2838 Castle Rock Rd is a 1,486 square foot house on a 7,616 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on March 23, 1989 for $175,000. Based on Redfin's Diamond Bar data, we estimate the home's value is $909,385.
Single-familyProperty Type
1962Year Built
7,616 sq ftLot Size
$612Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$909,385
$734K since sold in March 1989$1,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.4% lower than the average sale price ($931K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RLM
Low/Medium Density Residential District
The RLM zoning district is intended primarily for existing subdivided areas developed with detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be five dwellings per gross acre. The RLM zoning district is consistent with the low density residential land use category of the general plan.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space
Property details
Interior
Heating & Cooling
Heating Type: Central
Exterior
Property Information
Subdivision Name: 25985
Living Sq. Ft: 1,486
# of Units: 1
Legal Description: TRACT # 25985 LOT 40
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,616
Legal Lot Number: 40
Municipality Name: DIAMOND BAR
Acres: 0.1748
Depth Footage: 111
Front Footage: 68
Zoning Code: LCR171/2
County Use Description: SINGLE FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,486
Stories: —
Lot Size: 7,616 square feet
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1963
County: Los Angeles County
APN: 8285019002
Home facts updated by county records on Aug 31, 2026
Around this home
Schools
Castle Rock Elementary School
Public K-5 • Assigned • 0.3mi
10/10
South Pointe Middle School
Public 6-8 • Assigned • 1.3mi
10/10
Diamond Bar High School
Public 9-12 • Assigned • 0.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
The real estate market is becoming more balanced. Buyers have more inventory, more data, and more time to make informed decisions than they did a year ago. Well-priced homes are still moving quickly, but today’s market rewards preparation, strategy,...