5044 Union Mine Dr

Black Diamond Estates – First time on the market! Proudly offered by the original owners, this absolutely immaculate home showcases pride of ownership throughout. Featuring 4 bedrooms, 3 full bathrooms, and a spacious open loft ideal for a home office, study area, or media room, this thoughtfully designed floor plan offers both comfort and functionality. Step inside to dramatic soaring ceilings that enhance the formal living and dining rooms, creating a bright and elegant atmosphere. The gourmet kitchen is beautifully appointed with quality cabinetry, high-end fixtures, and generous workspace, opening seamlessly to the family room for effortless everyday living and entertaining. The flexible floor plan also includes a main-level bedroom and full bathroom, perfect for guests or multigenerational living. The stunning primary suite is a private retreat featuring custom-designed closets and a recently renovated spa-inspired bathroom. Additional highlights include a 3-car garage and an incredible backyard oasis with lush, mature landscaping and no rear neighbors, offering exceptional privacy and the perfect setting for outdoor entertaining or peaceful relaxation. A rare opportunity to own a beautifully maintained home in one of the area's most desirable neighborhoods.

Current Status

Active - Coming Soon

Original Price

$849,000

List Price

$849,000

On Market Date

Aug 18, 2026

Property Type

Detached

D/N/S

Black Diamond Es

Zip Code

94531

MLS ID

41145401

APN

0754900447

Year Built

1997

Stories in Building

2

Possession

Close Of Escrow

Data Source

MAXEBRDI

Origin MLS System

CONTRA COSTA

Bed

4

Bath

3

Parking

3

Attached

SQ FT

2,819

SQ FT Source

Public Records

Lot SQ FT

8,801.0

Lot Acres

0.2 Acres

Pool Info

None

Kitchen

Dishwasher, Counter - Solid Surface, Eat-in Kitchen, Kitchen Island

Cooling

Central Air

Disclosures

Nat Hazard Disclosure, Other - Call/See Agent

Entry Level

Exterior Details

Back Yard, Front Yard, Garden/Play, Side Yard, Sprinklers Front, Landscape Back, Landscape Front

Flooring

Tile, Carpet

Foundation

Fire Place

Family Room

Heating

Forced Air

Laundry

Inside Room

Main Level

1 Bedroom, 1 Bath, Other, Main Entry

Possession

Close Of Escrow

Architectural Style

Traditional

Construction Status

Existing

Additional Miscellaneous Features

Back Yard, Front Yard, Garden/Play, Side Yard, Sprinklers Front, Landscape Back, Landscape Front

Location

Level, Back Yard, Front Yard, Landscaped, Pool Site, See Remarks, Sprinklers In Rear

Roof

Tile

Water and Sewer

Public

Fee

Unavailable

MLS and other Information regarding properties for sale as shown in Theo have been obtained from various sources such as sellers, public records, agents and other third parties. This information may relate to the condition of the property, permitted or unpermitted uses, zoning, square footage, lot size/acreage or other matters affecting value or desirability. Unless otherwise indicated in writing, neither brokers, agents nor Theo have verified, or will verify, such information. If any such information is important to buyer in determining whether to buy, the price to pay or intended use of the property, buyer is urged to conduct their own investigation with qualified professionals, satisfy themselves with respect to that information, and to rely solely on the results of that investigation.

School data provided by GreatSchools. School service boundaries are intended to be used as reference only. To verify enrollment eligibility for a property, contact the school directly.