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3603 Castle Rock Rd, Diamond Bar, CA 91765, USA|Diamond Bar
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Amenities for 3603 Castle Rock Rd, Diamond Bar
Apartment Amenities
| 2 Floors | Carpet |
| Central Air | Furnished |
| Hardwood Floor | Natural Gas |
| Walk-in Closet |
Building
| Exterior Type: Frame | Onsite Laundry |
| Roof Type: Composition | Roof Type: Shingle |
Grounds
| 2 Parking Spaces | Garage Parking |
| Outdoor Space |
Other
| Exterior Type: Stucco | View Type: None |
Units, floor plans, amenities, dimensions, details, availability, and prices may be approximate and subject to change. Please contact a community representative for more information.
Policies and fees
Applicants
Applicants
One-time.
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REQUIRED FEES
Security Deposit
One-time. Refundable.
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About 3603 Castle Rock Rd
Sweet deal!
This listing is 20% below the median price for 4 bedroom apartments in Diamond Bar.
Property Status: Active A Beautiful 4 bedroom 2 bath home in S. Diamond Bar is ready to lease! Located in "The Suburban Homes" subdivison on the very south end of Diamond Bar. Just minutes down the 57 freeway to Orange County! 2 main floor bedrooms with hardwood floors and a 3/4 bathroom are downstairs and 2 bedrooms upstairs and a full bath are upstairs. The master suite upstairs shares the bathroom with a hallway door that is used by the additional upstairs bedroom. Hardwood flooring in all bedrooms along with walk in closets. New vinyl laminate wood look flooring in the kitchen and recessed lighting. Built in appliances: microwave, gas cooktop, oven. Nook in the kitchen plus a formal dining room. Spacious yard with a concrete patio and lush lawn. No neighbors directly behind you. 2 car attached garage with laundry hookups. Upgraded main electric panel, newer roof, and dual pane windows. Central air and heat. Award winning schools, Walnut school district! One of the best districts in the state! Diamond Bar's motto is "Country Living". A great place to call home. Office Phone: (909) 861-9835 Copyright © 2026 California Regional Multiple Listing Service, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Property highlights
We compared every listing in the surrounding area to determine which amenities are most common. If a building lacks an amenity that most others in the area have, it is a con. If a building has an amenity most others in the area do not, it is a pro. Similarly, price, schools, and size are calculated relative to the size, price, and distance to schools of the other properties nearby.How 3603 Castle Rock Rd compares to other nearby properties.
Positives
- Covered parking
- Garage, covered, or indoor parking is available at this address
- Images available
- There are at least 10 photos of this address
- Laundry available on site
- Washers and dryers are available in-building or in-unit
- Walk-in closet
- Rentals here may include more closet space than average
Considerations
- No in-unit dishwasher
- Dishwashers aren't available
- Pet restrictions
- Pets aren't allowed at this location.
Address details
| Neighborhood | Diamond Bar |
|---|---|
| Zip code | 91765 |
| Type | House for rent |
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Rent trends in Diamond Bar
4-bedroom apartments at 3603 Castle Rock Rd cost about 20% less than the average rent price for 4-bedroom apartments in Diamond Bar.
Median rents as of Feb 7 2026.
Diamond Bar
Diamond Bar
| Month | Median Rent |
|---|---|
| February 2024 | $3,899 |
| March 2024 | $3,939 |
| April 2024 | $4,050 |
| May 2024 | $4,397 |
| June 2024 | $4,200 |
| July 2024 | $4,318 |
| August 2024 | $4,415 |
| September 2024 | $4,537 |
| October 2024 | $4,575 |
| November 2024 | $4,805 |
| December 2024 | $5,025 |
| January 2025 | $5,000 |
| February 2025 | $5,225 |
| March 2025 | $5,156 |
| April 2025 | $4,578 |
| May 2025 | $4,310 |
| June 2025 | $4,437 |
| July 2025 | $4,510 |
| August 2025 | $4,618 |
| September 2025 | $4,720 |
| October 2025 | $4,614 |
| November 2025 | $4,360 |
| December 2025 | $4,349 |
| January 2026 | $4,557 |
| February 2026 | $4,525 |
| Month | Median Rent |
|---|---|
| February 2024 | $3,899 |
| March 2024 | $3,939 |
| April 2024 | $4,050 |
| May 2024 | $4,397 |
| June 2024 | $4,200 |
| July 2024 | $4,318 |
| August 2024 | $4,415 |
| September 2024 | $4,537 |
| October 2024 | $4,575 |
| November 2024 | $4,805 |
| December 2024 | $5,025 |
| January 2025 | $5,000 |
| February 2025 | $5,225 |
| March 2025 | $5,156 |
| April 2025 | $4,578 |
| May 2025 | $4,310 |
| June 2025 | $4,437 |
| July 2025 | $4,510 |
| August 2025 | $4,618 |
| September 2025 | $4,720 |
| October 2025 | $4,614 |
| November 2025 | $4,360 |
| December 2025 | $4,349 |
| January 2026 | $4,557 |
| February 2026 | $4,525 |
Affordability calculator
Can I afford to live at 3603 Castle Rock Rd?
Bedrooms
4+ bedroomsRent-to-income ratio
30%
Slide to adjust the percentage of your monthly income you are willing to spend on rent.
The general rule of thumb is to spend around 30% or less of your income on rent.
Recommended income
$144,000/yr
With your selected rent-to-income ratio, you'd ideally want to make $144,000 annually to afford this 4-bedrooms monthly rent price of $3,600.
For more information on rent affordability, visit our rent calculator.
Schools near 3603 Castle Rock Rd
Castle Rock Elementary School
2975 castle rock rd
diamond bar, CA, 91765
K-5Public
A
Bousd Online Academy
1 civic center cir
brea, CA, 92822
K-6Public
A
Rowland Virtual Learning Academy
341 s la seda rd
la puente, CA, 91744
K-12Public
Covina-Valley Learning Options Academy
758 w grondahl st
covina, CA, 91722
K-12Public
Anaheim Elementary Online Academy
2000 w ball rd
anaheim, CA, 92804
K-6Public
B-
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Internet available near 3603 Castle Rock Rd
Getting around Diamond Bar near 3603 Castle Rock Rd
Walking
3/10
Fewer daily needs are within walking distance (unless you’re up for a challenge).
Driving
10/10
Commuting is easy with multiple accessible routes and plenty of parking.
Transit
2/10
FYI, there are little to no public transit options within walking distance.
Points of interest for 3603 Castle Rock Rd, Diamond Bar
Groceries
3/10
No grocery stores within walking distance
Shopping
2/10
Few or no shops within walking distance
Cafes
2/10
Few or no cafés within walking distance
Restaurants
4/10
Some restaurants within walking distance
Primary schools
8/10
At least one elementary school within a 20-minute walk
High schools
1/10
No high schools within a 30-minute walk
Parks
3/10
Minimal park space nearby
Nightlife
0/10
Few or no bars within walking distance
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