Orange County property record for 21831 Johnstone Dr, Lake Forest, CA 92630
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,509 sqft · built 1985 |
| Lot Size | 0.216 acres (9,423 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $3,981 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 613-474-17 |
| Primary APN | 613-474-17 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,509 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Lot Area | 9,423 sqft (0.216 acres) |
| Garage Area | 662 sqft |
| Parking Spaces | 3 Parking Spaces |
| Pool Type | Spa / Hot Tub (No Pool) |
| Cooling System | Central |
|---|---|
| Heating Fuel | Gas |
| Street Address | 21831 JOHNSTONE DR |
|---|---|
| City | LAKE FOREST |
| State | CA |
| Zip | 92630-7519 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N TR 11234 BLK LOT 189 |
| Legal Subdivision | MAP 11234 |
| Legal Tract | 11234 |
| Legal Lot Number | 189 |
| Jurisdiction | ORANGE CA |
| Township / Civil Division | IRVINE-LAKE FOREST |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 52423 |
21831 Johnstone Dr is owner-occupied and held in a trust since September 2011.
Source: Orange County records, as of August 4, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 21831 JOHNSTONE DR, LAKE FOREST, CA 92630-7519 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Sep 23, 2011 |
| Transfer Doc | 0000494609 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 21831 Johnstone Dr was $3,981 with a homeowner's exemption.
Source: Orange County assessment roll, as of August 4, 2026
| Type | Name |
|---|---|
| State | California |
| County | Orange County |
| Municipality | Lake Forest City |
| Unified School District | Saddleback Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $397,597 (+2%) Land $114,700 Building $282,897 | |
| 2025 | $3,981.00 Homeowner's exemption | $389,801 Land $112,451 Building $277,350 |
| 2023 | $3,815.00 (+1.84%) Homeowner's exemption | $374,665 Land $108,084 Building $266,581 |
| 2022 | $3,746.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21831 Johnstone Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 27, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 21831 Johnstone Dr is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | IRVINE RANCH WATER DISTRICT serves 450,323 people · EPA ID CA3010092 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2023 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 530 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cox Communications Cable | 2,000 / 100 |
May also be available: AT&T, GeoLinks, T-Mobile, Verizon.
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