20 Monticello Ct

• Sun Feb 22, 1:00 pm - 4:00 pm

  Striking contemporary estate celebrating California’s indoor-outdoor lifestyle, marked by architectural presence and modern elegance. Soaring ceilings, hardwood floors, tray ceiling with cove lighting and expansive glass. Living room features a gas fireplace, hurricane sliding doors, dining area, & wine closet. Gourmet kitchen- Thermador appliances, six-burner range, double ovens, dual Bosch dishwashers, prep sink, expansive island, soft-close cabinetry, under-cabinet lighting, and bay-window nook with garden views. Family room includes a gas fireplace, custom built-ins, and patio access. Bedrooms include a Jack and Jill suite and private wing with guest suite. Primary suite- gas fireplace, patio access, walk-in closets, spa-style bath w/ double vanity, freestanding soaking tub, dual shower heads, & bidet features. Resort-style grounds showcase an infinity-edge Pebble Tec pool and spa with cascading water and slide, patios, paver walkways, outdoor kitchen, fireplace, sport court, greenhouse & mature redwoods

A striking contemporary estate celebrating California’s indoor-outdoor lifestyle, marked by architectural presence and modern elegance. Soaring ceilings, hardwood floors, designer lighting, and expansive glass elevate its sophisticated design. The formal living room features a gas fireplace, tray ceiling with cove lighting, hurricane sliding doors, dining area, and wine closet for approx. 200 bottles. The gourmet kitchen offers Thermador appliances including six-burner range, double ovens, dual Bosch dishwashers, prep sink, expansive island, soft-close cabinetry, under-cabinet lighting, and bay-window nook with garden views. The family room includes a gas fireplace, custom built-ins, and patio access. Bedrooms include a Jack and Jill suite, versatile bedroom with built-ins, and private wing with guest suite. The primary suite offers its own fireplace, patio access, walk-in closets with custom organizers, and spa-style bath with double vanity, freestanding soaking tub, dual shower heads, and bidet features. Resort-style grounds showcase an infinity-edge Pebble Tec pool and spa with cascading water and slide, patios, paver walkways, outdoor kitchen, fireplace, sport court, greenhouse, and mature redwoods. Ideally located just minutes to town, commute routes, and top-rated schools.

Current Status

New

Original Price

$4,900,000

List Price

$4,900,000

On Market Date

Feb 18, 2026

Property Type

Detached

D/N/S

Happy Valley

Zip Code

94549

MLS ID

41124342

APN

2451000216

Year Built

1998

Stories in Building

1

Possession

Close Of Escrow

Data Source

MAXEBRDI

Origin MLS System

CONTRA COSTA

Bed

5

Bath

4.5 (4/1)

Parking

3

Attached, Side Yard Access, Parking Lot, Garage Door Opener

SQ FT

4,718

SQ FT Source

Public Records

Lot SQ FT

69,740.0

Lot Acres

1.6 Acres

Pool Info

In Ground

Kitchen

Dishwasher, Double Oven, Plumbed For Ice Maker, Range, Refrigerator, Self Cleaning Oven, Gas Water Heater, Breakfast Bar, Breakfast Nook, Stone Counters, Disposal, Ice Maker Hookup, Kitchen Island, Pantry, Range/Oven Built-in, Self-Cleaning Oven, Updated Kitchen

Cooling

Central Air

Disclosures

None

Entry Level

Exterior Details

Back Yard, Garden/Play, Side Yard, Sprinklers Automatic

Flooring

Hardwood, Tile

Foundation

Fire Place

Family Room, Living Room, Master Bedroom

Heating

Zoned

Laundry

Laundry Room

Main Level

5 Bedrooms, 5+ Baths, Primary Bedrm Retreat, Main Entry

Possession

Close Of Escrow

Basement

Crawl Space

Architectural Style

Contemporary

Non-Master Bathroom Includes

Shower Over Tub, Stall Shower, Updated Baths, Double Vanity, Jack & Jill

Construction Status

Existing

Additional Miscellaneous Features

Back Yard, Garden/Play, Side Yard, Sprinklers Automatic

Location

Premium Lot, Back Yard, Landscaped

Roof

Metal

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.