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12639 Promontory RoadLos Angeles, CA 90049

For Sale

$3,750,000

Smart Buyer Rebate $37,500

Over 5,000 square feet of grand-scale living with 24-hour guard gated security in the picturesque Mountaingate community of Brentwood. An extraordinary combination of space, security, privacy and resort-style living, this 4BR, 4.50BA home is one of the most ideal retreats in LA! Soaring ceilings, dramatic architectural volume, tall doors, oversized windows and sweeping open views create light-filled interiors with an impressive sense of scale from the moment you enter. The main level features expansive living and dining rooms, a comfortable family room, and spacious kitchen with breakfast area. Upstairs, a library provides an ideal setting for a home office, study or relaxed den for family members to enjoy. The generous primary suite features a veranda, fireplace, high ceilings and large bath with dual amenities and two walk-in closets. BR's 2,3 and 4 are all ensuite and offer full privacy on their own wings. Hardwood floors throughout much of the residence, three fireplaces and a three-car garage complete the interior. Outside, a low-maintenance backyard creates its own resort-like setting with BBQ, entertainers patios, a refreshing pool and an exceptionally large spa with ample room for exercise or simply relaxing outdoors. Ready to enjoy today with minor remodeling while offering an exceptional opportunity to personalize over time. For more than two decades, this was the longtime home of NBA veteran and trailblazer Jason Collins, a groundbreaking figure whose influence and legacy extended far beyond the basketball court. Mountaingate offers a unique park-like environment with 24-hour guard-gated security and hourly manned patrols, beautifully maintained common-area landscaping, trash-can services, community pool and spa, alarm monitoring and other community services. Enjoy the breathtaking Santa Monica conservatory mountains with its glorious hiking trails and stunning natural terrain. Plus, great schools - Roscomare, Paul Revere and Palisades High. Optional membership at Mountaingate Country Club offers golf, tennis and social memberships with restaurant and gym/fitness facilities. Conveniently located near the Getty, UCLA , USC and the best dining and shopping of Brentwood and the Westside. Offered at approximately $747 per square foot, this is an exceptional opportunity to own more than 5,000 square feet in Brentwood and a remarkable combination of scale, security, privacy and value. TRUST SALE, As Is condition, no court confirmation needed. Please use Trust Advisory with offer.

Listed by Tania Ferris

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License #00664167

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Coldwell Banker Realty

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3107138234

Last updated September 13, 2026

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Source: CRMLS #26985579

Listing Facts

  • TypeSingle-family
  • NeighborhoodBrentwood
  • Bedrooms4
  • Bathrooms4.5
  • Days on Prevu7
  • HOA/Maint. Fees$1,421/month
  • Size5,023 sqft
  • Price per sqft$747

Amenities

  • Dishwasher
  • Washer/Dryer
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

09/08/2026
Listed by Coldwell Banker Realty
$3,750,000
  1. 09/08/2026$3,750,000
    Listed by Coldwell Banker Realty

Property Details for 12639 Promontory Road

Association

Fees

  • Association Fee: $1,421.00 Monthly

Exterior

Construction

  • Stories: 2
  • Stories Total: 2
  • Year Built: 1989
  • Common Walls: No Common Walls

Features

  • Pool Features: Private
  • Pool Private: Yes
  • View: Mountain(s), Valley

Measurements

  • Building Area Total: 5,023
  • Lot Size Acres: 6.17
  • Lot Size Area: 268,913
  • Lot Size Source: Assessor
  • Lot Size Square Feet: 268,913
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 4493030028

Interior

Features

  • Appliances: Dishwasher, Disposal, Refrigerator, Dryer, Washer
  • Fireplace Features: Family Room, Gas, Living Room
  • Fireplace: Yes
  • Flooring: Carpet, Wood
  • Interior Features: Walk-In Closet(s)
  • Spa Features: Private
  • Spa: Yes

Measurements

  • Living Area: 5,023
  • Living Area Source: Assessor

Rooms

  • Bathrooms Full: 4
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 5
  • Bedrooms Total: 4

Parking

Parking

  • Garage Spaces: 3
  • Garage: Yes
  • Open Parking Spaces: 3
  • Parking Features: Garage
  • Parking Total: 3

Schools

High School

  • High School District: Los Angeles Unified

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Heating: Central, Forced Air
  • Has Heating: Yes
  • Laundry Features: Inside, Laundry Room

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 4 bedrooms and 4.5 bathrooms in this single-family home at 12639 Promontory Road.

Does this single-family home have parking?

Yes, there are 3 parking spaces available for 12639 Promontory Road.

How does 12639 Promontory Road compare to other single-family homes in Brentwood?

This single-family home is listed 69% below the average price for single-family homes in Brentwood and has been on the market for 109 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 5,023 sqft.

12639 Promontory Road is a 4-bedroom, 4.5-bath single-family home for sale in Los Angeles CA 90049. On Prevu for 7 days at $3,750,000. This residence features 5,023 square feet of living space, located in Brentwood. The median listing price for single-family homes in this area is $3,647,500. Additional amenities include dishwasher, air conditioning, parking, swimming pool, and washer/dryer. Explore more single-family home listings in Los Angeles.

Based on information from California Regional Multiple Listing Service, Inc. and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.