Welcome to this beautifully updated 4-bedroom, 3-bath home in the highly desirable community of Diamond Bar. Recent upgrades include fresh paint throughout, a brand-new side patio door, stylish new lighting fixtures, and a new motor and single garage door for added convenience. The home has been meticulously waxed, giving the floors a pristine finish. Enjoy the bright, open floor plan with high ceilings and large windows, a modern kitchen with granite countertops, and a cozy family room with a fireplace. The master suite offers a serene retreat with a walk-in closet and a lovely view, while the additional bedrooms provide flexible space for offices or guest rooms. Located in the top-rated Walnut Valley Unified School District, this home is also close to parks, shopping, and freeway access. Move-in ready with all its recent upgrades, this is a must-see!
Single-familyProperty Type
1976Year Built
0.46 acresLot Size
$618Est. Price/Sq.Ft.
3 car garageParking
Listed by NI ZHEN•DRE #01967897• RE/MAX 2000 REALTY
Contact: 626-759-1971
Bought with Brian Cheng•DRE #02237232• ReMax 2000 Realty
Absolutely Amazing and Exclusive Property! This home sits on a 20,150 exclusive flag lot, just like its own estate! The home has been completely remodeled inside with a beautiful kitchen, bathrooms flooring, even a home theater room and so much more. The exterior grounds features a long private driveway, amazing views, beautiful swimming pool and spa, parking for many cars, 3 car garage and even RV parking, secluded dog run, secluded court yard with views, three car garage, and so much more. Assessor shows 3 bed, but it has 4 bedrooms! Property location: In Walnut Unified School District, proximity to Orange County and La County, near 57 fwy, close to Metrolink, 5 miles to Chino Hills Mall, View of the Country, Secluded Privacy.
Public Records
Apr 27, 1998
Sold
$253,500
$112/sq ft
Public Records
Aug 21, 1996
Sold
$242,000
$107/sq ft
Public Records
Sep 10, 1980
Sold
$140,000
$62/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$16,079 (+33.1%)
$978,000 + $312,000
$1,290,000
2024
$12,081 (+2.4%)
$978,000 + $312,000
$1,290,000
2023
$11,793 (+2.1%)
$545,018 + $431,234
$976,252
2022
$11,551 (+1.9%)
$534,332 + $422,779
$957,111
2021
$11,341 (+1.3%)
$523,855 + $414,490
$938,345
2020
$11,197 (+1.9%)
$513,584 + $406,363
$919,947
2019
$10,984 (+4.5%)
$508,318 + $402,197
$910,515
2018
$10,513 (+142.0%)
$498,351 + $394,311
$892,662
2017
$4,345 (+3.3%)
$155,046 + $193,710
$348,756
2016
$4,205 (−0.5%)
$155,046 + $193,710
$348,756
2015
$4,227 (−0.3%)
$152,006 + $189,912
$341,918
2014
$4,239 (+1.2%)
$146,791 + $183,396
$330,187
2012
$4,187 (+2.9%)
$146,128 + $182,568
$328,696
2011
$4,067 (+0.8%)
$143,263 + $178,989
$322,252
2010
$4,034 (+0.5%)
$140,454 + $175,480
$315,934
2009
$4,014 (+2.8%)
$139,405 + $174,169
$313,574
2008
$3,904
$139,737 + $174,583
$314,320
Tax history for 21551 Carriso Rd
Year
Property tax
Land + Additions
Assessment*
2025
$16,079 (+33.1%)
$978,000 + $312,000
$1,290,000
2024
$12,081 (+2.4%)
$978,000 + $312,000
$1,290,000
2023
$11,793 (+2.1%)
$545,018 + $431,234
$976,252
2022
$11,551 (+1.9%)
$534,332 + $422,779
$957,111
2021
$11,341 (+1.3%)
$523,855 + $414,490
$938,345
2020
$11,197 (+1.9%)
$513,584 + $406,363
$919,947
2019
$10,984 (+4.5%)
$508,318 + $402,197
$910,515
2018
$10,513 (+142.0%)
$498,351 + $394,311
$892,662
2017
$4,345 (+3.3%)
$155,046 + $193,710
$348,756
2016
$4,205 (−0.5%)
$155,046 + $193,710
$348,756
2015
$4,227 (−0.3%)
$152,006 + $189,912
$341,918
2014
$4,239 (+1.2%)
$146,791 + $183,396
$330,187
2012
$4,187 (+2.9%)
$146,128 + $182,568
$328,696
2011
$4,067 (+0.8%)
$143,263 + $178,989
$322,252
2010
$4,034 (+0.5%)
$140,454 + $175,480
$315,934
2009
$4,014 (+2.8%)
$139,405 + $174,169
$313,574
2008
$3,904
$139,737 + $174,583
$314,320
*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
3
Baths
3
Stories
—
Lot width
—
Lot depth
—
Lot size
0.46 Acres
Year renovated
1976
Sq. Ft.
2,268
Year built
1976
Style
Single Family Residential
County
Los Angeles County
APN
8292005024
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
Attached Garage
# of Garage Spaces: 3
Direct Garage Access, Driveway, Driveway - Concrete, Garage, Garage - Front Entry
Has Parking
# of Parking Spaces: 3
Interior
Laundry Information
Has Laundry
In Garage
Kitchen Information
Area, Formal Dining Room, In Kitchen
Bathroom Information
# of Baths (Full): 3
Cooling Information
Central
Has Cooling
Room Information
All Bedrooms Up, Family Room, Formal Entry, Kitchen, Living Room, Primary Bathroom, Primary Bedroom, Primary Suite, Walk-In Closet, Walk-In Pantry
Fireplace Information
Living Room
Has Fireplace
Heating Information
Central Furnace
Has Heating
Interior Features
Entry Level: 1
Entry Location: /
Levels: Two
Main Level Bathrooms: 1
Main Level Bedrooms: 0
Spa Features: Private
Has Spa
Exterior
Exterior Information
Structure Type: House
Exterior Features
Pool Features: Private, Fenced, In Ground, Waterfall
Has Pool
Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: Lot 20000-39999 Sqft
Property Information
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8292005024
Total # of Stories: 2
Has View
Year Built Source: Assessor
Property ADU: No
Utilities
Utilities Information
Sewer: Public Sewer
Water Source: District/Public
Location
Neighborhood Information
Community Features: Curbs
School Information
High School District: Walnut Valley Unified
Location Information
Latitude: 33.98712000
Longitude: -117.83626000
Directions: 57 fwy and Pathfinder exit
Zoning: LCR18000*
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,268
Stories: —
Lot Size: 0.46 acres
Style: Single Family Residential
Year Built: 1976
Year Renovated: 1976
County: Los Angeles County
APN: 8292005024
Home facts updated by county records on Aug 31, 2026
Other
Listing Information
IDX Contact Info: 626-759-1971
Days Active in MLS: 6
Continuous Days Active in MLS: 6
Listing Agent Information
List Agent First Name: NI
List Agent Last Name: ZHEN
Listing Office Information
List Office Name: RE/MAX 2000 REALTY
Selling Agent Information
Buyer Agent First Name: Brian
Buyer Agent Last Name: Cheng
Selling Office Information
Buyer Office Name: ReMax 2000 Realty
Around this home
Schools
Evergreen Elementary School
Public K-5 • Assigned • 0.5mi
9/10
Chaparral Middle School
Public 6-8 • Assigned • 1.2mi
10/10
Diamond Bar High School
Public 9-12 • Assigned • 0.4mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
6/10 Heat Factor
6 days above 98° expected this year, 16 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
86
64
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
$1.33M – $1.61M
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