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$879,900

  • For Sale
  • Active
  • Single Family
  • 5 Beds
  • 3 Full Baths
  • 1 Partial Bath
  • 3 Car Garage
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1st time on the market since built! Expansive two-story with 4,000+ sq/ft, featuring 5 bedrooms, 3.5 bathrooms, 3-car garage + an optional bedroom conversion as an ADU, office or shop at the heart of the Black Diamond Ranch subdivision bordering Pittsburg. Offering plenty of kitchen cabinetry and no-spare storage space with solid granite counter tops. Dual zone AC and heating systems. Grand primary bedroom with retreat. 2nd floor common area family loft/bonus room. Spacious, concrete-stamped low maintenance backyard with mature, abundant fruit trees and side-gated access for your RV, watercraft and other vehicles. 3rd-car tandem garage converted into a studio/storage room. Located in close proximity to parks, trails, shopping. Fast & easy access to Hwy 4 for a shorter commute and in close proximity to Los Medanos Community College. Enjoy partial Delta views and rolling hills. Great layout for an extended family living or even an at-home business opportunity?! Check your options and make it yours... https://my.matterport.com/show/?m=4QVqRk3CoFm

Full Property Details for 4007 Oak Knoll St

General

  • Price: $879,900
  • Status: Active
  • Type: Single Family
  • Source: MAX
  • MLS ID: 41110312
  • Updated: 10/6/2025
  • Added to Site: 135 day(s) ago

Interior

  • Number of Rooms: 11
  • Interior Features: Family Room, Storage, Pantry, Wet Bar
  • Number of Fireplaces: 2
  • Fireplace(s): Family Room
  • Appliances: Dishwasher, Double Oven, Gas Range, Plumbed For Ice Maker, Microwave, Oven, Range, Gas Water Heater
  • Flooring: Tile, Carpet

Rooms

Bathrooms

  • Total Bathrooms: 4
  • Full Bathrooms: 3
  • Partial Bathrooms: 1
  • Primary Bathroom: Stall Shower, Tile, Tub, Double Vanity, Sitting Area, Walk-In Closet(s)

Bedrooms

  • Total Bedrooms: 5

Other Rooms

  • Kitchen: Stone Counters, Dishwasher, Double Oven, Eat-in Kitchen, Disposal, Gas Range/Cooktop, Icemaker Hookup, Kitchen Island, Microwave, Built-In Oven, Pantry, Built-In Range/Oven, Wet Bar
  • Laundry: Laundry Room, Upper Level

Exterior

  • Exterior Features: Back Yard, Front Yard, Side Yard, Entry Gate, Low Maintenance, See Remarks

Parking

  • Attached garage: Yes
  • Garage Spaces: 3
  • Parking Features: Attached, Off Street, Side Yard Access, Tandem, Boat, Garage Faces Front, On Street, Garage Door Opener, RV Access/Parking, RV Possible

Location

  • Area: Listing
  • County: Contra Costa
  • Subdivision: Black Diamond
  • Driving Directions: Somersville/James Donlon

Heating & Cooling

  • Central air: Yes
  • Cooling Type: Central Air
  • Heating Type: Zoned

Utilities

  • Sewer: Public Sewer
  • Water: Public

Structural Information

  • Architectural Style: Contemporary
  • Exterior Const.: Siding - Stucco
  • Roof: Slate
  • Windows: Window Coverings
  • Stories/Levels: Two Story
  • Year Built: 2011

Lot Features

  • Property View: Delta, Hills
  • Lot Size (Acres): 0.23
  • Lot Dimensions: 10021
  • Lot Features: Cul-De-Sac, Other, Back Yard, Front Yard
  • Fencing (Description): Fenced, Wood

Financial Considerations

  • For Sale: Yes
  • Price Per Sq. Ft.: $206

Disclosures and Reports

  • Property ID: 896000387

Listed by Exp Realty of California Inc., Juan Carlos Mandrile

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Listing agent

— 4007 Oak Knoll St —

  • Juan Carlos Mandrile

    Exp Realty of California Inc.

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 4007 Oak Knoll St

School District:Antioch Unified School District
NameGradesDistance
Turner Elementary School, Antioch, CA
4207 Delta Fair Boulevard, Antioch, CA 94509
K-51.3 mi
Antioch Middle School
1500 D Street, Antioch, CA 94509
6-82.8 mi
Antioch High School
700 West 18th Street, Antioch, CA 94509
9-122.6 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 4007 Oak Knoll St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
9/04/2025
Listed
$879,900
112.02%
MLS
11/18/2011
Sold
$415,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 4007 Oak Knoll St

Year
Property Taxes
Change
Tax Assessment
Change
2025
$8,355
3%
$521,250
2%
2023
$8,148
—
$511,031
2%
2023
$8,148
2%
$501,012
2%
2022
$8,020
3%
$491,189
2%
2021
$7,814
1%
$481,559
1%
2020
$7,729
1%
$476,622
2%
2019
$7,625
4%
$467,278
2%
2018
$7,316
—
$458,116
2%
2017
$7,309
2%
$449,135
2%
2016
$7,158
1%
$440,329
2%
2015
$7,054
3%
$433,716
2%
2014
$6,880
3%
$425,221
—
2013
$6,666
—
$423,300
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 4007 Oak Knoll St

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*These costs are estimates, and the interest rates assume exceptional credit standing.

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with our affiliated lender
NMLS#: 1598647

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Listed by Exp Realty of California Inc., Juan Carlos Mandrile

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4007 Oak Knoll St, Antioch, CA 94509 (MLS# 41110312) is a Single Family property with 5 bedrooms, 3 full bathrooms and 1 partial bathroom. 4007 Oak Knoll St is currently listed for $879,900 and was received on September 04, 2025. Want to learn more about 4007 Oak Knoll St? Do you have questions about finding other Single Family real estate for sale in Antioch? You can browse all Antioch real estate or contact a Coldwell Banker agent to request more information.

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