12639 Promontory RD Los Angeles CA 90049 | MLS #26985579
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.
Property Details
Price:
$3,750,000
MLS #:
26985579
Status:
Active
Beds:
4
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
c06brentwood
Listed Date:
Sep 9, 2026
Finished Sq Ft:
5,023
Total Sq Ft:
5,023
Lot Size:
268,913 sqft / 6.17 acres (approx)
Year Built:
1989
See this Listing
Schools
School District:
Los Angeles Unified
Interior
Appliances
DW, GD, RF
Bathrooms
4 Full Bathrooms, 1 Half Bathroom
Cooling
CA
Flooring
WOOD, CARP
Heating
FA, CF
Laundry Features
IR, IN, DINC, WINC
Levels
U
Exterior
Common Walls
NCW
Garage Spaces
3
Parking Spots
3
Parking Total
3
Security Features
_24HR, GG
Spa Features
PVT
View
MT, VA
Financial
HOA Fee
$1,421
HOA Fee Frequency
MO
Map
Community
- Address12639 Promontory RD Los Angeles CA
- CityLos Angeles
- CountyLos Angeles
- Zip Code90049
Market Summary
Current real estate data for Single Family in Los Angeles as of Sep 09, 2026
7,988
Single Family Listed
85
Avg DOM
420
Avg $ / SqFt
$1,547,042
Avg List Price
Property Summary
- 12639 Promontory RD Los Angeles CA is a Single Family for sale in Los Angeles, CA, 90049. It is listed for $3,750,000 and features 4 beds, 5 baths, and has approximately 5,023 square feet of living space, and was originally constructed in 1989. The current price per square foot is $747. The average price per square foot for Single Family listings in Los Angeles is $420. The average listing price for Single Family in Los Angeles is $1,547,042. To schedule a showing of MLS#26985579 at 12639 Promontory RD in Los Angeles, CA, contact your The Knight Group LA agent at 310.409.7242.
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Courtesy of Coldwell Banker Realty. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than The Knight Group LA include the name of the listing broker. Neither the listing company nor The Knight Group LA shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.12639 Promontory RD
Los Angeles, CA
