
20774 Timberline, Diamond Bar, CA 91789
20774 Timberline, Diamond Bar, CA 91789
Property Description
Welcome to this beautifully updated 3 bedroom, 2.5 bathroom home in one of Diamond Bar's most desirable neighborhoods. this home offers beautiful neighborhood views, exceptional privacy, and a peaceful setting. The open floor plan features high ceilings, abundant skylights, the master bedroom suite dual vanities, and separate glass-enclosed shower. The kitchen ample cabinetry with granite countertops. Additional upstair den areas provide options for a home office. this property offers plenty of room for outdoor dining, gardening . Throughout the home you'll find wood flooring, plantation shutters, dual-pane windows, impressive double-door entry, and an attached two-car garage. Located within the award-winning Walnut Valley Unified School District and just a short walk to Park, this home is also minutes from Diamond Bar Town Center, H Mart, Sprouts, Costco, and the 57, 60, and 71 freeways. this is a rare opportunity to own a peaceful sanctuary in one of Diamond Bar's premier communities.
Features & Amenities
Property Details
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Comparative Market Analysis
Residential Tier · 5 active · 5 closed
Diamond Bar · Single Family Residence
Listed 11.2% above the median closed sale of $1,115,000. Price per sqft ($707) is a 37% premium to closed comps ($515). Closed comps sold at 80% of list — buyers have negotiating leverage.
Price Position
Positioned above the market — commands a premium.
Active Properties (5)
Active Comparables
| Address | City | Year | BD | BTH | SqFt | LotSz | LP/SqFt | LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 1441 Rolling Knoll Road | Diamond Bar | 1978 | 3 | 3 | 1,772 | 6,508 | $638 | $1.13M | 81 | 78 |
| 23433 Quail Summit Dr | Diamond Bar | 1976 | 3 | 2 | 1,436 | 8,682 | $696 | $1.00M | 12 | 74 |
| 24271 Seagreen Drive | Diamond Bar | 1984 | 3 | 3 | 1,552 | 10,784 | $611 | $948,000 | 4 | 72 |
| 1118 Clorinda | Diamond Bar | 1965 | 4 | 3 | 1,714 | 6,658 | $652 | $1.12M | 42 | 71 |
| 239 Palo Cedro | Diamond Bar | 1969 | 4 | 2 | 1,600 | 8,261 | $612 | $979,900 | 11 | 71 |
| Total: 5 · Average | 3.4 | 2.6 | 1,614.8 | 8,178.6 | $641.8 | $1.04M | 30 | |||
| Median | 1,600 | $1.00M | ||||||||
Closed Properties (5)
Closed Comparables
| Address | City | Year | Date | BD | BTH | SqFt | LotSz | LP | SP | SP/SqFt | SP/LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 522 Julian Court | Diamond Bar | 1986 | 07/31/2026 | 4 | 2 | 1,784 | 9,210 | $1.19M | $115,000 | $64 | 0.10 | 36 | 77 |
| 1010 Cogburn | Diamond Bar | 1984 | 08/27/2026 | 4 | 3 | 1,747 | 6,654 | $1.12M | $1.11M | $638 | 1.00 | 83 | 76 |
| 23819 Country View | Diamond Bar | 1975 | 09/11/2026 | 4 | 2 | 1,704 | 9,137 | $1.18M | $1.13M | $663 | 0.96 | 98 | 75 |
| 1109 Overlook Ridge | Diamond Bar | 1968 | 08/13/2026 | 4 | 3 | 2,021 | 7,592 | $1.15M | $1.15M | $567 | 1.00 | 159 | 74 |
| 1456 Winterwood Lane | Diamond Bar | 1974 | 07/24/2026 | 4 | 2 | 1,704 | 7,001 | $1.15M | $1.10M | $643 | 0.95 | 85 | 68 |
| Total: 5 · Average | 4.0 | 2.4 | 1,792 | 7,918.8 | $920,200 | $920,200 | $515 | — | 92.2 | ||||
| Median | 1,747 | $1.11M | $1.11M | ||||||||||
Market Analysis
List vs Sale $/SqFt
Sale Price Trend
Days on Market
Sale vs List Price
This analysis was generated automatically from MLS data. For an in-depth, human-reviewed valuation, contact Joseph Sardella at josephsardella@gmail.com.