180 Degree City light and Mountain View with Fully Remodeled Home. Walnut Valley School District. Open and Bright Floor Plan with 4 Large Bedrooms and 3 Bathrooms. 1 Bedroom and 1 Bathroom Downstairs. Hardwood and Trvertine Flooring. Upgraded Kitchen with Custom Cabinery and Granite Counter tops. Large Master Bedroom with Rennovated Bathrooms. 3 Car Attached Garage. Large Backyard with Swimming Pool and Spa. Convenient Location to Hmart Plaza and Schools. Easy Commute to 57 and 60 to Orange and LA, SB County. Prestigious Diamond Bar High School.
Single-familyProperty Type
1977Year Built
0.51 acresLot Size
$607Est. Price/Sq.Ft.
3 car garageParking
Listed by Cathy Cheng•DRE #01270713• CC Royal Realty
Contact: 626-222-3050
Bought with DANIEL BOLING•DRE #01701321• COLE LANE REAL ESTATE
Beautiful home in the walnut school district. 180 degree city light and mountain view. swimming pool and spa. spacious floor plan with 4 bedrooms and 3 bathrooms. Plantation wood shutters and dual pane windows. upgraded kitchen cabinets and granite counter tops.
Public Records
Mar 10, 1978
Sold
$120,000
$44/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$13,056 (+5.3%)
$531,453 + $490,107
$1,021,560
2024
$12,394 (+2.9%)
$531,453 + $490,107
$1,021,560
2023
$12,049 (+2.5%)
$521,033 + $480,498
$1,001,531
2022
$11,751 (+1.9%)
$510,817 + $471,077
$981,894
2021
$11,533 (+1.3%)
$500,801 + $461,841
$962,642
2020
$11,386 (+2.0%)
$490,982 + $452,786
$943,768
2019
$11,167 (+4.2%)
$485,948 + $448,144
$934,092
2018
$10,718 (+4.8%)
$476,420 + $439,357
$915,777
2017
$10,224 (+3.0%)
$457,921 + $422,298
$880,219
2016
$9,923 (−0.6%)
$457,921 + $422,298
$880,219
2015
$9,985 (+199.5%)
$448,943 + $414,018
$862,961
2014
$3,334 (+1.3%)
$38,593 + $203,257
$241,850
2012
$3,291 (+2.9%)
$38,419 + $202,339
$240,758
2011
$3,198 (+0.8%)
$37,666 + $198,372
$236,038
2010
$3,172 (+0.7%)
$36,928 + $194,483
$231,411
2009
$3,150 (+2.9%)
$36,653 + $193,030
$229,683
2008
$3,062
$36,741 + $193,489
$230,230
Tax history for 21496 Cold Spring Ln
Year
Property tax
Land + Additions
Assessment*
2025
$13,056 (+5.3%)
$531,453 + $490,107
$1,021,560
2024
$12,394 (+2.9%)
$531,453 + $490,107
$1,021,560
2023
$12,049 (+2.5%)
$521,033 + $480,498
$1,001,531
2022
$11,751 (+1.9%)
$510,817 + $471,077
$981,894
2021
$11,533 (+1.3%)
$500,801 + $461,841
$962,642
2020
$11,386 (+2.0%)
$490,982 + $452,786
$943,768
2019
$11,167 (+4.2%)
$485,948 + $448,144
$934,092
2018
$10,718 (+4.8%)
$476,420 + $439,357
$915,777
2017
$10,224 (+3.0%)
$457,921 + $422,298
$880,219
2016
$9,923 (−0.6%)
$457,921 + $422,298
$880,219
2015
$9,985 (+199.5%)
$448,943 + $414,018
$862,961
2014
$3,334 (+1.3%)
$38,593 + $203,257
$241,850
2012
$3,291 (+2.9%)
$38,419 + $202,339
$240,758
2011
$3,198 (+0.8%)
$37,666 + $198,372
$236,038
2010
$3,172 (+0.7%)
$36,928 + $194,483
$231,411
2009
$3,150 (+2.9%)
$36,653 + $193,030
$229,683
2008
$3,062
$36,741 + $193,489
$230,230
*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
0.51 Acres
Year renovated
1977
Sq. Ft.
2,712
Year built
1977
Style
Single Family Residential
County
Los Angeles County
APN
8714002006
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 30, 2026.
RL
Low Density Residential District
The RL zoning district is intended primarily for parcels developed with existing detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be three dwellings per gross acre. The RL zoning district is consistent with the low density residential land use category of the general plan.
Permitted uses
Include but are not limited to:
Livestock production
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
# of Parking Spaces: 3
Interior
Laundry Information
Has Laundry
Inside
Bathroom Information
# of Baths (Full): 3
Cooling Information
Central
Has Cooling
Room Information
Center Hall, Family Room, Formal Entry
Fireplace Information
Family Room
Has Fireplace
Heating Information
Central Furnace
Has Heating
Interior Features
Entry Level: 1
Entry Location: 1
Levels: Two
Main Level Bathrooms: 1
Main Level Bedrooms: 1
Exterior
Exterior Information
Structure Type: House
Exterior Features
Pool Features: Private, In Ground
Has Pool
Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: 0-1 Unit/Acre
Property Information
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8714002006
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: Diamond Bar
High School District: Walnut Valley Unified
High School 2: DIABAR
Location Information
Latitude: 33.96731700
Longitude: -117.84128000
Directions: Diamond bar Blvd and Cold Spring
Zoning: LCR19000*
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,712
Stories: —
Lot Size: 0.51 acres
Style: Single Family Residential
Year Built: 1977
Year Renovated: 1977
County: Los Angeles County
APN: 8714002006
Home facts updated by county records on Aug 30, 2026
Other
Listing Information
IDX Contact Info: 626-222-3050
Days Active in MLS: 55
Continuous Days Active in MLS: 55
Listing Agent Information
List Agent First Name: Cathy
List Agent Last Name: Cheng
Listing Office Information
List Office Name: CC Royal Realty
Selling Agent Information
Buyer Agent First Name: Daniel
Buyer Agent Last Name: Boling
Selling Office Information
Buyer Office Name: COLE LANE REAL ESTATE
Around this home
Schools
Castle Rock Elementary School
Public K-5 • Assigned • 0.4mi
10/10
South Pointe Middle School
Public 6-8 • Assigned • 1.7mi
10/10
Diamond Bar High School
Public 9-12 • Assigned • 1.0mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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