21509 Running Branch Road
Description
- Listed by: Jenny Wu DRE #01817291 • ReMax 2000 Realty
- Listed by: Kevin Wang DRE #01873617 • ReMax 2000 Realty
Recent comparable sales
Median sold price
$1,400,000
Avg days on market
42
Sale-to-list ratio
92.9%
Diamond Bar, CA
9 comparable properties found
$1,168,000
Sold 11/18/25
- 4
- Bedrooms
- 3
- Bathrooms
- 2,636
- Square Feet
- 0.24
- Acres
$1,200,000
Sold 10/16/24
- 4
- Bedrooms
- 3
- Bathrooms
- 2,489
- Square Feet
- 2.27
- Acres
$1,250,000
Sold 03/25/26
- 4
- Bedrooms
- 3
- Bathrooms
- 2,380
- Square Feet
- 0.22
- Acres
$1,450,000
Sold 08/20/25
- 4
- Bedrooms
- 3
- Bathrooms
- 2,712
- Square Feet
- 0.21
- Acres
$1,680,000
Sold 05/12/26
- 4
- Bedrooms
- 3
- Bathrooms
- 2,697
- Square Feet
- 0.23
- Acres
$1,379,000
Sold 04/15/26
- 4
- Bedrooms
- 3
- Bathrooms
- 2,697
- Square Feet
- 0.17
- Acres
$1,400,000
Sold 01/28/25
- 4
- Bedrooms
- 3
- Bathrooms
- 2,796
- Square Feet
- 0.22
- Acres
$1,590,000
Sold 03/20/25
- 4
- Bedrooms
- 3
- Bathrooms
- 2,712
- Square Feet
- 0.51
- Acres
$1,530,000
Sold 07/18/25
- 4
- Bedrooms
- 3
- Bathrooms
- 2,712
- Square Feet
- 0.34
- Acres
Location
Sold By Redfin Corporation, Anne Ku, DRE #01780804
Payment Calculator
$5,723 per month
30 year fixed, 6.71% Interest
$4,599
$1,124
$0
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1Property Information for 21509 Running Branch Road
- MLS Type: Residential / Single Family Residence
- County: Los Angeles County
- View: Mountain(s), Valley
- Parking Spaces Total: 3
- Private Pool: No
- Cooling Type: Central Air
- Total Units: 1.0
- Building Type: Detached
- Lot Size Source: Assessor
- Living Area: 2695
- Assessor Parcel Number: 8714-010-024
- Property Attached YN: false
- Common Walls: No Common Walls
- Fireplace: Yes
- Pool: No
- Spa: Yes
- View: Yes
- View: Yes
- Association: No
- Association Fee: $.00
- Senior Community: No
- Parcel Number: 8714010024
- Area: Diamond Bar (616)
- High School District: Walnut Valley Unified
- Stories: 2
- Year Built: 1979
- Lot Size: 0.18 AC / 7,836 SF
- Financing: Conventional
- Tax Tract Number: 34160
- Tax Lot: 54
- Assessments YN: Yes
- Assessments: Unknown
- Community Features: Curbs, Sidewalks, Street Lights, Storm Drains
- Number Of Units In Community: 1
- Interior Features: Balcony, High Ceilings
- Room Type: Dressing Area, Entry, Family Room, Jack & Jill, Living Room, Master Bedroom, Master Suite, Walk-In Pantry, Office
- Eating Area: Breakfast Counter / Bar, Breakfast Nook, Dining Room
- Fireplace Features: Family Room
- Fireplace Rooms: Family Room
- Cooling: Central Air
- View Description: Valley
- Pool Features: None
- Pool Description: None
- Spa Features: In Ground
- Lot Features: Back Yard, Front Yard
- Lease Considered: No
- Number Of Units: 1
- Available For Lease: No
- Levels: Two
- Water: District
- Sewer: Unknown
- Water Source: Public
- Garage Spaces: 3
- Parking Garage Spaces: 3
- Carport Spaces: 0
Property History for 21509 Running Branch Road
| Date | Event & Source | Price | Appreciation |
|---|---|---|---|
| Aug 20, 2014 | Sold CLAW #TR14073552MR | $890,000 | — |
| Aug 20, 2014 | Sold CRMLS #TR14073552 | $890,000 | — |
| Jun 9, 2014 | Sold (Public Record) Public Record #432517445 | $890,000 | — |
| May 20, 2014 | Pending CRMLS #TR14073552 | — | |
| May 20, 2014 | Pending CLAW #TR14073552MR | — | |
| May 14, 2014 | Price Change CRMLS #TR14073552 | $899,900 | — |
| May 14, 2014 | Price Change CRMLS #TR14073552 | $900,000 | — |
| May 14, 2014 | Price Change CRMLS #TR14073552 | $899,900 | — |
| May 14, 2014 | Price Change CRMLS #TR14073552 | $899,000 | — |
| May 1, 2014 | Price Change CRMLS #TR14073552 | $948,000 | — |
| Apr 10, 2014 | Listed (Active) CRMLS #TR14073552 | $899,900 | — |
| Apr 10, 2014 | Listed (Active) CLAW #TR14073552MR | $899,900 | — |
| Dec 1, 2006 | Expired CRMLS #H611310 | $788,800 | — |
| Dec 1, 2006 | Expired CLAW #H611310MR | — | |
| Sep 20, 2006 | Expired CLAW #H610952MR | — | |
| Sep 20, 2006 | Expired CRMLS #H608326 | $818,000 | — |
| Sep 20, 2006 | Expired CRMLS #H610952 | $788,800 | — |
| Sep 20, 2006 | Expired CLAW #H608326MR | — | |
| Aug 14, 2006 | Listed (Active) CRMLS #H611310 | $788,800 | — |
| Aug 14, 2006 | Listed (Active) CLAW #H611310MR | $788,800 | — |
| Aug 7, 2006 | Listed (Active) CLAW #H610952MR | $788,800 | — |
| Aug 7, 2006 | Listed (Active) CRMLS #H610952 | $788,800 | — |
| Jun 20, 2006 | Listed (Active) CRMLS #H608326 | $818,000 | — |
| Jun 20, 2006 | Listed (Active) CLAW #H608326MR | $818,000 | — |
| Date | Event & Source | Price |
|---|---|---|
| 08/20/2014 | Sold CLAW #TR14073552MR | $890,000 |
| 08/20/2014 | Sold CRMLS #TR14073552 | $890,000 |
| 06/09/2014 | Sold (Public Record) Public Record #432517445 | $890,000 |
| 05/20/2014 | Pending CRMLS #TR14073552 | — |
| 05/20/2014 | Pending CLAW #TR14073552MR | — |
| 05/14/2014 | Price Change CRMLS #TR14073552 | $899,900 |
| 05/14/2014 | Price Change CRMLS #TR14073552 | $900,000 |
| 05/14/2014 | Price Change CRMLS #TR14073552 | $899,900 |
| 05/14/2014 | Price Change CRMLS #TR14073552 | $899,000 |
| 05/01/2014 | Price Change CRMLS #TR14073552 | $948,000 |
| 04/10/2014 | Listed (Active) CRMLS #TR14073552 | $899,900 |
| 04/10/2014 | Listed (Active) CLAW #TR14073552MR | $899,900 |
| 12/01/2006 | Expired CRMLS #H611310 | $788,800 |
| 12/01/2006 | Expired CLAW #H611310MR | — |
| 09/20/2006 | Expired CLAW #H610952MR | — |
| 09/20/2006 | Expired CRMLS #H608326 | $818,000 |
| 09/20/2006 | Expired CRMLS #H610952 | $788,800 |
| 09/20/2006 | Expired CLAW #H608326MR | — |
| 08/14/2006 | Listed (Active) CRMLS #H611310 | $788,800 |
| 08/14/2006 | Listed (Active) CLAW #H611310MR | $788,800 |
| 08/07/2006 | Listed (Active) CLAW #H610952MR | $788,800 |
| 08/07/2006 | Listed (Active) CRMLS #H610952 | $788,800 |
| 06/20/2006 | Listed (Active) CRMLS #H608326 | $818,000 |
| 06/20/2006 | Listed (Active) CLAW #H608326MR | $818,000 |
For completeness, we often displays two records for one sale: the MLS record and the public record.
Public Records for 21509 Running Branch Road
Schools near 21509 Running Branch Road
Rating | School | Type | Grades | Distance |
|---|---|---|---|---|
| Public - | K to 5 | |||
| Public - | 6 to 8 | |||
| Public - | 9 to 12 | |||
| Public - | 9 to 12 |
Rating | School | Distance |
|---|---|---|
Castle Rock Elementary School PublicK to 5 | ||
South Pointe Middle School Public6 to 8 | ||
Diamond Bar High School Public9 to 12 | ||
Ron Hockwalt Academies (Continuation) School Public9 to 12 |
School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.
Similar Homes
New listings in 91765
$599,000
- 3
- Bedrooms
- 1
- Bathrooms
- 1,000
- Square Feet
Nearby home values
| Address | Sold price | Beds | Baths | Sqft | Lot (Sqft) |
|---|---|---|---|---|---|
This home: 21509 Running Branch Road, Diamond Bar, CA 91765 | $890,000 | 4 | 3 | 2,695 | 7,836 |
$600,000 | 4 | 3 | 2,798 | 8,633 | |
– | 3 | 2 | 1,752 | 8,190 | |
– | 3 | 3 | 2,796 | 10,312 | |
– | 4 | 3 | 2,712 | 11,148 | |
$592,500 | 4 | 3 | 2,695 | 10,850 | |
$640,000 | 4 | 3 | 2,697 | 7,662 | |
$1,328,000 | 4 | 2 | 2,037 | 12,384 | |
$437,000 | 4 | 3 | 2,380 | 12,852 | |
$1,550,000 | 4 | 3 | 2,712 | 9,906 | |
$465,000 | 4 | 3 | 2,695 | 16,086 | |
$768,000 | 4 | 2 | 2,037 | 10,439 | |
$258,000 | 3 | 3 | 2,796 | 8,970 | |
$1,180,000 | 3 | 2 | 1,752 | 17,117 | |
– | 4 | 3 | 2,697 | 10,542 | |
$868,000 | 4 | 2 | 2,037 | 16,023 |
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Listing Courtesy of ReMax 2000 Realty, Jenny Wu, DRE #01817291; ReMax 2000 Realty, Kevin Wang, DRE #01873617
Based on information from one of the following Multiple Listing Services: CRMLS, CLAW, I-Tech, ROWMLS, GPSMLS, SDMLS, VCRDS/PFAR, Idyllwild Association of Realtors, Ojai Valley Board of REALTORS and/or AVMLS. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by CRMLS, CLAW, I-Tech, ROWMLS, GPSMLS, SDMLS, VCRDS/PFAR, Idyllwild Association of Realtors, Ojai Valley Board of REALTORS and/or AVMLS is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.