685 Castlehill Drive, Walnut, California 91789, Walnut, 91789 - 4 bed, 5 bath

685 Castlehill Drive, Walnut, California 91789 home-pic-0

685 Castlehill Drive

Walnut, California 91789

ACTIVE
CONDITION: EXCELLENT
4Beds
5Baths
2,467Sq Ft
12,060Lot Size

Property Price

LIST PRICE$1,746,900
EST. MARKET VALUE
$1,603,958
8% AboveMARKET VALUE

SUMMARY

Estimated Market Value

$1,603,958
Based on Realkey algorithm analyzing recent comparable sales in Walnut.

Comparable Sales Map

Comparables within 1 miles sold in recently

Address Sold Price BedsBathsSq Ft$/SqftDistance
685 Castlehill Drive
Subject
$1,746,900*
List Price
452,467$650-
A
689 Castlehill Dr
Sold
$1,650,000442,537$6500.0 mi
B
693 Castlehill Drive
Active
$1,720,240
List Price
452,432$7070.0 mi

* Subject property listed price vs sold prices of comps.

Condition Analysis

OVERALL CONDITION SCORE

Excellent
TeardownExcellent

Property is new construction or fully renovated.

This is a brand-new 2026 luxury construction featuring modern high-end finishes, including a gourmet kitchen with quartz countertops and premium stainless steel appliances, luxury vinyl plank flooring, and contemporary spa-like bathrooms. All systems are new with no deferred maintenance.

PROSSTRENGTHS & OPPORTUNITIES

  • High Available Lot Utilization

    The property has a large lot size, which is more than 4 times of its living area. lot size in square feet = 12060, living area = 2467.

  • Elite School District

    The property is situated within the award-winning Walnut Valley Unified School District, a primary driver for property value and a major draw for families seeking top-tier education.

  • New Construction with No Fees

    As a 2026-built luxury home, it offers modern energy efficiency and contemporary aesthetics with the rare advantage of having no HOA or Mello Roos assessments.

CONSRISKS & DEFICIENCIES

  • High Price Per Square Foot

    At a list price of approximately $1.75M for 2,467 sq. ft., the property commands a significant premium compared to existing non-new construction homes in the area.

  • Hillside Lot Constraints

    While the hillside location provides excellent views, the topography may limit the amount of flat, usable outdoor recreational space compared to traditional level lots.

About 685 Castlehill Drive

Welcome to an exclusive new enclave of just six newly built luxury single family residences in the prestigious City of Walnut, celebrated for its award winning Walnut Valley Unified School District. Set on expansive lots with breathtaking hillside views, each home offers approximately 2,432 to 2,900 square feet of refined living space on generous lots ranging from 9,950 square feet to 13,630 square feet, featuring four bedrooms and four and a half bathrooms. Designed for modern comfort and elegant entertaining, these residences showcase soaring ceilings, luxury vinyl plank flooring, sleek iron railings, and a bright open concept layout anchored by a gourmet kitchen with quartz countertops, premium stainless steel appliances, custom cabinetry, and a large center island. Walls of windows and sliding glass doors invite abundant natural light and seamless indoor outdoor living, opening to landscaped backyards with lush lawns, pergola covered patios, and ADU potential. Highlights include a main level junior suite ideal for guests or multi generational living, a spa inspired primary retreat with a soaking tub and walk in closet, two car garages with stone facades, private side yards, no HOA, no Mello Roos, and a prime location near major freeways, shopping, and top rated schools, making this a rare opportunity to own brand new luxury in one of Walnut’s most desirable neighborhoods.

Property Details

Public Facts

Property Type
Single Family Residence
Year Built
2026
Lot Size
12,060 Sq. Ft.

Interior

Total Bedrooms
4
Total Bathrooms
5 (5 Full, 0 Half)

Exterior & Parking

No exterior & parking available.

Utilities & Misc

HOA Fee
$0 / Month

Neighborhood Insights

Sensitive Facilities

No sensitive facilities data found.

Neighborhood Comparison

FeatureSubjectAverage HomeNeighborhood Ranking (50 Listings)
Beds4.04.0
50%
Baths5.03.0
90%
Square foot2,4672,015
69%
Lot Size12,0609,619
73%
Price$1.75M$1.22M
81%
Price per sq ft$708$623
83%
Built year20261984
99%
HOA$0$0
50%
Days on market18172
2%

Pricing History

Listed for Sale

Feb 16, 2026

$1,746,900

Initial Listing

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