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. Slow closing drawers. 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. Potential to build ADU in the backyard. There is another street in the backyard. Schedule your private tour today.
For sale
Listed by: ReMax 2000 Realty • Ying-Yu Chang • Contact: 951-642-2982
Price cut: $90K (7/25)
$1,498,000
673 Castlehill Dr, Walnut, CA 91789
4beds
2,579sqft
Single Family Residence
Built in 2026
0.28 Acres Lot
$-- Zestimate®
$581/sqft
$-- HOA
What's special
- 132 days
- 550
- 29
Zillow last checked:
Listing updated:
Listed by:
Ying-Yu Chang DRE #01414959 951-642-2982,
ReMax 2000 Realty
Source: CRMLS,MLS#: TR26153526
Originating MLS: California Regional MLS
Originating MLS: California Regional MLSFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
- Main level bathrooms: 2
- Main level bedrooms: 1
Rooms
- Room types: Bathroom, Bedroom, Family Room, Kitchen, Primary Bedroom, Other, Dining Room
Primary bedroom
- Features: Primary Suite
Bedroom
- Features: Bedroom on Main Level
Bathroom
- Features: Jack and Jill Bath
Bathroom
- Features: Walk-In Shower
Kitchen
- Features: Quartz Counters
Other
- Features: Walk-In Closet(s)
Heating
- Central
Cooling
- Central Air
Appliances
- Included: 6 Burner Stove, Dishwasher, Gas Range, Microwave, Refrigerator, Water To Refrigerator
- Laundry: Washer Hookup, Inside, Upper Level
Features
- Separate/Formal Dining Room, Quartz Counters, Bedroom on Main Level, Jack and Jill Bath, Primary Suite, Walk-In Closet(s)
- Flooring: Vinyl
- Windows: Double Pane Windows
- Has fireplace: Yes
- Fireplace features: Family Room
- Common walls with other units/homes: No Common Walls
Interior area
- Total interior livable area: 2,579 sqft
Video & virtual tour
Property
Parking
- Total spaces: 2
- Parking features: Garage Faces Front, Garage, Paved
- Attached garage spaces: 2
Features
- Levels: Two
- Stories: 2
- Entry location: 1
- Pool features: None
- Has view: Yes
- View description: City Lights, Hills
Lot
- Size: 0.28 Acres
- Features: 2-5 Units/Acre
Details
- Parcel number: 8722014022
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Condition
- Updated/Remodeled
- New construction: No
- Year built: 2026
Utilities & green energy
- Electric: Electricity - On Property
- Sewer: Sewer On Bond
- Water: Public
- Utilities for property: Electricity Connected, Sewer Connected, Water Connected
Community & HOA
Community
- Features: Street Lights, Sidewalks
Location
- Region: Walnut
Financial & listing details
- Price per square foot: $581/sqft
- Tax assessed value: $434,887
- Date on market: 7/15/2026
- Cumulative days on market: 133 days
- Listing terms: Cash,Cash to New Loan
- Road surface type: Paved
Estimated market value
Not available
Estimated sales range
Not available
$5,372/mo
Price history
| Date | Event | Price |
|---|---|---|
| 7/25/2026 | Price change | $1,498,000-5.7%$581/sqft |
Source:  CRMLS #TR26153526 Report a problem | ||
| 7/15/2026 | Listed for sale | $1,588,000-0.7%$616/sqft |
Source: CRMLS #TR26153526 Report a problem | ||
| 6/16/2026 | Listing removed | $1,599,000$620/sqft |
Source: eXp Realty #AR26056234 Report a problem | ||
| 5/18/2026 | Price change | $1,599,000-5.4%$620/sqft |
Source: eXp Realty #AR26056234 Report a problem | ||
| 4/10/2026 | Price change | $1,690,000-5.5%$655/sqft |
Source: eXp Realty #AR26056234 Report a problem | ||
| 3/24/2026 | Listed for sale | $1,788,000$693/sqft |
Source: eXp Realty #AR26056234 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | -- | $434,887 +2% |
| 2025 | $5,156 +3.5% | $426,360 +2% |
| 2024 | $4,983 +38.6% | $418,000 +39.2% |
| 2023 | $3,596 +2.2% | $300,215 +2% |
| 2022 | $3,518 +1.8% | $294,329 +2% |
| 2021 | $3,456 +1.2% | $288,558 +1% |
| 2020 | $3,414 | $285,600 +2% |
| 2019 | $3,414 +1547.1% | $280,000 +4109.9% |
| 2018 | $207 | $6,651 +2% |
| 2017 | $207 +0.6% | $6,521 +2% |
| 2016 | $206 +1.1% | $6,394 +1.5% |
| 2015 | $204 -4% | $6,298 +2% |
| 2014 | $212 | $6,175 +2.4% |
| 2012 | -- | $6,028 +2% |
| 2011 | -- | $5,910 +0.8% |
| 2010 | -- | $5,866 -0.2% |
| 2009 | -- | $5,880 +2% |
| 2008 | -- | $5,765 +2% |
| 2007 | -- | $5,652 +2% |
| 2006 | -- | $5,542 |
| 2005 | -- | $5,542 +4% |
| 2004 | -- | $5,328 +1.9% |
| 2003 | -- | $5,231 +2% |
| 2002 | -- | $5,129 +4% |
| 2000 | -- | $4,931 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 91789
Nearby schools
Schools provided by the listing agent
- Middle: South Pointe
- High: Walnut
Source: CRMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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