About 4007 Oak Knoll St
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
Features of 4007 Oak Knoll St
| MLS® # | 41110312 |
|---|---|
| Price | $879,900 |
| Bedrooms | 5 |
| Bathrooms | 4.00 |
| Full Baths | 3 |
| Half Baths | 1 |
| Square Footage | 4,270 |
| Acres | 0.23 |
| Year Built | 2011 |
| Type | Residential |
| Sub-Type | Single Family Residence |
| Style | Contemporary |
| Status | Active |
Community Information
| Address | 4007 Oak Knoll St |
|---|---|
| Subdivision | BLACK DIAMOND |
| City | Antioch |
| County | Contra Costa |
| Zip Code | 94509 |
Amenities
| Parking Spaces | 3 |
|---|---|
| Parking | Garage, Garage Door Opener, Off Street |
| # of Garages | 3 |
| Garages | Garage, Garage Door Opener, Off Street |
| View | Hills |
| Is Waterfront | No |
| Has Pool | No |
| Pool | None |
Interior
| Interior | Carpet, Tile |
|---|---|
| Interior Features | Eat-in Kitchen |
| Appliances | Gas Water Heater |
| Heating | Forced Air |
| Cooling | Central Air |
| Has Basement | No |
| Fireplace | Yes |
| Fireplaces | Family Room |
| Stories | Two |
Exterior
| Lot Description | Back Yard, Cul-De-Sac, Front Yard, Yard |
|---|---|
| Roof | Slate |
| Foundation | Slab |
Additional Information
| Date Listed | September 4th, 2025 |
|---|---|
| Days on Market | 57 |
| Foreclosure | No |
| Short Sale | No |
| RE / Bank Owned | No |
Listing Details
| Agent | Juan Carlos Mandrile |
|---|---|
| Office | Exp Realty of California Inc. |