Los Angeles County  »  21211 Cold Spring Ln

21211 Cold Spring Lane, Diamond Bar, CA 91765 - Property report

Also known as: 21211 Cold Spring Ln

Property image for 21211 Cold Spring Lane, Diamond Bar, CA 91765
static Mapbox map

Property type

Single Family Residence (0100)

Year built

1964

Acreage

0.18

Sale price

$1,041,000

General Information

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Address
Primary address
21211 Cold Spring Ln
Diamond Bar, CA 91765
Zip code
91765
County
Los Angeles
Municipality
Diamond Bar

Owner

Find out who owns 21211 Cold Spring Lane, Diamond Bar, CA 91765. Uncover corporate and individual owners with a free account.

Building
Property type
Single Family Residence
Building sq. ft.
1,288
Buildings on lot
1
Year built
1964
Last altered
Bedrooms
4
Bathrooms
2
HVAC
Central heating
Sales
Sale date
06/03/2025
Sale price
$1,041,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$12,680
Tax per sq. ft.
$10
Zoning & use
Zoning
Low Medium Density Residential (RLM)
Units
1
Lot
Acreage
0.18

Area overview

Walk score
66 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
41 /100.  Somewhat Bikeable
School district
Walnut Valley Unified School District
Weed hazard
No
Ownership

Ownership information for 21211 Cold Spring Lane, Diamond Bar, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 21211 Cold Spring Lane, Diamond Bar, CA 91765

Sale date Sale price Buyer name Seller name
06/03/2025 $1,041,000 XXXXX XXXXX X; XXXXX XX XXXXXXXX XXXXXXX; XXXXXXXX XXXX
10/03/2024 $550,000 XXXXXXXX XXXXXXX; XXXXXXXX XXXX XXXXXXX XXXX XXXXXXXXX; XXXXXXX XXXXXXX XXXXXX XXXX

*Most recent sales on record for this property.

More about Los Angeles County property records.

Title documents

Date Type Amount Party 1 Party 2
03/04/2026 Assignment of Rents
Trust Deed		 XXXXX XXXXX X XXXXXX XXXX XXX
06/03/2025 Assignment of Rents
Trust Deed		 XXXXX XXXXX X XXXXXX XXXX XXX
06/03/2025 Grant Deed
(Sale for consideration - full DTT)		 XXXXXXXX XXXXXXX XXXXX XXXXX X
10/03/2024 Grant Deed
(Sale for consideration - full DTT)		 XXXXXXX XXXX XXXXXXXXX XXXXXXXX XXXXXXX
10/03/2024 Grant Deed XXXXXXXXX XXXXX XXXXX XXXXXXXX XXX XXXXXXX XXXX XXXXXXXXX XXXXXXX
04/21/2021 Trust Transfer Deed XXXXXXXX XXXX XXXX XXXXXXXXX XXXXXXX XXX XXXXXXX XXXXXX XXXX XXXXXXX XXXXXXXXX XXXXX
03/26/2021 Trust Deed XXXXXXXXX XXXXX XXXXX XXXXXXXX XXX XXXXXXXXXX XXXXXXXX XXXX
03/26/2021 Grant Deed
(Reappraisal transfer - no DTT - Single parcel sale)		 XXXXXXX XXXX XXXXXXXXX XXXXXXXXX XXXXX XXXXX XXXXXXXX XXX
01/22/2021 Affidavit Succession Interest XXXXXXXX XXXX XXXXXX XXXXXXX XXXX XXXXXXXXX
12/30/2020 Affidavit Succession Interest
(File correction - Single parcel sale)		 XXXXXXXX XXXX XXXXXX XXXXXXX XXXX XXXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21211 Cold Spring Lane, Diamond Bar, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026-2027
Base tax
$12,680
Current property tax
$13,409
Tax per sq. ft.
$10
Recent tax assessments
Market value
$1,082,743
Land value
$757,920
Building value
$324,823

More about Los Angeles County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $917,796 1.1711 $10,748 +62.57%
2024-2025 $572,466 1.1549 $6,611 -17.56%
2023-2024 $698,310 1.1485 $8,020 -0.87%
2022-2023 $705,079 1.1474 $8,090 +4.79%
2021-2022 $671,196 1.1502 $7,720 +26.06%
2020-2021 $533,921 1.147016 $6,124 +4.07%
2019-2020 $513,190 1.146694 $5,885 +3.17%
2018-2019 $503,128 1.1337 $5,704 +5.02%
2017-2018 $493,264 1.1011 $5,431 +2.71%
2016-2017 $483,593 1.0935 $5,288 -0.69%

Special assessments & penalties for 21211 Cold Spring Lane, Diamond Bar, CA

Code Description Tax levied
00747 Consolidated Fire Protection District Of La County- Measure E
06221 County Sanitation District #21
14651 Diamond Bar District #38
02824 Diamond Bar Lighting District
06181 Greater L.A. County Vector Control District
03694 La County Regional Park And Open Space District
00744 Los Angeles County Fire Department
03071 Los Angeles County Flood Control
04000 Los Angeles County Sewer Maintenance
00170 Los Angeles County Trauma/Emerg Srvs
33011 Mwd Water Standby Charge #2
00177 Safe Clean Water Program Funding Measure W
36551 Three Valleys Mwd Standby Charge
37092 Walnut Valley Water Standby
Permits

Permit information for 21211 Cold Spring Lane, Diamond Bar, CA

No recently recorded permits for this property.

More about Los Angeles County property records

Neighborhood

Diamond Bar residential market stats

Access a detailed real estate market overview of Diamond Bar so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Diamond Bar and compare it to other neighborhoods in Los Angeles.

Median sale price

$1,012,500

10.3% Y-o-Y

Median price/sq. ft.

$566

0.4% Y-o-Y

Los Angeles county median sale price

$870,000

-0.6% Y-o-Y

Check out recently sold homes in Diamond Bar and see how their prices compare.

Risk

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FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map
Crime incidents map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 21211 Cold Spring Lane, Diamond Bar, CA 91765 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Castle Rock Elementary School 7 Public K-5 646 0.19
Montessori School Of Diamond Bar NR Private PK-K 28 0.47
Montessori School Of Diamond Bar NR Private PK-K 28 0.47
Evergreen Elementary School 9 Public K-5 719 0.54
Dbc Children's Center NR Private PK-K 48 0.86
Dbc Children's Center NR Private PK-K 48 0.86
Tzu Chi Elementary School - Walnut NR Private K-5 53 1.60
Maple Hill Elementary School 9 Public K-5 562 1.78
Walnut Valley Adult NR Public 0 1.85
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
South Pointe Middle School 8 Public 6-8 879 1.19
Institute Of Knowledge NR Private K-8 127 1.66
Institute of Knowledge NR Private K-10 265 1.71
International Cross Academy NR Private 1-12 0 1.81
Walnut Valley Adult NR Public 0 1.85
Elite Open School NR Private 5-12 43 1.89
Wisdom Kids College NR Private K-8 0 2.03
Ybarra Academy For The Arts And Technology 7 Public K-8 596 2.06
Chaparral Middle School 9 Public 6-8 1,133 2.08
Rowland Adult And Community Education NR Public 0 2.61
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Diamond Bar High School 10 Public 9-12 2,557 0.33
Institute of Knowledge NR Private K-10 265 1.71
International Cross Academy NR Private 1-12 0 1.81
Walnut Valley Adult NR Public 0 1.85
Elite Open School NR Private 5-12 43 1.89
Ron Hockwalt Academies (Continuation) School NR Public 9-12 41 2.44
John A. Rowland High School 8 Public 9-12 2,025 2.49
Rowland Adult And Community Education NR Public 0 2.61
Rowland Unified Community Day School NR Public 7-12 31 2.70
Ivy League School NR Private K-11 64 2.75

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 21211 Cold Spring Lane, Diamond Bar, CA

2740 Castle Rock Rd, Diamond Bar 2833 Castle Rock Rd, Diamond Bar 21234 Silver Cloud Dr, Diamond Bar 2818 Castle Rock Rd, Diamond Bar 21205 Cold Spring Ln, Diamond Bar 2844 Castle Rock Rd, Diamond Bar 21225 Cold Spring Ln, Diamond Bar 21245 Cold Spring Ln, Diamond Bar 21253 Cold Spring Ln, Diamond Bar 21217 Cold Spring Ln, Diamond Bar 2838 Castle Rock Rd, Diamond Bar 2810 Castle Rock Rd, Diamond Bar 2802 Castle Rock Rd, Diamond Bar 2830 Castle Rock Rd, Diamond Bar 21259 Cold Spring Ln, Diamond Bar 2824 Castle Rock Rd, Diamond Bar 2746 Castle Rock Rd, Diamond Bar 21231 Cold Spring Ln, Diamond Bar 21239 Cold Spring Ln, Diamond Bar 21240 Silver Cloud Dr, Diamond Bar

Nearby ZIP codes for 21211 Cold Spring Lane, Diamond Bar, CA

91722, Los Angeles County, CA 91723, Los Angeles County, CA 91724, Los Angeles County, CA 91744, Los Angeles County, CA 91748, Los Angeles County, CA 91768, Los Angeles County, CA 91773, Los Angeles County, CA 92821, Orange County, CA 92823, Orange County, CA 92835, Orange County, CA

Frequently asked questions

What is the year built for 21211 Cold Spring Lane, Diamond Bar, CA 91765?

The development at 21211 Cold Spring Lane, Diamond Bar, CA 91765 was built in 1964.

What is the total square footage of 21211 Cold Spring Lane, Diamond Bar, CA 91765?

21211 Cold Spring Lane, Diamond Bar, CA 91765 has a total of 1,288 square feet.

When was 21211 Cold Spring Lane, Diamond Bar, CA 91765 last sold and what was the sale price?

21211 Cold Spring Lane, Diamond Bar, CA 91765 was last sold on 06/03/2025 for $1,041,000.

What is the assessed value of 21211 Cold Spring Lane, Diamond Bar, CA 91765?

21211 Cold Spring Lane, Diamond Bar, CA 91765 is currently assessed at $1,082,743.

What are the property taxes for 21211 Cold Spring Lane, Diamond Bar, CA 91765?

The property taxes for 21211 Cold Spring Lane, Diamond Bar, CA 91765 total $12,680.

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Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

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