Contra Costa County property record for 1815 Calle Arroyo, Diablo, CA 94528 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3.5 Baths |
| Year Built | Built 1995 |
| Square Footage | 3,050 sqft Living Area |
| Lot Size | 20,550 sqft (0.472 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $2,100,000 (2020) |
| Tax Bill | $26,653.00 (2025) |
| Primary APN | 195-180-032-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 11 Rooms |
| Building Area | 3,050 sqft Living Area |
| 1st Floor | 3,050 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1995 |
| Lot Area | 20,550 sqft (0.472 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 700 sqft Garage |
| Cooling System | Central Cooling |
|---|
| Street Address | 1815 CALLE ARROYO |
|---|---|
| City | DIABLO |
| State | CA |
| Zip | 94528 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | PARCEL MAP 30 PG 34 PCL B |
| Legal Tract | 30PM34 |
| 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 195-180-032-3
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 1815 CALLE ARROYO, DIABLO, CA 94528 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Feb 19, 2021 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Aug 27, 2020 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Jun 30, 2020 | Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 30, 2020 · Amount on Record |
| Deed Sale | Jun 30, 2020 · Amount on Record |
| Prior Sale | Mar 24, 2015 · Amount on Record |
| Deed Doc Number | 2020128505 |
| Prior Transfer Date | Oct 26, 1998 |
| Prior Transfer Doc | 0000272749 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1815 CALLE ARROYO, DIABLO, CA 94528 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Address | 1815 CALLE ARROYO, DIABLO, CA 94528 |
| Document Number | 0000051964 |
|---|---|
| Date | Feb 19, 2021 |
| Instrument | 2021-051964 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1815 CALLE ARROYO, DIABLO, CA 94528 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TTL CO PLEASANT |
| Name | Verified Name |
|---|---|
| Address | 1815 CALLE ARROYO, DIABLO, CA 94528 |
| Document Number | 0000184654 |
|---|---|
| Date | Aug 27, 2020 |
| Instrument | 2020-184654 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 30, 2020 |
| Property Address | 1815 CALLE ARROYO, DIABLO, CA 94528 |
| Document Number | 0000128505 |
| Map Reference | MB 30 PG 34 |
| Instrument Date | Jun 23, 2020 |
| Instrument | 2020-128505 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property (Marital Community) with Rights of Survivorship |
| Address | 1815 CALLE ARROYO, DIABLO, CA 94528 |
| Document Number | 0000128506 |
|---|---|
| Date | Jun 30, 2020 |
| Instrument | 2020-128506 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2050 |
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 | $2,342,585 (+2%) Land $1,450,172 Building $892,413 | |
| 2025 | $26,653.00 (+3.69%) | $2,296,653 (+4.04%) Land $1,421,738 Building $874,915 |
| 2023 | $25,705.00 (+0.81%) | $2,207,473 Land $1,366,531 Building $840,942 |
| 2022 | $25,499.00 |
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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