**VIEW HOME** Wonderful 5-bedroom, 3-bath home located on a quiet cul-de-sac in the highly desirable Walnut Valley Unified School District. Conveniently situated near Ronald Reagan Park with easy access to the California State Route 57 and California State Route 60. Double-door entry opens to a bright foyer with formal living and dining rooms featuring vaulted ceilings and large windows. Family room with fireplace opens to kitchen and dining area. Remodeled kitchen includes updated countertops, a Blanco sink, soft-close cabinetry, a GE Café gas range/oven and microwave, and a newer Whirlpool dishwasher. Large garden window overlooks the backyard. The main floor includes one bedroom, one full bath, and an indoor laundry room. Upstairs features a primary suite with views of the San Gabriel Mountains, plus three additional bedrooms and two bathrooms. The primary bathroom has been remodeled with a walk-in shower and linen storage. Upgrades include Solar panels (Sunrun), PEX repiping, newer windows, updated flooring, a newer HVAC system, a soft water system, and a reverse osmosis. Spacious backyard with covered patio, gazebo, planters, and mountain views—ideal for entertaining. 2-car attached garage with potential for additional workspace or office conversion.
Close to schools, shopping, and dining.
Sold for $1,350,000
Listed by: CASA BLANCA PROPERTIES • Francisco Codling • Contact: 909-803-0550
Bought with: CASA BLANCA PROPERTIES
$1,350,000
21009 Quail Run Dr, Diamond Bar, CA 91789
5beds
2,186sqft
Single Family Residence
Built in 1986
7,495 Square Feet Lot
$1,351,100 Zestimate®
$618/sqft
$4,773 Estimated rent
Home value
$1,351,100
$1.23M - $1.49M
$4,773/mo
Zestimate® history
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List your homeWhat's special
Mountain viewsQuiet cul-de-sacLarge windowsBlanco sinkFamily room with fireplaceUpdated countertopsNewer whirlpool dishwasher
Zillow last checked:
Listing updated:
Listed by:
Francisco Codling DRE #01224797 909-239-6273,
CASA BLANCA PROPERTIES
Bought with:
Patricia Meza, DRE #01788720
CASA BLANCA PROPERTIES
Source: CRMLS,MLS#: CV26078831
Originating MLS: California Regional MLS
Originating MLS: California Regional MLSFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 3
- Full bathrooms: 3
- Main level bathrooms: 1
- Main level bedrooms: 1
Rooms
- Room types: Bedroom
Bedroom
- Features: Bedroom on Main Level
Heating
- Central
Cooling
- Central Air
Appliances
- Laundry: Inside
Features
- High Ceilings, Bedroom on Main Level
- Has fireplace: Yes
- Fireplace features: Family Room
- Common walls with other units/homes: No Common Walls
Interior area
- Total interior livable area: 2,186 sqft
Property
Parking
- Total spaces: 2
- Parking features: Garage - Attached
- Attached garage spaces: 2
Features
- Levels: Two
- Stories: 2
- Entry location: 1
- Pool features: None
- Has view: Yes
- View description: Mountain(s), Valley
Lot
- Size: 7,495 Square Feet
- Features: 0-1 Unit/Acre, Cul-De-Sac, Front Yard, Near Park
Details
- Parcel number: 8765017010
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Condition
- New construction: No
- Year built: 1986
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Green energy
- Energy generation: Solar
Community & HOA
Community
- Features: Park
HOA
- Has HOA: Yes
- Amenities included: Management
- HOA fee: $108 semi-annually
- HOA name: Oakridge
- HOA phone: 714-634-0611
Location
- Region: Diamond Bar
Financial & listing details
- Price per square foot: $618/sqft
- Tax assessed value: $627,751
- Annual tax amount: $8,753
- Date on market: 4/12/2026
- Cumulative days on market: 5 days
- Listing terms: Cash,Conventional,Fannie Mae,Freddie Mac
Price history
| Date | Event | Price |
|---|---|---|
| 5/27/2026 | Sold | $1,350,000+1.9%$618/sqft |
Source:  CRMLS #CV26078831 Report a problem | ||
| 4/28/2026 | Pending sale | $1,325,000$606/sqft |
Source: CRMLS #CV26078831 Report a problem | ||
| 4/27/2026 | Listed for sale | $1,325,000$606/sqft |
Source: CRMLS #CV26078831 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $8,753 +5.4% | $627,751 +2% |
| 2024 | $8,302 +2.5% | $615,443 +2% |
| 2023 | $8,102 +2.2% | $603,376 +2% |
| 2022 | $7,928 +2% | $591,546 +2% |
| 2021 | $7,771 +5.4% | $579,948 +1% |
| 2020 | $7,374 | $574,003 +2% |
| 2019 | $7,374 +6.2% | $562,749 +2% |
| 2018 | $6,944 | $551,716 +2% |
| 2017 | $6,944 +4.6% | $540,899 +2% |
| 2016 | $6,637 +3% | $530,294 +1.5% |
| 2015 | $6,444 -0.7% | $522,329 +2% |
| 2014 | $6,486 | $512,098 +2.5% |
| 2012 | -- | $499,789 +2% |
| 2011 | -- | $489,990 +3.7% |
| 2010 | -- | $472,473 -0.2% |
| 2009 | -- | $473,596 +2% |
| 2008 | -- | $464,311 +2% |
| 2007 | -- | $455,208 +2% |
| 2006 | -- | $446,283 |
| 2005 | -- | $446,283 +4% |
| 2004 | -- | $428,955 +1.9% |
| 2003 | -- | $421,094 +8.8% |
| 2002 | -- | $387,000 +29.6% |
| 2000 | -- | $298,700 |
Find assessor info on the county website
Neighborhood: 91789
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Nearby schools
GreatSchools rating
- 10/10Castle Rock Elementary SchoolGrades: K-5Distance: 0.7 mi
- 10/10South Pointe Middle SchoolGrades: 6-8Distance: 0.6 mi
- 10/10Diamond Bar High SchoolGrades: 9-12Distance: 0.4 mi
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Estimated market value
$1,351,100
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Estimated market value
$1,351,100
- California
- Los Angeles County
- Diamond Bar
- 91789
- 21009 Quail Run Dr
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