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Tucked away on a quiet street lined with some of Rowland Heights' finest homes, this one-of-a-kind estate presents a rare opportunity to own two separate residences on an expansive, 14381 SF almost all flat lot. Combining privacy, flexibility, and exceptional potential, the property is ideally situated in one of the community's most sought-after neighborhoods while remaining just minutes from shopping, dining, parks, and everyday conveniences. With two individual street addresses—19748 Castlebar Dr and 19742 Castlebar Dr—the property offers approximately 3,900 SF of total living space across two side-by-side homes, each with its own private entrance, creating endless possibilities for multi-generational living, guest accommodations, rental income, or a private home office. 19748 Castlebar Dr (Main Residence, living size taped at 2804sqft) features a spacious five-bedroom, four-and-one-half-bath floor plan that has been thoughtfully updated over the years. Recent improvements include fresh interior paint, new flooring, two fully remodeled bathrooms, kitchen updates with new cabinetry and countertops, updates to portions of the plumbing and HVAC systems, and exterior patio enhancements. The home also features a three-car-attended garage, generous outdoor patio areas, and a private second-floor balcony, creating comfortable indoor and outdoor living spaces for family gatherings and entertaining 19742 Castlebar Dr (Second Residence, living size taped at 1223 sqft) was built in 2005 and features three bedrooms and two bathrooms, including a private primary suite. The home offers approximately 10-foot ceilings, creating an open and airy atmosphere, along with its own private entrance and separate electric and gas meter. Its modern layout makes it ideal for extended family, guests, rental income, or multigenerational living. The expansive, level backyard is beautifully usable and includes a gazebo, patio area, mature fruit trees, and ample open space with potential for future ADU possibilities. A long side driveway provides parking for approximately 8 to 10 vehicles, making it ideal for larger households or those needing additional parking. Whether you are seeking a multigenerational home, an owner-occupied property with rental income potential, or a long-term investment with future expansion opportunities, this versatile property offers exceptional flexibility, privacy, and value in one of Rowland Heights’ most desirable locations.
Listing agent: RHEA BAI DRE #01360246 rheasellshomes@gmail.com, Listing office: RE/MAX Premier Properties
MLS data updated 10/16/2026, 10:35:53 PM PT
Source: CRMLS, MLS #: WS26143865
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Sep 16, 2026
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
$1,750,000Asking price recorded · Sep 16, 2026ZIP 91748 · Sep 2026
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.No recorded sales in this range. Select All available for older records; missing records do not mean the home never sold.
ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.