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21321 Hillside CourtLake Forest, CA 92630
Tucked away on a quiet cul-de-sac, this stunning 5-bedroom, 3-bathroom residence offers 3,581 square feet of beautifully appointed living space on an expansive .36-acre lot — one of the largest you'll find in the neighborhood. The heart of the home is the brand-new chef's kitchen, thoughtfully redesigned with top-of-the-line Thermador appliances, a striking stone hood as the focal point, and seamlessly integrated panel-ready refrigerator and dishwasher for a clean, custom look. Rich hardwood flooring flows throughout the entire downstairs, lending warmth and timeless elegance to every room. Upstairs, the spacious primary suite is a true retreat, featuring a cozy fireplace and serene views overlooking the lush backyard. A versatile bonus room offers endless possibilities — home theater, playroom, gym, or office. Step outside to your private resort-style backyard, where a large sparkling pool is surrounded by generous grass areas perfect for entertaining, family gatherings, or simply unwinding. With this much usable outdoor space on a premium cul-de-sac lot, the possibilities are endless. Built in 1987 and meticulously maintained, this home blends classic Southern California charm with modern luxury upgrades. Don't miss this rare opportunity to own a true Lake Forest gem.
| 20 hours ago | Listing first seen on site | |
| 20 hours ago | Listing updated with changes from the MLS® |
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Property Details for 21321 Hillside Court
This 5-bedroom, 3-bath single-family home sits in the Montbury On The Hill neighborhood of Lake Forest in Orange County. It offers 3,581 square feet of living space and is listed at $2,495,000, about $697 per square foot. The home was built in 1987. Highlights include hill views, a private pool and spa, a fireplace, an attached three-car garage, a 0.36-acre lot, and central air. The detail sections on this page cover interior and exterior features, estimated taxes, HOA dues where they apply, and the map location.
About Lake Forest
Set in the Saddleback Valley of South Orange County and named for two man-made lakes, Lake Forest grew from the former El Toro community and the eucalyptus groves Dwight Whiting planted. Served entirely by the Saddleback Valley Unified School District, the city folds in the Foothill Ranch and Portola Hills districts near Whiting Ranch Wilderness Park.
In Montbury On The Hill, 7 single-family homes have closed in the last 12 months at a median of $2,100,000, based on recorded MLS closings. The median was 58 days on market before going under contract.
Estimated monthly payment
6.76% · 30-yr fixedEstimate only, not a loan offer or quote. Principal and interest use the Freddie Mac 30-year fixed average of 6.76% (week of Sep 10, 2026); your rate will differ. A loan this size is typically a jumbo loan, which prices differently. Tax and insurance are modelled, not billed amounts; tax uses a typical Lake Forest rate, excluding Mello-Roos. Verify all figures. Full assumptions and disclosures.
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Photos of 21321 Hillside Court, Lake Forest
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Also for sale in Lake Forest: 21342 Hillside Court, 26822 Sommerset, 26965 Parkmont, 21252 Forest Meadow Drive.
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