Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$995,000

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 2 Full Baths
  • 1,521 Sq. Ft.
  • 2 Car Garage
  • Updated 3 hours ago
See This Home
Save This Home
See This Home
Save This Home
This family home is located in the beautiful area of Diamond Bar, quiet neighborhood with many close retail shopping amenities, Dining and professional services, it is also located within the Walnut Valley Unified School District of award winning schools. This family home is a one story four bedroom two bath home, with flooring upgrades, dual pane windows, kitchen upgrades and many more. This home is also equipped with a private inground swimming pool.

Full Property Details for 3525 Castle Rock

General

  • Price: $995,000
  • Status: Active
  • Type: Single Family
  • Source: MRMLS
  • MLS ID: IG26163055
  • Updated: 9/17/2026
  • Days on Market: 52 days
  • Added to Site: 52 day(s) ago

Interior

  • Rooms/Areas: All Bedrooms Down
  • Interior Features: Granite Counters
  • Fireplace: Yes
  • Fireplace(s): Living Room
  • Appliances: Water Heater, Gas Oven

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2

Bedrooms

  • Total Bedrooms: 4

Other Rooms

  • Laundry: Gas & Electric Dryer Hookup

Additional Information

  • Pool: Yes
  • Pool Description: In-Ground, Private

Parking

  • Garage: Yes
  • Garage Spaces: 2
  • Parking: Garage

Location

  • County: Los Angeles
  • Driving Directions: From the 57 Freeway exit South Diamond Bar Blvd to South Brea Canyon Rd., left on Cooper Canyon Dr., Right to 3525 Castle Rock Rd.

School Information

  • School District: Walnut Valley Unified

Community

  • Community Features: Biking, Hiking, Park

Heating & Cooling

  • Cooling Type: Central Air
  • Heating Type: Central

Utilities

  • Sewer: Public Sewer
  • Water: Public

Structural Information

  • Structure Type: Single Family Residence
  • Common Walls: No Common Walls
  • Entry Location: Front
  • Stories/Levels: One
  • Stories Description: One
  • Square Feet: 1,521
  • Sq. Ft. Source: Assessor
  • Year Built: 1963
  • Year Built Source: Assessor

Lot Features

  • Property View: Hills
  • Lot Size (Acres): 0.1825
  • Lot Size (Sq. Ft.): 7,949
  • Lot Size Source: Assessor
  • Lot Description: 0-1 Unit/Acre

Financial Considerations

  • Price Per Sq. Ft.: $654.17

Disclosures and Reports

  • Special Conditions: Standard

Listed by Economic Realty Group, Inc., Carl Winton III

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

Listing agent

— 3525 Castle Rock —

  • Carl Winton III

    Economic Realty Group, Inc.

951-403-1942

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 3525 Castle Rock

School District:Walnut Valley Unified School District
NameGradesDistance
Castle Rock Elementary School, Diamond Bar, CA
2975 Castlerock Road, Diamond Bar, CA 91765
K-50.7 mi
South Pointe Middle School
20671 Larkstone Drive, Walnut, CA 91789
6-81.9 mi
Diamond Bar High School
21400 Pathfinder Road, Diamond Bar, CA 91765
9-121.2 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 3525 Castle Rock Get Price Alerts and Save Property

Date
Details
Price
Change
Source
8/18/2026
Price Reduced
$995,000
-14%
MLS
7/27/2026
Listed
$1,157,000
—
MLS
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 3525 Castle Rock

Year
Property Taxes
Change
Tax Assessment
Change
2025
$2,025
—
$100,203
2%
2025
$2,025
21%
$98,239
4%
2023
$1,675
2%
$94,426
2%
2022
$1,638
2%
$92,576
2%
2021
$1,600
1%
$90,762
1%
2020
$1,582
2%
$89,832
2%
2019
$1,555
11%
$88,072
2%
2018
$1,404
4%
$86,346
2%
2017
$1,350
4%
$84,654
2%
2016
$1,298
—
$82,996
2%
2015
$1,301
-1%
$81,751
2%
2014
$1,308
1%
$80,150
—
2013
$1,289
—
$79,788
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 3525 Castle Rock

$
Down Payment
%
$
%

$
$

*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by Economic Realty Group, Inc., Carl Winton III

Similar Properties near 3525 Castle Rock

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

21624 Birch Hill, Diamond Bar, CA 91765 - Photo 1 Price Reduced
-$60,000 (-5.67%)
$998,000

21624 Birch Hill  Diamond Bar, CA 91765

  • Single Family
  • Active
  • Updated 3 days ago
  • 4
    Beds
  • 2
    Total Baths
  • 1,288
    Sq. Ft.
227 N Pintado Dr, Diamond Bar, CA 91765 - Photo 1
$949,979
Open House

227 N Pintado Dr  Diamond Bar, CA 91765

  • Single Family
  • Active
  • Updated 1 day ago
  • 4
    Beds
  • 2
    Total Baths
  • 1,465
    Sq. Ft.
15506 Rolling Ridge Dr, Chino Hills, CA 91709 - Photo 1 Price Reduced
-$40,000 (-3.86%)
$996,000
Open House

15506 Rolling Ridge Dr  Chino Hills, CA 91709

  • Single Family
  • Active
  • Updated 2 hours ago
  • 4
    Beds
  • 2
    Total Baths
  • 2,022
    Sq. Ft.
23846 Bower Cascade Pl, Diamond Bar, CA 91765 - Photo 1 Just Listed
$998,000
Open House

23846 Bower Cascade Pl  Diamond Bar, CA 91765

  • Single Family
  • Active
  • Updated 26 minutes ago
  • 4
    Beds
  • 2
    Total Baths
  • 1,503
    Sq. Ft.

Just Listed near 3525 Castle Rock

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

12 Franciscan Pl, Phillips Ranch, CA 91766 - Photo 1 Just Listed
$1,199,800

12 Franciscan Pl  Phillips Ranch, CA 91766

  • Single Family
  • Active
  • Updated 2 hours ago
  • 4
    Beds
  • 4
    Total Baths
  • 2,706
    Sq. Ft.
925 Heaton Moor Dr, Walnut, CA 91789 - Photo 1 Just Listed
$998,888
Open House

925 Heaton Moor Dr  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 11 hours ago
  • 3
    Beds
  • 2
    Total Baths
  • 1,585
    Sq. Ft.
Listed by Ian Villalba (CalRE#: 01849506) (626) 367-4851
0 Brea Canyon Cut-Off, Walnut, CA 91789 - Photo 1 Just Listed
$650,000

0 Brea Canyon Cut-Off  Walnut, CA 91789

  • Lots/Land
  • Active
  • Updated 22 hours ago
  • 0.3995
    Acres
19061 Gold, Walnut, CA 91789 - Photo 1 Just Listed
$1,000,000
Open House

19061 Gold  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 1 day ago
  • 4
    Beds
  • 3
    Total Baths
  • 1,880
    Sq. Ft.

Price Reduced near 3525 Castle Rock

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

20149 Stanford Ct, Walnut, CA 91789 - Photo 1 Price Reduced
-$100,000 (-4.35%)
$2,200,000
Open House

20149 Stanford Ct  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 1 day ago
  • 7
    Beds
  • 5
    Total Baths
  • 4,386
    Sq. Ft.
677 Castlehill, Walnut, CA 91789 - Photo 1 Price Reduced
-$99,000 (-6.19%)
$1,500,000 -
$1,699,000

677 Castlehill  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 10 hours ago
  • 4
    Beds
  • 5
    Total Baths
  • 2,900
    Sq. Ft.
19731 Avenida Deleitante, Walnut, CA 91789 - Photo 1 Price Reduced
-$39,000 (-2.23%)
$1,710,000
Open House

19731 Avenida Deleitante  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 3 days ago
  • 7
    Beds
  • 9
    Total Baths
  • 4,025
    Sq. Ft.
330 Amberwood Dr, Walnut, CA 91789 - Photo 1 Price Reduced
-$100,000 (-6.9%)
$1,350,000

330 Amberwood Dr  Walnut, CA 91789

  • Single Family
  • Active
  • Updated 4 days ago
  • 5
    Beds
  • 3
    Total Baths
  • 2,919
    Sq. Ft.

Recent Sales near 3525 Castle Rock

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

3157 Marigold, Diamond Bar, CA 91765 - Photo 1 Sold
$1,080,000

3157 Marigold  Diamond Bar, CA 91765

  • Condo
  • Closed
  • 3
    Beds
  • 4
    Total Baths
  • 1,850
    Sq. Ft.
20814 E Boulder, Walnut, CA 91789 - Photo 1 Sold
$1,100,000

20814 E Boulder  Walnut, CA 91789

  • Single Family
  • Closed
  • 3
    Beds
  • 3
    Total Baths
  • 1,546
    Sq. Ft.
21245 Cold Spring, Diamond Bar, CA 91765 - Photo 1 Sold
$875,000

21245 Cold Spring  Diamond Bar, CA 91765

  • Single Family
  • Closed
  • 3
    Beds
  • 2
    Total Baths
  • 1,300
    Sq. Ft.
2606 Castle Rock Rd, Diamond Bar, CA 91765 - Photo 1 Sold
$975,000

2606 Castle Rock Rd  Diamond Bar, CA 91765

  • Single Family
  • Closed
  • 3
    Beds
  • 2
    Total Baths
  • 1,300
    Sq. Ft.

3525 Castle Rock, Diamond Bar, CA 91765 (MLS# IG26163055) is a Single Family property with 4 bedrooms and 2 full bathrooms. 3525 Castle Rock is currently listed for $995,000 and was received on July 27, 2026. Want to learn more about 3525 Castle Rock? Do you have questions about finding other Single Family real estate for sale in Diamond Bar? You can browse all Diamond Bar real estate or contact a Coldwell Banker agent to request more information.

Tour this property