mercado
Bought by
Mercado Geronimo

Purchase Details

Closed on
Dec 28, 2017
Sold by
Mercado Geronimo
Bought by
Mercado Geronimo and Guzman Geronimo Mercado

Purchase Details

Closed on
May 23, 2017
Sold by
Guzman Geronimo Mercado
Bought by
Mercado Geronimo

Purchase Details

Closed on
Jul 8, 2015
Sold by
Mercado Geronimo
Bought by
Mercado Geronimo and Guzman Geronimo Mercado

Purchase Details

Closed on
Jun 1, 2011
Sold by
Guzman Josefina
Bought by
Mercado Geronimo

Purchase Details

Closed on
Mar 3, 2011
Sold by
Brand Leonard
Bought by
U S Bank National Association

Purchase Details

Closed on
Aug 20, 2010
Sold by
Brand Leonard
Bought by
U S Bank National Association

Purchase Details

Closed on
Feb 4, 2009
Sold by
Decker Sharlene
Bought by
Decker Sharlene and Magana Pamela

Purchase Details

Closed on
Feb 23, 2006
Sold by
Johnson Marie
Bought by
Brand Leonard

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$212,000
Interest Rate
6.5%
Mortgage Type
Purchase Money Mortgage
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
Mercado Guzman Geronimo -- None Listed On Document
Mercado Geronimo -- --
Mercado Geronimo -- None Available
Mercado Geronimo -- None Available
Mercado Geronimo -- None Available
Mercado Geronimo -- Multiple
Mercado Geronimo $42,000 Servicelink
U S Bank National Association $61,000 Accommodation
U S Bank National Association $61,000 Accommodation
Decker Sharlene -- None Available
Brand Leonard $265,000 Financial Title Company
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Previous Owner Brand Leonard $212,000
Source: Public Records

Tax History Compared to Growth

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 $1,179 $53,796 $38,430 $15,366
2024 $1,089 $52,742 $37,677 $15,065
2023 $1,089 $51,709 $36,939 $14,770
2022 $1,079 $50,696 $36,215 $14,481
2021 $1,037 $49,703 $35,505 $14,198
2019 $996 $48,230 $34,452 $13,778
2018 $960 $47,285 $33,777 $13,508
2017 $928 $46,359 $33,115 $13,244
2016 $887 $45,451 $32,466 $12,985
2015 $865 $44,769 $31,979 $12,790
2014 $833 $43,893 $31,353 $12,540
Source: Public Records

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