673 Castlehill, Walnut, CA 91789

Single-Family · For sale · $1,588,000 · MLS# TR26153526

Single-Family for sale in Southern California — $1,588,000. 4 beds · 4 baths · 2,579 sqft. Welcome to brand new custom-built luxury single family residence in prestigious city of Walnut, with winning Walnut Valley School Unified School District. Great place to raise your kids. Big lot over 12,000 sq ft. Wit…

673 Castlehill
For sale

$1,588,000

673 Castlehill, Walnut, CA 91789

4beds
4baths
2,579sqft
Single-FamilyProperty type
2026Year built
0.28 acresLot size
2,579 sqftLiving area
$616/sqftPrice / sqft
HOA
2 spacesGarage

Facts & features

Interior

Bedrooms & bathrooms

  • Bedrooms: 4
  • Bathrooms: 4
  • Full bathrooms: 3
  • Half bathrooms: 1

Heating

  • Heating: Central

Cooling

  • Cooling: Central Air

Appliances

  • Included: Six Burner Stove, Dishwasher, Gas Range, Microwave, Refrigerator, Water To Refrigerator
  • Laundry: Washer Hookup, Inside, Upper Level

Interior area

  • Living area: 2,579 sqft

Property

Parking

  • Total parking spaces: 2
  • Garage spaces: 2

Lot

  • Lot size: 0.28 acres

Features

  • Pool features: None
  • View: City Lights, Hills

Construction

Type & style

  • Home type: Single-Family
  • Property subtype: Single Family Residence

Condition

  • Year built: 2026

Community & HOA

Community

  • Has HOA: No

Financial & listing details

  • Days on market: 4 days
  • Price / sqft: $616
  • Status: Active
  • MLS#: TR26153526

Location

  • City: Walnut
  • ZIP: 91789

About this home

Welcome to brand new custom-built luxury single family residence in prestigious city of Walnut, with winning Walnut Valley School Unified School District. Great place to raise your kids. Big lot over 12,000 sq ft. With city lights and hill views. Offering 4 bedrooms and 3.5 bathrooms. Main floor with one bedroom suite and separate powder room. Open floor plan with family room and dining room. Luxury vinyl plank flooring and high ceilings. A lot of upgrades in gourmet kitchen with elegant back splash, glass windows cabinets, quartz countertops and a large center island. Fireplace in family room. The primary suite with a freestanding soaking tub, walk-in shower and an oversized walk-in closet. Two additional bedrooms share with Jack and Jill bathroom. The garage finished with epoxy floors. No HOA. No Mello Roos. Located near major highways, shopping, dining and top-rated schools. Schedule your private tour today.

Listing updated: July 18, 2026 at 5:22 PM

Listed by: Ying-Yu Chang, ReMax 2000 Realty

Source: CRMLS, MLS#: TR26153526, Originating MLS: California Regional MLS

Location

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Walnut

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Facts & features

Interior

Bedrooms & bathrooms

  • Bedrooms: 4
  • Bathrooms: 4
  • Full bathrooms: 3
  • Half bathrooms: 1

Heating

  • Heating: Central

Cooling

  • Cooling: Central Air

Appliances

  • Included: Six Burner Stove, Dishwasher, Gas Range, Microwave, Refrigerator, Water To Refrigerator
  • Laundry: Washer Hookup, Inside, Upper Level

Interior area

  • Living area: 2,579 sqft

Property

Parking

  • Total parking spaces: 2
  • Garage spaces: 2

Lot

  • Lot size: 0.28 acres

Features

  • Pool features: None
  • View: City Lights, Hills

Construction

Type & style

  • Home type: Single-Family
  • Property subtype: Single Family Residence

Condition

  • Year built: 2026

Community & HOA

Community

  • Has HOA: No

Financial & listing details

  • Days on market: 4 days
  • Price / sqft: $616
  • Status: Active
  • MLS#: TR26153526

Location

  • City: Walnut
  • ZIP: 91789

Price history

DateEventPrice
7/15/2026Source: CRMLS, #TR26153526Listed for sale$1,588,000$616/sqft
California Regional Multiple Listing Service (CRMLS)

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.

Based on information from California Regional Multiple Listing Service, Inc. as of 2026-07-18 17:22:56 PDT and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information