Welcome to a wonderful S. Diamond Bar Heritage tract home. Super location next to the award winning Castle Rock elementary school, in the world famous Walnut School District! This coveted 4 bedroom floor plan offers so many amenities: a living room with fireplace, master bedroom with remodeled shower, kitchen with built in gas range and double oven, breakfast bar, indoor laundry room, updated central air and heat, and new dual pane windows to name a few. The back yard was made for entertaining, highlighted by a newer pool and spa that is graced with stone and two sheer descents. The pool equipment features salt water chlorinating and a stone wall surround for noise reduction and beautification- placed opposite the raised spa area for extra quiet operation while relaxing. The lush lawn area for pets and kids and ample concrete flat work for adult lounging offers something for everyone. Stay in the shade under the spacious back yard covered patio- solid covered to keep you dry in any weather, also with recessed lights. TV hook ups for outside entertainment. Newer robust composition shingle roof. Southern most side of DB. for easy access to OC or LA metro area. Walk to local shopping at the Super H Mart center or to Heritage Park.
Single-familyProperty Type
1963Year Built
7,579 sq ftLot Size
$736Est. Price/Sq.Ft.
2 car garageParking
Listed by Ty Courtney Wallace•DRE #01016494• Coldwell Banker Tri-Counties R
Bought with JAMES YANG•DRE #01228924• KO TAI REALTY
GREAT FAMILY HOME LOCATED IN WALNUT SCHOOL DISTRICT * 4 BDRM * 2 BTH * BONUS RM * INSIDE LAUNDRY RM * REMODELED KITCHEN * TILE FLOORING IN KITCHEN, DINNING RM, HALLWAY AND BATHS * FIREPLACE IN LIVING RM * BEAUTIFULLY LANDSCAPED WITH ROSE GARDEN * 2 CAR GARAGE. BONUS ROOM NOT INCLUDED IN SQFT.
Year
Property tax
Land + Additions
Assessment*
2025
$8,512 (+4.8%)
$508,115 + $149,549
$657,664
2024
$8,120 (+2.4%)
$508,115 + $149,549
$657,664
2023
$7,928 (+2.1%)
$498,152 + $146,617
$644,769
2022
$7,764 (+1.8%)
$488,385 + $143,743
$632,128
2021
$7,624 (+1.3%)
$478,809 + $140,925
$619,734
2020
$7,529 (+1.9%)
$469,421 + $138,162
$607,583
2019
$7,386 (+4.9%)
$464,608 + $136,746
$601,354
2018
$7,044 (+4.8%)
$455,499 + $134,065
$589,564
2017
$6,721 (+64.1%)
$437,812 + $128,860
$566,672
2016
$4,095
$437,812 + $128,860
$566,672
2015
$4,095
$429,228 + $126,334
$555,562
2010
$4,095
$242,443 + $101,867
$344,310
2009
$4,095
$242,443 + $101,867
$344,310
2008
$4,095
$242,443 + $101,867
$344,310
Tax history for 3069 Castle Rock Rd
Year
Property tax
Land + Additions
Assessment*
2025
$8,512 (+4.8%)
$508,115 + $149,549
$657,664
2024
$8,120 (+2.4%)
$508,115 + $149,549
$657,664
2023
$7,928 (+2.1%)
$498,152 + $146,617
$644,769
2022
$7,764 (+1.8%)
$488,385 + $143,743
$632,128
2021
$7,624 (+1.3%)
$478,809 + $140,925
$619,734
2020
$7,529 (+1.9%)
$469,421 + $138,162
$607,583
2019
$7,386 (+4.9%)
$464,608 + $136,746
$601,354
2018
$7,044 (+4.8%)
$455,499 + $134,065
$589,564
2017
$6,721 (+64.1%)
$437,812 + $128,860
$566,672
2016
$4,095
$437,812 + $128,860
$566,672
2015
$4,095
$429,228 + $126,334
$555,562
2010
$4,095
$242,443 + $101,867
$344,310
2009
$4,095
$242,443 + $101,867
$344,310
2008
$4,095
$242,443 + $101,867
$344,310
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Beds
4
Baths
2
Stories
—
Lot width
—
Lot depth
—
Lot size
7,581 Sq. Ft.
Year renovated
1963
Sq. Ft.
1,288
Year built
1963
Style
Single Family Residential
County
Los Angeles County
APN
8285026001
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 31, 2026.
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
Parking
Parking / Garage Information
# of Garage Spaces: 2
Driveway - Concrete, Driveway, Garage - Front Entry, Direct Garage Access, Garage, Garage - Two Door
Has Parking
# of Parking Spaces: 2
Interior
Laundry Information
Has Laundry
Gas Dryer Hookup, Individual Room, Washer Hookup
Kitchen Information
Appliances: Built In Range, Dishwasher, Vented Exhaust Fan
Has Appliances
Breakfast Counter / Bar
Bathroom Information
# of Baths (Full): 2
Cooling Information
Central
Has Cooling
Room Information
All Bedrooms Down, Living Room, Primary Bedroom, Main Floor Bedroom, Main Floor Primary Bedroom, Utility Room
Fireplace Information
Living Room
Has Fireplace
Flooring Information
Carpet, Tile
Heating Information
Central Furnace, Forced Air, Natural Gas
Has Heating
Interior Features
Mirrored Closet Doors, Sliding Glass Door(s)
Unfurnished
Levels: One
Security Features: Carbon Monoxide Detector(s), Fire Rated Drywall, Smoke Detector
Spa Features: Gunite, Heated, In Ground, Private
Has Spa
Window Features: Double Pane Windows
Exterior
Exterior Information
Roof: Composition, Shingle
Fencing: Blockwall, Chain Link
Has Fence
Construction Materials: Frame, Stucco
Foundation Information
Foundation Details: Concrete Slab
Exterior Features
Patio And Porch Features: Covered
Has Patio
Pool Features: Filtered, Gunite, Heated, Heated with Gas, In Ground, Private
Has Pool
Has Sprinklers
Lot Information
Lot Size Source: Assessor's Data
Lot Features: Back Yard, Corners Established, Front Yard, Lawn, Landscaped, Lot Shape-Rectangular, Lot 6500-9999, Level with Street, Sprinklers In Front, Sprinklers In Rear, Sprinklers Timer, Yard
Property Information
Total # of Units: 1
Common Walls: No Common Walls
Direction Faces: East
Living Area Source: Assessor's Data
Parcel Number: 8285026001
Property Condition: Termite Clearance
Total # of Stories: 1
Year Built Source: Assessor
Financial
Assesments Information
Assessments: Unknown
Utilities
Utilities Information
Electric: Electricity - On Property
Sewer: Sewer Paid
Natural Gas Available, Sewer Connected, Sewer Available, Telephone - On Property, Underground Utilities, Water Connected
Water Source: District/Public
Location
Multi-Unit Information
# of Units In Community: 1
Neighborhood Information
Community Features: Curbs, Gutters, Sidewalks, Street Lighting, Storm Drains, Suburban
School Information
High School District: Walnut Valley Unified
Location Information
Latitude: 33.97108800
Longitude: -117.84412400
Other Subdivision Name: Heritage Homes
Road Frontage Type: Access via City Streets
Subdivision Name: Heritage Homes
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,288
Stories: —
Lot Size: 7,581 square feet
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1963
County: Los Angeles County
APN: 8285026001
Home facts updated by county records on Aug 31, 2026
Other
Listing Information
Days Active in MLS: 57
Continuous Days Active in MLS: 57
Listing Agent Information
List Agent First Name: Ty Courtney
List Agent Last Name: Wallace
Listing Office Information
List Office Name: Coldwell Banker Tri-Counties R
Selling Agent Information
Buyer Agent First Name: JAMES
Buyer Agent Last Name: YANG
Selling Office Information
Buyer Office Name: KO TAI REALTY
Around this home
Schools
Castle Rock Elementary School
Public K-5 • Assigned • 0.1mi
10/10
South Pointe Middle School
Public 6-8 • Assigned • 1.4mi
10/10
Diamond Bar High School
Public 9-12 • Assigned • 0.8mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
7/10 Flood Factor
Estimated 72-80% chance of a flood reaching the building in the next 30 years
5/10 Fire Factor
4% chance of being in a wildfire in next 30 years
6/10 Heat Factor
7 days above 98° expected this year, 21 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
6/10 Air Factor
10 unhealthy days expected this year, 13 days in 30 years
Provided by First Street
Historical weather
Diamond Bar, CA • 91765
Average low and high temperatures (°F)
68
50
71
52
73
53
72
53
76
57
81
60
86
63
89
65
85
65
80
59
71
52
69
51
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 9.5 hours in
June and 6.9 hours in December, placing it above the
U.S. average for solar exposure.
9.5 hrs
6.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$901,000 – $1.09M
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