409 21st Street
Santa Monica, CA 90402
$11,750,000
Beds: 4
Baths: 5 | 2
Sq. Ft.: 6,860
Type: House
Listing #25561409
Set in the esteemed North of Montana neighborhood of Santa Monica on a nearly 9,000 SF oversized lot, this custom-built new construction blends quality craftsmanship with exceptional amenities and scale. Spanning 6,860 SF with 4 bedrooms + office and 7 bathrooms across three levels, this home delivers seamless indoor-outdoor flow and expansive spaces built for elevated living and entertaining. The main level offers soaring ceilings and expansive living spaces, including a formal living room, dining room, dedicated office, and an open-concept kitchen outfitted with bespoke cabinetry, butler's pantry, and Miele, Sub-Zero, and Wolf appliances. Fleetwood doors connect the interiors to a private backyard retreat featuring a heated pool and spa with automatic cover, a built-in BBQ and pizza oven, and multiple zones for dining and lounging. Upstairs, wide-plank oak flooring leads to three generously sized en-suite bedrooms, including a reimagined primary suite with a newly expanded oversized walk-in closet. The amenity-rich basement level includes a lounge and bar, movie theater, wine cellar, guest suite, and full spa with both wet and dry saunas. Mature ficus trees line the front of the home for added privacy and additional highlights include solar panels, multi-zone climate control, Control4 smart home system, and a three-car garage. Located just moments from Montana Avenue, San Vicente, and Brentwood Country Club, this home offers a rare opportunity to enjoy scale, privacy, and convenience in one of the Westside's most sought-after neighborhoods.
List By Ryan Jancula Compass
(CA DRE # shown above if in IDX data)
Property Features
County: Los Angeles
MLS Area: Santa Monica
Latitude: 34.041613
Longitude: -118.493544
Directions: Cross streets of 21st Street and Marguerita Avenue in the North of Montana neighborhood in Santa Monica
Common Walls: No Common Walls
Interior: Wine Cellar, Walk-In Closet(s)
Full Baths: 5
1/2 Baths: 2
Has Fireplace: Yes
Fireplace Description: Den, Living Room
Heating: Central
Floors: Tile
Laundry: Inside
Appliances: Barbecue, Dishwasher, Disposal, Microwave, Refrigerator, Dryer, Washer
Style: Spanish
Stories: Three Or More
Is New Construction: Yes
Security Features: Carbon Monoxide Detector(s), Fire Sprinkler System,
Parking Description: Driveway, Private
Has Garage: No
Parking Spaces: 4
Has a Pool: Yes
Pool Description: Heated
Lot Size in Acres: 0.206
Approximate Size (Sq. Ft.): 6,860
Lot Size in Sq. Ft.: 8,960
Dimensions: 60x149
Zoning: SMR1*
Has View: No
View Description: None
Property Type: SFR
Property SubType: Single Family Residence
Year Built: 2024
APN: 4278028015
Status: Active
Is Aged Restricted: No
HOA Fee: $0
Listing Agent CA DRE #: 1904981
List Date: 07/07/2025
$ per month
Year Fixed. % Interest Rate.
| Principal + Interest: | $ |
| Monthly Tax: | $ |
| Monthly Insurance: | $ |
Based on information from CSMAR, CRMLS, and/or CLAW, and/or CRISNet MLS as of September 15, 2025, 10:18 AM PT. The information being provided by CSMAR, CRMLS and/or CLAW and/or CRISNet MLS is for the visitor's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the visitor may be interested in purchasing. Any information relating to a property referenced on this website comes from the Internet Data Exchange ('IDX') program of CSMAR, CRMLS and/or CLAW, and/or CRISNet MLS. This website may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this website. Any information relating to a property, regardless of source, including but not limited to square footage and lot sizes, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. The data contained herein is copyrighted by CSMAR, CRMLS and/or CLAW, and/or CRISNet MLS and is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. IDX powered by iHomefinder, Inc.
The information being provided by CSMAR is for the visitor's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties a visitor may be interested in purchasing or leasing. Information relating to properties referenced on this web site may originate from the Internet Data Exchange (IDX) program of CSMAR. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. Any information originating from CSMAR, relating to a property, regardless of source, including but not limited to square footages and lot sizes, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. Listing data originating from CSMAR is copyrighted by CSMAR and is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited.
The information being provided by CSMAR is for the visitor's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties a visitor may be interested in purchasing or leasing. Information relating to properties referenced on this web site may originate from the Internet Data Exchange (IDX) program of CSMAR. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. Any information originating from CSMAR, relating to a property, regardless of source, including but not limited to square footages and lot sizes, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. Listing data originating from CSMAR is copyrighted by CSMAR and is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited.
Real Estate IDX Powered by iHomefinder