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439 21st Street, Santa Monica, CA 90402

$20.00M7bd · 8ba · 8,400 sqft
Lot 8,937 sqft•Single Family Residence•
Active
•507d on market•MLS# 00-25541291

Property Description

Expected Completion: Fall 2026! Presenting a resort-inspired lifestyle at the prestigious and modern ENCORE, a masterfully designed residence situated in one of the most renowned zip codes in Southern California, 90402, north of Montana Avenue. From this highly coveted 21st Street location, behold striking vistas of the Pacific and discover calming ocean breezes amidst prime shopping and fine dining. This serene sanctuary affords absolute luxury, offering a unique design with an open floor plan and world-class amenities. There are seven bedrooms, seven bathrooms, a powder room, elevator, double-island kitchen fitted with state-of-the-art appliances, two wet bars, four fireplaces, and folding doors that open to invite gentle ocean winds within. Experience a life rich in comfort and leisure with an expansive rooftop deck, standalone 1,000-square-foot two-story ADU, Junior ADU, movie theatre, wine cellar, and meditation room. The rear grounds are an entertainer's dream, including a pool and spa with eight-jet water feature and LED lighting, outdoor fireplace, grassy play areas, and multiple spaces for lounging. The home's elegant form is constructed while keeping openness and clarity top of mind, allowing its light-filled interiors to seamlessly converge with the lush exteriors enveloped by soothing ocean breezes. Four levels comprise a rooftop, upper level, lobby, and basement, with a two-car garage and separate ADU. Welcome to this exquisite property offering the ultimate in resort living at the very forefront of chic, modern design. Renderings are of a similar build.

Features & Amenities

FeeBuilt 2026

Property Details

Land Type
Fee
Year Built
2026
Property Type
Residential
Property Subtype
Single Family Residence
Heating
Central
Cooling
See Remarks
View
City Lights, Ocean
City
Santa Monica
Zip Code
90402
County
Los Angeles
Listed bySotheby's International Realty, Nicole Plaxen

Mortgage Calculator

Current Rates

$
$
%
Monthly Payment
$101,105.60
Principal & Interest
Loan Amount
$15,996,000
Total Interest
$20,402,016
Total Payment Over 30 Years
$36,398,016
This calculator provides estimates only. Actual mortgage payments may include taxes, insurance, HOA fees, and PMI. Contact a lender for accurate quotes.

Comparative Market Analysis

Luxury Tier · 3 active · 0 closed

439 21st Street, Santa Monica, CA 90402

Santa Monica · Single Family Residence

$20.00M
Luxury Tier
Beds
7
Baths
8
Sqft
8,400
Lot
8,937 sqft
Year
2026
$/Sqft
$2380
Pool: Yes✓
Spa: Yes✓
View: city✓

Luxury tier — fewer comparable sales widen the confidence range.

Price Position

Positioned above the market — commands a premium.

Premium
Subject listed at $20.00M· $2,380/sqft
Total list price
Closed compsinsufficient comp data
Active comps
vs active median $9.95M
+$10.04M (+101.0%)
Price per sqft
Closed compsinsufficient comp data
Active comps
vs active avg $/sqft $1,220
+$1K (+95.1%)

Active Properties (3)

Active Comparables

AddressCityYearBDBTHSqFtLotSzLP/SqFtLPDIMScore
528 Marguerita AvenueSanta Monica2026688,00811,046$1,748$14.00M1278
452 18th StreetSanta Monica2027568,0008,937$719$5.75M11471
622 24th StreetSanta Monica1998678,3508,718$1,192$9.95M21564
Total: 3 · Average5.77.08,119.3339,567$1,219.667$9.90M113.66666666666667
Median8,008$9.95M

Market Analysis

List vs Sale $/SqFt

Sale Price Trend

Days on Market

Sale vs List Price

AI-generated CMA

This analysis was generated automatically from MLS data. For an in-depth, human-reviewed valuation, contact Joseph Sardella at josephsardella@gmail.com.