21086 Willow Heights
Diamond Bar, CA 91765
Listing broker / agent: TopSky Realty Inc · SAMPSON WU · 909-828-0808 · CRMLS
MLS # WS26149150 · Last checked Oct 8, 2026 23:44 UTC
About this property
Welcome to 21086 Willow Heights, a stunning view home located in the desirable gated Willow Heights community of Diamond Bar, offering 24-hour security patrol and access to the award-winning Walnut Unified School District. This spacious residence features 5 bedrooms, 4.5 bathrooms, and a private upstairs office. Designed for comfort and entertaining, the home showcases soaring ceilings, an open and inviting floor plan, elegant window shutters, zone-controlled HVAC, paid-off solar, and a beautifully appointed kitchen with granite countertops, stainless steel appliances, a built-in refrigerator, wine cooler, and large center island. Enjoy beautiful city light and mountain views from the covered patio, complete with a built-in BBQ and outdoor refrigerator. Additional highlights include a generously sized downstairs guest suite, expanded upstairs loft, spacious primary suite, 3-car garage, no Mello-Roos, and convenient access to nearby markets, shopping, and the 60 and 57 freeways. Don’t miss the opportunity to own this exceptional home in one of Diamond Bar’s most sought-after gated communities.
Property details
- MLS number
- WS26149150
- Status
- Active
- Type
- Residential
- Subtype
- Single Family Residence
- Beds / baths
- 5 Beds • 5 Baths
- Living area
- 3,312 Sq Ft
- Lot size
- 0.1166 acres
- Year built
- 2015
- Stories
- 2
More property detailsCollapse
Listing
- Days on market
- 90
Building
- Year built
- 2015
- Year built source
- Assessor
- Stories
- 2
- Building stories
- 2
- Levels
- Two
- Entry level
- 1
- Living area source
- Assessor
Bathrooms
- Full bathrooms
- 4
- Half bathrooms
- 1
Rooms & interior
- Main-level bedrooms
- 1
- Main-level bathrooms
- 2
- Rooms
- Bathroom, Bonus Room, Bedroom, Exercise Room, Foyer, Great Room, Kitchen, Laundry, Loft, Living Room, Primary Bedroom, Office, Other, Pantry
- Appliances
- Six Burner Stove, Barbecue, Convection Oven, Dishwasher, Microwave, Refrigerator, Range Hood, Tankless Water Heater
- Interior features
- Open Floorplan, Bedroom On Main Level, Entrance Foyer, Jack And Jill Bath, Loft, Primary Suite, Walk In Pantry, Walk In Closets
- Heating
- Central
- Cooling
- Central Air, Electric, Zoned
- Fireplace
- None
- Laundry
- Washer Hookup, Gas Dryer Hookup, Inside, Laundry Room, Upper Level
Exterior & parking
- Total parking spaces
- 3
- Garage spaces
- 3
- Attached garage
- Yes
- Pool
- None
- Lot features
- Back Yard, Drip Irrigation Bubblers, Front Yard, Sprinklers In Rear, Sprinklers In Front, Sprinklers Timer, Sprinklers On Side, Walkstreet
- Lot size source
- Assessor
- Property outlook
- City Lights, Mountains, Neighborhood
Utilities & community
- Water
- Public
- Sewer
- Public Sewer
- Community features
- Curbs, Dog Park, Park, Storm Drains, Sidewalks
- Association amenities
- Dog Park, Barbecue, Picnic Area, Playground
Fees & lease terms
- Association
- Yes
- Association fee
- $172.00
- Association fee frequency
- Monthly
Schools reported in the listing
- High school
- Diamond Bar
- High school district
- Walnut Valley Unified
School information is supplied with the listing. Confirm current attendance boundaries and enrollment eligibility directly with the school district.
Nearby public schools
Nearby does not mean assigned. These are approximate straight-line distances from the property, not walking or driving routes. Confirm attendance boundaries, enrollment eligibility, grades and current school status directly with the district.
| School / district | Grades | Distance |
|---|---|---|
| Castle Rock Elementary (school website, opens in a new tab) Walnut Valley Unified · Diamond Bar | K–5 | 0.4 mi |
| Evergreen Elementary (school website, opens in a new tab) Walnut Valley Unified · Diamond Bar | K–5 | 1.1 mi |
| Diamond Bar High (school website, opens in a new tab) Walnut Valley Unified · Diamond Bar | 9–12 | 1.2 mi |
| South Pointe Middle (school website, opens in a new tab) Walnut Valley Unified · Walnut | 6–8 | 1.8 mi |
| Shelyn Elementary Rowland Unified · Rowland Heights | K–6 | 2.1 mi |
| Ybarra Academy for the Arts and Technology Rowland Unified · Walnut | K–8 | 2.3 mi |
| Maple Hill Elementary (school website, opens in a new tab) Walnut Valley Unified · Diamond Bar | K–5 | 2.4 mi |
| John A. Rowland High Rowland Unified · Rowland Heights | 9–12 | 2.5 mi |
Source: California Department of Education · 2025-26 school locations. Downloaded Oct 2, 2026 UTC. This annual snapshot may not reflect later changes. Public schools only; not a complete list of education options. No ratings or attendance assignments are provided.
Check the California School Directory ↗Price and tax history
Asking price
- Current asking price
- $2,250,000
- MLS-reported original asking price
- $2,280,000
- MLS-reported previous asking price
- $2,280,000
- MLS-reported last price change
- 2026-09-16 19:18 UTC
| Observed (UTC) | Asking price |
|---|---|
| Oct 2, 2026 05:35 | $2,250,000 |
MLS values are reported for this listing, not prior sales. Observation dates show when our importer saw an asking price, not when the MLS changed it. Up to 24 observations are retained; changes between refreshes may be missed. This is not a complete price or sales history.
Property taxes
Tax history is not available from the imported listing data.
Source: MLS feed. Only supplied tax years are shown, up to 10 years; this is not a county tax archive. Amounts may be corrected and taxes may change after purchase. Verify assessments and current taxes with the county. These values do not automatically fill the payment calculator.
Market trends in Diamond Bar
Active residential homes for sale in Diamond Bar, CA, available through this website's authorized feed. Includes residential subtypes; excludes rentals. Not the entire market or a valuation of this property.
Observed price activity · past 30 days
9 currently active listings have an observed price-change pair ending in this period. A listing can appear in both counts.
Calculated 2026-10-08 23:47 UTC. Source: this website's authorized MLS inventory. Import progress, freshness rules and coverage affect the figures. Medians exclude missing/invalid values; price per sq ft is the median of individual listing ratios. Price observations are limited to the last 24 per listing and may miss changes between refreshes. This is not a complete 30-day market report, historical inventory trend, appreciation measure, or sold-price analysis.
Payment calculator
Explore a fixed-rate loan scenario. The price comes from this listing; a 20% down payment and 30-year term are starting assumptions, not requirements. Enter your own interest rate—not APR—and estimated costs.
Illustration only—not a rate quote, preapproval, lending offer or affordability determination. Assumes equal monthly payments on a fully amortizing fixed-rate loan; no adjustable rates, interest-only periods or balloon payments. Excludes closing costs, utilities, maintenance, special assessments and other unentered costs. Actual payments and escrow can differ. Review a Loan Estimate with your lender.
Understanding homeownership costs — CFPB ↗