María Merced Williams and John Rains House
- Historic house
- Regional draw
- Rancho Cucamonga
María Merced Williams and John Rains House preserves a historic home associated with Rancho Cucamonga's nineteenth-century ranch landscape.
Interpretation considers the family and the changing ownership of the property, with the restored building providing a tangible setting for those stories. The museum's current name recognizes María Merced Williams alongside John Rains.
Check the county museum's current visiting and tour arrangements before arriving. Use the Hemlock Street entrance and allow time for the historical interpretation rather than viewing the house only from outside. Group visits and special programs may require advance booking, and access to rooms can depend on staffing.
Visitor details reviewed October 18, 2026. Check official visitor information for current access, admission, and operating arrangements. View on OpenStreetMap.
Image credit: Einbierbitte / Wikimedia Commons. Original source. CC BY-SA 4.0. Resized and converted to WebP; may be cropped for display.
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