Los Angeles County  »  21545 Chirping Sparrow Rd

21545 Chirping Sparrow Road, Diamond Bar, CA 91765 Property Information

21545 Chirping Sparrow Road, Diamond Bar, CA 91765 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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21545 Chirping Sparrow Road, Diamond Bar, CA 91765
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Address

Primary address 21545 Chirping Sparrow Road, Diamond Bar
Zip code 91765
County Los Angeles
Municipality Diamond Bar

Sales & Tax Overview for 21545 Chirping Sparrow Road, Diamond Bar

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Current property tax $5,233

Lot & Building Information for 21545 Chirping Sparrow Road, Diamond Bar

Building sqft 2,380
Building class Single Family Residence with Pool (0101)
Acreage 0.189
Units 1
Year built 1980
Year last altered
Bedrooms 3
Bathrooms 3
Heating/AC Central refrigeration & heating
Pool Yes
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Low Density Residential (RL)
Weed hazard No
School district Walnut Valley Unified School District

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 21545 Chirping Sparrow Road, Diamond Bar

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  • • Improvements for 21545 Chirping Sparrow Road, Diamond Bar , including their type, square footage, grade and when they were built.
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About 21545 Chirping Sparrow Road, Diamond Bar

What is the year built & the total sq. ft. for 21545 Chirping Sparrow Road, Diamond Bar, CA 91765?

21545 Chirping Sparrow Road, Diamond Bar, CA 91765 was built in 1980 and has a total of 2,380 square feet.

What is the assessed value of 21545 Chirping Sparrow Road, Diamond Bar, CA 91765 and the property tax paid?

Assessed at $374,243, the tax amount paid for 21545 Chirping Sparrow Road, Diamond Bar, CA 91765 is $4,382.

When was 21545 Chirping Sparrow Road, Diamond Bar, CA 91765 last sold?

21545 Chirping Sparrow Road, Diamond Bar, CA 91765 was last sold in 05/25/2022.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
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Past Sales & Property History for 21545 Chirping Sparrow Road, Diamond Bar

Create a free account to view the complete sales history for 21545 Chirping Sparrow Road, Diamond Bar, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

Title Documents for 21545 Chirping Sparrow Road, Diamond Bar

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
05/25/2022 Grant Deed
(File correction - Single parcel sale)
11/12/2015 Court Action
(File correction - Single parcel sale)
06/02/2015 Trust Deed
07/11/2012 Trust Deed 07/01/2042
01/08/2009 Deed
(File correction - Single parcel sale)
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R: Recorded date
D: Document date

Property Taxes for 21545 Chirping Sparrow Road, Diamond Bar

Access detailed property tax data for 21545 Chirping Sparrow Road, Diamond Bar, CA 91765. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Base tax $4,383
Current property tax $5,233
Market value $374,243
Tax per sqft $2

Special Assessments And Penalties for 21545 Chirping Sparrow Road, Diamond Bar

Special Assessments

Abatements, financial assistance programs and non-ad valorem taxes levied as special taxes/direct assessments are applicable for this property.

Code Description Tax levied
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

Assessment History for 21545 Chirping Sparrow Road, Diamond Bar

Here's the assessment & property tax history for 21545 Chirping Sparrow Road, Diamond Bar, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $374,243 1.1711 $4,383 +3.43%
2024-2025 $366,906 1.1549 $4,237 +2.57%
2023-2024 $359,713 1.1485 $4,131 +2.10%
2022-2023 $352,660 1.1474 $4,046 +1.75%
2021-2022 $345,746 1.1502 $3,977 +1.32%

Permits for 21545 Chirping Sparrow Road, Diamond Bar

The complete history of permits filed for 21545 Chirping Sparrow Road, Diamond Bar, including new construction or demolition permits, complaints, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Diamond Bar residential market stats

Median Sale Price
$949,500
-3.1% YoY
Median Price/Sqft
$553
0.5% YoY
Los Angeles County Median Sale Price
$872,000
0.2% YoY

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 County.

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

Risk

Create a free account to unlock extended information for 21545 Chirping Sparrow Road, Diamond Bar, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 21545 Chirping Sparrow Road, Diamond Bar to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Montessori School Of Diamond Bar NR Private PK-K 28 0.58
Montessori School Of Diamond Bar NR Private PK-K 28 0.58
Castle Rock Elementary School 7 Public K-5 646 0.64
Evergreen Elementary School 9 Public K-5 719 1.09
Dbc Children's Center NR Private PK-K 48 1.38

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
South Pointe Middle School 8 Public 6-8 879 1.96
Institute Of Knowledge NR Private K-8 127 2.41
Institute of Knowledge NR Private K-10 265 2.45
Elite Open School NR Private 5-12 43 2.46
International Cross Academy NR Private 1-12 0 2.53

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Diamond Bar High School 10 Public 9-12 2,557 1.08
Institute of Knowledge NR Private K-10 265 2.45
Elite Open School NR Private 5-12 43 2.46
International Cross Academy NR Private 1-12 0 2.53
Walnut Valley Adult NR Public 0 2.62

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 21545 Chirping Sparrow Road, Diamond Bar

Here are the neighbors for 21545 Chirping Sparrow Road, Diamond Bar.

Address Square feet Purchase date Purchase price
21445 Chirping Sparrow Rd, Diamond Bar 2,037 12/30/2013
21415 Chirping Sparrow Rd, Diamond Bar 2,697 03/29/2022
21505 Chirping Sparrow Rd, Diamond Bar 2,630 05/25/2006
21514 Running Branch Rd, Diamond Bar 2,380 02/13/2003 $437,004
21525 Chirping Sparrow Rd, Diamond Bar 2,798 06/15/2023
21455 Chirping Sparrow Rd, Diamond Bar 3,159 03/11/2025
21435 Chirping Sparrow Rd, Diamond Bar 2,697 11/13/2020 $940,000
21555 Chirping Sparrow Rd, Diamond Bar 2,697 07/28/2021 $1,122,000
21566 Running Branch Rd, Diamond Bar 2,037 07/12/2021
21466 Running Branch Rd, Diamond Bar 2,037 05/09/2016 $868,000
21425 Chirping Sparrow Rd, Diamond Bar 3,030 12/29/2010 $688,006
21565 Chirping Sparrow Rd, Diamond Bar 1,752 04/25/2023
21535 Chirping Sparrow Rd, Diamond Bar 2,697 05/19/2025 $1,232,000
21598 Running Branch Rd, Diamond Bar 1,752 03/20/2009 $534,005
21530 Running Branch Rd, Diamond Bar 2,037 08/02/2016 $768,000
21484 Running Branch Rd, Diamond Bar 2,695 06/04/2002 $465,004
21548 Running Branch Rd, Diamond Bar 2,697 05/19/2015
21515 Chirping Sparrow Rd, Diamond Bar 2,697 09/24/2019
21471 Chirping Sparrow Rd, Diamond Bar 2,037 07/03/2013
21584 Running Branch Rd, Diamond Bar 2,697 09/23/2011 $690,000

Nearby ZIP Codes for 21545 Chirping Sparrow Road, Diamond Bar

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