
22427 Plummer Street, Chatsworth, CA 91311
22427 Plummer Street, Chatsworth, CA 91311
Property Description
Price adjusted to $2,600,000! An exceptional opportunity to create a multigenerational family compound, private estate, investment property, or future development project on more than 2.6 gated acres. Designed by renowned architect Robert Byrd, the existing residence offers timeless architectural character and is ready for updating and customization. A separate Carriage House with its own address adds tremendous flexibility for extended family, guests, a home office, or potential rental income. Architectural plans and drawings are available to convert the Carriage House into an approximately 1,200-square-foot, 2-bedroom, 2-bath ADU and expand the main residence by more than 300 square feet. Previous permits were issued in 2019 and have expired. Developers, contractors, and investors will appreciate the property's significant upside. The property profile identifies the property as a duplex, and the expansive parcel may offer potential for a lot split and/or additional development. Buyer to independently investigate and verify all development possibilities, zoning, permits, and requirements. The grounds are surrounded by mature oak trees, creating a private, park-like setting complete with a lighted tennis/pickleball/basketball court, swimming pool, detached garage with workshop, and three storage sheds. With 2.6+ acres, multiple structures, privacy, architectural character, and numerous possibilities, this is a rare opportunity in Chatsworth. Whether the vision is a multigenerational compound, reimagined luxury estate, income-producing property, or future development, bring your imagination and unlock the tremendous potential this unique property has to offer.
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Property Details
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Comparative Market Analysis
Luxury Tier · 5 active · 5 closed
Chatsworth · Single Family Residence
Listed 22.4% above the median closed sale of $2,125,000. Price per sqft ($518) is a 18% premium to closed comps ($439). Luxury tier — fewer comparable sales widen the confidence range.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 10909 Willowbrae Avenue | Chatsworth | 1988 | 5 | 5 | 4,968 | 17,506 | $403 | $2.00M | 21 | 68 |
| 22801 Seaqua Circle | Chatsworth | 2026 | 5 | 6 | 4,624 | 26,816 | $560 | $2.59M | 128 | 65 |
| 11091 Woodcrest Court | Chatsworth | 2025 | 5 | 6 | 4,872 | 20,053 | $523 | $2.55M | 130 | 65 |
| 9735 Baden | Chatsworth | 1953 | 6 | 7 | 5,826 | 39,547 | $463 | $2.70M | 151 | 64 |
| 9651 Sagebrush Avenue | Chatsworth | 2008 | 6 | 6 | 4,482 | 19,713 | $524 | $2.35M | 69 | 61 |
| Total: 5 · Average | 5.4 | 6.0 | 4,954.4 | 24,727 | $494.6 | $2.44M | 99.8 | |||
| Median | 4,872 | $2.55M | ||||||||
Closed Properties (5)
Closed Comparables
| Address | City | Year | Date | BD | BTH | SqFt | LotSz | LP | SP | SP/SqFt | SP/LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9506 Hunt Club | Chatsworth | 1991 | 06/10/2026 | 5 | 6 | 5,713 | 21,758 | $2.20M | $2.13M | $372 | 0.97 | 90 | 63 |
| 22231 Chatsworth | Chatsworth | 1932 | 07/15/2026 | 5 | 5 | 4,420 | 41,472 | $2.48M | $2.48M | $560 | 1.00 | 46 | 56 |
| 19677 Horace | Chatsworth | 1992 | 06/23/2026 | 4 | 5 | 4,883 | 17,425 | $2.10M | $2.08M | $426 | 0.99 | 54 | 54 |
| 10542 Wood Briar Court | Chatsworth | 2021 | 06/02/2026 | 5 | 6 | 5,594 | 43,991 | $2.42M | $2.48M | $442 | 1.02 | 62 | 53 |
| 11838 Canoga Avenue | Chatsworth | 2026 | 06/22/2026 | 5 | 6 | 4,508 | 15,274 | $1.80M | $1.77M | $394 | 0.99 | 129 | 48 |
| Total: 5 · Average | 4.8 | 5.6 | 5,023.6 | 27,984 | $2.19M | $2.19M | $438.8 | — | 76.2 | ||||
| Median | 4,883 | $2.13M | $2.13M | ||||||||||
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.