21307 Chirping Sparrow RD
Diamond Bar, CA, 91765
$1,350,000
4 Beds
3 Baths
2,302 SqFt
0.25 Acres
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Located in a sought-after Diamond Bar neighborhood, this modern residence offers a unique and highly functional floor plan. The open-concept great room is filled with natural light and connects seamlessly to the kitchen, creating an inviting space for daily life. The well-appointed kitchen features abundant countertop space and stainless steel appliances, providing a practical and spacious area for cooking and gathering.

This home offers exceptional versatility with bedrooms located on both levels. The main floor features a desirable primary suite, a private retreat with an en-suite bathroom, a large, glass-enclosed shower, and direct sliding-door access to the backyard. Two additional bedrooms and a second full bathroom are also conveniently located on the main level, ideal for family, guests, or a home office.

The second level is dedicated to an expansive, loft-style bedroom. This private and oversized room offers a unique retreat and is highly adaptable, whether used as a junior suite, a combination media room and guest quarters, or a quiet study, providing valuable separation from the downstairs rooms.

Some upgrades include a new tile roof (2017), fresh paint outside (2018), a new condenser (2020), a whole-house repipe and retaining wall (2021), and a new water heater (2022). The property also includes a low-maintenance backyard, made easily accessible from the primary bedroom. Its location is exceptional, situated within the acclaimed Walnut Valley Unified School District and zoned for South Pointe Middle School and Diamond Bar High School. Residents are just a short distance from local shopping and dining, with convenient access to the 57 freeway for regional commuting.

Property Details

Price:
$1,350,000
MLS #:
TR25223353
Status:
Active
Beds:
4
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
616diamondbar
Listed Date:
Sep 23, 2025
Finished Sq Ft:
2,302
Lot Size:
10,987 sqft / 0.25 acres (approx)
Year Built:
1980
616 – Diamond Bar616diamondbarWalnut Valley UnifiedPeek-a-boo

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Schools

School District:
Walnut Valley Unified

Interior

Appliances
DW, BIR, _6BS, HOD
Bathrooms
3 Full Bathrooms
Cooling
CA
Heating
CF
Laundry Features
IN

Exterior

Community Features
STM, SL, URB
Parking Spots
2

Financial

Map

Community

Market Summary

Current real estate data for Single Family in Diamond Bar as of Dec 12, 2025
56
Single Family Listed
77
Avg DOM
326
Avg $ / SqFt
$1,093,634
Avg List Price

Property Summary

    21307 Chirping Sparrow RD Diamond Bar CA is a Single Family for sale in Diamond Bar, CA, 91765. It is listed for $1,350,000 and features 4 beds, 3 baths, and has approximately 2,302 square feet of living space, and was originally constructed in 1980. The current price per square foot is $586. The average price per square foot for Single Family listings in Diamond Bar is $326. The average listing price for Single Family in Diamond Bar is $1,093,634.

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21307 Chirping Sparrow RD
Diamond Bar, CA