21380 Chirping Sparrow Road, Diamond Bar, CA 91765
21380 Chirping Sparrow Road, Diamond Bar, CA 91765
Property Description
Prime South Diamond Bar Fixer with Endless Potential in Award-Winning School District! Brought to market with incredible potential, this spacious two-story home located in a highly desirable South Diamond Bar neighborhood is ready for your creative vision and personal touches. Situated on a generous 0.37-acre lot with no common walls, this floor plan offers 3,073 square feet of comfortable living space featuring 5 bedrooms, 3 bathrooms, and a massive upstairs bonus room. The main level welcomes you with high cathedral ceilings at the entry and living room, a formal dining area, a convenient main-floor bedroom with a full bath, and an open-concept kitchen flowing directly into the family room with a cozy fireplace and French doors. Additional highlights include an attached 3-car garage (featuring a permitted bonus study room conversion space). Step outside to discover a private, sprawling backyard complete with a pool/spa, covered patio, and an elevated hillside path leading up to a gazebo with incredible local views. While the home requires cosmetic updating and TLC throughout, its solid bones, prime location just minutes from top-rated schools (Castle Rock Elementary, South Pointe Middle, and Diamond Bar High), shopping plazas (including H Mart), and easy access to the 57 and 60 freeways make this a rare diamond in the rough. Bring your contractors, designers, and imagination to transform this property into your dream estate!
Features & Amenities
Property Details
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Comparative Market Analysis
Luxury Tier · 5 active · 5 closed
Diamond Bar · Single Family Residence
Listed in line with the median closed sale of $1,380,000. Price per sqft ($456) is a 13% discount to closed comps ($527). Luxury tier — fewer comparable sales widen the confidence range.
Price Position
Aligned with the market — fair pricing for the comps.
Active Properties (5)
Active Comparables
| Address | City | Year | BD | BTH | SqFt | LotSz | LP/SqFt | LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 24303 Rimford | Diamond Bar | 1985 | 5 | 3 | 3,253 | 10,032 | $599 | $1.95M | 239 | 71 |
| 3315 Hawkwood | Diamond Bar | 1978 | 5 | 3 | 3,212 | 8,493 | $434 | $1.40M | 39 | 70 |
| 23836 Minnequa Drive | Diamond Bar | 1966 | 5 | 3 | 2,732 | 10,298 | $439 | $1.20M | 88 | 69 |
| 24435 Nan Court | Diamond Bar | 1988 | 5 | 3 | 2,585 | 9,821 | $513 | $1.32M | 34 | 68 |
| 1823 Cliffbranch | Diamond Bar | 1977 | 5 | 3 | 2,778 | 7,909 | $598 | $1.66M | 109 | 68 |
| Total: 5 · Average | 5.0 | 3.0 | 2,912 | 9,310.6 | $516.6 | $1.51M | 101.8 | |||
| Median | 2,778 | $1.40M | ||||||||
Closed Properties (5)
Closed Comparables
| Address | City | Year | Date | BD | BTH | SqFt | LotSz | LP | SP | SP/SqFt | SP/LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 21504 Cold Spring Lane | Diamond Bar | 1977 | 09/28/2026 | 4 | 3 | 2,712 | 14,248 | $1.46M | $1.38M | $509 | 0.94 | 120 | 75 |
| 22060 Cedardale Drive | Diamond Bar | 1983 | 09/29/2026 | 4 | 3 | 2,587 | 13,635 | $1.40M | $1.36M | $525 | 0.97 | 40 | 73 |
| 1590 Deer Crossing Drive | Diamond Bar | 1978 | 09/24/2026 | 5 | 3 | 2,806 | 10,640 | $1.50M | $1.45M | $517 | 0.97 | 48 | 72 |
| 1566 Autumn Hill | Diamond Bar | 1977 | 09/04/2026 | 5 | 3 | 2,842 | 10,163 | $1.70M | $1.64M | $577 | 0.96 | 34 | 71 |
| 988 Looking Glass Drive | Diamond Bar | 1984 | 10/06/2026 | 4 | 3 | 2,364 | 18,574 | $1.20M | $1.20M | $508 | 1.00 | 48 | 71 |
| Total: 5 · Average | 4.4 | 3.0 | 2,662.2 | 13,452 | $1.41M | $1.41M | $527.2 | — | 58 | ||||
| Median | 2,712 | $1.38M | $1.38M | ||||||||||
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.