21479 Cold Spring Ln is a 2,712 square foot house on a 0.39 acre lot with 3 bedrooms and 3 bathrooms. - it last sold on August 21, 1984 for $220,000. Based on Redfin's Diamond Bar data, we estimate the home's value is $1,373,583.
Single-familyProperty Type
1977Year Built
0.39 acresLot Size
$506Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,373,583
$1.2M since sold in August 1984$40K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.7% lower than the average sale price ($1.46M) 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
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
Interior
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: 32974
Living Sq. Ft: 2,712
# of Units: 1
Legal Description: TR=32974 LOT 38
Lot Information
# of Buildings: 1
Land Sq. Ft: 17,044
Legal Lot Number: 38
Municipality Name: DIAMOND BAR
Acres: 0.3913
Zoning Code: LCR19000*
County Use Description: SINGLE FAMILY RESID
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,712
Stories: —
Lot Size: 0.39 acres
Style: Single Family Residential
Year Built: 1977
Year Renovated: 1977
County: Los Angeles County
APN: 8714004006
Home facts updated by county records on Aug 30, 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 • 1.6mi
10/10
Diamond Bar High School
Public 9-12 • Assigned • 0.9mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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