LKV Realty
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$879,900
$4,400Reward *
4007 Oak Knoll St, Antioch, CA 94509Listing ID 41110312

4007 Oak Knoll St, Antioch, CA 94509

Active
BLACK DIAMOND
Time on site: 342 daysLast updated: Dec 28, 2025
Property Type
Property Type
Residential
Property Sub Type
Property Sub Type
Single Family Residence
Bedrooms
Bedrooms
5
Bathrooms
Bathrooms
4
Square Feet
Square Feet
4,270
Acres
Acres
0.23
Days on Site
Days on Site
341
Cooling
Cooling
Central Air
Heating
Heating
Forced Air
Year Built
Year Built
2011
Stories
Stories
2
Garages
Garages
3
Parking
Parking
Garage, Garage Door Opener, Off Street

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

Property Information

Property Details

Location

Address
4007 Oak Knoll St
County
Contra Costa
City
Antioch
Zip Code
94509
Subdivision
BLACK DIAMOND

Interior Features

Beds and Baths

Bedrooms
5
Full Bathrooms
3
Half Bathrooms
1

Building

Building Information

Square Feet
4,270
Year Built
2011
Stories
2
Foundation
Slab
Roof
Slate
Juan Carlos MandrileeXp Realty of California, Inc., (888) 584-9427

Market Report for 94509

* The market data shown is based on available information from Multiple Listing Service (MLS) and/or public records. Data provided is for informational and educational purposes only and may not represent the full housing market. For more accurate information, consumers should consult a certified appraiser or licensed real estate agent.

*Average of $2,150 in rewards is calculated based on the purchase or sale of a home between $400,000 to $449,000. The median home price for all housing types is in the United States is $405,400 as of 2025 as reported by the National Association of Realtors® (NAR). The actual reward amount may vary depending on the purchase or sales price of the home. Please see the Lakeview Home Rewards program terms and conditions for more details. The National Association of Realtors® is a registered trademark of the National Association of Realtors®.

Source: California Regional MLS
California Regional MLS logo

IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

For corrections to this data please contact Brytecore MLS Support.

CCBE-159509053