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693 Castlehill Drive, Walnut, CA 91789

$1.39M4bd · 4ba · 2,432 sqft
Lot 9,944 sqft•Single Family Residence•
Active
•68d 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 byUnknown Office, 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 15.8% below the median closed sale of $1,650,000. Price per sqft ($571) is a 13% discount to closed comps ($657).

Price Position

Priced below the market — value advantage over the field.

Price advantage
Subject listed at $1.39M· $571/sqft
Total list price
Closed comps
vs closed median $1.65M
−$261K (−15.8%)
Active comps
vs active median $1.40M
−$9K (−0.7%)
Price per sqft
Closed compsinsufficient comp data
Active comps
vs active avg $/sqft $623
−$52 (−8.3%)

Active Properties (5)

Active Comparables

AddressCityYearBDBTHSqFtLotSzLP/SqFtLPDIMScore
685 Castlehill DriveWalnut2026442,46712,060$567$1.40M5496
673 CastlehillWalnut2026442,57912,225$538$1.39M395
22112 Portofino DriveWalnut2024442,3253,190$817$1.90M9487
20505 Missionary Ridge StreetWalnut1974432,2659,932$573$1.30M9586
20512 StarshineWalnut1974432,2658,621$618$1.40M2485
Total: 5 · Average4.03.62,380.29,205.6$622.6$1.48M54
Median2,325$1.40M

Closed Properties (5)

Closed Comparables

AddressCityYearDateBDBTHSqFtLotSzLPSPSP/SqFtSP/LPDIMScore
309 Camino De GloriaWalnut201109/02/2026442,4357,422$1.20M$1.16M$4740.964892
22080 Portofino DriveWalnut202409/21/2026442,5203,542$2.00M$1.85M$7340.938789
22092 Portofino AvenueWalnut202407/31/2026442,3253,190$1.82M$1.80M$7740.9936587
1941 Onyx DriveWalnut198808/12/2026432,44012,036$1.73M$1.65M$6760.956886
825 BRIDGEWATER LaneWalnut198608/11/2026432,4818,645$1.55M$1.55M$6251.001985
Total: 5 · Average4.03.62,440.26,967$1.60M$1.60M$656.6—117.4
Median2,440$1.65M$1.65M

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.