Los Angeles County  »  3525 Castle Rock Rd

3525 Castle Rock Road, Diamond Bar, CA 91765 Property Information

3525 Castle Rock Road, Diamond Bar, CA 91765 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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3525 Castle Rock Road, Diamond Bar, CA 91765
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Address

Primary address 3525 Castle Rock Road, Diamond Bar
Zip code 91765
County Los Angeles
Municipality Diamond Bar

Sales & Tax Overview for 3525 Castle Rock 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 $1,957

Lot & Building Information for 3525 Castle Rock Road, Diamond Bar

Building sqft 1,521
Building class Single Family Residence with Pool (0101)
Acreage 0.182
Units 1
Year built 1963
Year last altered
Bedrooms 3
Bathrooms 2
Heating/AC Central heating
Pool Yes
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Low Medium Density Residential (RLM)
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 3525 Castle Rock Road, Diamond Bar

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  • • Improvements for 3525 Castle Rock Road, Diamond Bar , including their type, square footage, grade and when they were built.
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About 3525 Castle Rock Road, Diamond Bar

What is the year built & the total sq. ft. for 3525 Castle Rock Road, Diamond Bar, CA 91765?

3525 Castle Rock Road, Diamond Bar, CA 91765 was built in 1963 and has a total of 1,521 square feet.

What is the assessed value of 3525 Castle Rock Road, Diamond Bar, CA 91765 and the property tax paid?

Assessed at $100,203, the tax amount paid for 3525 Castle Rock Road, Diamond Bar, CA 91765 is $1,173.

When was 3525 Castle Rock Road, Diamond Bar, CA 91765 last sold?

3525 Castle Rock Road, Diamond Bar, CA 91765 was last sold in 11/03/2015.

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.
Research 100M+ property records powered by:
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Past Sales & Property History for 3525 Castle Rock Road, Diamond Bar

Create a free account to view the complete sales history for 3525 Castle Rock Road, Diamond Bar, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

Title Documents for 3525 Castle Rock 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
11/03/2015 Trust Transfer Deed
(File correction - Single parcel sale)
08/11/2015 Affidavit Succession Interest
(File correction - Single parcel sale)
09/28/2007 Trust Deed
01/10/2001 Deed
(File correction - Single parcel sale)
06/08/1988 Deed
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R: Recorded date
D: Document date

Property Taxes for 3525 Castle Rock Road, Diamond Bar

Access detailed property tax data for 3525 Castle Rock 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 $1,173
Current property tax $1,957
Market value $100,203
Tax per sqft $1

Special Assessments And Penalties for 3525 Castle Rock 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 3525 Castle Rock Road, Diamond Bar

Here's the assessment & property tax history for 3525 Castle Rock 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 $100,203 1.1711 $1,173 +3.43%
2024-2025 $98,239 1.1549 $1,135 +2.57%
2023-2024 $96,314 1.1485 $1,106 +2.10%
2022-2023 $94,426 1.1474 $1,083 +1.73%
2021-2022 $92,576 1.1502 $1,065 +1.33%

Permits for 3525 Castle Rock Road, Diamond Bar

The complete history of permits filed for 3525 Castle Rock 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 3525 Castle Rock 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 3525 Castle Rock 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 0.39
Montessori School Of Diamond Bar NR Private PK-K 28 0.39
Castle Rock Elementary School 7 Public K-5 646 0.67
Evergreen Elementary School 9 Public K-5 719 1.37
Dbc Children's Center NR Private PK-K 48 1.69

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
South Pointe Middle School 8 Public 6-8 879 1.86
Elite Open School NR Private 5-12 43 2.01
Ybarra Academy For The Arts And Technology 7 Public K-8 596 2.24
International Cross Academy NR Private 1-12 0 2.25
Wisdom Kids College NR Private K-8 0 2.26

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 1.18
Elite Open School NR Private 5-12 43 2.01
International Cross Academy NR Private 1-12 0 2.25
John A. Rowland High School 8 Public 9-12 2,025 2.31
Rowland Adult And Community Education NR Public 0 2.37

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

Neighbors for 3525 Castle Rock Road, Diamond Bar

Here are the neighbors for 3525 Castle Rock Road, Diamond Bar.

Address Square feet Purchase date Purchase price
3449 Castle Rock Rd, Diamond Bar 2,155 11/14/2022
3625 Castle Rock Rd, Diamond Bar 1,488 12/19/2002 $298,002
3637 Castle Rock Rd, Diamond Bar 1,724 09/20/2001
3705 Castle Rock Rd, Diamond Bar 1,700 07/02/2019
3459 Castle Rock Rd, Diamond Bar 1,288 12/15/2023
3511 Castle Rock Rd, Diamond Bar 2,172 11/12/2020
3471 Castle Rock Rd, Diamond Bar 1,288 06/30/2005
3465 Castle Rock Rd, Diamond Bar 1,527 01/11/2023 $761,000
3443 Castle Rock Rd, Diamond Bar 1,724 04/13/2021
3619 Castle Rock Rd, Diamond Bar 1,763 02/28/2008 $450,000
3503 Castle Rock Rd, Diamond Bar 1,577 03/17/2021 $640,000
3603 Castle Rock Rd, Diamond Bar 1,724 09/11/2015
3611 Castle Rock Rd, Diamond Bar 2,084
3517 Castle Rock Rd, Diamond Bar 1,724 04/15/2020 $665,000
3477 Castle Rock Rd, Diamond Bar 1,521 04/04/1990 $191,000
3453 Castle Rock Rd, Diamond Bar 1,521 02/03/2010
3645 Castle Rock Rd, Diamond Bar 1,448 10/08/2019
3531 Castle Rock Rd, Diamond Bar 1,448 07/07/2015 $540,000
3537 Castle Rock Rd, Diamond Bar 1,521 02/12/2019 $580,000
3631 Castle Rock Rd, Diamond Bar 1,724 11/09/2006

Nearby ZIP Codes for 3525 Castle Rock Road, Diamond Bar

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