2421 Castle Rock Rd, Diamond Bar, CA 91765
Home value
$951,000
$865,000 - $1.05M
$3,953/mo
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Zillow last checked: 7 hours ago
Listing updated: December 12, 2025 at 07:11am
Ashley Magallon DRE # 02214413 310-597-8244,
eXp Realty of Greater Los Angeles 888-652-1314
Celin Chen, DRE # 02091285
Pinnacle Real Estate Group
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Central
Cooling
- Air Conditioning, Central Air
Appliances
- Laundry: In Garage
Features
- Flooring: Carpet, Wood
- Has fireplace: Yes
- Fireplace features: Gas and Wood
Interior area
- Total structure area: 1,300
- Total interior livable area: 1,300 sqft
Property
Parking
- Total spaces: 3
- Parking features: Driveway, Garage - 2 Car
- Has garage: Yes
- Uncovered spaces: 3
Features
- Levels: One
- Stories: 1
- Has private pool: Yes
- Pool features: In Ground, Private
- Spa features: None
- Has view: Yes
- View description: Pool, Hills
- Has water view: Yes
Lot
- Size: 8,942 sqft
- Dimensions: 80 x 112
Details
- Additional structures: None
- Parcel number: 8285007018
- Zoning: LCR171/2
- Special conditions: Standard
- Other equipment: None
Construction
Type & style
- Home type: SingleFamily
- Architectural style: A-Frame
- Property subtype: Residential, Single Family Residence
Condition
- Year built: 1963
Community & neighborhood
Security
- Security features: Carbon Monoxide Detector(s), Smoke Detector(s)
Location
- Region: Diamond Bar
Price history
| Date | Event | Price |
|---|---|---|
| 12/12/2025 | Sold | $959,000$738/sqft |
Source: | ||
| 12/8/2025 | Pending sale | $959,000$738/sqft |
Source: | ||
| 11/13/2025 | Contingent | $959,000$738/sqft |
Source: | ||
| 11/12/2025 | Price change | $959,000+4.8%$738/sqft |
Source: | ||
| 10/31/2025 | Listed for sale | $915,000+84.8%$704/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $8,809 +4.1% | $689,972 +2% |
| 2024 | $8,460 +2.4% | $676,444 +2% |
| 2023 | $8,259 +2.1% | $663,182 +2% |
Find assessor info on the county website
Neighborhood: 91765
Nearby schools
GreatSchools rating
- 8/10Evergreen Elementary SchoolGrades: K-5Distance: 0.2 mi
- 9/10Chaparral Middle SchoolGrades: 6-8Distance: 1.4 mi
- 10/10Diamond Bar High SchoolGrades: 9-12Distance: 0.5 mi
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- California
- Los Angeles County
- Diamond Bar
- 91765
- 2421 Castle Rock Rd

