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6 Beds
8 Baths
6,654 sqft

$13,595,000

633 21st St, Santa Monica CA, 90402

Price per sqft$2,043.13
Built in2026
Property size6,654 sqft
Property typeResidential

Overview

Active

Listed Nov 12, 2026

Updated 18h ago

A rare corner lot on palm-lined 21st Street, the most sought-after address in Gillette Regent Square and widely considered one of Santa Monica's most beautiful. Conceived by its owner as a personal residence and never intended for the market, this architect-designed home spans 6,654 SF across three levels on an 8,955 SF lot, its six bedrooms and eight baths composed around light, mass, and transparency. Offset volumes turn their long facade to the south, capturing the sun across the full length of the house. Arrival is a procession: a floating walkway cantilevers over the sunken court to the front entry. Concrete, oak, and glass are used with restraint. A three-story column of glass rises beside the steel staircase, drawing daylight from roof to lower level and framing the palms. Oversized, near-frameless OTIIMA glass walls, engineered in Portugal, slide fully open, dissolving the line between living room, kitchen, and terrace. The kitchen continues the restraint: a 48-inch Dacor dual-fuel steam range, the refrigeration concealed behind floor-to-ceiling cabinetry. In the bedrooms, where walls would be, there is glass, and most of it moves. Two primary suites: one on the main level, where a floor-to-ceiling glass door swings open to the front yard; one above, a corner room among the treetops, its wall sliding open behind a frameless glass guardrail, overlooking the grounds below and the palms and pines beyond. Along the upper hall, the glass slides away to a roof patio that continues onto an open-air roof terrace, floating above the living pavilion. Below, a lounge, two guest suites, a study, and a home gym share a level that opens onto a court carved into the earth, bringing daylight a full level below the street and looking up to the palms of 21st and the pines of Alta. An elevator connects all three floors. A singular work of residential architecture. Rarely do design and address meet at this level.

$90,448/mo

Est. mortgage payment based on a $13,595,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
26106949

Interior Features

Bedrooms
6
Bathrooms
8
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.21 Acres

Other Property Details

Garage
Yes
View
Yes

Listed by Felix Wong with Sunshine Realty
Listing Contact: 310-795-9988 

Based on information from The MLSTM / Combined LA/Westside Multiple Listing Service, Inc. IDX information is provided exclusively for consumers' personal, non-commercial use, it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All information is deemed reliable but not guaranteed and should be independently reviewed and verified. Property locations as displayed on any map are best approximations only and exact locations should be independently verified. All properties are subject to prior sale, change or withdrawal, and may or may not be listed by the office/agent presenting the information. Neither listing broker(s) nor Sam Araghi & Rudi Behdad shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. 

©2026 Combined L.A./Westside MLS. All rights reserved.

Data last updated 11/13/2026

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