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693 Castlehill Drive, Walnut, CA 91789

$1.39M4bd · 4ba · 2,432 sqft
Lot 9,944 sqft•Single Family Residence•
Active
•90d on market•MLS# AR-26166148

Property Description

Welcome to modern luxury living at 693 Castlehill Drive in prime Walnut. This magnificent brand-new construction home is one of only six custom-feel residences in a private, quiet enclave. Featuring 4 spacious bedrooms and 3.5 luxury bathrooms, the home boasts upgraded finishes throughout, including rich flooring, sleek modern fixtures, and quality craftsmanship. The thoughtful floor plan includes a highly coveted downstairs bedroom complete with an ensuite bathroom, offering ideal comfort and privacy for guests or in-laws. The open-concept main living areas seamless flow into a gourmet kitchen outfitted with custom cabinetry and premium countertops. Enjoy all the perks of a newly built residence with NO monthly HOA dues and NO Mello-Roos tax assessments. Families will appreciate inclusion in the award-winning Walnut Valley Unified School District. Conveniently located near major freeways (57, 60, and 10), regional parks, fine dining, and popular shopping hubs. A turn-key luxury property that delivers convenience, savings, and style.

Features & Amenities

FeeBuilt 2026

Property Details

Land Type
Fee
Year Built
2026
Property Type
Residential
Property Subtype
Single Family Residence
Parking Spaces
2
Garage Spaces
2
Cooling
Central Air
View
City Lights
City
Walnut
Zip Code
91789
County
Los Angeles
Listed byeXp Realty of California Inc, Karen Kuit

Mortgage Calculator

Current Rates

$
$
%
Monthly Payment
$7,022.97
Principal & Interest
Loan Amount
$1,111,110
Total Interest
$1,417,160
Total Payment Over 30 Years
$2,528,270
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

Residential Tier · 5 active · 5 closed

693 Castlehill Drive, Walnut, CA 91789

Walnut · Single Family Residence

$1.39M
Residential Tier
Beds
4
Baths
4
Sqft
2,432
Lot
9,944 sqft
Year
2026
$/Sqft
$571
Pool: No✓
View: city✓
Garage: 2-car✓

Listed 12.5% above the median closed sale of $1,235,000. Price per sqft ($571) is a 11% discount to closed comps ($644).

Price Position

Positioned above the market — commands a premium.

Premium
Subject listed at $1.39M· $571/sqft
Total list price
Closed comps
vs closed median $1.24M
+$154K (+12.5%)
Active comps
vs active median $1.39M
+$888 (+0.1%)
Price per sqft
Closed compsinsufficient comp data
Active comps
vs active avg $/sqft $591
−$20 (−3.4%)

Active Properties (5)

Active Comparables

AddressCityYearBDBTHSqFtLotSzLP/SqFtLPDIMScore
685 Castlehill DriveWalnut2026442,46712,060$567$1.40M7596
673 CastlehillWalnut2026442,57912,225$538$1.39M2496
677 Castlehill DriveWalnut2026452,90013,525$414$1.20M990
539 BourdetWalnut2005442,6768,040$523$1.40M7484
438 Calle AlcazarWalnut1977321,42020,990$915$1.30M10056
Total: 5 · Average3.83.82,408.413,368$591.4$1.34M56.4
Median2,579$1.39M

Closed Properties (5)

Closed Comparables

AddressCityYearDateBDBTHSqFtLotSzLPSPSP/SqFtSP/LPDIMScore
19569 Vista Hermosa DriveWalnut197705/22/2026452,41910,530$1.50M$1.44M$5930.9628183
1135 Belbury DrDiamond Bar200007/31/2026452,2236,315$1.40M$1.38M$6210.996373
19735 Camino ArroyoWalnut197705/26/2026431,8598,080$1.23M$1.24M$6641.012569
19819 Camino ArroyoWalnut197705/04/2026431,8599,783$1.16M$1.20M$6461.044068
19717 Los PinosWalnut197706/24/2026421,7278,453$1.20M$1.20M$6951.003959
Total: 5 · Average4.03.62,017.48,632.2$1.29M$1.29M$643.8—89.6
Median1,859$1.24M$1.24M

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.