LOCALLA

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For Sale

$11,295,000

6 beds · 8 baths · 7,311 sqft

448 21st St Santa Monica CA 90402

Residential

Built 2017

N/A

$1,545/sqft

No HOA

N/A

What's Special

Swimming Pool4 Parking SpacesFurnishedFamily RoomEngineered Hardwood, Marble FloorsSingle Family ResidenceAlarm systemBuilt-insDishwasherDryerElevatorFreezer

Rare offering in coveted Gillette Regent Square, North of Montana one of the Westside's most sought-after enclaves. Gated driveway and lush, gorgeous landscaping welcomes you to a white brick traditional residence with incredible natural light and white oak floors throughout. Indoor-outdoor connectivity, big windows and high ceilings brings the outside greenery in. Chef's kitchen: marble island/counters, breakfast area, Viking 8-burner range, Sub-Zero fridge/freezer, farmhouse sink + prep sink, full walk-in pantry. Dining room w/ coffered ceilings & wainscoting. Main-level guest suite/office. Upstairs: landing den w/ built-in double length desk, primary suite w/ two walk-in closets, his & her loo, radiant heated marble floors & a large terrace with fireplace. Three additional en-suite bedrooms, each w/ walk-in closet & white marble bathrooms. Custom fixtures, window coverings & upstairs laundry room. Basement level: soaring ceilings, glass doors, media room w/ theater seating, pro gym, built-in bar, temp controlled wine room, full bath doubling as pool bath, plus additional en-suite guest bedroom and bath. Outdoor entertaining at its finest: pizza oven, Wolf grill, outdoor fridge, sink & bar seating, pool w/ automatic cover, swim jets for laps & a custom mosaic on the pool floor. Mature hedges provide complete privacy while the yard basks in incredible natural light, with sun on the pool all afternoon. Covered cabana lounge & heated covered dining area, outdoor shower and beautiful Blue stone hardscape. Crestron automation entertainment system, pebble garage floor with built-ins, custom lighting and security system.

Days On Market: 11

Listing updated: September 15, 2026 at 04:28 AM

Listed by: Daniel Brown DRE #01335192, Compass

dbrown@compass.com

Source: CLAW    MLS#: 26940719

Features & Facts

Interior

  • Bedrooms: 6
  • Bathrooms: 8
  • Square Feet: 7311
  • Year Built: 2017
  • Flooring: Engineered Hardwood, Marble
  • Family Room: Yes

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LOCALLA was built by Tony O'Brien, a REALTOR with The Sher Group, to give buyers a direct and transparent way to search and tour homes. No selling your data. No partner agents. Just Tony.

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MLS

© 2026 The MLS™ - Combined L.A. Westside MLS (CLAW). All rights reserved. Based on information from The MLS™ - Combined L.A. Westside MLS (CLAW) as of 9/20/2026, 6:17:44 PM. 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. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.

Tony O'Brien DRE #02200838 | The Sher Group DRE #02022464

Equal Housing Opportunity