NOT LISTED FOR SALE

31145 S Koster Rd Tracy, CA 95304

Estimated Value: $645,000 - $916,370

7 Beds
4 Baths
2,692 Sq Ft
$281/Sq Ft Est. Value

Sale Details

Date Sold: July 18, 2025

Last sale price $650,000 $241 Per Sq Ft

Est. 16% increase in value since last sale

Current estimated payment $4,480 / mo

63 Days on Market

Highlights

  • Solar Power System
  • No HOA
  • Forced Air Heating and Cooling System
  • Corner Lot
  • 2 Car Attached Garage
  • Water Softener

About This Home

As of July 2025

Grand 7-Bedroom, 4 bathroom Estate on Expansive 1-Acre Corner Lot Presenting an exceptional opportunity to own a spacious residence. This impressive home offers a substantial layout ideal for multigenerational living, remote work, or entertaining on a grand scale. Recent upgrades include modern electric panels, electric car charger, water heater, AC/heater, ensuring the home is well-equipped for today’s demands and future enhancements. The septic system has been recently cleaned and the expansive grounds offer endless possibilities—from adding a pool or guest house to creating a serene outdoor retreat. Located in a desirable area walkable to excellent charter schools, Jerusalem Charter (K–8) & Delta Charter (K–12). This property combines comfort, flexibility, and long-term value in one remarkable package.

Last Agent to Sell the Property

Hector Hernandez

Intero Real Estate Services License #01472758 Listed on: 04/10/2025

Intero Real Estate Services

Co-Listed By

Maricruz Salas

Intero Real Estate Services License #02160698

Last Buyer's Agent

Ling Zhang

License #01937432

Home Details

Home Type

  • Single Family

Year Built

  • Built in 1949

Lot Details

  • 1 Acre Lot
  • Corner Lot

Parking

  • 2 Car Attached Garage

Home Design

  • Shingle Roof
  • Stucco

Interior Spaces

  • 1-Story Property
  • Electric Fireplace
  • Laminate Flooring

Kitchen

  • Electric Cooktop
  • Dishwasher

Bedrooms and Bathrooms

  • 7 Bedrooms
  • 4 Full Bathrooms

Laundry

  • 220 Volts In Laundry
  • Washer and Dryer Hookup

Eco-Friendly Details

  • Solar Power System
  • Solar owned by a third party

Utilities

  • Forced Air Heating and Cooling System
  • Electric Water Heater
  • Water Softener

Community Details

  • No Home Owners Association
  • Tracy Gardens Subdivision

Listing and Financial Details

  • Assessor Parcel Number 255310150000

Home Details

Home Type

Single Family

Year Built

Built in 1949

Lot Details

1 Acres

Parking

2

Listing Details

  • Stories: 1
  • Year Built: 1949
  • Property Sub Type: Detached
  • Prop. Type: Residential
  • Co List Office Mls Id: SWRR01
  • Subdivision Name: Tracy Gardens
  • Directions: Hwy 33 to W Durham Ferry Rd to S Koster Rd
  • Architectural Style: Ranch
  • Garage Yn: Yes
  • Unit Levels: One Story
  • New Construction: No
  • Power Production Type: Photovoltaics
  • Special Features: None

Interior Features

  • Flooring: Laminate
  • Appliances: Dishwasher, Electric Range, Electric Water Heater, Water Softener
  • Full Bathrooms: 4
  • Total Bedrooms: 7
  • Fireplace Features: Electric
  • Fireplaces: 1
  • Fireplace: Yes
  • Room Kitchen Features: Stone Counters, Dishwasher, Electric Range/Cooktop, Disposal

Exterior Features

  • Roof: Shingle
  • Lot Features: Corner Lot, Level
  • Pool Features: None
  • Pool Private: No
  • Construction Type: Stucco
  • Property Condition: Existing

Garage/Parking

  • Garage Spaces: 2
  • Parking Features: Attached

Utilities

  • Heating: Forced Air
  • Cooling: Central Air
  • Laundry Features: 220 Volt Outlet, Hookups Only, Laundry Room, Electric
  • Cooling Y N: Yes
  • Heating Yn: Yes
  • Electric: Photovoltaics Third-Party Owned

Condo/Co-op/Association

  • Association: No

Lot Info

  • Lot Size Sq Ft: 43560
  • Parcel Number: 255310150000

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 10, 2025
Closed on
Jul 10, 2025
Sold by
Bought by
Seller's Agent
Hector Hernandez
Intero Real Estate Services
Buyer's Agent
Ling Zhang
List Price
$888,888
Sold Price
$650,000
Premium/Discount to List
-$238,888
-26.87%
Views
18
Current Estimated Value
$755,843

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$105,843
Avg. Annual Appreciation
17.61%
Original Mortgage
$500,000
Outstanding Balance
$500,000
Interest Rate
6.85%
Mortgage Type
New Conventional
Estimated Equity
$255,843
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
Not Available
List Price
Sold Price
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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 Buyer Sale Price Title Company
$650,000 Chicago Title
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 $500,000
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 Prior Sale
07/18/2025 07/18/25 Sold $650,000 -26.9% $241 / Sq Ft
06/12/2025 06/12/25 Pending -- -- --
04/10/2025 04/10/25 For Sale $888,888 +143.5% $330 / Sq Ft
07/31/2015 07/31/15 Sold $365,000 +1.4% $260 / Sq Ft View Prior Sale
05/21/2015 05/21/15 Pending -- -- --
04/23/2015 04/23/15 For Sale $359,950 -- $256 / Sq Ft
Source: Bay East 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 $4,860 $457,413 $127,661 $329,752
2024 $4,711 $448,445 $125,158 $323,287
2023 $4,821 $439,653 $122,704 $316,949
2022 $4,551 $431,034 $120,299 $310,735
2021 $4,483 $422,584 $117,941 $304,643
2020 $4,436 $418,252 $116,732 $301,520
2019 $4,390 $411,746 $114,444 $297,302
2018 $7,307 $391,746 $114,444 $277,302
2017 $3,975 $372,300 $112,200 $260,100
2016 $3,903 $365,000 $110,000 $255,000
2015 $2,195 $189,649 $133,933 $55,716
2014 -- $185,935 $131,310 $54,625
Source: Public Records

Agents Affiliated with this Home

  • Hector Hernandez

    Seller's Agent in 2025

    Hector Hernandez

    Intero Real Estate Services

    (510) 858-8484

    33 Total Sales

    Hector Hernandez
    Section Image
  • Maricruz Salas

    Seller Co-Listing Agent in 2025

    Maricruz Salas

    Intero Real Estate Services

    (510) 759-6132

    25 Total Sales

    Maricruz Salas
    Section Image

  • L

    Buyer's Agent in 2025

    Ling Zhang

    Section Image
  • Eric Boehm

    Seller's Agent in 2015

    Eric Boehm

    Boehm & Associates

    (209) 833-3333

    42 Total Sales

    Eric Boehm
    Section Image
  • Mario Espinoza

    Buyer's Agent in 2015

    Mario Espinoza

    Keller Williams Property Team Turlock

    (209) 631-3189

    14 Total Sales

    Mario Espinoza
    Section Image
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Map

Source: Bay East Association of REALTORS®

MLS Number: 41092826

Bay East Association of REALTORS®

APN: 255-310-15

California San Joaquin County Tracy 95304

31145 S Koster Rd, Tracy, CA

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Bay East Association of REALTORS® 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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