Orange County property record for 18751 Via Siena, Irvine, CA 92603
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,130 sqft · built 1968 |
| Lot Size | 0.267 acres (11,630 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $2,268 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 463-021-02 |
| Primary APN | 463-021-02 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,130 sqft Living Area |
| 1st Floor Area | 2,130 sqft |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Lot Area | 11,630 sqft (0.267 acres) |
| Garage Area | 506 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Street Address | 18751 VIA SIENA |
|---|---|
| City | IRVINE |
| State | CA |
| Zip | 92603-3437 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N TR 6328 BLK LOT 2 |
| Legal Tract | 6328 |
| Legal Lot Number | 2 |
| Jurisdiction | ORANGE CA |
| Township / Civil Division | CENTRAL COAST |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 62631 |
18751 Via Siena is held in a trust since October 2016.
Source: Orange County records, as of August 4, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 18751 VIA SIENA, IRVINE, CA 92603-3437 |
| 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 | Oct 5, 2016 |
| Transfer Doc | 0000491965 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 18751 Via Siena was $2,268.
Source: Orange County assessment roll, as of August 4, 2026
| Type | Name |
|---|---|
| State | California |
| County | Orange County |
| Municipality | Irvine City |
| Unified School District | Irvine Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $207,434 (+2%) Land $87,597 Building $119,837 | |
| 2025 | $2,268.00 | $203,367 Land $85,879 Building $117,488 |
| 2023 | $2,159.00 (+1.89%) | $195,471 Land $82,544 Building $112,927 |
| 2022 | $2,119.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 18751 Via Siena 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 |
| Community Rating System | Class 9 (5% premium discount) |
| 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 18751 Via Siena 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 98% of the US · lower than 98.4% 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 407 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cox Communications Cable | 2,000 / 100 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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