$445,000
SOLD JUL 20, 2026

509 San Joaquin Ave Antioch, CA 94509

Contra Loma Neighborhood
3 Beds
1 Bath
788 Sq Ft
6,000 Sq Ft Lot

Sale Details

Date Sold: July 20, 2026

$565 Per Sq Ft

5% Above List Price

5 Days on Market

Highlights

  • Stone Countertops
  • No HOA
  • Back, Front, and Side Yard
  • Terrace
  • 1 Car Attached Garage
  • Shed

About This Home

As of July 2026

Super cute house in a terrific location with a large yard! Nicely updated with plank laminate flooring, granite counter tops, modern fixtures, appliances and LED lighting. Great floorplan. Large back yard with great privacy and storage / out buildings. Home and pest inspections on file, this home is in great shape! Sparkling clean and move in ready, come see for yourself.

Last Agent to Sell the Property

Paul Tichenor

ROMARCO PROPERTIES License #01328162 Listed on: 06/04/2026

Last Buyer's Agent

Veronica Tang

Radius Agent Realty License #02232272

Radius Agent Realty

Range of Values:

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

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List Price
Sold Price
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Home Details

Home Type

  • Single Family

Year Built

  • Built in 1954

Lot Details

  • 6,000 Sq Ft Lot
  • Dog Run
  • Fenced
  • Rectangular Lot
  • Lot Sloped Up
  • Back, Front, and Side Yard
  • Garden

Parking

  • 1 Car Attached Garage

Home Design

  • Wood Siding
  • Stucco

Interior Spaces

  • 788 Sq Ft Home
  • 1-Story Property
  • Ceiling Fan
  • Window Treatments
  • Family Room
  • Laminate Flooring
  • Carbon Monoxide Detectors
  • Washer and Dryer Hookup

Kitchen

  • Gas Range
  • Microwave
  • Dishwasher
  • Stone Countertops

Bedrooms and Bathrooms

  • 3 Bedrooms
  • 1 Full Bathroom

Outdoor Features

  • Terrace
  • Shed

Utilities

  • Cooling System Mounted To A Wall/Window
  • Wall Furnace
  • Gas Water Heater

Community Details

  • No Home Owners Association
  • Delta Association
  • Antioch Subdivision

Home Details

Home Type

Single Family

Year Built

Built in 1954

Lot Details

6,000 Sq Ft Lot

Parking

1

Listing Details

  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Fencing: Fenced
  • Lot Features: Rectangular Lot, Sloped Up, Back Yard, See Remarks
  • LotSizeAcres: 0.14
  • Security Features: Carbon Monoxide Detector(s)
  • Has HOA?: No
  • Co List Office Mls Id: DROMARCO
  • Special Conditions: Standard
  • Subdivision Name: ANTIOCH
  • Architectural Style: Ranch
  • Has Cooling?: Yes
  • Has Fireplace?: No
  • Living Area: 788
  • Is New Construction?: No
  • Year Built: 1954
  • Special Features: None

Interior Features

  • Appliances: Dishwasher, Gas Range, Microwave, Gas Water Heater
  • Other Equipment: Other
  • Full Bathrooms: 1
  • Total Bedrooms: 3
  • Fireplace Features: None
  • Flooring: Laminate
  • Interior Amenities: Family Room
  • Stories: 1
  • Window Features: Window Coverings
  • RoomKitchenFeatures: Stone Counters, Dishwasher, Gas Range/Cooktop, Microwave, Other

Exterior Features

  • Pool Features: None
  • Has Private Pool?: No
  • Construction Type: Stucco, Wood Siding
  • Exterior Features: Back Yard, Dog Run, Front Yard, Garden/Play, Side Yard, Storage, Terraced Up, Other, Garden
  • Other Structures: Shed(s)
  • Property Condition: Existing

Garage/Parking

  • Has Attached Garage?: No
  • Has Carport?: No
  • Covered Parking Spaces: 1
  • Garage Spaces: 1
  • Has Attached Garage?: Yes
  • Parking Features: Attached

Utilities

  • Laundry Features: Hookups Only
  • Cooling: Ceiling Fan(s), Wall/Window Unit(s)
  • Heating: Wall Furnace
  • Heating Yn: Yes
  • Electric: No Solar
  • Sewer: Public Sewer
  • Water Source: Public

Condo/Co-op/Association

  • Association Name: DELTA

Lot Info

  • Lot Size Sq Ft: 6000

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
Sep 6, 2012
Sold by
Romarco #4 Lp
Bought by

Purchase Details

Closed on
May 8, 2012
Sold by
Romarco #2 Lp
Bought by
Romarco #4 Lp

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$68,250
Interest Rate
3.98%
Mortgage Type
Unknown

Purchase Details

Closed on
Apr 2, 2012
Sold by
Curl Scott G and Curl Jennifer M
Bought by
Romarco#2 Lp

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$68,250
Interest Rate
3.98%
Mortgage Type
Unknown

Purchase Details

Closed on
Apr 8, 2005
Sold by
Curl Scott G
Bought by
Curl Scott G and Curl Jennifer M

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$272,000
Interest Rate
5.77%
Mortgage Type
New Conventional

Purchase Details

Closed on
Aug 15, 2000
Sold by
Trujillo and Mona
Bought by
Curl Scott G

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$158,937
Interest Rate
8.15%
Mortgage Type
FHA
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Agents Specializing in Contra Loma, CA

  • Derek Han Real Estate Agent - Bhg Reliance Partners

    Derek Han

    Bhg Reliance Partners

    (510) 851-9881

    145 Total Sales

    2 in Contra Loma

    $550K - $667K Price Range

    Derek Han
     Section Image
  • Sedar S. Juarez Real Estate Agent - Luxe Realty Group

    Sedar S. Juarez

    Luxe Realty Group

    (925) 940-6663

    91 Total Sales

    7 in Contra Loma

    $260K - $745K Price Range

    Sedar S. Juarez
     Section Image
  • Ernest Salinas Real Estate Agent - eXp Realty of California Inc

    Ernest Salinas

    eXp Realty of California Inc

    (415) 993-5842

    108 Total Sales

    1 in Contra Loma

    $555,000 Price

    Ernest Salinas
     Section Image
  • James Britto Real Estate Agent - Bay Area Properties

    James Britto

    Bay Area Properties

    (925) 326-6303

    17 Total Sales

    4 in Contra Loma

    $85K - $630K Price Range

    James Britto
     Section Image
  • Cielo Fuentes Real Estate Agent - Keenan Howard Realty, Inc.

    Cielo Fuentes

    Keenan Howard Realty, Inc.

    (341) 999-5011

    69 Total Sales

    1 in Contra Loma

    $510,000 Price

    Cielo Fuentes
     Section Image
  • Laura Nelson Real Estate Agent - EXP Realty

    Laura Nelson

    EXP Realty

    (925) 396-8308

    80 Total Sales

    3 in Contra Loma

    $452K - $555K Price Range

    Laura Nelson
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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 Type Sale Price Title Company
Grant Deed -- None Available
Grant Deed -- Fidelity National Title Co
Trustee Deed $81,000 None Available
Interfamily Deed Transfer -- Alliance Title Company
Grant Deed $160,000 American Title Co
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 Loan Amount Loan Type
Open $5,414,851 New Conventional
Closed $4,500,000 Commercial
Previous Owner $68,250 Unknown
Previous Owner $272,000 New Conventional
Previous Owner $179,000 Unknown
Previous Owner $158,937 FHA
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
07/20/2026 07/20/26 Sold $445,000 +4.7% $565 / Sq Ft
06/09/2026 06/09/26 Pending -- -- --
06/04/2026 06/04/26 For Sale $425,000 -- $539 / Sq Ft
Source: bridgeMLS

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
2026 $2,085 $138,280 $56,517 $81,763
2025 $2,085 $135,569 $55,409 $80,160
2024 $1,957 $132,912 $54,323 $78,589
2023 $1,957 $130,307 $53,258 $77,049
2022 $1,932 $127,753 $52,214 $75,539
2021 $1,856 $125,249 $51,191 $74,058
2019 $1,813 $121,536 $49,674 $71,862
2018 $1,749 $119,153 $48,700 $70,453
2017 $1,699 $116,818 $47,746 $69,072
2016 $1,646 $114,528 $46,810 $67,718
2015 $1,622 $112,808 $46,107 $66,701
2014 $1,569 $110,599 $45,204 $65,395
Source: Public Records

Agents Affiliated with this Home

  • PT

    Seller's Agent in 2026

    Paul Tichenor

    ROMARCO PROPERTIES

    (925) 997-6434

    11 in this area

    73 Total Sales

    Paul Tichenor
    Section Image

  • VT

    Buyer's Agent in 2026

    Veronica Tang

    Radius Agent Realty

    (707) 631-2609

    1 in this area

    7 Total Sales

    Veronica Tang
    Section Image
See All Agents

Map

Source: bridgeMLS

MLS Number: 41137202

bridgeMLS

APN: 071-034-007-6

California Contra Costa County Antioch 94509 Contra Loma

509 San Joaquin Ave, 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.

bridgeMLS Bay East 2026. CCAR 2026. bridgeMLS 2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. 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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