- Overview
- Description
- Property Details
- Location
- HOA Management
- Facts & Features
- Getting Around
- Nearby Homes

Street View
Listed by: Tania Ferris (310) 713-8234 DRE #00664167 | Coldwell Banker Realty (310) 777-6200
$3,750,000
Monthly Est:$18,665
4 Beds
- 5 Baths
4 full baths + 1 half bath
5,023sqft
12639 Promontory Rd, Los Angeles, CA 90049
$3,750,000
$18,665/moEst:
Get Pre-Approved
Single Family Residence
Built in 1989
$1,421/mo HOA
6.17 acres lot
$747/sq.ft
Description
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.
- Houzeo last checked: 7 minutes ago
- Listing updated: October 28, 2026 at 6:17 am
- Source: California Regional MLS-CA | MLS#: 26985579

Property Details
Status
Active
Type
Single Family Residence
No. of Stories
2
County
City
Neighborhood
Year Built
1989
HOA Fees
$1421/mo
Finished Area
5,023 sqft
Lot Size
6.17 acres lot
Basement Area
- sqft
MLS Name
California Regional MLS
MLS Number
26985579
MLS Status
Active
Days on Market
50
Open House

Continue Your Journey in App
Find your dream home, receive real-time updates, and many more!
Continue Your Journey in App
Find your dream home, receive real-time updates, and many more!
Location
HOA Management
N/A
HOA Fees
$1,421/ Monthly
Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 4
Bathrooms: 5
Interior
Cooling
Central Air
Flooring
Carpet, Wood
Heating
Central, Forced Air
Interior Features
Loft, Utility Room, Walk In Closets
Appliances
Dishwasher, Disposal, Refrigerator, Dryer, Washer
Utilities & Energy
Parking Features
Door Multi, Garage
Security Features
Gated With Guard, Twenty Four Hour Security
Pool Features
Private
Fireplace Features
Family Room, Gas, Living Room
Laundry Features
Inside, Laundry Room
Other Features
Disclosures
Covenants Restrictions Disclosure, Hoa Disclosure, Trust Conservatorship
Price History
| Date | Event | Price |
|---|---|---|
09/08/2026 Source: | Listed for Sale | $3,750,000 $747/sqft |
Brentwood Ranks #1 in Los Angeles, CA
Homes
Rental Prices
Median Home Price
Nearby Homes
Find Homes by Property Features in Los Angeles, CA
Nearby New Homes For Sale
Based on information from California Regional Multiple Listing Service, Inc. as of Oct 29, 2026, 06:00AM 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 broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. This website may not include listings or property addresses of sellers who have directed their listing brokers to withhold their listing or their property address from display on the Internet. © 2026 California Regional Multiple Listing Service. All Rights Reserved.
Advertising Broker: William Johnson DRE #01463271 | William Johnson Brokerage




