4007 Oak Knoll St Antioch, CA ^$ 879,900

4007 Oak Knoll St

^$ 879,900

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Recently Listed

4007 Oak Knoll St

Antioch, CA, 94509

^$ 879,900

Bedrooms5 Baths3.1 Sq 4,270

Monthly Estimate*

^$ 5,489

Listed by Exp Realty of California Inc.

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Single Family Home for sale in Antioch, CA

for $879,900 with 5 bedrooms and 3 full baths, 1 half bath. This 4,270 square foot home was built in 2011 on a lot size of 0.2301.

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

Single Family Active

Price

^$ 879,900

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 0

Style

Lot Size

0.2301

Year Built

2011

Town/City

Antioch

County/Region

Contra Costa

MLS | Web ID

41110312

Days on Market

100

Features

General

Living Area 4270

Sewer Public Sewer

Heating Forced Air

Cooling Central Air

Possession Close Of Escrow

Roof Slate

Appliances Gas Water Heater

Garage Spaces 3

Patio/Porch Features Patio

Architectural Style Contemporary

Pool Features None

Year Built 2011

View Hills

Stories Count 2

Levels Two

Property Subtype Single Family Residence

County Contra Costa

New Construction 0

Property Type Residential

HOA 0

Attached Garage 1

Subdivision Name BLACK DIAMOND

Garage Y/N 1

Other Structures Storage

Full Baths 3

Status Active

Directions Somersville/James Donlon Cross Street: Markley Creek.

City Antioch

Lot Size Units Square Feet

Lot Size Square Feet 10021

Listing Terms Cash Conventional FHA VA Loan

Virtual Tour https://blueskypixs.hd.pics/4007-Oak-Knoll-St/idx https://blueskypixs.hd.pics/4007-Oak-Knoll-St

Standard Status Active

Occupancy Type Owner

Property Sub Type Additional Single Family Residence

Interior

Interior Amenities Eat-in Kitchen

Flooring Carpet Tile

Fireplace Features Family Room

Air Conditioning Y/N 1

Heating Y/N 1

Fireplace Y/N 1

Half Baths 1

Total Bedrooms 5

Total Baths 4

Exterior

Parking Features Garage Garage Door Opener Off Street

Lot Features Back Yard Cul-De-Sac Front Yard Yard

Total Parking 3

Lot Size Area 10021

Foundation Details Slab

Lot Size Acres 0.2301

Private Pool 0

Lot Size Source Public Records

* Excluded Features

List By

Exp Realty Of California Inc.

Broker

jcmandrile@hotmail.com

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$5,489

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Monthly Principal & Interest: $5,489
Monthly Property Taxes: --
Monthly Home Insurance: --

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Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Antioch, CA

Average List Price ^$619,940

Percent of Sale Price 30%

About Antioch, CA

109,088 Population

19% Since 2002

^$66,375 Median Income

35.69 Median Age

38% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

4827338 Elementary School

4827337 Middle School

Unknown High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
11/26/2025	$879,900		Listed Price

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4007 Oak Knoll St, Antioch, CA, 94509 is a Single Family Home for sale at $879,900 with 4,270 sqft and a lot size of 0.2301. 4007 Oak Knoll St has 5 bedrooms, 3.1 baths, and was built in 2011. The property's zip code is 94509 which is in Antioch, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Listing data provided courtesy of the Internet Data Exchange Program of the California Regional Multiple Listing Service, Inc..

Based on information from California Regional Multiple Listing Service, Inc. as of 12/13/2025. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

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4007 Oak Knoll St

Single Family Home for sale in Antioch, CA

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