San Bernardino County property record for 16509 Sonnet Ln, Fontana, CA 92336
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,539 sqft · built 2015 |
| Lot Size | 0.103 acres (4,500 sqft) |
| Owner | Trust Name on File |
| Last Sale | $427,000 (Sep 2015) |
| Tax Bill | $7,279 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0240-072-06-0000 |
| Primary APN | 0240-072-06-0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,539 sqft Living Area |
| Gross Area | 2,965 sqft |
| 1st Floor Area | 1,019 sqft |
| 2nd Floor Area | 1,520 sqft |
| Family Room | Family Room |
| Year Built | Built 2015 |
|---|---|
| Effective Year Built | Effective 2015 |
| Architectural Style | Modern |
| Construction Type | Frame |
| Roof Material | Tile |
| Lot Area | 4,500 sqft (0.103 acres) |
| Garage Type | Attached |
| Garage Area | 426 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Patio/Porch |
| Porch Area | 115 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 16509 SONNET LN |
|---|---|
| City | FONTANA |
| State | CA |
| Zip | 92336-1493 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 18657 LOT 6 BOOK 340 PAGE 68 AND INT IN COMMON AREA |
| Legal Tract | 18657 |
| Legal Block | 3 |
| Legal Lot Number | 6 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | SAN BERNARDINO |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 2308 |
16509 Sonnet Ln is held in a trust since September 2015.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | PO BOX 70823, PASADENA, CA 91117-7823 |
| Owner Type | Company |
| Vesting | Trust, Corporate 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 Sale | Sep 4, 2015 · Amount on File |
| Deed Sale | Sep 4, 2015 · Amount on File |
| Deed Document Number | 2015388774 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 16509 Sonnet Ln was $7,279.
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Municipality | Fontana City |
| Unified School District | Fontana Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $515,405 (+2%) Land $120,747 Building $394,658 | |
| 2025 | $7,279.00 | $505,299 Land $118,379 Building $386,920 |
| 2023 | $6,142.00 (+0.62%) | $485,677 Land $113,782 Building $371,895 |
| 2022 | $6,104.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 16509 Sonnet Ln in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 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 16509 Sonnet Ln 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 | SAN GABRIEL VALLEY WC - FONTANA private · serves 228,270 people · EPA ID CA3610041 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Apr 2022 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 629 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 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: GeoLinks.
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