San Bernardino County property record for 5421 Duncaster Pl, Rancho Cucamonga, CA 91739
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.75 ba · 4,280 sqft · built 2005 |
| Lot Size | 0.245 acres (10,677 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $901,500 (Oct 2005) |
| Tax Bill | $9,677 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1087-231-24-0000 |
| Primary APN | 1087-231-24-0000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 4,280 sqft Living Area |
| Gross Area | 4,932 sqft |
| 1st Floor Area | 2,050 sqft |
| 2nd Floor Area | 2,230 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Modern |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 10,677 sqft (0.245 acres) |
| Garage Type | Attached |
| Garage Area | 652 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Patio/Porch |
| Porch Area | 155 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 5421 DUNCASTER PL |
|---|---|
| City | RANCHO CUCAMONGA |
| State | CA |
| Zip | 91739-2603 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 16100 LOT 24 BOOK 304 PAGE 36 AMENDED TRACT 16100 REC BK 308 PGS 58-59 LOT 24 |
| Legal Tract | 16100 |
| Legal Block | 2 |
| Legal Lot Number | 24 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 2043 |
Source: San Bernardino County records, as of October 19, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 5421 DUNCASTER PL, RANCHO CUCAMONGA, CA 91739-2603 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 21, 2005 · Amount on Record |
| Deed Sale | Oct 21, 2005 · Amount on Record |
| Deed Document Number | 2005788893 |
| Record Updated | Oct 29, 2026 |
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Municipality | Rancho Cucamonga City |
| Secondary School District | Chaffey Joint Union High School District (09 - 12) |
| Elementary School District | Etiwanda Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $720,022 (+2%) Land $252,392 Building $467,630 | |
| 2025 | $9,677.00 (+5.4%) | $705,904 (+4.04%) Land $247,443 Building $458,461 |
| 2023 | $9,181.00 (+1.54%) | $678,493 Land $237,834 Building $440,659 |
| 2022 | $9,042.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 71% of the US · above 46% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | CUCAMONGA VALLEY WATER DISTRICT serves 213,375 people · EPA ID CA3610018 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2025 |
| 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.
Source: FCC Broadband Data Collection, based on 218 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: GeoLinks.
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