Orange County property record for 231 Siena, Lake Forest, CA 92630
| Property Type | Condominium |
|---|---|
| Details | 4 bd · 3.5 ba · 2,401 sqft · built 2020 |
| Owner | 2 Individual Names on File |
| Tax Bill | $10,661 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 939-105-13 |
| Primary APN | 939-105-13 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,401 sqft Living Area |
| Year Built | Built 2020 |
|---|---|
| Effective Year Built | Effective 2020 |
| Architectural Style | Condo/Apartment |
| Garage Area | 428 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 231 SIENA |
|---|---|
| City | LAKE FOREST |
| State | CA |
| Zip | 92630-7635 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | N TR 18189 BLK LOT 4 UN 9 LOT 4 OF TRACT 18189 OF CONDO PROJECT 939-10 |
| Legal Subdivision | TRACT 18189 |
| Legal Tract | 18189 |
| Legal Lot Number | 4 |
| Jurisdiction | ORANGE CA |
| Township / Civil Division | IRVINE-LAKE FOREST |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 52425 |
231 Siena, a condominium, is owned and occupied by two individuals.
Source: Orange County records, as of August 4, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 231 SIENA, LAKE FOREST, CA 92630-7635 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 231 Siena was $10,661.
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 | $1,031,734 (+2%) Land $536,896 Building $494,838 | |
| 2025 | $10,661.00 | $1,011,504 Land $526,368 Building $485,136 |
| 2023 | $10,222.00 (+1.81%) | $972,227 Land $505,928 Building $466,299 |
| 2022 | $10,040.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 231 Siena in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 27, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 231 Siena is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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 156 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Cox Communications Fiber · Cable in parts of the area | 2,000 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Cityside Fiber, GeoLinks.
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