21321 Hillside Court, Lake Forest, CA 92630
- 5 beds
- 3 baths
- 3,581 sq ft
- 0.36-acre lot
- Built 1987
$2,495,000
Est. $16,683/mo with 20% down, 30-year fixed
$697 a sq ft against a $672 Montbury on the Hill median. Ask how it comparesSubdivision Montbury on the Hill
7 single-family homes sold in the past 12 months · median $2,100,000
The home
About 21321 Hillside Court
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.
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 has 3,581 square feet of living space on a 0.36-acre lot and is listed at $2,495,000, about $697 per square foot. The home was built in 1987. The MLS record lists the assessor parcel number as 613-531-10. Highlights include hill views, a private pool and spa, a fireplace, an attached three-car garage, central air, and an updated home.
Photographs
Photos of 21321 Hillside Court, Lake Forest
Specifications
Home Details
General Features
- Property Type
- Single Family Residence
- MLS Number
- PW26202722
- Year Built
- 1987
- Living Area (sq ft)
- 3,581
- Living Area Source
- Assessor
- Lot Size (sq ft)
- 15,625
- Lot Size (acres)
- 0.3587
- Levels
- Two
- Bedrooms
- 5
- Full Baths
- 2
- Half Baths
- 1
- Garage Spaces
- 3
- Parking Spaces
- 6
- View
- Hills, Pool
- Private Pool
- Yes
- HOA Dues
- $190
- HOA Frequency
- Monthly
- HOA Name
- Montbury Homeowners Association
- Parcel Number
- 61353110
- On Market Date
- 2026-09-16
- Listing Terms
- Standard
Interior Features
- Interior Features
- Breakfast Bar, Built In Features, High Ceilings, Stone Counters, Recessed Lighting, Attic, Bedroom On Main Level, Primary Suite
- Appliances
- Built In Range, Convection Oven, Dishwasher, Electric Oven, Disposal, Refrigerator, Range Hood
- Flooring
- Carpet, Wood
- Heating
- Central
- Cooling
- Central Air, Attic Fan
- Fireplace
- Family Room, Living Room, Primary Bedroom
- Laundry
- Laundry Room
- Main Level Bedrooms
- 1
- Main Level Bathrooms
- 1
- Entry Level
- 1
- Common Walls
- No Common Walls
- Windows
- Double Pane Windows
- Doors
- Double Door Entry, French Doors, Mirrored Closet Doors
- Accessibility
- Safe Emergency Egress From Home, Parking, Accessible Doors
- Rooms
- Attic, Bathroom, Kitchen, Laundry, Bonus Room, Living Room, Bedroom, Family Room, Primary Bedroom
Exterior Features
- Exterior Features
- Awnings, Barbecue, Lighting
- Roof
- Composition
- Construction
- Drywall, Glass, Stucco
- Foundation
- Slab
- Lot Features
- Zero To One Unit Acre, Back Yard, Corner Lot, Cul De Sac, Lawn, Landscaped
- Patio and Porch
- Concrete, Covered
- Parking
- Concrete, Door Multi, Direct Access, Driveway, Driveway Up Slope From Street, Garage Faces Front, Garage
- Fencing
- Good Condition, Split Rail
- Pool Features
- Fenced, Heated, In Ground, Private
- Spa
- Heated, Private
- Sewer
- Public Sewer
- Water
- Public
- Utilities
- Cable Available, Electricity Available, Natural Gas Available, Sewer Available, Water Available
- Condition
- Updated Remodeled, Turnkey
- Units
- 1
Community Features
- Subdivision
- Montbury On The Hill (MBY)
- Community Features
- Curbs, Foothills, Golf, Park, Storm Drains, Street Lights, Suburban, Sidewalks
- Association Amenities
- Tennis Courts
- Security
- Carbon Monoxide Detectors
The record
Property History for 21321 Hillside Court
| Date | Event | Price | Note |
|---|---|---|---|
| Sep 16, 2026 | Listed for sale | $2,495,000 | |
| Mar 24, 2025 | Sold | $2,500,000 | Regency Real Estate Brokers |
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 21321 Hillside Court
We looked up this home's map point in public government maps. These facts are not part of the MLS listing.
Hazard zones
- Flood zone
Zone X, area of minimal flood hazard. Outside FEMA's Special Flood Hazard Area.
FEMA National Flood Hazard Layer, FIRM panel 06059C0318J effective December 3, 2009. Checked October 15, 2026.
- Fire hazard severity zone
Not in a fire hazard severity zone on the State Fire Marshal's map.
CAL FIRE, State Fire Marshal map for Local Responsibility Areas, March 24, 2025. Checked October 15, 2026.
- Earthquake fault zone
Outside the Alquist-Priolo Earthquake Fault Zones.
California Geological Survey, Earthquake Fault Zones. Checked October 15, 2026.
- Liquefaction zone
Outside the liquefaction zones.
California Geological Survey, Seismic Hazard Zones map, Lake Forest quadrangle, released January 17, 2001. Checked October 15, 2026.
- Landslide zone
Inside a Seismic Hazard Zone for earthquake-induced landslides.
California Geological Survey, Seismic Hazard Zones map, Lake Forest quadrangle, released January 17, 2001. Checked October 15, 2026.
Internet and charging
- Fixed internet
Cable: Cox Communications, up to 2,000 Mbps, at 295 of 296 residential locations in this census block. DSL: AT&T, up to 100 Mbps, at 161 of 296. Fixed wireless: Verizon, up to 300 Mbps, at 76 of 296.
FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590524231004, not for this address. Not endorsed by the FCC. Checked October 15, 2026.
- EV charging
Nearest public charger 0.7 miles away (Red E Charge, 2 DC fast ports). 183 public charging ports within 3 miles.
U.S. Department of Energy, Alternative Fuels Data Center. Straight-line distance. Checked October 15, 2026.
These facts are for the listing's map point, which can sit off the lot. A zone line can also cross a lot, and agencies revise their maps. In cities, the fire zone line follows the State Fire Marshal's 2025 map; each city adopts its own map and may add areas. These lines are not a Natural Hazard Disclosure. Check the official maps and the seller's disclosures before you rely on them. Sources for the earthquake zone lines: Reproduced with permission, California Geological Survey, Webservice of Official Maps of Alquist-Priolo Earthquake Fault Zones (2025). Reproduced with permission, California Geological Survey, Webservice of Official Maps of Seismic Hazard Zones (2025).
Official maps
Cost of ownership
Estimated monthly payment
7.24% · 30-yr fixed$
$19,319/mo
10% down · 30-year fixed · $249,500 down
Principal & interest$15,303
Mortgage insurance (est., over 80% LTV)$936
Property tax (est. 1.04%)$2,162
Home insurance (rough est., varies widely)$728
HOA from listing$190
$16,683/mo
20% down · 30-year fixed · $499,000 down
Principal & interest$13,603
Property tax (est. 1.04%)$2,162
Home insurance (rough est., varies widely)$728
HOA from listing$190
$14,982/mo
30% down · 30-year fixed · $748,500 down
Principal & interest$11,902
Property tax (est. 1.04%)$2,162
Home insurance (rough est., varies widely)$728
HOA from listing$190
Estimated carrying cost
$3,080/mo
All cash · taxes and insurance only
Principal & interestNone (cash purchase)
Property tax (est. 1.04%)$2,162
Home insurance (rough est., varies widely)$728
HOA from listing$190
Estimate only, not a loan offer or quote. Principal and interest use the Freddie Mac 30-year fixed average of 7.24% (week of Oct 29, 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.
Next steps
Buying 21321 Hillside Court
Want to see 21321 Hillside Court in person? We have guided buyers through Montbury on the Hill and the wider Lake Forest market since 1983. Call to arrange a private tour, or send a note and we'll follow up.
Selling near 21321 Hillside Court
Thinking of selling nearby? We bring current Montbury on the Hill sales data and a clear pricing strategy to every listing, backed by more than 700 closed sales and over $1B in Orange County volume. Start with a free home valuation, or reach out to talk through your options.
The neighborhood
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.
Montbury on the Hill home sales, past 12 months
- Homes sold
- 7
- Median price
- $2,100,000
- Median days on market
- 58
- Median per sq ft
- $672
Recorded MLS closings of single-family homes, Oct 25, 2025 to Oct 25, 2026. Days on market run from listing to going under contract.
Price per square foot against recent Montbury on the Hill sales
At $697 per square foot, this home's asking price is close to the Montbury on the Hill median of $672 for single-family homes that closed in the past 12 months.
Recent Montbury on the Hill sales
| Address | Closed | Price | Sq ft | Per sq ft | Days on market |
|---|---|---|---|---|---|
| 21391 Aliso Court | Jul 13, 2026 | $2,150,000 | 3,283 | $655 | 56 |
| 21482 Countryside Drive | Jun 18, 2026 | $1,999,900 | 1,892 | $1,057 | 51 |
| 21676 Rushford Drive | May 22, 2026 | $2,100,000 | 3,270 | $642 | 65 |
| 21642 Montbury | May 15, 2026 | $1,750,000 | 2,605 | $672 | 58 |
| 21701 Montbury | Apr 2, 2026 | $2,250,000 | 2,117 | $1,063 | 26 |
Schools
School District for 21321 Hillside Court
As listed in the MLS record. Confirm attendance boundaries with the school district.
The MLS record lists the school district as Saddleback Valley Unified.
Living in Lake Forest covers its schools, parks and beaches.
Location
Location
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Listed by Chad Engle of Casa Real Estate
Listing information updated Sep 20, 2026 at 4:29 PM PT. Source: CRMLS.
This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. The display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, the Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.