Price Reduced57
$2,250,000
5 bd · 5 ba · 3,312 sqft
21086 Willow Heights, Diamond Bar, CA
TopSky Realty Inc · on 3 MLSs
Est. $12,178/mo$540/sqft · 44 days on Realty
4
Beds
3
Baths
3,406
Sqft
1979
Built
Entry-Level Luxury in "The Country" with Elite 10/10 Schools Experience the prestige of Diamond Bars premier 24-hour guard-gated community. This remodeled 3,406 sq. ft. estate offers a rare entry-point into "The Country," paired with enrollment in the top-rated Walnut Valley Unified School District (Evergreen Elementary, Chaparral Middle, and Diamond Bar High). Inside, expansive windows frame breathtaking, unobstructed mountain vistas. The remodeled chef's kitchen features granite countertops and stainless steel appliances, while the family room boasts rustic beam ceilings. The private master suite offers direct backyard access and a luxurious bath with a separate shower, soaking tub, and granite-topped dual sinks. The unique split-level layout includes a massive lower-level bonus room with a rock fireplace, wet bar, and storageperfect as a private executive office or media room. Outside, an upgraded deck built along the canyon slope provides a front-row seat to spectacular mountain views. Complete with fragrant fruit trees and side-yard RV parking, this home perfectly blends functionality with hillside serenity.
Listing record
Choose a source to show its complete, unblended listing record.
Showing San Diego MLS
San Diego MLS · Listing TR26206716
Courtesy of RE/MAX Galaxy
Listing agent
Tianlun Jiang
(626) 829-2888
The MLS (CLAW) · Listing TR26099421MR
Courtesy of RE/MAX Galaxy
Listing agent
Not provided
(626) 829-2888
California Regional Multiple Listing Service (CRMLS) · Listing TR26099421
Courtesy of RE/MAX Galaxy
Listing agent
Tianlun Jiang
(626) 829-2888
$367,778
Estimated monthly payment
$12,178/mo
Loan amount $1,471,110. Estimate only — your actual rate and payment depend on credit, location, and lender.
School ratings (A+ to F) from HJN community data.
Quail Summit Elementary School
KG-5 · Regular · Walnut Valley Unified School District
696 students · 25.3:1 student–teacher
Chaparral Middle School
6-8 · Regular · Walnut Valley Unified School District
1,349 students · 28.3:1 student–teacher
Maple Hill Elementary School
KG-5 · Regular · Walnut Valley Unified School District
556 students · 27.1:1 student–teacher
Evergreen Elementary School
KG-5 · Regular · Walnut Valley Unified School District
709 students · 25.0:1 student–teacher
St Christopher-Joseph-Aquinas Academic Academy
KG-6 · Special Program Emphasis
35 students · 35.0:1 student–teacher
Guide Academy
PK-9 · Montessori
38 students · 3.5:1 student–teacher
Diamond Bar High School
9-12 · Regular · Walnut Valley Unified School District
2,563 students · 26.0:1 student–teacher
Pantera Elementary School
KG-6 · Regular · Pomona Unified School District
512 students · 23.7:1 student–teacher
Rings at ½ mile and 1 mile. Basemap © OpenMapTiles © OpenStreetMap contributors.
Open the Diamond Bar camera map5 license-plate readers mapped within 1 mile of this home, all identified as Flock Safety devices. None within ½ mile. Nearest: 0.8 mi northeast.
| Device type | Within ½ mi | Within 1 mi |
|---|---|---|
| License-plate readers | 0 | 5 |
| of which Flock Safety | 0 | 5 |
Community-reported via OpenStreetMap; may be incomplete. Data as of . © OpenStreetMap contributors (ODbL)
License-plate readers (ALPR) are fixed cameras that photograph passing vehicles and read their plates. Records are typically shared with the agency or association that operates the camera.
Flock Safety is a company whose plate-reader cameras are used by police departments, cities, HOAs and businesses. Its devices are usually solar-powered and pole-mounted.
Price Reduced57
$2,250,000
5 bd · 5 ba · 3,312 sqft
21086 Willow Heights, Diamond Bar, CA
TopSky Realty Inc · on 3 MLSs
18$1,699,000
4 bd · 3 ba · 3,802 sqft
24030 Shotgun Lane, Diamond Bar, CA
Semiwati Tan · Adequate Real Estate Service · on 2 MLSs
Price Reduced65$1,295,000
4 bd · 3 ba · 2,712 sqft
3315 Hawkwood, Diamond Bar, CA
Joseph Aasland · First Team Real Estate · on 2 MLSs
Price Reduced40$1,288,000
4 bd · 3 ba · 2,252 sqft
23254 Forest Canyon, Diamond Bar, CA
IRN Realty · on 3 MLSs
71$1,363,000
4 bd · 5 ba · 2,430 sqft
883 Terrace West, Diamond Bar, CA
Joel Rivera · Coldwell Banker Assoc.Brks-CL · on 2 MLSs
Price Reduced42$1,590,000
5 bd · 4 ba · 3,100 sqft
20949 Ambushers Street, Diamond Bar, CA
DEBORAH KIM · FIRST TEAM REAL ESTATE · on 2 MLSs
The MLS (CLAW)
California Regional Multiple Listing Service (CRMLS)This content last refreshed on 2026-11-04 22:48:35 UTC. Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.
San Diego MLS




Within 2 miles of this home: 38+ restaurants and cafés, 2 grocery stores, 9 parks and green spaces, and 3 transit stops.
Place data from OpenStreetMap.
Ni Ni Bakery
torotea
S Diamond Bar Blvd
Domino's
Diamond Bar Boulevard
NoodleMii
Diamond Palace
Indian restaurant
Rainbow Donuts
Fusion 2 Any 1
Diamond Bar Boulevard
Pizza Hut
Albertsons
South Diamond Bar Boulevard
Walmart Neighborhood Market
Diamond Bar Boulevard
Paul C. Grow Park
Forest Canyon Drive
Summitridge Park
Maple Hill Park
Sycamore Canyon Park
Golden Springs Drive
Arnold Reservoir
Tres Hermanos Ranch
Grand Avenue
Longview Park
Summitridge Longview drive Park
Longview Drive
Foothill Transit 482, 853, 854
Foothill Transit 482
Foothil Transit 482