San Bernardino County property record for 10732 Boulder Canyon Rd, Rancho Cucamonga, CA 91737
| Property Type | Single Family Home |
|---|---|
| Details | 7 bd · 5 ba · 6,159 sqft · built 1988 |
| Lot Size | 0.484 acres (21,060 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,890,000 (Jun 2021) |
| Tax Bill | $22,710 (2025) |
| Deeds & Mortgages | Jun 2021 Sale Jan 2018 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1074-471-20-0000 |
| Primary APN | 1074-471-20-0000 |
|---|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 5 Baths |
| Total Rooms | 14 Rooms |
| Stories | 1 Story |
| Building Area | 6,159 sqft Living Area |
| Gross Area | 7,781 sqft |
| 1st Floor Area | 6,159 sqft |
| Basement Area | 942 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1998 |
| Architectural Style | Modern |
| Construction Type | Frame |
| Roof Material | Tile |
| Lot Area | 21,060 sqft (0.484 acres) |
| Garage Type | Attached |
| Garage Area | 680 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Type | Pool with Hot Tub/Spa |
|---|---|
| Porch | Patio/Porch |
| Porch Area | 410 sqft |
| Patio Area | 410 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 10732 BOULDER CANYON RD |
|---|---|
| City | RANCHO CUCAMONGA |
| State | CA |
| Zip | 91737-6721 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 12650-3 LOT 35 |
| Legal Subdivision | TRACT NO 12650 3 |
| Legal Tract | 12650-3 |
| Legal Block | 1 |
| Legal Lot Number | 35 |
| Jurisdiction | SAN BERNARDINO CA |
| Township / Civil Division | ONTARIO |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 2021 |
10732 Boulder Canyon Rd is owned by a company that bought it in June 2021.
Source: San Bernardino County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 10732 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721 |
| Owner Type | Company |
| Vesting | Sole Owner |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jun 29, 2021 | Grant Deed, Transfer LAWYERS TITLE |
| Jan 31, 2018 | Grant Deed, Transfer · ARM CATHAY BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 29, 2021 · Amount on File |
| Deed Sale | Jun 29, 2021 · Amount on File |
| Prior Sale | Jan 31, 2018 · Amount on File |
| Deed Document Number | 2021292812 |
| Prior Transfer Date | Dec 11, 2019 |
| Prior Transfer Doc | 0000480295 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Jun 29, 2021 |
| Property Address | 10732 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721 |
| Document Number | 0000292812 |
| Map Reference | MB 201 PG 77-80 |
| Instrument Date | Jun 22, 2021 |
| Instrument | 2021-0292812 |
| Transaction Type | Transfer |
| Record Updated | Jul 14, 2021 |
| Title Company | LAWYERS TITLE |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 10732 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN BERNARDINO CA |
| Recording Date | Jan 31, 2018 |
| Property Address | 10732 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721 |
| Document Number | 0000036536 |
| Map Reference | MB 201 PG 77-80 |
| Instrument Date | Nov 19, 2017 |
| Instrument | 2018-0036536 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2021 |
| Title Company | LAWYERS TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 10732 BOULDER CANYON RD, RANCHO CUCAMONGA, CA 91737-6721 |
| Document Number | 0000036537 |
|---|---|
| Date | Jan 31, 2018 |
| Instrument | 2018-0036537 |
| Name | CATHAY BANK |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Feb 1, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.75% |
| Type Change Date | Feb 1, 2021 |
| Change Frequency | Annually |
| Min Rate At Change | 4.62% |
| Max Rate At Change | 10.7% |
| Index | 1-Year CMT |
| Max Rate | 10.7% |
The 2025 property tax bill for 10732 Boulder Canyon Rd was $22,710.
Source: San Bernardino County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Bernardino County |
| Municipality | Rancho Cucamonga City |
| Elementary School District | Alta Loma Elementary School District (KG - 08) |
| Secondary School District | Chaffey Joint Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,086,712 (+2%) Land $521,678 Building $1,565,034 | |
| 2025 | $22,710.00 | $2,045,796 Land $511,449 Building $1,534,347 |
| 2023 | $21,644.00 (+0.25%) | $1,966,356 Land $491,589 Building $1,474,767 |
| 2022 | $21,591.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 10732 Boulder Canyon Rd in Zone X, an area of minimal flood risk.
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 | 2 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 10732 Boulder Canyon Rd is moderate, ranking above 66% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 66% of the US · above 40% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 | 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 246 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, GeoLinks, T-Mobile.
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