Contra Costa County property record for 1775 Calle Arroyo, Diablo, CA 94528 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 5 Beds |
| Bathrooms | 3.5 Baths |
| Year Built | Built 1999 |
| Square Footage | 4,693 sqft Living Area |
| Lot Size | 35,200 sqft (0.808 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,000,000 (1998) |
| Tax Bill | $32,945.00 (2025) |
| Primary APN | 195-170-015 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 12 Rooms |
| Building Area | 4,693 sqft Living Area |
| 1st Floor | 4,693 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Exterior |
| Roof Material | Wood Shingle Roof |
| Lot Area | 35,200 sqft (0.808 acres) |
| Parking Spaces | 4 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 1,076 sqft Garage |
| View | Woodland View |
| Heating System | Forced Air with Air Conditioning Heating |
|---|---|
| Heating Fuel | Gas Heating Fuel |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 1775 CALLE ARROYO |
|---|---|
| City | DIABLO |
| State | CA |
| Zip | 94528 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | MT DIABLO EST PARK #1 LOT 89 & POR 90 |
| Legal Subdivision | MOUNT DIABLO ESTATE PARK 01 |
| Legal Lot Number | 89 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1000 |
| Census Tract | 346205 |
Source: Contra Costa County records · APN 195-170-015
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1775 CALLE ARROYO, DIABLO, CA 94528 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| Nov 06, 2017 | Deed of Trust, Mortgage · Adjustable Rate Mortgage (ARM) FREMONT BANK |
| Aug 02, 2021 | Deed of Trust, Mortgage · Conventional Mortgage FREMONT BANK |
| Jan 15, 2020 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 14, 1998 · Amount on Record |
| Deed Sale | May 14, 1998 · Amount on Record |
| Deed Doc Number | 1998107425 |
| Last Transfer Date | Dec 19, 2019 |
| Transfer Doc | 0000008438 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1775 CALLE ARROYO, DIABLO, CA 94528 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000208715 |
|---|---|
| Date | Nov 06, 2017 |
| Instrument | 2017-208715 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Adjustable Rate Mortgage (ARM) |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 01, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.62% |
| Type Change Date | Nov 01, 2022 |
| Change Frequency | Annually |
| Min Rate At Change | 2.87% |
| Max Rate At Change | 8.62% |
| Index | 1-Year LIBOR |
| Max Rate | 8.62% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1775 CALLE ARROYO, DIABLO, CA 94528 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 1775 CALLE ARROYO, DIABLO, CA 94528 |
| Document Number | 0000215723 |
|---|---|
| Date | Aug 02, 2021 |
| Instrument | 2021-215723 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 01, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.5% |
| Type Change Date | Aug 01, 2026 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3.37% |
| Max Rate At Change | 4.5% |
| Index | Other |
| Max Rate | 7.5% |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 15, 2020 |
| Property Address | 1775 CALLE ARROYO, DIABLO, CA 94528 |
| Document Number | 0000008438 |
| Instrument Date | Dec 19, 2019 |
| Instrument | 8438 |
| Transaction Type | Transfer |
| Record Updated | Jan 28, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 1775 CALLE ARROYO DIABLO CA 94528, DIABLO, CA 94528 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,942,611 (+2%) Land $814,344 Building $2,128,267 | |
| 2025 | $32,945.00 (+3.66%) Homeowner's exemption | $2,884,914 (+4.04%) Land $798,377 Building $2,086,537 |
| 2023 | $31,781.00 (+0.8%) Homeowner's exemption | $2,772,891 Land $767,376 Building $2,005,515 |
| 2022 | $31,529.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Wildfire Risk | Moderate above 68% of the US · above 42% of California |
|---|---|
| Wildfire Likelihood | About 1 in 375 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; lenders make the official flood determination.
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